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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.351 by root, Sun Sep 2 00:57:38 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 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
232		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
236		290
…		…
256	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
258	}	312	}
259	}	313	}
260		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
261	sub freeze_mainloop {	321	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
263		323
264	my $guard = Coro::guard {	324	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	326	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
270	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
271	}	385	}
272		386
273	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
274		388
275	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		394
281	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
282		396
283	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
284		398
285	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
288		403
289	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
292	fast or be very important.	407	fast or be very important.
…		…
295		410
296	sub sync_job(&) {	411	sub sync_job(&) {
297	my ($job) = @_;	412	my ($job) = @_;
298		413
299	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
300	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
302		419
303	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
315		432
316	while ($busy) {	433	while ($busy) {
317	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
318	}	435	}
319		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
320	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
321	} else {	445	} else {
322	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
323		447
324	$job->()	448	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
344		468
345	$coro	469	$coro
346	}	470	}
347		471
348	sub write_runtime {	472	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		473
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
352	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
353		478
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		480
358	aio_fsync $fh	481	sub fork_call(&@) {
359	and return;	482	my ($cb, @args) = @_;
360		483
361	close $fh	484	# we seemingly have to make a local copy of the whole thing,
362	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
363		487
364	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
365	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
366		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
367	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	621	}
369		622
370	=back	623	=back
371		624
372	=cut	625	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
381		634
382	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	637	Crossfire TRT).
385		638
386	=over 4	639	=over 4
387		640
388	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
389		642
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	757	our @CB_MAP = ();
505		758
506	my %attachment;	759	my %attachment;
507		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
508	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
510		769
511	use sort 'stable';	770	use sort 'stable';
512		771
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
547		806
548	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		811
553	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	813	my $pkg = shift @arg;
555		814
556	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
586	}	845	}
587		846
588	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
589	} else {	848	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	850	}
592		851
593	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
594	}	853	}
595		854
…		…
597	if (ref $_[0]) {	856	if (ref $_[0]) {
598	_object_attach @_;	857	_object_attach @_;
599	} else {	858	} else {
600	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
601	}	860	}
		861	_recalc_want;
602	};	862	};
603		863
604	# all those should be optimised	864	# all those should be optimised
605	sub cf::attachable::detach {	865	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
610	reattach ($obj);	870	reattach ($obj);
611	} else {	871	} else {
612	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
613	}	873	}
		874	_recalc_want;
614	};	875	};
615		876
616	sub cf::attachable::attached {	877	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
618		879
…		…
633	";	894	";
634	die if $@;	895	die if $@;
635	}	896	}
636		897
637	our $override;	898	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		900
640	sub override {	901	sub override {
641	$override = 1;	902	$override = 1;
642	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
643	}	904	}
644		905
645	sub do_invoke {	906	sub do_invoke {
646	my $event = shift;	907	my $event = shift;
647	my $callbacks = shift;	908	my $callbacks = shift;
648		909
649	@invoke_results = ();	910	@INVOKE_RESULTS = ();
650		911
651	local $override;	912	local $override;
652		913
653	for (@$callbacks) {	914	for (@$callbacks) {
654	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
671		932
672	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
673		934
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		938
678	=back	939	=back
679		940
680	=cut	941	=cut
681		942
682	#############################################################################	943	#############################################################################
683	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
684		956
685	sub reattach {	957	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	959	my ($obj) = @_;
688		960
…		…
741	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
742		1014
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1019	close $fh;
748		1020
749	if (@$objs) {	1021	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1027	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
757	}	1029	}
758	} else {	1030	} else {
759	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
791	or return;	1063	or return;
792	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
793	}	1065	}
794		1066
795	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
797	return ($data, $av);	1069	return ($data, $av);
798	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
799		1077
800	#############################################################################	1078	#############################################################################
801	# command handling &c	1079	# command handling &c
802		1080
803	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1095	}
818		1096
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1098
821	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
822		1104
823	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
824	called.	1106	called.
825		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
826	=cut	1119	=cut
827		1120
828	sub register_extcmd {	1121	sub register_extcmd {
829	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
830		1123
831	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
832	}	1131	}
833		1132
834	cf::player->attach (	1133	cf::player->attach (
835	on_command => sub {	1134	on_command => sub {
836	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1144	cf::override;
846	},	1145	},
847	on_extcmd => sub {	1146	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
849		1148
850	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1150
852	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
858	} else {	1166	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1168	}
861		1169
862	cf::override;	1170	cf::override;
863	},	1171	},
864	);	1172	);
865		1173
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
901	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1179	next unless -r $path;
903	eval {	1180
904	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
905	1	1238	}
906	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
907	}	1244	};
908	}	1245	}
909		1246
910	#############################################################################	1247	#############################################################################
911		1248
		1249	=back
		1250
912	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
913		1252
914	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
915		1254
916	=cut	1255	=cut
…		…
928	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
929		1268
930	=cut	1269	=cut
931		1270
932	sub playerdir($) {	1271	sub playerdir($) {
933	cf::localdir	1272	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1274	}
939		1275
940	sub path($) {	1276	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1278
943	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
944	}	1280	}
945		1281
946	sub find_active($) {	1282	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
951		1287
952	sub exists($) {	1288	sub exists($) {
953	my ($login) = @_;	1289	my ($login) = @_;
954		1290
955	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
957	}	1293	}
958		1294
959	sub find($) {	1295	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1297	my $login = $_[0];
962		1298
963	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
964		1300
965	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
966	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
967	or return;	1310	or return;
968	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
969	}	1312	}
970	}	1313	}
…		…
982		1325
983	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
985		1328
986	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
987	Coro::cede;	1330	cf::cede_to_tick;
988	}	1331	}
989		1332
990	sub new($) {	1333	sub new($) {
991	my ($login) = @_;	1334	my ($login) = @_;
992		1335
…		…
998	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
999		1342
1000	$self	1343	$self
1001	}	1344	}
1002		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1003	=item $pl->quit_character	1356	=item $pl->quit_character
1004		1357
1005	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1007		1360
1008	=cut	1361	=cut
1009		1362
1010	sub quit_character {	1363	sub quit_character {
1011	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1012		1367
1013	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1370
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1026	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1027	}	1402	}
1028		1403
1029	=item cf::player::list_logins	1404	=item cf::player::list_logins
1030		1405
1031	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1033		1408
1034	=cut	1409	=cut
1035		1410
1036	sub list_logins {	1411	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1413	or return [];
1039		1414
1040	my @logins;	1415	my @logins;
1041		1416
1042	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1059	=cut	1434	=cut
1060		1435
1061	sub maps($) {	1436	sub maps($) {
1062	my ($pl) = @_;	1437	my ($pl) = @_;
1063		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
1064	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1065	or return;	1442	or return;
1066		1443
1067	my @paths;	1444	my @paths;
1068		1445
1069	for (@$files) {	1446	for (@$files) {
1070	utf8::decode $_;	1447	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1073		1450
1074	s/\.map$//;	1451	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1452	}
1077		1453
1078	\@paths	1454	\@paths
1079	}	1455	}
1080		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1082		1508
1083	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1084		1510
1085	=cut	1511	=cut
1086		1512
1087	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1089		1515
1090	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1517	}
1094		1518
1095	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1096		1559
1097	=back	1560	=back
1098
1099		1561
1100	=head3 cf::map	1562	=head3 cf::map
1101		1563
1102	=over 4	1564	=over 4
1103		1565
…		…
1107		1569
1108	use Fcntl;	1570	use Fcntl;
1109	use Coro::AIO;	1571	use Coro::AIO;
1110		1572
1111	use overload	1573	use overload
1112	'""' => \&as_string;	1574	'""' => \&as_string,
		1575	fallback => 1;
1113		1576
1114	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1116		1579
1117	sub generate_random_map {	1580	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1583	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1595	)
1134	}	1596	}
1135		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
1136	sub register {	1606	sub register {
1137	my (undef, $regex) = @_;	1607	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1608	my $pkg = caller;
1139		1609
1140	no strict;	1610	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1611	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1612
1143	$EXT_MAP{$pkg} = qr<$regex>;	1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1614	}
1145		1615
1146	# also paths starting with '/'	1616	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
1148		1628
1149	sub normalise {	1629	sub normalise {
1150	my ($path, $base) = @_;	1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
1151		1635
1152	# map plan:	1636	# map plan:
1153	#	1637	#
1154	# /! non-realised random map exit (special hack!)	1638	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1639	# {... are special paths that are not being touched
…		…
1183		1667
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1669
1186	$path = normalise $path, $base;	1670	$path = normalise $path, $base;
1187		1671
1188	for my $pkg (keys %EXT_MAP) {	1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1674	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1675	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1193	return $self;	1677	return $self;
1194	}	1678	}
1195	}	1679	}
1196		1680
1197	Carp::carp "unable to resolve path '$path'.";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1682	()
1199	}	1683	}
1200		1684
1201	sub init {	1685	sub init {
1202	my ($self) = @_;	1686	my ($self) = @_;
…		…
1217		1701
1218	# the original (read-only) location	1702	# the original (read-only) location
1219	sub load_path {	1703	sub load_path {
1220	my ($self) = @_;	1704	my ($self) = @_;
1221		1705
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1223	}	1707	}
1224		1708
1225	# the temporary/swap location	1709	# the temporary/swap location
1226	sub save_path {	1710	sub save_path {
1227	my ($self) = @_;	1711	my ($self) = @_;
1228		1712
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1231	}	1715	}
1232		1716
1233	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1234	sub uniq_path {	1718	sub uniq_path {
1235	my ($self) = @_;	1719	my ($self) = @_;
1236		1720
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1239	}	1723	}
1240		1724
1241	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1242	# all maps in C++...	1726	# all maps in C++...
1243	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1245		1729
1246	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1248	}	1732	}
1249		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1250	sub unlink_save {	1742	sub unlink_save {
1251	my ($self) = @_;	1743	my ($self) = @_;
1252		1744
1253	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1748	}
1257		1749
1258	sub load_header_from($) {	1750	sub load_header_from($) {
1259	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1260		1752
1261	utf8::encode $path;	1753	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
1263	or return;	1755	# or return;
1264		1756
1265	$self->_load_header ($path)	1757	$self->_load_header ($path)
1266	or return;	1758	or return;
1267		1759
1268	$self->{load_path} = $path;	1760	$self->{load_path} = $path;
1269		1761
1270	1	1762	1
1271	}	1763	}
1272		1764
1273	sub load_orig {	1765	sub load_header_orig {
1274	my ($self) = @_;	1766	my ($self) = @_;
1275		1767
1276	$self->load_header_from ($self->load_path)	1768	$self->load_header_from ($self->load_path)
1277	}	1769	}
1278		1770
1279	sub load_temp {	1771	sub load_header_temp {
1280	my ($self) = @_;	1772	my ($self) = @_;
1281		1773
1282	$self->load_header_from ($self->save_path)	1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
1283	}	1794	}
1284		1795
1285	sub load_header {	1796	sub load_header {
1286	my ($self) = @_;	1797	my ($self) = @_;
1287		1798
1288	if ($self->load_temp) {	1799	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1800	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1801	} else {
1295	$self->load_orig	1802	$self->load_header_orig
1296	or return;	1803	or return;
1297		1804	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1805	}
		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
1303		1812
1304	1	1813	1
1305	}	1814	}
1306		1815
1307	sub find;	1816	sub find;
…		…
1320	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1321		1830
1322	$map->load_header	1831	$map->load_header
1323	or return;	1832	or return;
1324		1833
1325	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1326	$map->reset;	1837	$map->reset;
1327	undef $guard;	1838	undef $guard;
1328	$map = find $path	1839	return find $path;
1329	or return;
1330	}	1840	}
1331		1841
1332	$cf::MAP{$path} = $map	1842	$cf::MAP{$path} = $map
1333	}	1843	}
1334	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1335		1848
1336	sub load {	1849	sub load {
1337	my ($self) = @_;	1850	my ($self) = @_;
1338		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1339	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1340	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1341		1859
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1343		1861
1344	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1345		1863
1346	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1347	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1348	or return;	1870	or return;
1349		1871
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	1873	if delete $self->{load_original};
1352		1874
1353	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	1876	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1356	$self->clear_unique_items;	1878	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1358	}	1880	}
1359	}	1881	}
1360		1882
1361	Coro::cede;	1883	cf::cede_to_tick;
1362
1363	# now do the right thing for maps	1884	# now do the right thing for maps
1364	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1887	unless $self->difficulty;
1374	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1375	$self->activate;	1897	$self->activate;
1376	}	1898	}
1377		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
		1904	}
		1905
		1906	$self->post_load;
1379	}	1907	}
1380		1908
1381	sub customise_for {	1909	sub customise_for {
1382	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1383		1911
1384	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1913	if $self->per_player;
1386		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1387	$self	1918	$self
1388	}	1919	}
1389		1920
1390	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	1922	sub load_neighbours {
1392	my ($map) = @_;	1923	my ($map) = @_;
1393		1924
1394	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1395		1926
1396	for (0 .. 3) {	1927	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1398	or next;	1929	or next;
1399	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1400	or next;	1931	or next;
1401	$neigh->load;	1932	$neigh->load;
1402		1933
		1934	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	1937	}
1406		1938
1407	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1409	or next;	1942	or next;
1410	$neigh->load;	1943	$neigh->load;
1411	}	1944	}
1412	}	1945	}
1413		1946
…		…
1418	}	1951	}
1419		1952
1420	sub do_load_sync {	1953	sub do_load_sync {
1421	my ($map) = @_;	1954	my ($map) = @_;
1422		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1423	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1424	}	1960	}
1425		1961
1426	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	1963	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		1964
1440	sub find_async {	1965	sub find_async {
1441	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1442		1967
1443	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1444		1969
1445	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1972	}
		1973
		1974	$MAP_PREFETCH{$path} |= $load;
		1975
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	while (my ($k, $v) = each %MAP_PREFETCH) {
		1979	if (my $map = find $k) {
		1980	$map->load if $v;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$k};
		1984	}
		1985	}
		1986	undef $MAP_PREFETCHER;
1447	}	1987	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1451		1989
1452	()	1990	()
1453	}	1991	}
1454		1992
1455	sub save {	1993	sub save {
1456	my ($self) = @_;	1994	my ($self) = @_;
1457		1995
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		1997
1460	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1461		1999
1462	return unless $self->dirty;	2000	return unless $self->dirty;
1463		2001
…		…
1486	my ($self) = @_;	2024	my ($self) = @_;
1487		2025
1488	# save first because save cedes	2026	# save first because save cedes
1489	$self->save;	2027	$self->save;
1490		2028
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2030
1493	return if $self->players;	2031	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};	2033	return if $self->{deny_save};
1496		2034
…		…
1500		2038
1501	sub reset_at {	2039	sub reset_at {
1502	my ($self) = @_;	2040	my ($self) = @_;
1503		2041
1504	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1507		2044
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2047
…		…
1515	my ($self) = @_;	2052	my ($self) = @_;
1516		2053
1517	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1518	}	2055	}
1519		2056
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2057	sub reset {
1535	my ($self) = @_;	2058	my ($self) = @_;
1536		2059
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2061
1539	return if $self->players;	2062	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2063
1542	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1543		2075
1544	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1545		2077
1546	$self->in_memory (cf::MAP_SWAPPED);
1547	$self->clear;	2078	$self->clear;
1548		2079
1549	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1550		2081
1551	$self->unlink_save;	2082	$self->unlink_save;
…		…
1555	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1556		2087
1557	sub nuke {	2088	sub nuke {
1558	my ($self) = @_;	2089	my ($self) = @_;
1559		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
		2094	delete $cf::MAP{$self->path};
		2095
		2096	$self->unlink_save;
		2097
		2098	bless $self, "cf::map";
		2099	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2100	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2101	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2102	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2103
		2104	$cf::MAP{$self->path} = $self;
		2105	}
		2106
1563	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1564	}	2144	}
1565		2145
1566	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1567		2147
1568	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2149	instantiated unique items. May block.
1570		2150
1571	=cut	2151	=cut
1572		2152
1573	sub unique_maps() {	2153	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1575	or return;	2155	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2156	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2157	/\.map$/
1585	push @paths, $_;	2158	? normalise $_
		2159	: ()
		2160	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2161	]
1587
1588	\@paths
1589	}	2162	}
1590		2163
1591	package cf;	2164	package cf;
1592		2165
1593	=back	2166	=back
…		…
1639		2212
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2214
1642	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1644	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1647	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1648	}	2240	}
1649		2241
1650	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1651		2243
1652	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2276	=cut
1685		2277
1686	sub link_map {	2278	sub link_map {
1687	unless ($LINK_MAP) {	2279	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2280	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2281	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2282	$LINK_MAP->load;
1691	}	2283	}
1692		2284
1693	$LINK_MAP	2285	$LINK_MAP
1694	}	2286	}
…		…
1699	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1700		2292
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2294
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1705		2297
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2299	}
1708		2300
1709	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1711		2305
1712	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1713		2307
1714	unless ($map) {	2308	unless ($map) {
1715	# restore original map position	2309	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1732		2326
1733	$map->load;	2327	$map->load;
1734	$map->load_diag;	2328	$map->load_neighbours;
1735		2329
1736	return unless $self->contr->active;	2330	return unless $self->contr->active;
1737	$self->activate_recursive;	2331	$self->activate_recursive;
		2332
		2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1739	}	2335	}
1740		2336
1741	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2338
1745	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1749	};	2343	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2344
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2345	=cut
		2346
		2347	our $GOTOGEN;
1776		2348
1777	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2354
1780	$self->enter_link;	2355	$self->enter_link;
1781		2356
1782	(async {	2357	(async {
		2358	my $map = eval {
1783	my $map = cf::map::find $path;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
1785		2363	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2364	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
1790		2367
		2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
		2374	}
		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1792	})->prio (1);	2382	})->prio (1);
1793	}	2383	}
1794		2384
1795	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1796		2386
…		…
1798		2388
1799	sub parse_random_map_params {	2389	sub parse_random_map_params {
1800	my ($spec) = @_;	2390	my ($spec) = @_;
1801		2391
1802	my $rmp = { # defaults	2392	my $rmp = { # defaults
1803	xsize => 10,	2393	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2394	ysize => (cf::rndm 15, 40),
		2395	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2396	#layout => string,
1805	};	2397	};
1806		2398
1807	for (split /\n/, $spec) {	2399	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2400	my ($k, $v) = split /\s+/, $_, 2;
1809		2401
…		…
1813	$rmp	2405	$rmp
1814	}	2406	}
1815		2407
1816	sub prepare_random_map {	2408	sub prepare_random_map {
1817	my ($exit) = @_;	2409	my ($exit) = @_;
		2410
		2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2412
1819	# all this does is basically replace the /! path by	2413	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2414	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2415	# that depends on the exit object
1822		2416
1823	my $rmp = parse_random_map_params $exit->msg;	2417	my $rmp = parse_random_map_params $exit->msg;
1824		2418
1825	if ($exit->map) {	2419	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2420	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2421	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2422	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2423	$rmp->{origin_y} = $exit->y;
1830	}	2424	}
1831		2425
1832	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1833		2427
1834	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
		2430	my $meta = "$RANDOMDIR/$md5.meta";
1836		2431
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
		2434	undef $fh;
		2435	aio_rename "$meta~", $meta;
1839		2436
1840	$exit->slaying ("?random/$md5");	2437	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2438	$exit->msg (undef);
1842	}	2439	}
1843	}	2440	}
…		…
1845	sub cf::object::player::enter_exit {	2442	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2443	my ($self, $exit) = @_;
1847		2444
1848	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1849		2446
		2447	if ($exit->slaying eq "/!") {
		2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
		2451	cf::sync_job { prepare_random_map $exit };
		2452	}
		2453
		2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2455	my $hp = $exit->stats->hp;
		2456	my $sp = $exit->stats->sp;
		2457
1850	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
1851		2463
1852	(async {	2464	(async {
1853	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2466	unless (eval {
1855	prepare_random_map $exit	2467	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2468
1861	1;	2469	1;
1862	}) {	2470	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2473	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2475
1868	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2477	$self->leave_link;
1870	}	2478	}
1871	})->prio (1);	2479	})->prio (1);
…		…
1884		2492
1885	sub cf::client::send_drawinfo {	2493	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2494	my ($self, $text, $flags) = @_;
1887		2495
1888	utf8::encode $text;	2496	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2498	}
1891		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	our %CHANNEL = (
		2510	"c/identify" => {
		2511	id => "identify",
		2512	title => "Identify",
		2513	reply => undef,
		2514	tooltip => "Items recently identified",
		2515	},
		2516	);
		2517
		2518	sub cf::client::send_msg {
		2519	my ($self, $channel, $msg, $color, @extra) = @_;
		2520
		2521	$msg = $self->pl->expand_cfpod ($msg);
		2522
		2523	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2524
		2525	# check predefined channels, for the benefit of C
		2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2527
		2528	if (ref $channel) {
		2529	# send meta info to client, if not yet sent
		2530	unless (exists $self->{channel}{$channel->{id}}) {
		2531	$self->{channel}{$channel->{id}} = $channel;
		2532	$self->ext_msg (channel_info => $channel);
		2533	}
		2534
		2535	$channel = $channel->{id};
		2536	}
		2537
		2538	return unless @extra || length $msg;
		2539
		2540	if ($self->can_msg) {
		2541	# default colour, mask it out
		2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2543	if $color & cf::NDI_DEF;
		2544
		2545	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2547	} else {
		2548	if ($color >= 0) {
		2549	# replace some tags by gcfclient-compatible ones
		2550	for ($msg) {
		2551	1 while
		2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2557	}
		2558
		2559	$color &= cf::NDI_COLOR_MASK;
		2560
		2561	utf8::encode $msg;
		2562
		2563	if (0 && $msg =~ /\[/) {
		2564	# COMMAND/INFO
		2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2566	} else {
		2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2568	$self->send_packet ("drawinfo $color $msg")
		2569	}
		2570	}
		2571	}
		2572	}
		2573
		2574	=item $client->ext_msg ($type, @msg)
		2575
		2576	Sends an ext event to the client.
		2577
		2578	=cut
		2579
		2580	sub cf::client::ext_msg($$@) {
		2581	my ($self, $type, @msg) = @_;
		2582
		2583	if ($self->extcmd == 2) {
		2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2585	} elsif ($self->extcmd == 1) { # TODO: remove
		2586	push @msg, msgtype => "event_$type";
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
		2590
		2591	=item $client->ext_reply ($msgid, @msg)
		2592
		2593	Sends an ext reply to the client.
		2594
		2595	=cut
		2596
		2597	sub cf::client::ext_reply($$@) {
		2598	my ($self, $id, @msg) = @_;
		2599
		2600	if ($self->extcmd == 2) {
		2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2602	} elsif ($self->extcmd == 1) {
		2603	#TODO: version 1, remove
		2604	unshift @msg, msgtype => "reply", msgid => $id;
		2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2606	}
		2607	}
1892		2608
1893	=item $success = $client->query ($flags, "text", \&cb)	2609	=item $success = $client->query ($flags, "text", \&cb)
1894		2610
1895	Queues a query to the client, calling the given callback with	2611	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2612	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2613	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2614
1899	Queries can fail, so check the return code. Or don't, as queries will become	2615	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2616	become reliable at some point in the future.
1901		2617
1902	=cut	2618	=cut
1903		2619
1904	sub cf::client::query {	2620	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2621	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2629	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2630	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2631
1916	$self->send_packet ($self->{query_queue}[0][0])	2632	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2633	if @{ $self->{query_queue} } == 1;
		2634
		2635	1
1918	}	2636	}
1919		2637
1920	cf::client->attach (	2638	cf::client->attach (
		2639	on_connect => sub {
		2640	my ($ns) = @_;
		2641
		2642	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2643	},
1921	on_reply => sub {	2644	on_reply => sub {
1922	my ($ns, $msg) = @_;	2645	my ($ns, $msg) = @_;
1923		2646
1924	# this weird shuffling is so that direct followup queries	2647	# this weird shuffling is so that direct followup queries
1925	# get handled first	2648	# get handled first
1926	my $queue = delete $ns->{query_queue}	2649	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2650	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2651
1929	(shift @$queue)->[1]->($msg);	2652	(shift @$queue)->[1]->($msg);
		2653	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2654
1931	push @{ $ns->{query_queue} }, @$queue;	2655	push @{ $ns->{query_queue} }, @$queue;
1932		2656
1933	if (@{ $ns->{query_queue} } == @$queue) {	2657	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2658	if (@$queue) {
…		…
1936	} else {	2660	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2661	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2662	}
1939	}	2663	}
1940	},	2664	},
		2665	on_exticmd => sub {
		2666	my ($ns, $buf) = @_;
		2667
		2668	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2669
		2670	if (ref $msg) {
		2671	my ($type, $reply, @payload) =
		2672	"ARRAY" eq ref $msg
		2673	? @$msg
		2674	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2675
		2676	my @reply;
		2677
		2678	if (my $cb = $EXTICMD{$type}) {
		2679	@reply = $cb->($ns, @payload);
		2680	}
		2681
		2682	$ns->ext_reply ($reply, @reply)
		2683	if $reply;
		2684
		2685	} else {
		2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2687	}
		2688
		2689	cf::override;
		2690	},
1941	);	2691	);
1942		2692
1943	=item $client->async (\&cb)	2693	=item $client->async (\&cb)
1944		2694
1945	Create a new coroutine, running the specified callback. The coroutine will	2695	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2736	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2737	our $safe_hole = new Safe::Hole;
1988		2738
1989	$SIG{FPE} = 'IGNORE';	2739	$SIG{FPE} = 'IGNORE';
1990		2740
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2741	$safe->permit_only (Opcode::opset qw(
		2742	:base_core :base_mem :base_orig :base_math
		2743	grepstart grepwhile mapstart mapwhile
		2744	sort time
		2745	));
1992		2746
1993	# here we export the classes and methods available to script code	2747	# here we export the classes and methods available to script code
1994		2748
1995	=pod	2749	=pod
1996		2750
1997	The following fucntions and emthods are available within a safe environment:	2751	The following functions and methods are available within a safe environment:
1998		2752
1999	cf::object contr pay_amount pay_player map	2753	cf::object
		2754	contr pay_amount pay_player map x y force_find force_add
		2755	insert remove name archname title slaying race decrease_ob_nr
		2756
2000	cf::object::player player	2757	cf::object::player
2001	cf::player peaceful	2758	player
2002	cf::map trigger	2759
		2760	cf::player
		2761	peaceful
		2762
		2763	cf::map
		2764	trigger
2003		2765
2004	=cut	2766	=cut
2005		2767
2006	for (	2768	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2770	insert remove inv name archname title slaying race
		2771	decrease_ob_nr)],
2008	["cf::object::player" => qw(player)],	2772	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2773	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2774	["cf::map" => qw(trigger)],
2011	) {	2775	) {
2012	no strict 'refs';	2776	no strict 'refs';
…		…
2083	=back	2847	=back
2084		2848
2085	=cut	2849	=cut
2086		2850
2087	#############################################################################	2851	#############################################################################
		2852	# the server's init and main functions
2088		2853
2089	=head2 EXTENSION DATABASE SUPPORT	2854	sub load_facedata($) {
		2855	my ($path) = @_;
2090		2856
2091	Crossfire maintains a very simple database for extension use. It can	2857	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	2858	# for this (global event?)
2093	excludes objects.	2859	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		2860
2095	The parameter C<$family> should best start with the name of the extension	2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		2862
2098	=over 4	2863	warn "loading facedata from $path\n";
2099		2864
2100	=item $hashref = cf::db_get $family	2865	my $facedata;
		2866	0 < aio_load $path, $facedata
		2867	or die "$path: $!";
2101		2868
2102	Return a hashref for use by the extension C<$family>, which can be	2869	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		2870
2106	=item $value = cf::db_get $family => $key	2871	$facedata->{version} == 2
		2872	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		2873
2108	Returns a single value from the database	2874	# patch in the exptable
2109		2875	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	2876	type => FT_RSRC,
2111		2877	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	2878	};
		2879	cf::cede_to_tick;
2161		2880
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	2881	{
		2882	my $faces = $facedata->{faceinfo};
2166		2883
2167	sub db_get($;$) {	2884	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}	2886	cf::face::set_visibility $idx, $info->{visibility};
2170	: ($DB->{$_[0]} ||= { })	2887	cf::face::set_magicmap $idx, $info->{magicmap};
2171	}	2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172		2890
2173	sub db_put($$;$) {	2891	cf::cede_to_tick;
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	2892	}
2187	);
2188	}
2189		2893
2190	#############################################################################	2894	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	2895	next unless $info->{smooth};
		2896	my $idx = cf::face::find $face
		2897	or next;
		2898	if (my $smooth = cf::face::find $info->{smooth}) {
		2899	cf::face::set_smooth $idx, $smooth;
		2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2901	} else {
		2902	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2903	}
2192		2904
2193	sub cfg_load {	2905	cf::cede_to_tick;
		2906	}
		2907	}
		2908
		2909	{
		2910	my $anims = $facedata->{animinfo};
		2911
		2912	while (my ($anim, $info) = each %$anims) {
		2913	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	cf::anim::invalidate_all; # d'oh
		2918	}
		2919
		2920	{
		2921	# TODO: for gcfclient pleasure, we should give resources
		2922	# that gcfclient doesn't grok a >10000 face index.
		2923	my $res = $facedata->{resource};
		2924
		2925	my $soundconf = delete $res->{"res/sound.conf"};
		2926
		2927	while (my ($name, $info) = each %$res) {
		2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2929	my $data;
		2930
		2931	if ($info->{type} & 1) {
		2932	# prepend meta info
		2933
		2934	my $meta = $enc->encode ({
		2935	name => $name,
		2936	%{ $info->{meta} || {} },
		2937	});
		2938
		2939	$data = pack "(w/a*)*", $meta, $info->{data};
		2940	} else {
		2941	$data = $info->{data};
		2942	}
		2943
		2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2945	cf::face::set_type $idx, $info->{type};
		2946
		2947	cf::cede_to_tick;
		2948	}
		2949
		2950	if ($soundconf) {
		2951	$soundconf = $enc->decode (delete $soundconf->{data});
		2952
		2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2954	my $sound = $soundconf->{compat}[$_]
		2955	or next;
		2956
		2957	my $face = cf::face::find "sound/$sound->[1]";
		2958	cf::sound::set $sound->[0] => $face;
		2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2960	}
		2961
		2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2963	my $face = cf::face::find "sound/$v";
		2964	cf::sound::set $k => $face;
		2965	}
		2966	}
		2967	}
		2968
		2969	1
		2970	}
		2971
		2972	register_exticmd fx_want => sub {
		2973	my ($ns, $want) = @_;
		2974
		2975	while (my ($k, $v) = each %$want) {
		2976	$ns->fx_want ($k, $v);
		2977	}
		2978	};
		2979
		2980	sub reload_regions {
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	load_resource_file "$MAPDIR/regions"
		2986	or die "unable to load regions file\n";
		2987
		2988	for (cf::region::list) {
		2989	$_->{match} = qr/$_->{match}/
		2990	if exists $_->{match};
		2991	}
		2992	}
		2993
		2994	sub reload_facedata {
		2995	load_facedata "$DATADIR/facedata"
		2996	or die "unable to load facedata\n";
		2997	}
		2998
		2999	sub reload_archetypes {
		3000	load_resource_file "$DATADIR/archetypes"
		3001	or die "unable to load archetypes\n";
		3002	#d# NEED to laod twice to resolve forward references
		3003	# this really needs to be done in an extra post-pass
		3004	# (which needs to be synchronous, so solve it differently)
		3005	load_resource_file "$DATADIR/archetypes"
		3006	or die "unable to load archetypes\n";
		3007	}
		3008
		3009	sub reload_treasures {
		3010	load_resource_file "$DATADIR/treasures"
		3011	or die "unable to load treasurelists\n";
		3012	}
		3013
		3014	sub reload_resources {
		3015	warn "reloading resource files...\n";
		3016
		3017	reload_regions;
		3018	reload_facedata;
		3019	#reload_archetypes;#d#
		3020	reload_archetypes;
		3021	reload_treasures;
		3022
		3023	warn "finished reloading resource files\n";
		3024	}
		3025
		3026	sub init {
		3027	reload_resources;
		3028	}
		3029
		3030	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3031	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3032	or return;
2196		3033
2197	local $/;	3034	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3035	*CFG = YAML::Syck::Load <$fh>;
2199		3036
…		…
2213		3050
2214	sub main {	3051	sub main {
2215	# we must not ever block the main coroutine	3052	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3053	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3054	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3055	(async {
2218	async { Event::one_event };	3056	Event::one_event;
		3057	})->prio (Coro::PRIO_MAX);
2219	};	3058	};
2220		3059
2221	cfg_load;	3060	reload_config;
2222	db_load;	3061	db_init;
2223	load_extensions;	3062	load_extensions;
		3063
		3064	$TICK_WATCHER->start;
2224	Event::loop;	3065	Event::loop;
2225	}	3066	}
2226		3067
2227	#############################################################################	3068	#############################################################################
2228	# initialisation and cleanup	3069	# initialisation and cleanup
2229		3070
2230	# install some emergency cleanup handlers	3071	# install some emergency cleanup handlers
2231	BEGIN {	3072	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3073	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3074	Event->signal (
		3075	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3076	data => WF_AUTOCANCEL,
2235	signal => $signal,	3077	signal => $signal,
		3078	prio => 0,
2236	cb => sub {	3079	cb => sub {
2237	cf::cleanup "SIG$signal";	3080	cf::cleanup "SIG$signal";
2238	},	3081	},
2239	);	3082	);
2240	}	3083	}
		3084	}
		3085
		3086	sub write_runtime {
		3087	my $runtime = "$LOCALDIR/runtime";
		3088
		3089	# first touch the runtime file to show we are still running:
		3090	# the fsync below can take a very very long time.
		3091
		3092	IO::AIO::aio_utime $runtime, undef, undef;
		3093
		3094	my $guard = cf::lock_acquire "write_runtime";
		3095
		3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3097	or return;
		3098
		3099	my $value = $cf::RUNTIME + 90 + 10;
		3100	# 10 is the runtime save interval, for a monotonic clock
		3101	# 60 allows for the watchdog to kill the server.
		3102
		3103	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3104	and return;
		3105
		3106	# always fsync - this file is important
		3107	aio_fsync $fh
		3108	and return;
		3109
		3110	# touch it again to show we are up-to-date
		3111	aio_utime $fh, undef, undef;
		3112
		3113	close $fh
		3114	or return;
		3115
		3116	aio_rename "$runtime~", $runtime
		3117	and return;
		3118
		3119	warn "runtime file written.\n";
		3120
		3121	1
2241	}	3122	}
2242		3123
2243	sub emergency_save() {	3124	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3125	my $freeze_guard = cf::freeze_mainloop;
2245		3126
…		…
2262	my $map = $cf::MAP{$path} or next;	3143	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3144	$map->valid or next;
2264	$map->save;	3145	$map->save;
2265	}	3146	}
2266	warn "end emergency map save\n";	3147	warn "end emergency map save\n";
		3148
		3149	warn "begin emergency database checkpoint\n";
		3150	BDB::db_env_txn_checkpoint $DB_ENV;
		3151	warn "end emergency database checkpoint\n";
2267	};	3152	};
2268		3153
2269	warn "leave emergency perl save\n";	3154	warn "leave emergency perl save\n";
2270	}	3155	}
2271		3156
		3157	sub post_cleanup {
		3158	my ($make_core) = @_;
		3159
		3160	warn Carp::longmess "post_cleanup backtrace"
		3161	if $make_core;
		3162	}
		3163
2272	sub reload() {	3164	sub do_reload_perl() {
2273	# can/must only be called in main	3165	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3166	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3167	warn "can only reload from main coroutine";
2276	return;	3168	return;
2277	}	3169	}
2278		3170
2279	warn "reloading...";	3171	warn "reloading...";
2280		3172
2281	warn "freezing server";	3173	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3174
		3175	cf::sync_job {
		3176	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3177	cf::emergency_save;
		3178	cf::write_runtime; # external watchdog should not bark
2284		3179
2285	warn "sync database to disk";	3180	warn "syncing database to disk";
2286	cf::db_sync;	3181	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3182
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3183	# if anything goes wrong in here, we should simply crash as we already saved
2291		3184
2292	warn "cancel all watchers";	3185	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3186	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3187	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3188	}
2296		3189
		3190	warn "flushing outstanding aio requests";
		3191	for (;;) {
		3192	BDB::flush;
		3193	IO::AIO::flush;
		3194	Coro::cede;
		3195	last unless IO::AIO::nreqs || BDB::nreqs;
		3196	warn "iterate...";
		3197	}
		3198
		3199	++$RELOAD;
		3200
2297	warn "cancel all extension coros";	3201	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3202	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3203	%EXT_CORO = ();
2300		3204
2301	warn "remove commands";	3205	warn "removing commands";
2302	%COMMAND = ();	3206	%COMMAND = ();
2303		3207
2304	warn "remove ext commands";	3208	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3209	%EXTCMD = ();
		3210	%EXTICMD = ();
2306		3211
2307	warn "unload/nuke all extensions";	3212	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3213	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3214	warn "... unloading $pkg";
2310		3215
2311	if (my $cb = $pkg->can ("unload")) {	3216	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3217	eval {
…		…
2317		3222
2318	warn "... nuking $pkg";	3223	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3224	Symbol::delete_package $pkg;
2320	}	3225	}
2321		3226
2322	warn "unload all perl modules loaded from $LIBDIR";	3227	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3228	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3229	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3230
2326	warn "removing <$k>";	3231	warn "... unloading $k";
2327	delete $INC{$k};	3232	delete $INC{$k};
2328		3233
2329	$k =~ s/\.pm$//;	3234	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3235	$k =~ s/\//::/g;
2331		3236
…		…
2334	}	3239	}
2335		3240
2336	Symbol::delete_package $k;	3241	Symbol::delete_package $k;
2337	}	3242	}
2338		3243
2339	warn "get rid of safe::, as good as possible";	3244	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3245	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3247
2343	warn "unload cf.pm \"a bit\"";	3248	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3249	delete $INC{"cf.pm"};
		3250	delete $INC{"cf/pod.pm"};
2345		3251
2346	# don't, removes xs symbols, too,	3252	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3253	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3254	#Symbol::delete_package __PACKAGE__;
2349		3255
		3256	warn "unload completed, starting to reload now";
		3257
2350	warn "reloading cf.pm";	3258	warn "reloading cf.pm";
2351	require cf;	3259	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3261
2354	warn "load config and database again";	3262	warn "loading config and database again";
2355	cf::cfg_load;	3263	cf::reload_config;
2356	cf::db_load;
2357		3264
2358	warn "load extensions";	3265	warn "loading extensions";
2359	cf::load_extensions;	3266	cf::load_extensions;
2360		3267
2361	warn "reattach attachments to objects/players";	3268	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3269	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3270	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3271	reattach $_ for values %MAP;
2365	};	3272	warn "reattaching attachments to players";
		3273	reattach $_ for values %PLAYER;
2366		3274
2367	if ($@) {	3275	warn "leaving sync_job";
		3276
		3277	1
		3278	} or do {
2368	warn $@;	3279	warn $@;
2369	warn "error while reloading, exiting.";	3280	warn "error while reloading, exiting.";
2370	exit 1;	3281	exit 1;
2371	}	3282	};
2372		3283
2373	warn "reloaded";	3284	warn "reloaded";
2374	};	3285	};
2375		3286
		3287	our $RELOAD_WATCHER; # used only during reload
		3288
		3289	sub reload_perl() {
		3290	# doing reload synchronously and two reloads happen back-to-back,
		3291	# coro crashes during coro_state_free->destroy here.
		3292
		3293	$RELOAD_WATCHER ||= Event->timer (
		3294	reentrant => 0,
		3295	after => 0,
		3296	data => WF_AUTOCANCEL,
		3297	cb => sub {
		3298	do_reload_perl;
		3299	undef $RELOAD_WATCHER;
		3300	},
		3301	);
		3302	}
		3303
2376	register_command "reload" => sub {	3304	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3305	my ($who, $arg) = @_;
2378		3306
2379	if ($who->flag (FLAG_WIZ)) {	3307	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3308	$who->message ("reloading server.");
		3309	async { reload_perl };
2383	}	3310	}
2384	};	3311	};
2385		3312
2386	unshift @INC, $LIBDIR;	3313	unshift @INC, $LIBDIR;
2387		3314
		3315	my $bug_warning = 0;
		3316
		3317	our @WAIT_FOR_TICK;
		3318	our @WAIT_FOR_TICK_BEGIN;
		3319
		3320	sub wait_for_tick {
		3321	return unless $TICK_WATCHER->is_active;
		3322	return if $Coro::current == $Coro::main;
		3323
		3324	my $signal = new Coro::Signal;
		3325	push @WAIT_FOR_TICK, $signal;
		3326	$signal->wait;
		3327	}
		3328
		3329	sub wait_for_tick_begin {
		3330	return unless $TICK_WATCHER->is_active;
		3331	return if $Coro::current == $Coro::main;
		3332
		3333	my $signal = new Coro::Signal;
		3334	push @WAIT_FOR_TICK_BEGIN, $signal;
		3335	$signal->wait;
		3336	}
		3337
		3338	my $min = 1e6;#d#
		3339	my $avg = 10;
2388	$TICK_WATCHER = Event->timer (	3340	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3341	reentrant => 0,
		3342	parked => 1,
2390	prio => 0,	3343	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3344	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3345	data => WF_AUTOCANCEL,
2393	cb => sub {	3346	cb => sub {
		3347	if ($Coro::current != $Coro::main) {
		3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3349	unless ++$bug_warning > 10;
		3350	return;
		3351	}
		3352
2394	$NOW = Event::time;	3353	$NOW = $tick_start = Event::time;
2395		3354
2396	cf::server_tick; # one server iteration	3355	cf::server_tick; # one server iteration
		3356
		3357	0 && sync_job {#d#
		3358	for(1..10) {
		3359	my $t = Event::time;
		3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3361	or die;
		3362
		3363	$map->width (50);
		3364	$map->height (50);
		3365	$map->alloc;
		3366	$map->_load_objects ("/tmp/x.map", 1);
		3367	my $t = Event::time - $t;
		3368
		3369	#next unless $t < 0.0013;#d#
		3370	if ($t < $min) {
		3371	$min = $t;
		3372	}
		3373	$avg = $avg * 0.99 + $t * 0.01;
		3374	}
		3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3376	exit 0;
		3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3378	};
		3379
2397	$RUNTIME += $TICK;	3380	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3381	$NEXT_TICK += $TICK;
2399		3382
2400	$WAIT_FOR_TICK->broadcast;	3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3385	Coro::async_pool {
		3386	write_runtime
		3387	or warn "ERROR: unable to write runtime file: $!";
		3388	};
		3389	}
		3390
		3391	# my $AFTER = Event::time;
		3392	# warn $AFTER - $NOW;#d#
		3393
		3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3395	$sig->send;
		3396	}
		3397	while (my $sig = shift @WAIT_FOR_TICK) {
		3398	$sig->send;
		3399	}
		3400
		3401	$NOW = Event::time;
2402		3402
2403	# if we are delayed by four ticks or more, skip them all	3403	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3405
2406	$TICK_WATCHER->at ($NEXT_TICK);	3406	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3407	$TICK_WATCHER->start;
		3408
		3409	$LOAD = ($NOW - $tick_start) / $TICK;
		3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3411
		3412	_post_tick;
		3413
		3414
2408	},	3415	},
2409	);	3416	);
2410		3417
		3418	{
		3419	BDB::max_poll_time $TICK * 0.1;
		3420	$BDB_POLL_WATCHER = Event->io (
		3421	reentrant => 0,
		3422	fd => BDB::poll_fileno,
		3423	poll => 'r',
		3424	prio => 0,
		3425	data => WF_AUTOCANCEL,
		3426	cb => \&BDB::poll_cb,
		3427	);
		3428	BDB::min_parallel 8;
		3429
		3430	BDB::set_sync_prepare {
		3431	my $status;
		3432	my $current = $Coro::current;
		3433	(
		3434	sub {
		3435	$status = $!;
		3436	$current->ready; undef $current;
		3437	},
		3438	sub {
		3439	Coro::schedule while defined $current;
		3440	$! = $status;
		3441	},
		3442	)
		3443	};
		3444
		3445	unless ($DB_ENV) {
		3446	$DB_ENV = BDB::db_env_create;
		3447
		3448	cf::sync_job {
		3449	eval {
		3450	BDB::db_env_open
		3451	$DB_ENV,
		3452	$BDBDIR,
		3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3455	0666;
		3456
		3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3458
		3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3460	$DB_ENV->set_lk_detect;
		3461	};
		3462
		3463	cf::cleanup "db_env_open(db): $@" if $@;
		3464	};
		3465	}
		3466	}
		3467
		3468	{
		3469	IO::AIO::min_parallel 8;
		3470
		3471	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3472	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3473	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3474	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3475	data => WF_AUTOCANCEL,
2423	after => 0,	3476	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3477	poll => 'r',
2425	cb => sub {	3478	prio => 6,
2426	(Coro::unblock_sub {	3479	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3480	);
2428	or warn "ERROR: unable to write runtime file: $!";	3481	}
		3482
		3483	my $_log_backtrace;
		3484
		3485	sub _log_backtrace {
		3486	my ($msg, @addr) = @_;
		3487
		3488	$msg =~ s/\n//;
		3489
		3490	# limit the # of concurrent backtraces
		3491	if ($_log_backtrace < 2) {
		3492	++$_log_backtrace;
		3493	async {
		3494	my @bt = fork_call {
		3495	@addr = map { sprintf "%x", $_ } @addr;
		3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3498	or die "addr2line: $!";
		3499
		3500	my @funcs;
		3501	my @res = <$fh>;
		3502	chomp for @res;
		3503	while (@res) {
		3504	my ($func, $line) = splice @res, 0, 2, ();
		3505	push @funcs, "[$func] $line";
		3506	}
		3507
		3508	@funcs
		3509	};
		3510
		3511	LOG llevInfo, "[ABT] $msg\n";
		3512	LOG llevInfo, "[ABT] $_\n" for @bt;
		3513	--$_log_backtrace;
2429	})->();	3514	};
		3515	} else {
		3516	LOG llevInfo, "[ABT] $msg\n";
		3517	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3518	}
2431	);	3519	}
		3520
		3521	# load additional modules
		3522	use cf::pod;
2432		3523
2433	END { cf::emergency_save }	3524	END { cf::emergency_save }
2434		3525
2435	1	3526	1
2436		3527

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