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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC vs.
Revision 1.337 by root, Tue Aug 21 00:54:01 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 3.3;	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 1.4 ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		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
26	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
27		44
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (2); # 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
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	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(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	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;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
		92	our %PLAYER; # all users
52	our %MAP; # all maps	93	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;	95
55	our $RANDOM_MAPS = cf::localdir . "/random";	96	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
57		102
58	binmode STDOUT;	103	binmode STDOUT;
59	binmode STDERR;	104	binmode STDERR;
60		105
61	# read virtual server time, if available	106	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
66	}	111	}
67		112
68	mkdir cf::localdir;	113	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		115
74	# a special map that is always available	116	our $EMERGENCY_POSITION;
75	our $LINK_MAP;	117
		118	sub cf::map::normalise;
76		119
77	#############################################################################	120	#############################################################################
78		121
79	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
80		123
…		…
87	=item $cf::RUNTIME	130	=item $cf::RUNTIME
88		131
89	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
90	every server tick.	133	every server tick.
91		134
92	=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
93		138
94	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
95	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.
96		143
97	=item $cf::NOW	144	=item $cf::NOW
98		145
99	The time of the last (current) server tick.	146	The time of the last (current) server tick.
100		147
101	=item $cf::TICK	148	=item $cf::TICK
102		149
103	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.
104		161
105	=item %cf::CFG	162	=item %cf::CFG
106		163
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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.
109		178
110	=back	179	=back
111		180
112	=cut	181	=cut
113		182
114	BEGIN {	183	BEGIN {
115	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	185	my $msg = join "", @_;
117	utf8::encode $msg;
118		186
119	$msg .= "\n"	187	$msg .= "\n"
120	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
121		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
123	};	194	};
124	}	195	}
125		196
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@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';
131	@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)
132		204
133	# 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
134	# within the Safe compartment.	206	# within the Safe compartment.
135	for my $pkg (qw(	207	for my $pkg (qw(
136	cf::global cf::attachable	208	cf::global cf::attachable
…		…
145		217
146	$Event::DIED = sub {	218	$Event::DIED = sub {
147	warn "error in event callback: @_";	219	warn "error in event callback: @_";
148	};	220	};
149		221
150	my %ext_pkg;	222	#############################################################################
151	my @exts;
152	my @hook;
153		223
154	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
155		225
156	=over 4	226	=over 4
157		227
158	=cut	228	=item dumpval $ref
159		229
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
161		250
162	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
163		252
164	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
165		254
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
174		256
175	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
176		258
177	=cut	259	=cut
178		260
179	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
181	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
		265
		266	=item cf::lock_wait $string
		267
		268	Wait until the given lock is available. See cf::lock_acquire.
		269
		270	=item my $lock = cf::lock_acquire $string
		271
		272	Wait until the given lock is available and then acquires it and returns
		273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		274	for example when the coroutine gets canceled), the lock is automatically
		275	returned.
		276
		277	Lock names should begin with a unique identifier (for example, cf::map::find
		278	uses map_find and cf::map::load uses map_load).
		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
		284	=cut
		285
		286	our %LOCK;
		287
		288	sub lock_wait($) {
		289	my ($key) = @_;
		290
		291	# wait for lock, if any
		292	while ($LOCK{$key}) {
		293	push @{ $LOCK{$key} }, $Coro::current;
		294	Coro::schedule;
		295	}
182	}	296	}
		297
		298	sub lock_acquire($) {
		299	my ($key) = @_;
		300
		301	# wait, to be sure we are not locked
		302	lock_wait $key;
		303
		304	$LOCK{$key} = [];
		305
		306	Coro::guard {
		307	# wake up all waiters, to be on the safe side
		308	$_->ready for @{ delete $LOCK{$key} };
		309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
		318	sub freeze_mainloop {
		319	return unless $TICK_WATCHER->is_active;
		320
		321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
		324	$TICK_WATCHER->stop;
		325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
		384	=item cf::async { BLOCK }
		385
		386	Currently the same as Coro::async_pool, meaning you cannot use
		387	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		388	thing you are allowed to do is call C<prio> on it.
		389
		390	=cut
		391
		392	BEGIN { *async = \&Coro::async_pool }
183		393
184	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
185		395
186	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
187	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
188	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
189		400
190	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
191	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
192	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
193	fast or be very important.	404	fast or be very important.
…		…
195	=cut	406	=cut
196		407
197	sub sync_job(&) {	408	sub sync_job(&) {
198	my ($job) = @_;	409	my ($job) = @_;
199		410
200	my $busy = 1;
201	my @res;
202
203	# TODO: use suspend/resume instead
204	local $FREEZE = 1;
205
206	my $coro = Coro::async {
207	@res = eval { $job->() };
208	warn $@ if $@;
209	undef $busy;
210	};
211
212	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
		414	# this is the main coro, too bad, we have to block
		415	# till the operation succeeds, freezing the server :/
		416
		417	# TODO: use suspend/resume instead
		418	# (but this is cancel-safe)
		419	my $freeze_guard = freeze_mainloop;
		420
		421	my $busy = 1;
		422	my @res;
		423
		424	(async {
		425	@res = eval { $job->() };
		426	warn $@ if $@;
		427	undef $busy;
213	$coro->prio (Coro::PRIO_MAX);	428	})->prio (Coro::PRIO_MAX);
		429
214	while ($busy) {	430	while ($busy) {
215	Coro::cede_notself;	431	Coro::cede or Event::one_event;
216	Event::one_event unless Coro::nready;
217	}	432	}
		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
		441	wantarray ? @res : $res[0]
218	} else {	442	} else {
219	$coro->join;	443	# we are in another coroutine, how wonderful, everything just works
		444
		445	$job->()
220	}	446	}
221
222	wantarray ? @res : $res[0]
223	}	447	}
224		448
225	=item $coro = cf::coro { BLOCK }	449	=item $coro = cf::async_ext { BLOCK }
226		450
227	Creates and returns a new coro. This coro is automcatially being canceled	451	Like async, but this coro is automatically being canceled when the
228	when the extension calling this is being unloaded.	452	extension calling this is being unloaded.
229		453
230	=cut	454	=cut
231		455
232	sub coro(&) {	456	sub async_ext(&) {
233	my $cb = shift;	457	my $cb = shift;
234		458
235	my $coro; $coro = async {	459	my $coro = &Coro::async ($cb);
236	eval {
237	$cb->();
238	};
239	warn $@ if $@;
240	};
241		460
242	$coro->on_destroy (sub {	461	$coro->on_destroy (sub {
243	delete $EXT_CORO{$coro+0};	462	delete $EXT_CORO{$coro+0};
244	});	463	});
245	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
246		465
247	$coro	466	$coro
248	}	467	}
249		468
250	sub write_runtime {	469	=item fork_call { }, $args
251	my $runtime = cf::localdir . "/runtime";
252		470
253	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
254	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
255		475
256	my $value = $cf::RUNTIME;	476	=cut
257	(aio_write $fh, 0, (length $value), $value, 0) <= 0
258	and return;
259		477
260	aio_fsync $fh	478	sub fork_call(&@) {
261	and return;	479	my ($cb, @args) = @_;
262		480
263	close $fh	481	# we seemingly have to make a local copy of the whole thing,
264	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
265		484
266	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
267	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
268		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
269	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
270	}	618	}
271		619
272	=back	620	=back
273		621
274	=cut	622	=cut
275
276	#############################################################################
277
278	package cf::path;
279
280	sub new {
281	my ($class, $path, $base) = @_;
282
283	my $self = bless { }, $class;
284
285	if ($path =~ s{^\?random/}{}) {
286	$self->{random} = cf::from_json $path;
287	} else {
288	if ($path =~ s{^~([^/]+)?}{}) {
289	$self->{user_rel} = 1;
290
291	if (defined $1) {
292	$self->{user} = $1;
293	} elsif ($base =~ m{^~([^/]+)/}) {
294	$self->{user} = $1;
295	} else {
296	warn "cannot resolve user-relative path without user <$path,$base>\n";
297	}
298	} elsif ($path =~ /^\//) {
299	# already absolute
300	} else {
301	$base =~ s{[^/]+/?$}{};
302	return $class->new ("$base/$path");
303	}
304
305	for ($path) {
306	redo if s{/\.?/}{/};
307	redo if s{/[^/]+/\.\./}{/};
308	}
309	}
310
311	$self->{path} = $path;
312
313	$self
314	}
315
316	# the name / primary key / in-game path
317	sub as_string {
318	my ($self) = @_;
319
320	$self->{user_rel} ? "~$self->{user}$self->{path}"
321	: $self->{random} ? "?random/$self->{path}"
322	: $self->{path}
323	}
324
325	# the displayed name, this is a one way mapping
326	sub visible_name {
327	my ($self) = @_;
328
329	$self->{random} ? "?random/$self->{random}{origin_map}+$self->{random}{origin_x}+$self->{random}{origin_y}/$self->{random}{dungeon_level}"
330	: $self->as_string
331	}
332
333	# escape the /'s in the path
334	sub _escaped_path {
335	# ∕ is U+2215
336	(my $path = $_[0]{path}) =~ s/\//∕/g;
337	$path
338	}
339
340	# the original (read-only) location
341	sub load_path {
342	my ($self) = @_;
343
344	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
345	}
346
347	# the temporary/swap location
348	sub save_path {
349	my ($self) = @_;
350
351	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
352	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, Digest::MD5::md5_hex $self->{path}
353	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
354	}
355
356	# the unique path, might be eq to save_path
357	sub uniq_path {
358	my ($self) = @_;
359
360	$self->{user_rel} || $self->{random}
361	? undef
362	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
363	}
364
365	# return random map parameters, or undef
366	sub random_map_params {
367	my ($self) = @_;
368
369	$self->{random}
370	}
371
372	# this is somewhat ugly, but style maps do need special treatment
373	sub is_style_map {
374	$_[0]{path} =~ m{^/styles/}
375	}
376
377	package cf;
378		623
379	#############################################################################	624	#############################################################################
380		625
381	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
382		627
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
386		631
387	In the following description, CLASS can be any of C<global>, C<object>	632	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	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	634	Crossfire TRT).
390		635
391	=over 4	636	=over 4
392		637
393	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
394		639
…		…
508	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
509	our @CB_MAP = ();	754	our @CB_MAP = ();
510		755
511	my %attachment;	756	my %attachment;
512		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
513	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
514	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
515		766
516	use sort 'stable';	767	use sort 'stable';
517		768
…		…
551	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
552		803
553	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
554	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
555	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
556	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
557		808
558	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
559	my $pkg = shift @arg;	810	my $pkg = shift @arg;
560		811
561	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
590	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
591	}	842	}
592		843
593	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
594	} else {	845	} else {
595	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
596	}	847	}
597		848
598	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
599	}	850	}
600		851
…		…
602	if (ref $_[0]) {	853	if (ref $_[0]) {
603	_object_attach @_;	854	_object_attach @_;
604	} else {	855	} else {
605	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
606	}	857	}
		858	_recalc_want;
607	};	859	};
608		860
609	# all those should be optimised	861	# all those should be optimised
610	sub cf::attachable::detach {	862	sub cf::attachable::detach {
611	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
614	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
615	reattach ($obj);	867	reattach ($obj);
616	} else {	868	} else {
617	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
618	}	870	}
		871	_recalc_want;
619	};	872	};
620		873
621	sub cf::attachable::attached {	874	sub cf::attachable::attached {
622	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
623		876
…		…
638	";	891	";
639	die if $@;	892	die if $@;
640	}	893	}
641		894
642	our $override;	895	our $override;
643	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
644		897
645	sub override {	898	sub override {
646	$override = 1;	899	$override = 1;
647	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
648	}	901	}
649		902
650	sub do_invoke {	903	sub do_invoke {
651	my $event = shift;	904	my $event = shift;
652	my $callbacks = shift;	905	my $callbacks = shift;
653		906
654	@invoke_results = ();	907	@INVOKE_RESULTS = ();
655		908
656	local $override;	909	local $override;
657		910
658	for (@$callbacks) {	911	for (@$callbacks) {
659	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
676		929
677	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
678		931
679	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
680	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
681	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
682		935
683	=back	936	=back
684		937
685	=cut	938	=cut
686		939
687	#############################################################################	940	#############################################################################
688	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
689		953
690	sub reattach {	954	sub reattach {
691	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
692	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
693		959
694	my $registry = $obj->registry;	960	my $registry = $obj->registry;
695		961
696	@$registry = ();	962	@$registry = ();
697		963
…		…
744	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
745		1011
746	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
747	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
748	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
749	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
750	close $fh;	1016	close $fh;
751		1017
752	if (@$objs) {	1018	if (@$objs) {
753	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
754	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
755	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
756	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
757	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1024	close $fh;
759	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
760	}	1026	}
761	} else {	1027	} else {
762	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
790	or return;	1056	or return;
791		1057
792	unless (aio_stat "$filename.pst") {	1058	unless (aio_stat "$filename.pst") {
793	(aio_load "$filename.pst", $av) >= 0	1059	(aio_load "$filename.pst", $av) >= 0
794	or return;	1060	or return;
795	$av = eval { (Storable::thaw <$av>)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
796	}	1062	}
797		1063
		1064	warn sprintf "loading %s (%d)\n",
		1065	$filename, length $data, scalar @{$av || []};
798	return ($data, $av);	1066	return ($data, $av);
799	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
800		1074
801	#############################################################################	1075	#############################################################################
802	# command handling &c	1076	# command handling &c
803		1077
804	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
817	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
818	}	1092	}
819		1093
820	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
821		1095
822	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
823		1101
824	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
825	called.	1103	called.
826		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
827	=cut	1116	=cut
828		1117
829	sub register_extcmd {	1118	sub register_extcmd {
830	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
831		1120
832	my $caller = caller;
833	#warn "registering extcmd '$name' to '$caller'";
834
835	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
836	}	1128	}
837		1129
838	cf::player->attach (	1130	cf::player->attach (
839	on_command => sub {	1131	on_command => sub {
840	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
849	cf::override;	1141	cf::override;
850	},	1142	},
851	on_extcmd => sub {	1143	on_extcmd => sub {
852	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
853		1145
854	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
855		1147
856	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
857	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
858	if (my %reply = $cb->[0]->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
859	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
860	}	1158	if $reply;
861	}	1159	}
862	} else {	1160	} else {
863	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
864	}	1162	}
865		1163
866	cf::override;	1164	cf::override;
867	},	1165	},
868	);	1166	);
869		1167
		1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
		1172	for my $path (<$LIBDIR/*.ext>) {
		1173	next unless -r $path;
		1174
		1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
		1232	}
		1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
		1238	};
		1239	}
		1240
		1241	#############################################################################
		1242
		1243	=back
		1244
		1245	=head2 CORE EXTENSIONS
		1246
		1247	Functions and methods that extend core crossfire objects.
		1248
		1249	=cut
		1250
		1251	package cf::player;
		1252
		1253	use Coro::AIO;
		1254
		1255	=head3 cf::player
		1256
		1257	=over 4
		1258
		1259	=item cf::player::find $login
		1260
		1261	Returns the given player object, loading it if necessary (might block).
		1262
		1263	=cut
		1264
		1265	sub playerdir($) {
		1266	"$PLAYERDIR/"
		1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1268	}
		1269
		1270	sub path($) {
		1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1272
		1273	(playerdir $login) . "/playerdata"
		1274	}
		1275
		1276	sub find_active($) {
		1277	$cf::PLAYER{$_[0]}
		1278	and $cf::PLAYER{$_[0]}->active
		1279	and $cf::PLAYER{$_[0]}
		1280	}
		1281
		1282	sub exists($) {
		1283	my ($login) = @_;
		1284
		1285	$cf::PLAYER{$login}
		1286	or cf::sync_job { !aio_stat path $login }
		1287	}
		1288
		1289	sub find($) {
		1290	return $cf::PLAYER{$_[0]} || do {
		1291	my $login = $_[0];
		1292
		1293	my $guard = cf::lock_acquire "user_find:$login";
		1294
		1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
		1303	my $pl = load_pl path $login
		1304	or return;
		1305	$cf::PLAYER{$login} = $pl
		1306	}
		1307	}
		1308	}
		1309
		1310	sub save($) {
		1311	my ($pl) = @_;
		1312
		1313	return if $pl->{deny_save};
		1314
		1315	my $path = path $pl;
		1316	my $guard = cf::lock_acquire "user_save:$path";
		1317
		1318	return if $pl->{deny_save};
		1319
		1320	aio_mkdir playerdir $pl, 0770;
		1321	$pl->{last_save} = $cf::RUNTIME;
		1322
		1323	$pl->save_pl ($path);
		1324	Coro::cede;
		1325	}
		1326
		1327	sub new($) {
		1328	my ($login) = @_;
		1329
		1330	my $self = create;
		1331
		1332	$self->ob->name ($login);
		1333	$self->{deny_save} = 1;
		1334
		1335	$cf::PLAYER{$login} = $self;
		1336
		1337	$self
		1338	}
		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
		1350	=item $pl->quit_character
		1351
		1352	Nukes the player without looking back. If logged in, the connection will
		1353	be destroyed. May block for a long time.
		1354
		1355	=cut
		1356
		1357	sub quit_character {
		1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
		1361
		1362	$pl->{deny_save} = 1;
		1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1364
		1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1366	$pl->deactivate;
		1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1368	$pl->ns->destroy if $pl->ns;
		1369
		1370	my $path = playerdir $pl;
		1371	my $temp = "$path~$cf::RUNTIME~deleting~";
		1372	aio_rename $path, $temp;
		1373	delete $cf::PLAYER{$pl->ob->name};
		1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
		1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
		1396	}
		1397
		1398	=item cf::player::list_logins
		1399
		1400	Returns am arrayref of all valid playernames in the system, can take a
		1401	while and may block, so not sync_job-capable, ever.
		1402
		1403	=cut
		1404
		1405	sub list_logins {
		1406	my $dirs = aio_readdir $PLAYERDIR
		1407	or return [];
		1408
		1409	my @logins;
		1410
		1411	for my $login (@$dirs) {
		1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1413	aio_read $fh, 0, 512, my $buf, 0 or next;
		1414	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1415
		1416	utf8::decode $login;
		1417	push @logins, $login;
		1418	}
		1419
		1420	\@logins
		1421	}
		1422
		1423	=item $player->maps
		1424
		1425	Returns an arrayref of map paths that are private for this
		1426	player. May block.
		1427
		1428	=cut
		1429
		1430	sub maps($) {
		1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
		1435	my $files = aio_readdir playerdir $pl
		1436	or return;
		1437
		1438	my @paths;
		1439
		1440	for (@$files) {
		1441	utf8::decode $_;
		1442	next if /\.(?:pl|pst)$/;
		1443	next unless /^$PATH_SEP/o;
		1444
		1445	push @paths, cf::map::normalise "~$pl/$_";
		1446	}
		1447
		1448	\@paths
		1449	}
		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
		1501	=item $player->ext_reply ($msgid, @msg)
		1502
		1503	Sends an ext reply to the player.
		1504
		1505	=cut
		1506
		1507	sub ext_reply($$@) {
		1508	my ($self, $id, @msg) = @_;
		1509
		1510	$self->ns->ext_reply ($id, @msg)
		1511	}
		1512
		1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		1520	my ($self, $type, @msg) = @_;
		1521
		1522	$self->ns->ext_msg ($type, @msg);
		1523	}
		1524
		1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
		1553
		1554	=back
		1555
		1556	=head3 cf::map
		1557
		1558	=over 4
		1559
		1560	=cut
		1561
		1562	package cf::map;
		1563
		1564	use Fcntl;
		1565	use Coro::AIO;
		1566
		1567	use overload
		1568	'""' => \&as_string,
		1569	fallback => 1;
		1570
		1571	our $MAX_RESET = 3600;
		1572	our $DEFAULT_RESET = 3000;
		1573
		1574	sub generate_random_map {
		1575	my ($self, $rmp) = @_;
		1576	# mit "rum" bekleckern, nicht
		1577	$self->_create_random_map (
		1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1581	$rmp->{exit_on_final_map},
		1582	$rmp->{xsize}, $rmp->{ysize},
		1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1585	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1586	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1588	(cf::region::find $rmp->{region}), $rmp->{custom}
		1589	)
		1590	}
		1591
		1592	=item cf::map->register ($regex, $prio)
		1593
		1594	Register a handler for the map path matching the given regex at the
		1595	givne priority (higher is better, built-in handlers have priority 0, the
		1596	default).
		1597
		1598	=cut
		1599
870	sub register {	1600	sub register {
		1601	my (undef, $regex, $prio) = @_;
		1602	my $pkg = caller;
		1603
		1604	no strict;
		1605	push @{"$pkg\::ISA"}, __PACKAGE__;
		1606
		1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1608	}
		1609
		1610	# also paths starting with '/'
		1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1612
		1613	sub thawer_merge {
871	my ($base, $pkg) = @_;	1614	my ($self, $merge) = @_;
872		1615
873	#TODO	1616	# we have to keep some variables in memory intact
874	}	1617	local $self->{path};
		1618	local $self->{load_path};
875		1619
876	sub load_extension {	1620	$self->SUPER::thawer_merge ($merge);
		1621	}
		1622
		1623	sub normalise {
877	my ($path) = @_;	1624	my ($path, $base) = @_;
878		1625
879	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1626	$path = "$path"; # make sure its a string
880	my $base = $1;
881	my $pkg = $1;
882	$pkg =~ s/[^[:word:]]/_/g;
883	$pkg = "ext::$pkg";
884		1627
885	warn "loading '$path' into '$pkg'\n";	1628	$path =~ s/\.map$//;
886		1629
887	open my $fh, "<:utf8", $path	1630	# map plan:
888	or die "$path: $!";	1631	#
		1632	# /! non-realised random map exit (special hack!)
		1633	# {... are special paths that are not being touched
		1634	# ?xxx/... are special absolute paths
		1635	# ?random/... random maps
		1636	# /... normal maps
		1637	# ~user/... per-player map of a specific user
889		1638
890	my $source =	1639	$path =~ s/$PATH_SEP/\//go;
891	"package $pkg; use strict; use utf8;\n"
892	. "#line 1 \"$path\"\n{\n"
893	. (do { local $/; <$fh> })
894	. "\n};\n1";
895		1640
896	eval $source	1641	# treat it as relative path if it starts with
897	or die $@ ? "$path: $@\n"	1642	# something that looks reasonable
898	: "extension disabled.\n";	1643	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1644	$base or Carp::carp "normalise called with relative path and no base: '$path'";
899		1645
900	push @exts, $pkg;	1646	$base =~ s{[^/]+/?$}{};
901	$ext_pkg{$base} = $pkg;	1647	$path = "$base/$path";
902
903	# no strict 'refs';
904	# @{"$pkg\::ISA"} = ext::;
905
906	register $base, $pkg;
907	}
908
909	sub unload_extension {
910	my ($pkg) = @_;
911
912	warn "removing extension $pkg\n";
913
914	# remove hooks
915	#TODO
916	# for my $idx (0 .. $#PLUGIN_EVENT) {
917	# delete $hook[$idx]{$pkg};
918	# }	1648	}
919		1649
920	# remove commands	1650	for ($path) {
921	for my $name (keys %COMMAND) {	1651	redo if s{//}{/};
922	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };	1652	redo if s{/\.?/}{/};
		1653	redo if s{/[^/]+/\.\./}{/};
		1654	}
923		1655
924	if (@cb) {	1656	$path
925	$COMMAND{$name} = \@cb;	1657	}
		1658
		1659	sub new_from_path {
		1660	my (undef, $path, $base) = @_;
		1661
		1662	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1663
		1664	$path = normalise $path, $base;
		1665
		1666	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1667	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1668	my $self = bless cf::map::new, $pkg;
		1669	$self->{path} = $path; $self->path ($path);
		1670	$self->init; # pass $1 etc.
		1671	return $self;
		1672	}
		1673	}
		1674
		1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1676	()
		1677	}
		1678
		1679	sub init {
		1680	my ($self) = @_;
		1681
		1682	$self
		1683	}
		1684
		1685	sub as_string {
		1686	my ($self) = @_;
		1687
		1688	"$self->{path}"
		1689	}
		1690
		1691	# the displayed name, this is a one way mapping
		1692	sub visible_name {
		1693	&as_string
		1694	}
		1695
		1696	# the original (read-only) location
		1697	sub load_path {
		1698	my ($self) = @_;
		1699
		1700	"$MAPDIR/$self->{path}.map"
		1701	}
		1702
		1703	# the temporary/swap location
		1704	sub save_path {
		1705	my ($self) = @_;
		1706
		1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1708	"$TMPDIR/$path.map"
		1709	}
		1710
		1711	# the unique path, undef == no special unique path
		1712	sub uniq_path {
		1713	my ($self) = @_;
		1714
		1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1716	"$UNIQUEDIR/$path"
		1717	}
		1718
		1719	# and all this just because we cannot iterate over
		1720	# all maps in C++...
		1721	sub change_all_map_light {
		1722	my ($change) = @_;
		1723
		1724	$_->change_map_light ($change)
		1725	for grep $_->outdoor, values %cf::MAP;
		1726	}
		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
		1736	sub unlink_save {
		1737	my ($self) = @_;
		1738
		1739	utf8::encode (my $save = $self->save_path);
		1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1741	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1742	}
		1743
		1744	sub load_header_from($) {
		1745	my ($self, $path) = @_;
		1746
		1747	utf8::encode $path;
		1748	#aio_open $path, O_RDONLY, 0
		1749	# or return;
		1750
		1751	$self->_load_header ($path)
		1752	or return;
		1753
		1754	$self->{load_path} = $path;
		1755
		1756	1
		1757	}
		1758
		1759	sub load_header_orig {
		1760	my ($self) = @_;
		1761
		1762	$self->load_header_from ($self->load_path)
		1763	}
		1764
		1765	sub load_header_temp {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->save_path)
		1769	}
		1770
		1771	sub prepare_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->last_access ((delete $self->{last_access})
		1775	|| $cf::RUNTIME); #d#
		1776	# safety
		1777	$self->{instantiate_time} = $cf::RUNTIME
		1778	if $self->{instantiate_time} > $cf::RUNTIME;
		1779	}
		1780
		1781	sub prepare_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->{load_original} = 1;
		1785	$self->{instantiate_time} = $cf::RUNTIME;
		1786	$self->last_access ($cf::RUNTIME);
		1787	$self->instantiate;
		1788	}
		1789
		1790	sub load_header {
		1791	my ($self) = @_;
		1792
		1793	if ($self->load_header_temp) {
		1794	$self->prepare_temp;
926	} else {	1795	} else {
927	delete $COMMAND{$name};	1796	$self->load_header_orig
928	}	1797	or return;
		1798	$self->prepare_orig;
		1799	}
		1800
		1801	$self->{deny_reset} = 1
		1802	if $self->no_reset;
		1803
		1804	$self->default_region (cf::region::find_by_path $self->{path})
		1805	unless $self->default_region;
		1806
929	}	1807	1
		1808	}
930		1809
931	# remove extcmds	1810	sub find;
932	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {	1811	sub find {
933	delete $EXTCMD{$name};	1812	my ($path, $origin) = @_;
		1813
		1814	$path = normalise $path, $origin && $origin->path;
		1815
		1816	cf::lock_wait "map_find:$path";
		1817
		1818	$cf::MAP{$path} || do {
		1819	my $guard = cf::lock_acquire "map_find:$path";
		1820	my $map = new_from_path cf::map $path
		1821	or return;
		1822
		1823	$map->{last_save} = $cf::RUNTIME;
		1824
		1825	$map->load_header
		1826	or return;
		1827
		1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1829	# doing this can freeze the server in a sync job, obviously
		1830	#$cf::WAIT_FOR_TICK->wait;
		1831	$map->reset;
		1832	undef $guard;
		1833	return find $path;
		1834	}
		1835
		1836	$cf::MAP{$path} = $map
		1837	}
		1838	}
		1839
		1840	sub pre_load { }
		1841	sub post_load { }
		1842
		1843	sub load {
		1844	my ($self) = @_;
		1845
		1846	local $self->{deny_reset} = 1; # loading can take a long time
		1847
		1848	my $path = $self->{path};
		1849
934	}	1850	{
		1851	my $guard = cf::lock_acquire "map_load:$path";
935		1852
936	if (my $cb = $pkg->can ("unload")) {	1853	return if $self->in_memory != cf::MAP_SWAPPED;
937	eval {	1854
938	$cb->($pkg);	1855	$self->in_memory (cf::MAP_LOADING);
		1856
		1857	$self->alloc;
		1858
		1859	$self->pre_load;
		1860	Coro::cede;
		1861
		1862	$self->_load_objects ($self->{load_path}, 1)
		1863	or return;
		1864
		1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1866	if delete $self->{load_original};
		1867
		1868	if (my $uniq = $self->uniq_path) {
		1869	utf8::encode $uniq;
		1870	if (aio_open $uniq, O_RDONLY, 0) {
		1871	$self->clear_unique_items;
		1872	$self->_load_objects ($uniq, 0);
939	1	1873	}
940	} or warn "$pkg unloaded, but with errors: $@";	1874	}
941	}
942		1875
943	Symbol::delete_package $pkg;	1876	Coro::cede;
944	}	1877	# now do the right thing for maps
		1878	$self->link_multipart_objects;
		1879	$self->difficulty ($self->estimate_difficulty)
		1880	unless $self->difficulty;
		1881	Coro::cede;
945		1882
946	sub load_extensions {	1883	unless ($self->{deny_activate}) {
947	for my $ext (<$LIBDIR/*.ext>) {	1884	$self->decay_objects;
948	next unless -r $ext;	1885	$self->fix_auto_apply;
949	eval {	1886	$self->update_buttons;
950	load_extension $ext;	1887	Coro::cede;
951	1	1888	$self->set_darkness_map;
952	} or warn "$ext not loaded: $@";	1889	Coro::cede;
953	}	1890	$self->activate;
954	}	1891	}
955		1892
956	#############################################################################	1893	$self->{last_save} = $cf::RUNTIME;
957	# load/save/clean perl data associated with a map	1894	$self->last_access ($cf::RUNTIME);
958		1895
959	*cf::mapsupport::on_clean = sub {	1896	$self->in_memory (cf::MAP_IN_MEMORY);
		1897	}
		1898
		1899	$self->post_load;
		1900	}
		1901
		1902	sub customise_for {
		1903	my ($self, $ob) = @_;
		1904
		1905	return find "~" . $ob->name . "/" . $self->{path}
		1906	if $self->per_player;
		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
		1911	$self
		1912	}
		1913
		1914	# find and load all maps in the 3x3 area around a map
		1915	sub load_neighbours {
960	my ($map) = @_;	1916	my ($map) = @_;
961		1917
962	my $path = $map->tmpname;	1918	my @neigh; # diagonal neighbours
963	defined $path or return;
964		1919
965	unlink "$path.pst";	1920	for (0 .. 3) {
966	};	1921	my $neigh = $map->tile_path ($_)
		1922	or next;
		1923	$neigh = find $neigh, $map
		1924	or next;
		1925	$neigh->load;
967		1926
968	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1927	push @neigh,
		1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1930	}
969		1931
970	#############################################################################	1932	for (grep defined $_->[0], @neigh) {
971	# load/save perl data associated with player->ob objects	1933	my ($path, $origin) = @$_;
972		1934	my $neigh = find $path, $origin
973	sub all_objects(@) {	1935	or next;
974	@_, map all_objects ($_->inv), @_	1936	$neigh->load;
		1937	}
975	}	1938	}
976		1939
977	# TODO: compatibility cruft, remove when no longer needed	1940	sub find_sync {
978	cf::player->attach (	1941	my ($path, $origin) = @_;
979	on_load => sub {
980	my ($pl, $path) = @_;
981		1942
982	for my $o (all_objects $pl->ob) {	1943	cf::sync_job { find $path, $origin }
983	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1944	}
984	$o->set_ob_key_value ("_perl_data");
985		1945
986	%$o = %{ Storable::thaw pack "H*", $value };	1946	sub do_load_sync {
		1947	my ($map) = @_;
		1948
		1949	cf::sync_job { $map->load };
		1950	}
		1951
		1952	our %MAP_PREFETCH;
		1953	our $MAP_PREFETCHER = undef;
		1954
		1955	sub find_async {
		1956	my ($path, $origin) = @_;
		1957
		1958	$path = normalise $path, $origin && $origin->{path};
		1959
		1960	if (my $map = $cf::MAP{$path}) {
		1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1962	}
		1963
		1964	undef $MAP_PREFETCH{$path};
		1965	$MAP_PREFETCHER ||= cf::async {
		1966	while (%MAP_PREFETCH) {
		1967	for my $path (keys %MAP_PREFETCH) {
		1968	if (my $map = find $path) {
		1969	$map->load;
		1970	}
		1971
		1972	delete $MAP_PREFETCH{$path};
987	}	1973	}
988	}	1974	}
		1975	undef $MAP_PREFETCHER;
		1976	};
		1977	$MAP_PREFETCHER->prio (6);
		1978
		1979	()
		1980	}
		1981
		1982	sub save {
		1983	my ($self) = @_;
		1984
		1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1986
		1987	$self->{last_save} = $cf::RUNTIME;
		1988
		1989	return unless $self->dirty;
		1990
		1991	my $save = $self->save_path; utf8::encode $save;
		1992	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1993
		1994	$self->{load_path} = $save;
		1995
		1996	return if $self->{deny_save};
		1997
		1998	local $self->{last_access} = $self->last_access;#d#
		1999
		2000	cf::async {
		2001	$_->contr->save for $self->players;
		2002	};
		2003
		2004	if ($uniq) {
		2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2007	} else {
		2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
989	},	2009	}
990	);	2010	}
991		2011
992	#############################################################################	2012	sub swap_out {
		2013	my ($self) = @_;
993		2014
994	=head2 CORE EXTENSIONS	2015	# save first because save cedes
		2016	$self->save;
995		2017
996	Functions and methods that extend core crossfire objects.	2018	my $lock = cf::lock_acquire "map_data:" . $self->path;
997		2019
998	=head3 cf::player	2020	return if $self->players;
		2021	return if $self->in_memory != cf::MAP_IN_MEMORY;
		2022	return if $self->{deny_save};
		2023
		2024	$self->clear;
		2025	$self->in_memory (cf::MAP_SWAPPED);
		2026	}
		2027
		2028	sub reset_at {
		2029	my ($self) = @_;
		2030
		2031	# TODO: safety, remove and allow resettable per-player maps
		2032	return 1e99 if $self->{deny_reset};
		2033
		2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2036
		2037	$time + $to
		2038	}
		2039
		2040	sub should_reset {
		2041	my ($self) = @_;
		2042
		2043	$self->reset_at <= $cf::RUNTIME
		2044	}
		2045
		2046	sub reset {
		2047	my ($self) = @_;
		2048
		2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2050
		2051	return if $self->players;
		2052
		2053	warn "resetting map ", $self->path;
		2054
		2055	$self->in_memory (cf::MAP_SWAPPED);
		2056
		2057	# need to save uniques path
		2058	unless ($self->{deny_save}) {
		2059	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2060
		2061	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2062	if $uniq;
		2063	}
		2064
		2065	delete $cf::MAP{$self->path};
		2066
		2067	$self->clear;
		2068
		2069	$_->clear_links_to ($self) for values %cf::MAP;
		2070
		2071	$self->unlink_save;
		2072	$self->destroy;
		2073	}
		2074
		2075	my $nuke_counter = "aaaa";
		2076
		2077	sub nuke {
		2078	my ($self) = @_;
		2079
		2080	delete $cf::MAP{$self->path};
		2081
		2082	$self->unlink_save;
		2083
		2084	bless $self, "cf::map";
		2085	delete $self->{deny_reset};
		2086	$self->{deny_save} = 1;
		2087	$self->reset_timeout (1);
		2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2089
		2090	$cf::MAP{$self->path} = $self;
		2091
		2092	$self->reset; # polite request, might not happen
		2093	}
		2094
		2095	=item $maps = cf::map::tmp_maps
		2096
		2097	Returns an arrayref with all map paths of currently instantiated and saved
		2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
		2103	[
		2104	map {
		2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
		2111	}
		2112
		2113	=item $maps = cf::map::random_maps
		2114
		2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
		2117
		2118	=cut
		2119
		2120	sub random_maps() {
		2121	[
		2122	map {
		2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
		2129	}
		2130
		2131	=item cf::map::unique_maps
		2132
		2133	Returns an arrayref of paths of all shared maps that have
		2134	instantiated unique items. May block.
		2135
		2136	=cut
		2137
		2138	sub unique_maps() {
		2139	[
		2140	map {
		2141	utf8::decode $_;
		2142	/\.map$/
		2143	? normalise $_
		2144	: ()
		2145	} @{ aio_readdir $UNIQUEDIR or [] }
		2146	]
		2147	}
		2148
		2149	package cf;
		2150
		2151	=back
		2152
		2153	=head3 cf::object
		2154
		2155	=cut
		2156
		2157	package cf::object;
999		2158
1000	=over 4	2159	=over 4
1001		2160
1002	=item cf::player::exists $login	2161	=item $ob->inv_recursive
1003		2162
1004	Returns true when the given account exists.	2163	Returns the inventory of the object _and_ their inventories, recursively.
1005		2164
1006	=cut	2165	=cut
1007		2166
1008	sub cf::player::exists($) {	2167	sub inv_recursive_;
1009	cf::player::find $_[0]	2168	sub inv_recursive_ {
1010	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	2169	map { $_, inv_recursive_ $_->inv } @_
1011	}	2170	}
1012		2171
1013	=item $player->ext_reply ($msgid, $msgtype, %msg)	2172	sub inv_recursive {
1014		2173	inv_recursive_ inv $_[0]
1015	Sends an ext reply to the player.
1016
1017	=cut
1018
1019	sub cf::player::ext_reply($$$%) {
1020	my ($self, $id, %msg) = @_;
1021
1022	$msg{msgid} = $id;
1023
1024	$self->send ("ext " . to_json \%msg);
1025	}	2174	}
		2175
		2176	package cf;
1026		2177
1027	=back	2178	=back
1028		2179
1029	=head3 cf::object::player	2180	=head3 cf::object::player
1030		2181
…		…
1046		2197
1047	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1048		2199
1049	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1050	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1051	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1052	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1053	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1054	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1055	}	2225	}
1056		2226
1057	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1058		2228
1059	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1068	(ref $cf::CFG{"may_$access"}	2238	(ref $cf::CFG{"may_$access"}
1069	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2239	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1070	: $cf::CFG{"may_$access"})	2240	: $cf::CFG{"may_$access"})
1071	}	2241	}
1072		2242
		2243	=item $player_object->enter_link
		2244
		2245	Freezes the player and moves him/her to a special map (C<{link}>).
		2246
		2247	The player should be reasonably safe there for short amounts of time. You
		2248	I<MUST> call C<leave_link> as soon as possible, though.
		2249
		2250	Will never block.
		2251
		2252	=item $player_object->leave_link ($map, $x, $y)
		2253
		2254	Moves the player out of the special C<{link}> map onto the specified
		2255	map. If the map is not valid (or omitted), the player will be moved back
		2256	to the location he/she was before the call to C<enter_link>, or, if that
		2257	fails, to the emergency map position.
		2258
		2259	Might block.
		2260
		2261	=cut
		2262
		2263	sub link_map {
		2264	unless ($LINK_MAP) {
		2265	$LINK_MAP = cf::map::find "{link}"
		2266	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2267	$LINK_MAP->load;
		2268	}
		2269
		2270	$LINK_MAP
		2271	}
		2272
		2273	sub cf::object::player::enter_link {
		2274	my ($self) = @_;
		2275
		2276	$self->deactivate_recursive;
		2277
		2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2279
		2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2281	if $self->map && $self->map->{path} ne "{link}";
		2282
		2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
		2284	}
		2285
		2286	sub cf::object::player::leave_link {
		2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
		2290
		2291	my $link_pos = delete $self->{_link_pos};
		2292
		2293	unless ($map) {
		2294	# restore original map position
		2295	($map, $x, $y) = @{ $link_pos || [] };
		2296	$map = cf::map::find $map;
		2297
		2298	unless ($map) {
		2299	($map, $x, $y) = @$EMERGENCY_POSITION;
		2300	$map = cf::map::find $map
		2301	or die "FATAL: cannot load emergency map\n";
		2302	}
		2303	}
		2304
		2305	($x, $y) = (-1, -1)
		2306	unless (defined $x) && (defined $y);
		2307
		2308	# use -1 or undef as default coordinates, not 0, 0
		2309	($x, $y) = ($map->enter_x, $map->enter_y)
		2310	if $x <=0 && $y <= 0;
		2311
		2312	$map->load;
		2313	$map->load_neighbours;
		2314
		2315	return unless $self->contr->active;
		2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2319	$self->enter_map ($map, $x, $y);
		2320	}
		2321
		2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
		2323
		2324	Moves the player to the given map-path and coordinates by first freezing
		2325	her, loading and preparing them map, calling the provided $check callback
		2326	that has to return the map if sucecssful, and then unfreezes the player on
		2327	the new (success) or old (failed) map position. In either case, $done will
		2328	be called at the end of this process.
		2329
		2330	=cut
		2331
		2332	our $GOTOGEN;
		2333
		2334	sub cf::object::player::goto {
		2335	my ($self, $path, $x, $y, $check, $done) = @_;
		2336
		2337	# do generation counting so two concurrent goto's will be executed in-order
		2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
		2339
		2340	$self->enter_link;
		2341
		2342	(async {
		2343	my $map = eval {
		2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
		2347	$map = $map->customise_for ($self);
		2348	$map = $check->($map) if $check && $map;
		2349	} else {
		2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
		2352
		2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
		2359	}
		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
		2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
		2367	})->prio (1);
		2368	}
		2369
		2370	=item $player_object->enter_exit ($exit_object)
		2371
		2372	=cut
		2373
		2374	sub parse_random_map_params {
		2375	my ($spec) = @_;
		2376
		2377	my $rmp = { # defaults
		2378	xsize => (cf::rndm 15, 40),
		2379	ysize => (cf::rndm 15, 40),
		2380	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2381	#layout => string,
		2382	};
		2383
		2384	for (split /\n/, $spec) {
		2385	my ($k, $v) = split /\s+/, $_, 2;
		2386
		2387	$rmp->{lc $k} = $v if (length $k) && (length $v);
		2388	}
		2389
		2390	$rmp
		2391	}
		2392
		2393	sub prepare_random_map {
		2394	my ($exit) = @_;
		2395
		2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2397
		2398	# all this does is basically replace the /! path by
		2399	# a new random map path (?random/...) with a seed
		2400	# that depends on the exit object
		2401
		2402	my $rmp = parse_random_map_params $exit->msg;
		2403
		2404	if ($exit->map) {
		2405	$rmp->{region} = $exit->region->name;
		2406	$rmp->{origin_map} = $exit->map->path;
		2407	$rmp->{origin_x} = $exit->x;
		2408	$rmp->{origin_y} = $exit->y;
		2409	}
		2410
		2411	$rmp->{random_seed} ||= $exit->random_seed;
		2412
		2413	my $data = cf::to_json $rmp;
		2414	my $md5 = Digest::MD5::md5_hex $data;
		2415	my $meta = "$RANDOMDIR/$md5.meta";
		2416
		2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		2418	aio_write $fh, 0, (length $data), $data, 0;
		2419	undef $fh;
		2420	aio_rename "$meta~", $meta;
		2421
		2422	$exit->slaying ("?random/$md5");
		2423	$exit->msg (undef);
		2424	}
		2425	}
		2426
		2427	sub cf::object::player::enter_exit {
		2428	my ($self, $exit) = @_;
		2429
		2430	return unless $self->type == cf::PLAYER;
		2431
		2432	if ($exit->slaying eq "/!") {
		2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2434	# the problem is that $exit might not survive long enough
		2435	# so it needs to be done right now, right here
		2436	cf::sync_job { prepare_random_map $exit };
		2437	}
		2438
		2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2440	my $hp = $exit->stats->hp;
		2441	my $sp = $exit->stats->sp;
		2442
		2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
		2448
		2449	(async {
		2450	$self->deactivate_recursive; # just to be sure
		2451	unless (eval {
		2452	$self->goto ($slaying, $hp, $sp);
		2453
		2454	1;
		2455	}) {
		2456	$self->message ("Something went wrong deep within the crossfire server. "
		2457	. "I'll try to bring you back to the map you were before. "
		2458	. "Please report this to the dungeon master!",
		2459	cf::NDI_UNIQUE | cf::NDI_RED);
		2460
		2461	warn "ERROR in enter_exit: $@";
		2462	$self->leave_link;
		2463	}
		2464	})->prio (1);
		2465	}
		2466
1073	=head3 cf::client	2467	=head3 cf::client
1074		2468
1075	=over 4	2469	=over 4
1076		2470
1077	=item $client->send_drawinfo ($text, $flags)	2471	=item $client->send_drawinfo ($text, $flags)
…		…
1083		2477
1084	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1085	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1086		2480
1087	utf8::encode $text;	2481	utf8::encode $text;
1088	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1089	}	2483	}
1090		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
		2547	=item $client->ext_msg ($type, @msg)
		2548
		2549	Sends an ext event to the client.
		2550
		2551	=cut
		2552
		2553	sub cf::client::ext_msg($$@) {
		2554	my ($self, $type, @msg) = @_;
		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
		2561	push @msg, msgtype => "event_$type";
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1091		2583
1092	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1093		2585
1094	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
1095	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1096	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1097		2589
1098	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1099	reliable at some point in the future.	2591	become reliable at some point in the future.
1100		2592
1101	=cut	2593	=cut
1102		2594
1103	sub cf::client::query {	2595	sub cf::client::query {
1104	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1112	utf8::encode $text;	2604	utf8::encode $text;
1113	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1114		2606
1115	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1116	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1117	}	2611	}
1118		2612
1119	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1120	on_reply => sub {	2619	on_reply => sub {
1121	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
1122		2621
1123	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
1124	# get handled first	2623	# get handled first
1125	my $queue = delete $ns->{query_queue};	2624	my $queue = delete $ns->{query_queue}
		2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
1126		2626
1127	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1128		2629
1129	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
1130		2631
1131	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
1132	if (@$queue) {	2633	if (@$queue) {
…		…
1134	} else {	2635	} else {
1135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1136	}	2637	}
1137	}	2638	}
1138	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
1139	);	2663	);
1140		2664
1141	=item $client->coro (\&cb)	2665	=item $client->async (\&cb)
1142		2666
1143	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
1144	be automatically cancelled when the client gets destroyed (e.g. on logout,	2668	be automatically cancelled when the client gets destroyed (e.g. on logout,
1145	or loss of connection).	2669	or loss of connection).
1146		2670
1147	=cut	2671	=cut
1148		2672
1149	sub cf::client::coro {	2673	sub cf::client::async {
1150	my ($self, $cb) = @_;	2674	my ($self, $cb) = @_;
1151		2675
1152	my $coro; $coro = async {	2676	my $coro = &Coro::async ($cb);
1153	eval {
1154	$cb->();
1155	};
1156	warn $@ if $@;
1157	};
1158		2677
1159	$coro->on_destroy (sub {	2678	$coro->on_destroy (sub {
1160	delete $self->{_coro}{$coro+0};	2679	delete $self->{_coro}{$coro+0};
1161	});	2680	});
1162		2681
…		…
1189	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
1190	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
1191		2710
1192	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
1193		2712
1194	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
1195		2718
1196	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
1197		2720
1198	=pod	2721	=pod
1199		2722
1200	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
1201		2724
1202	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
1203	cf::object::player player	2729	cf::object::player
1204	cf::player peaceful	2730	player
1205	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
1206		2737
1207	=cut	2738	=cut
1208		2739
1209	for (	2740	for (
1210	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
1211	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
1212	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
1213	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
1214	) {	2746	) {
1215	no strict 'refs';	2747	no strict 'refs';
…		…
1286	=back	2818	=back
1287		2819
1288	=cut	2820	=cut
1289		2821
1290	#############################################################################	2822	#############################################################################
		2823	# the server's init and main functions
1291		2824
1292	=head2 EXTENSION DATABASE SUPPORT	2825	sub load_facedata($) {
		2826	my ($path) = @_;
1293		2827
1294	Crossfire maintains a very simple database for extension use. It can	2828	my $enc = JSON::XS->new->utf8->canonical;
1295	currently store anything that can be serialised using Storable, which
1296	excludes objects.
1297		2829
1298	The parameter C<$family> should best start with the name of the extension	2830	warn "loading facedata from $path\n";
1299	using it, it should be unique.
1300		2831
1301	=over 4	2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
1302		2835
1303	=item $hashref = cf::db_get $family	2836	$facedata = Coro::Storable::thaw $facedata;
1304		2837
1305	Return a hashref for use by the extension C<$family>, which can be	2838	$facedata->{version} == 2
1306	modified. After modifications, you have to call C<cf::db_dirty> or	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
1307	C<cf::db_sync>.
1308		2840
1309	=item $value = cf::db_get $family => $key	2841	# patch in the exptable
1310		2842	$facedata->{resource}{"res/exp_table"} = {
1311	Returns a single value from the database	2843	type => FT_RSRC,
1312		2844	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1313	=item cf::db_put $family => $hashref
1314
1315	Stores the given family hashref into the database. Updates are delayed, if
1316	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1317
1318	=item cf::db_put $family => $key => $value
1319
1320	Stores the given C<$value> in the family hash. Updates are delayed, if you
1321	want the data to be synced to disk immediately, use C<cf::db_sync>.
1322
1323	=item cf::db_dirty
1324
1325	Marks the database as dirty, to be updated at a later time.
1326
1327	=item cf::db_sync
1328
1329	Immediately write the database to disk I<if it is dirty>.
1330
1331	=cut
1332
1333	our $DB;
1334
1335	{
1336	my $path = cf::localdir . "/database.pst";
1337
1338	sub db_load() {
1339	warn "loading database $path\n";#d# remove later
1340	$DB = stat $path ? Storable::retrieve $path : { };
1341	}
1342
1343	my $pid;
1344
1345	sub db_save() {
1346	warn "saving database $path\n";#d# remove later
1347	waitpid $pid, 0 if $pid;
1348	if (0 == ($pid = fork)) {
1349	$DB->{_meta}{version} = 1;
1350	Storable::nstore $DB, "$path~";
1351	rename "$path~", $path;
1352	cf::_exit 0 if defined $pid;
1353	}
1354	}
1355
1356	my $dirty;
1357
1358	sub db_sync() {
1359	db_save if $dirty;
1360	undef $dirty;
1361	}
1362
1363	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1364	db_sync;
1365	});	2845	};
		2846	cf::cede_to_tick;
1366		2847
1367	sub db_dirty() {
1368	$dirty = 1;
1369	$idle->start;
1370	}	2848	{
		2849	my $faces = $facedata->{faceinfo};
1371		2850
1372	sub db_get($;$) {	2851	while (my ($face, $info) = each %$faces) {
1373	@_ >= 2	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1374	? $DB->{$_[0]}{$_[1]}	2853	cf::face::set_visibility $idx, $info->{visibility};
1375	: ($DB->{$_[0]} ||= { })	2854	cf::face::set_magicmap $idx, $info->{magicmap};
1376	}	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1377		2857
1378	sub db_put($$;$) {	2858	cf::cede_to_tick;
1379	if (@_ >= 3) {
1380	$DB->{$_[0]}{$_[1]} = $_[2];
1381	} else {
1382	$DB->{$_[0]} = $_[1];
1383	}
1384	db_dirty;
1385	}
1386
1387	cf::global->attach (
1388	prio => 10000,
1389	on_cleanup => sub {
1390	db_sync;
1391	},	2859	}
1392	);
1393	}
1394		2860
1395	#############################################################################	2861	while (my ($face, $info) = each %$faces) {
1396	# the server's main()	2862	next unless $info->{smooth};
		2863	my $idx = cf::face::find $face
		2864	or next;
		2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
		2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2868	} else {
		2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2870	}
		2871
		2872	cf::cede_to_tick;
		2873	}
		2874	}
		2875
		2876	{
		2877	my $anims = $facedata->{animinfo};
		2878
		2879	while (my ($anim, $info) = each %$anims) {
		2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2881	cf::cede_to_tick;
		2882	}
		2883
		2884	cf::anim::invalidate_all; # d'oh
		2885	}
		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	} else {
		2908	$data = $info->{data};
		2909	}
		2910
		2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2912	cf::face::set_type $idx, $info->{type};
		2913
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	if ($soundconf) {
		2918	$soundconf = $enc->decode (delete $soundconf->{data});
		2919
		2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2921	my $sound = $soundconf->{compat}[$_]
		2922	or next;
		2923
		2924	my $face = cf::face::find "sound/$sound->[1]";
		2925	cf::sound::set $sound->[0] => $face;
		2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2927	}
		2928
		2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2930	my $face = cf::face::find "sound/$v";
		2931	cf::sound::set $k => $face;
		2932	}
		2933	}
		2934	}
		2935
		2936	1
		2937	}
		2938
		2939	register_exticmd fx_want => sub {
		2940	my ($ns, $want) = @_;
		2941
		2942	while (my ($k, $v) = each %$want) {
		2943	$ns->fx_want ($k, $v);
		2944	}
		2945	};
		2946
		2947	sub reload_regions {
		2948	load_resource_file "$MAPDIR/regions"
		2949	or die "unable to load regions file\n";
		2950
		2951	for (cf::region::list) {
		2952	$_->{match} = qr/$_->{match}/
		2953	if exists $_->{match};
		2954	}
		2955	}
		2956
		2957	sub reload_facedata {
		2958	load_facedata "$DATADIR/facedata"
		2959	or die "unable to load facedata\n";
		2960	}
		2961
		2962	sub reload_archetypes {
		2963	load_resource_file "$DATADIR/archetypes"
		2964	or die "unable to load archetypes\n";
		2965	#d# NEED to laod twice to resolve forward references
		2966	# this really needs to be done in an extra post-pass
		2967	# (which needs to be synchronous, so solve it differently)
		2968	load_resource_file "$DATADIR/archetypes"
		2969	or die "unable to load archetypes\n";
		2970	}
		2971
		2972	sub reload_treasures {
		2973	load_resource_file "$DATADIR/treasures"
		2974	or die "unable to load treasurelists\n";
		2975	}
		2976
		2977	sub reload_resources {
		2978	warn "reloading resource files...\n";
		2979
		2980	reload_regions;
		2981	reload_facedata;
		2982	#reload_archetypes;#d#
		2983	reload_archetypes;
		2984	reload_treasures;
		2985
		2986	warn "finished reloading resource files\n";
		2987	}
		2988
		2989	sub init {
		2990	reload_resources;
		2991	}
1397		2992
1398	sub cfg_load {	2993	sub cfg_load {
1399	open my $fh, "<:utf8", cf::confdir . "/config"	2994	open my $fh, "<:utf8", "$CONFDIR/config"
1400	or return;	2995	or return;
1401		2996
1402	local $/;	2997	local $/;
1403	*CFG = YAML::Syck::Load <$fh>;	2998	*CFG = YAML::Syck::Load <$fh>;
		2999
		3000	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3001
		3002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3004
		3005	if (exists $CFG{mlockall}) {
		3006	eval {
		3007	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3008	and die "WARNING: m(un)lockall failed: $!\n";
		3009	};
		3010	warn $@ if $@;
		3011	}
1404	}	3012	}
1405		3013
1406	sub main {	3014	sub main {
1407	# we must not ever block the main coroutine	3015	# we must not ever block the main coroutine
1408	local $Coro::idle = sub {	3016	local $Coro::idle = sub {
1409	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	3017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1410	(Coro::unblock_sub {	3018	(async {
1411	Event::one_event;	3019	Event::one_event;
1412	})->();	3020	})->prio (Coro::PRIO_MAX);
1413	};	3021	};
1414		3022
1415	cfg_load;	3023	cfg_load;
1416	db_load;	3024	db_init;
1417	load_extensions;	3025	load_extensions;
		3026
		3027	$TICK_WATCHER->start;
1418	Event::loop;	3028	Event::loop;
1419	}	3029	}
1420		3030
1421	#############################################################################	3031	#############################################################################
1422	# initialisation	3032	# initialisation and cleanup
1423		3033
1424	sub perl_reload() {	3034	# install some emergency cleanup handlers
		3035	BEGIN {
		3036	for my $signal (qw(INT HUP TERM)) {
		3037	Event->signal (
		3038	reentrant => 0,
		3039	data => WF_AUTOCANCEL,
		3040	signal => $signal,
		3041	prio => 0,
		3042	cb => sub {
		3043	cf::cleanup "SIG$signal";
		3044	},
		3045	);
		3046	}
		3047	}
		3048
		3049	sub write_runtime {
		3050	my $runtime = "$LOCALDIR/runtime";
		3051
		3052	# first touch the runtime file to show we are still running:
		3053	# the fsync below can take a very very long time.
		3054
		3055	IO::AIO::aio_utime $runtime, undef, undef;
		3056
		3057	my $guard = cf::lock_acquire "write_runtime";
		3058
		3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3060	or return;
		3061
		3062	my $value = $cf::RUNTIME + 90 + 10;
		3063	# 10 is the runtime save interval, for a monotonic clock
		3064	# 60 allows for the watchdog to kill the server.
		3065
		3066	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3067	and return;
		3068
		3069	# always fsync - this file is important
		3070	aio_fsync $fh
		3071	and return;
		3072
		3073	# touch it again to show we are up-to-date
		3074	aio_utime $fh, undef, undef;
		3075
		3076	close $fh
		3077	or return;
		3078
		3079	aio_rename "$runtime~", $runtime
		3080	and return;
		3081
		3082	warn "runtime file written.\n";
		3083
		3084	1
		3085	}
		3086
		3087	sub emergency_save() {
		3088	my $freeze_guard = cf::freeze_mainloop;
		3089
		3090	warn "enter emergency perl save\n";
		3091
		3092	cf::sync_job {
		3093	# use a peculiar iteration method to avoid tripping on perl
		3094	# refcount bugs in for. also avoids problems with players
		3095	# and maps saved/destroyed asynchronously.
		3096	warn "begin emergency player save\n";
		3097	for my $login (keys %cf::PLAYER) {
		3098	my $pl = $cf::PLAYER{$login} or next;
		3099	$pl->valid or next;
		3100	$pl->save;
		3101	}
		3102	warn "end emergency player save\n";
		3103
		3104	warn "begin emergency map save\n";
		3105	for my $path (keys %cf::MAP) {
		3106	my $map = $cf::MAP{$path} or next;
		3107	$map->valid or next;
		3108	$map->save;
		3109	}
		3110	warn "end emergency map save\n";
		3111
		3112	warn "begin emergency database checkpoint\n";
		3113	BDB::db_env_txn_checkpoint $DB_ENV;
		3114	warn "end emergency database checkpoint\n";
		3115	};
		3116
		3117	warn "leave emergency perl save\n";
		3118	}
		3119
		3120	sub post_cleanup {
		3121	my ($make_core) = @_;
		3122
		3123	warn Carp::longmess "post_cleanup backtrace"
		3124	if $make_core;
		3125	}
		3126
		3127	sub do_reload_perl() {
1425	# can/must only be called in main	3128	# can/must only be called in main
1426	if ($Coro::current != $Coro::main) {	3129	if ($Coro::current != $Coro::main) {
1427	warn "can only reload from main coroutine\n";	3130	warn "can only reload from main coroutine";
1428	return;	3131	return;
1429	}	3132	}
1430		3133
1431	warn "reloading...";	3134	warn "reloading...";
1432		3135
1433	local $FREEZE = 1;	3136	warn "entering sync_job";
		3137
		3138	cf::sync_job {
		3139	cf::write_runtime; # external watchdog should not bark
1434	cf::emergency_save;	3140	cf::emergency_save;
		3141	cf::write_runtime; # external watchdog should not bark
1435		3142
1436	eval {	3143	warn "syncing database to disk";
		3144	BDB::db_env_txn_checkpoint $DB_ENV;
		3145
1437	# if anything goes wrong in here, we should simply crash as we already saved	3146	# if anything goes wrong in here, we should simply crash as we already saved
1438		3147
1439	# cancel all watchers	3148	warn "cancelling all WF_AUTOCANCEL watchers";
1440	for (Event::all_watchers) {	3149	for (Event::all_watchers) {
1441	$_->cancel if $_->data & WF_AUTOCANCEL;	3150	$_->cancel if $_->data & WF_AUTOCANCEL;
1442	}	3151	}
1443		3152
		3153	warn "flushing outstanding aio requests";
		3154	for (;;) {
		3155	BDB::flush;
		3156	IO::AIO::flush;
		3157	Coro::cede;
		3158	last unless IO::AIO::nreqs || BDB::nreqs;
		3159	warn "iterate...";
		3160	}
		3161
		3162	++$RELOAD;
		3163
1444	# cancel all extension coros	3164	warn "cancelling all extension coros";
1445	$_->cancel for values %EXT_CORO;	3165	$_->cancel for values %EXT_CORO;
1446	%EXT_CORO = ();	3166	%EXT_CORO = ();
1447		3167
1448	# unload all extensions	3168	warn "removing commands";
1449	for (@exts) {	3169	%COMMAND = ();
		3170
		3171	warn "removing ext/exti commands";
		3172	%EXTCMD = ();
		3173	%EXTICMD = ();
		3174
		3175	warn "unloading/nuking all extensions";
		3176	for my $pkg (@EXTS) {
1450	warn "unloading <$_>";	3177	warn "... unloading $pkg";
1451	unload_extension $_;	3178
		3179	if (my $cb = $pkg->can ("unload")) {
		3180	eval {
		3181	$cb->($pkg);
		3182	1
		3183	} or warn "$pkg unloaded, but with errors: $@";
1452	}	3184	}
1453		3185
		3186	warn "... nuking $pkg";
		3187	Symbol::delete_package $pkg;
		3188	}
		3189
1454	# unload all modules loaded from $LIBDIR	3190	warn "unloading all perl modules loaded from $LIBDIR";
1455	while (my ($k, $v) = each %INC) {	3191	while (my ($k, $v) = each %INC) {
1456	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1457		3193
1458	warn "removing <$k>";	3194	warn "... unloading $k";
1459	delete $INC{$k};	3195	delete $INC{$k};
1460		3196
1461	$k =~ s/\.pm$//;	3197	$k =~ s/\.pm$//;
1462	$k =~ s/\//::/g;	3198	$k =~ s/\//::/g;
1463		3199
…		…
1466	}	3202	}
1467		3203
1468	Symbol::delete_package $k;	3204	Symbol::delete_package $k;
1469	}	3205	}
1470		3206
1471	# sync database to disk
1472	cf::db_sync;
1473	IO::AIO::flush;
1474
1475	# get rid of safe::, as good as possible	3207	warn "getting rid of safe::, as good as possible";
1476	Symbol::delete_package "safe::$_"	3208	Symbol::delete_package "safe::$_"
1477	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1478		3210
1479	# remove register_script_function callbacks
1480	# TODO
1481
1482	# unload cf.pm "a bit"	3211	warn "unloading cf.pm \"a bit\"";
1483	delete $INC{"cf.pm"};	3212	delete $INC{"cf.pm"};
		3213	delete $INC{"cf/pod.pm"};
1484		3214
1485	# don't, removes xs symbols, too,	3215	# don't, removes xs symbols, too,
1486	# and global variables created in xs	3216	# and global variables created in xs
1487	#Symbol::delete_package __PACKAGE__;	3217	#Symbol::delete_package __PACKAGE__;
1488		3218
1489	# reload cf.pm	3219	warn "unload completed, starting to reload now";
		3220
1490	warn "reloading cf.pm";	3221	warn "reloading cf.pm";
1491	require cf;	3222	require cf;
1492	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1493		3224
1494	# load config and database again	3225	warn "loading config and database again";
1495	cf::cfg_load;	3226	cf::cfg_load;
1496	cf::db_load;
1497		3227
1498	# load extensions
1499	warn "load extensions";	3228	warn "loading extensions";
1500	cf::load_extensions;	3229	cf::load_extensions;
1501		3230
1502	# reattach attachments to objects	3231	warn "reattaching attachments to objects/players";
1503	warn "reattach";	3232	_global_reattach; # objects, sockets
1504	_global_reattach;	3233	warn "reattaching attachments to maps";
1505	};	3234	reattach $_ for values %MAP;
		3235	warn "reattaching attachments to players";
		3236	reattach $_ for values %PLAYER;
1506		3237
1507	if ($@) {	3238	warn "leaving sync_job";
		3239
		3240	1
		3241	} or do {
1508	warn $@;	3242	warn $@;
1509	warn "error while reloading, exiting.";	3243	warn "error while reloading, exiting.";
1510	exit 1;	3244	exit 1;
1511	}	3245	};
1512		3246
1513	warn "reloaded successfully";	3247	warn "reloaded";
1514	};	3248	};
1515		3249
1516	#############################################################################	3250	our $RELOAD_WATCHER; # used only during reload
1517		3251
1518	unless ($LINK_MAP) {	3252	sub reload_perl() {
1519	$LINK_MAP = cf::map::new;	3253	# doing reload synchronously and two reloads happen back-to-back,
		3254	# coro crashes during coro_state_free->destroy here.
1520		3255
1521	$LINK_MAP->width (41);	3256	$RELOAD_WATCHER ||= Event->timer (
1522	$LINK_MAP->height (41);	3257	reentrant => 0,
1523	$LINK_MAP->alloc;	3258	after => 0,
1524	$LINK_MAP->path ("{link}");	3259	data => WF_AUTOCANCEL,
1525	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	3260	cb => sub {
1526	$LINK_MAP->in_memory (MAP_IN_MEMORY);	3261	do_reload_perl;
		3262	undef $RELOAD_WATCHER;
		3263	},
		3264	);
1527	}	3265	}
1528		3266
1529	register "<global>", __PACKAGE__;
1530
1531	register_command "perl-reload" => sub {	3267	register_command "reload" => sub {
1532	my ($who, $arg) = @_;	3268	my ($who, $arg) = @_;
1533		3269
1534	if ($who->flag (FLAG_WIZ)) {	3270	if ($who->flag (FLAG_WIZ)) {
1535	$who->message ("start of reload.");
1536	perl_reload;
1537	$who->message ("end of reload.");	3271	$who->message ("reloading server.");
		3272	async { reload_perl };
1538	}	3273	}
1539	};	3274	};
1540		3275
1541	unshift @INC, $LIBDIR;	3276	unshift @INC, $LIBDIR;
1542		3277
		3278	my $bug_warning = 0;
		3279
		3280	our @WAIT_FOR_TICK;
		3281	our @WAIT_FOR_TICK_BEGIN;
		3282
		3283	sub wait_for_tick {
		3284	return unless $TICK_WATCHER->is_active;
		3285	return if $Coro::current == $Coro::main;
		3286
		3287	my $signal = new Coro::Signal;
		3288	push @WAIT_FOR_TICK, $signal;
		3289	$signal->wait;
		3290	}
		3291
		3292	sub wait_for_tick_begin {
		3293	return unless $TICK_WATCHER->is_active;
		3294	return if $Coro::current == $Coro::main;
		3295
		3296	my $signal = new Coro::Signal;
		3297	push @WAIT_FOR_TICK_BEGIN, $signal;
		3298	$signal->wait;
		3299	}
		3300
		3301	my $min = 1e6;#d#
		3302	my $avg = 10;
1543	$TICK_WATCHER = Event->timer (	3303	$TICK_WATCHER = Event->timer (
1544	reentrant => 0,	3304	reentrant => 0,
		3305	parked => 1,
1545	prio => 0,	3306	prio => 0,
1546	at => $NEXT_TICK || $TICK,	3307	at => $NEXT_TICK || $TICK,
1547	data => WF_AUTOCANCEL,	3308	data => WF_AUTOCANCEL,
1548	cb => sub {	3309	cb => sub {
1549	unless ($FREEZE) {	3310	if ($Coro::current != $Coro::main) {
		3311	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3312	unless ++$bug_warning > 10;
		3313	return;
		3314	}
		3315
		3316	$NOW = $tick_start = Event::time;
		3317
1550	cf::server_tick; # one server iteration	3318	cf::server_tick; # one server iteration
1551	$RUNTIME += $TICK;	3319
		3320	0 && sync_job {#d#
		3321	for(1..10) {
		3322	my $t = Event::time;
		3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3324	or die;
		3325
		3326	$map->width (50);
		3327	$map->height (50);
		3328	$map->alloc;
		3329	$map->_load_objects ("/tmp/x.map", 1);
		3330	my $t = Event::time - $t;
		3331
		3332	#next unless $t < 0.0013;#d#
		3333	if ($t < $min) {
		3334	$min = $t;
		3335	}
		3336	$avg = $avg * 0.99 + $t * 0.01;
		3337	}
		3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3339	exit 0;
		3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
1552	}	3341	};
1553		3342
		3343	$RUNTIME += $TICK;
1554	$NEXT_TICK += $TICK;	3344	$NEXT_TICK += $TICK;
1555		3345
		3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3348	Coro::async_pool {
		3349	write_runtime
		3350	or warn "ERROR: unable to write runtime file: $!";
		3351	};
		3352	}
		3353
		3354	# my $AFTER = Event::time;
		3355	# warn $AFTER - $NOW;#d#
		3356
		3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3358	$sig->send;
		3359	}
		3360	while (my $sig = shift @WAIT_FOR_TICK) {
		3361	$sig->send;
		3362	}
		3363
		3364	$NOW = Event::time;
		3365
1556	# if we are delayed by four ticks or more, skip them all	3366	# if we are delayed by four ticks or more, skip them all
1557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
1558		3368
1559	$TICK_WATCHER->at ($NEXT_TICK);	3369	$TICK_WATCHER->at ($NEXT_TICK);
1560	$TICK_WATCHER->start;	3370	$TICK_WATCHER->start;
		3371
		3372	$LOAD = ($NOW - $tick_start) / $TICK;
		3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3374
		3375	_post_tick;
		3376
		3377
1561	},	3378	},
1562	);	3379	);
1563		3380
		3381	{
1564	IO::AIO::max_poll_time $TICK * 0.2;	3382	BDB::max_poll_time $TICK * 0.1;
1565		3383	$BDB_POLL_WATCHER = Event->io (
1566	Event->io (	3384	reentrant => 0,
1567	fd => IO::AIO::poll_fileno,	3385	fd => BDB::poll_fileno,
1568	poll => 'r',	3386	poll => 'r',
1569	prio => 5,	3387	prio => 0,
1570	data => WF_AUTOCANCEL,
1571	cb => \&IO::AIO::poll_cb,
1572	);
1573
1574	Event->timer (
1575	data => WF_AUTOCANCEL,	3388	data => WF_AUTOCANCEL,
1576	after => 0,	3389	cb => \&BDB::poll_cb,
1577	interval => 10,	3390	);
1578	cb => sub {	3391	BDB::min_parallel 8;
1579	(Coro::unblock_sub {	3392
1580	write_runtime	3393	BDB::set_sync_prepare {
1581	or warn "ERROR: unable to write runtime file: $!";	3394	my $status;
		3395	my $current = $Coro::current;
		3396	(
		3397	sub {
		3398	$status = $!;
		3399	$current->ready; undef $current;
		3400	},
		3401	sub {
		3402	Coro::schedule while defined $current;
		3403	$! = $status;
		3404	},
		3405	)
		3406	};
		3407
		3408	unless ($DB_ENV) {
		3409	$DB_ENV = BDB::db_env_create;
		3410
		3411	cf::sync_job {
		3412	eval {
		3413	BDB::db_env_open
		3414	$DB_ENV,
		3415	$BDBDIR,
		3416	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3418	0666;
		3419
		3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3421
		3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3423	$DB_ENV->set_lk_detect;
		3424	};
		3425
		3426	cf::cleanup "db_env_open(db): $@" if $@;
1582	})->();	3427	};
1583	},	3428	}
1584	);	3429	}
		3430
		3431	{
		3432	IO::AIO::min_parallel 8;
		3433
		3434	undef $Coro::AIO::WATCHER;
		3435	IO::AIO::max_poll_time $TICK * 0.1;
		3436	$AIO_POLL_WATCHER = Event->io (
		3437	reentrant => 0,
		3438	data => WF_AUTOCANCEL,
		3439	fd => IO::AIO::poll_fileno,
		3440	poll => 'r',
		3441	prio => 6,
		3442	cb => \&IO::AIO::poll_cb,
		3443	);
		3444	}
		3445
		3446	my $_log_backtrace;
		3447
		3448	sub _log_backtrace {
		3449	my ($msg, @addr) = @_;
		3450
		3451	$msg =~ s/\n//;
		3452
		3453	# limit the # of concurrent backtraces
		3454	if ($_log_backtrace < 2) {
		3455	++$_log_backtrace;
		3456	async {
		3457	my @bt = fork_call {
		3458	@addr = map { sprintf "%x", $_ } @addr;
		3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3460	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3461	or die "addr2line: $!";
		3462
		3463	my @funcs;
		3464	my @res = <$fh>;
		3465	chomp for @res;
		3466	while (@res) {
		3467	my ($func, $line) = splice @res, 0, 2, ();
		3468	push @funcs, "[$func] $line";
		3469	}
		3470
		3471	@funcs
		3472	};
		3473
		3474	LOG llevInfo, "[ABT] $msg\n";
		3475	LOG llevInfo, "[ABT] $_\n" for @bt;
		3476	--$_log_backtrace;
		3477	};
		3478	} else {
		3479	LOG llevInfo, "[ABT] $msg\n";
		3480	LOG llevInfo, "[ABT] [suppressed]\n";
		3481	}
		3482	}
		3483
		3484	# load additional modules
		3485	use cf::pod;
		3486
		3487	END { cf::emergency_save }
1585		3488
1586	1	3489	1
1587		3490

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