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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 1.347 by root, Thu Aug 30 05:16:09 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	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1563	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
		2104	}
		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
1564	}	2140	}
1565		2141
1566	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1567		2143
1568	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2145	instantiated unique items. May block.
1570		2146
1571	=cut	2147	=cut
1572		2148
1573	sub unique_maps() {	2149	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1575	or return;	2151	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2152	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2153	/\.map$/
1585	push @paths, $_;	2154	? normalise $_
		2155	: ()
		2156	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2157	]
1587
1588	\@paths
1589	}	2158	}
1590		2159
1591	package cf;	2160	package cf;
1592		2161
1593	=back	2162	=back
…		…
1639		2208
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2210
1642	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1644	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $dialog = $pl->{npc_dialog};
		2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2220
		2221	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1647	}	2225	}
		2226	}
		2227
		2228	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2229
		2230	=cut
		2231
		2232	sub cf::object::send_msg {
		2233	my $pl = shift->contr
		2234	or return;
		2235	$pl->send_msg (@_);
1648	}	2236	}
1649		2237
1650	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1651		2239
1652	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2272	=cut
1685		2273
1686	sub link_map {	2274	sub link_map {
1687	unless ($LINK_MAP) {	2275	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2276	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2277	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2278	$LINK_MAP->load;
1691	}	2279	}
1692		2280
1693	$LINK_MAP	2281	$LINK_MAP
1694	}	2282	}
…		…
1699	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1700		2288
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2290
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1705		2293
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2295	}
1708		2296
1709	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1711		2301
1712	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1713		2303
1714	unless ($map) {	2304	unless ($map) {
1715	# restore original map position	2305	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1732		2322
1733	$map->load;	2323	$map->load;
1734	$map->load_diag;	2324	$map->load_neighbours;
1735		2325
1736	return unless $self->contr->active;	2326	return unless $self->contr->active;
1737	$self->activate_recursive;	2327	$self->activate_recursive;
		2328
		2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1739	}	2331	}
1740		2332
1741	cf::player->attach (	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2334
1745	# abort map switching before logout	2335	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2336	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2337	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2338	the new (success) or old (failed) map position. In either case, $done will
1749	};	2339	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2340
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	2341	=cut
		2342
		2343	our $GOTOGEN;
1776		2344
1777	sub cf::object::player::goto {	2345	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2346	my ($self, $path, $x, $y, $check, $done) = @_;
		2347
		2348	# do generation counting so two concurrent goto's will be executed in-order
		2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2350
1780	$self->enter_link;	2351	$self->enter_link;
1781		2352
1782	(async {	2353	(async {
		2354	my $map = eval {
1783	my $map = cf::map::find $path;	2355	my $map = cf::map::find $path;
		2356
		2357	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2358	$map = $map->customise_for ($self);
1785		2359	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2360	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	}
1790		2363
		2364	$map
		2365	};
		2366
		2367	if ($@) {
		2368	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	LOG llevError | logBacktrace, Carp::longmess $@;
		2370	}
		2371
		2372	if ($gen == $self->{_goto_generation}) {
		2373	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
1792	})->prio (1);	2378	})->prio (1);
1793	}	2379	}
1794		2380
1795	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
1796		2382
…		…
1798		2384
1799	sub parse_random_map_params {	2385	sub parse_random_map_params {
1800	my ($spec) = @_;	2386	my ($spec) = @_;
1801		2387
1802	my $rmp = { # defaults	2388	my $rmp = { # defaults
1803	xsize => 10,	2389	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2390	ysize => (cf::rndm 15, 40),
		2391	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2392	#layout => string,
1805	};	2393	};
1806		2394
1807	for (split /\n/, $spec) {	2395	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2396	my ($k, $v) = split /\s+/, $_, 2;
1809		2397
…		…
1813	$rmp	2401	$rmp
1814	}	2402	}
1815		2403
1816	sub prepare_random_map {	2404	sub prepare_random_map {
1817	my ($exit) = @_;	2405	my ($exit) = @_;
		2406
		2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2408
1819	# all this does is basically replace the /! path by	2409	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2410	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2411	# that depends on the exit object
1822		2412
1823	my $rmp = parse_random_map_params $exit->msg;	2413	my $rmp = parse_random_map_params $exit->msg;
1824		2414
1825	if ($exit->map) {	2415	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2416	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2417	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2418	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2419	$rmp->{origin_y} = $exit->y;
1830	}	2420	}
1831		2421
1832	$rmp->{random_seed} ||= $exit->random_seed;	2422	$rmp->{random_seed} ||= $exit->random_seed;
1833		2423
1834	my $data = cf::to_json $rmp;	2424	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2425	my $md5 = Digest::MD5::md5_hex $data;
		2426	my $meta = "$RANDOMDIR/$md5.meta";
1836		2427
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2429	aio_write $fh, 0, (length $data), $data, 0;
		2430	undef $fh;
		2431	aio_rename "$meta~", $meta;
1839		2432
1840	$exit->slaying ("?random/$md5");	2433	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2434	$exit->msg (undef);
1842	}	2435	}
1843	}	2436	}
…		…
1845	sub cf::object::player::enter_exit {	2438	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2439	my ($self, $exit) = @_;
1847		2440
1848	return unless $self->type == cf::PLAYER;	2441	return unless $self->type == cf::PLAYER;
1849		2442
		2443	if ($exit->slaying eq "/!") {
		2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2445	# the problem is that $exit might not survive long enough
		2446	# so it needs to be done right now, right here
		2447	cf::sync_job { prepare_random_map $exit };
		2448	}
		2449
		2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2451	my $hp = $exit->stats->hp;
		2452	my $sp = $exit->stats->sp;
		2453
1850	$self->enter_link;	2454	$self->enter_link;
		2455
		2456	# if exit is damned, update players death & WoR home-position
		2457	$self->contr->savebed ($slaying, $hp, $sp)
		2458	if $exit->flag (FLAG_DAMNED);
1851		2459
1852	(async {	2460	(async {
1853	$self->deactivate_recursive; # just to be sure	2461	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2462	unless (eval {
1855	prepare_random_map $exit	2463	$self->goto ($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		2464
1861	1;	2465	1;
1862	}) {	2466	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2467	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2468	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2469	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2470	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2471
1868	warn "ERROR in enter_exit: $@";	2472	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2473	$self->leave_link;
1870	}	2474	}
1871	})->prio (1);	2475	})->prio (1);
…		…
1884		2488
1885	sub cf::client::send_drawinfo {	2489	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2490	my ($self, $text, $flags) = @_;
1887		2491
1888	utf8::encode $text;	2492	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2494	}
1891		2495
		2496	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2497
		2498	Send a drawinfo or msg packet to the client, formatting the msg for the
		2499	client if neccessary. C<$type> should be a string identifying the type of
		2500	the message, with C<log> being the default. If C<$color> is negative, suppress
		2501	the message unless the client supports the msg packet.
		2502
		2503	=cut
		2504
		2505	sub cf::client::send_msg {
		2506	my ($self, $channel, $msg, $color, @extra) = @_;
		2507
		2508	$msg = $self->pl->expand_cfpod ($msg);
		2509
		2510	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2511
		2512	if (ref $channel) {
		2513	# send meta info to client, if not yet sent
		2514	unless (exists $self->{channel}{$channel->{id}}) {
		2515	$self->{channel}{$channel->{id}} = $channel;
		2516	$self->ext_msg (channel_info => $channel);
		2517	}
		2518
		2519	$channel = $channel->{id};
		2520	}
		2521
		2522	return unless @extra || length $msg;
		2523
		2524	if ($self->can_msg) {
		2525	# default colour, mask it out
		2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2527	if $color & cf::NDI_DEF;
		2528
		2529	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2531	} else {
		2532	if ($color >= 0) {
		2533	# replace some tags by gcfclient-compatible ones
		2534	for ($msg) {
		2535	1 while
		2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2541	}
		2542
		2543	$color &= cf::NDI_COLOR_MASK;
		2544
		2545	utf8::encode $msg;
		2546
		2547	if (0 && $msg =~ /\[/) {
		2548	# COMMAND/INFO
		2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2550	} else {
		2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2552	$self->send_packet ("drawinfo $color $msg")
		2553	}
		2554	}
		2555	}
		2556	}
		2557
		2558	=item $client->ext_msg ($type, @msg)
		2559
		2560	Sends an ext event to the client.
		2561
		2562	=cut
		2563
		2564	sub cf::client::ext_msg($$@) {
		2565	my ($self, $type, @msg) = @_;
		2566
		2567	if ($self->extcmd == 2) {
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2569	} elsif ($self->extcmd == 1) { # TODO: remove
		2570	push @msg, msgtype => "event_$type";
		2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2572	}
		2573	}
		2574
		2575	=item $client->ext_reply ($msgid, @msg)
		2576
		2577	Sends an ext reply to the client.
		2578
		2579	=cut
		2580
		2581	sub cf::client::ext_reply($$@) {
		2582	my ($self, $id, @msg) = @_;
		2583
		2584	if ($self->extcmd == 2) {
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2586	} elsif ($self->extcmd == 1) {
		2587	#TODO: version 1, remove
		2588	unshift @msg, msgtype => "reply", msgid => $id;
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2590	}
		2591	}
1892		2592
1893	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
1894		2594
1895	Queues a query to the client, calling the given callback with	2595	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>,	2596	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>.	2597	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2598
1899	Queries can fail, so check the return code. Or don't, as queries will become	2599	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2600	become reliable at some point in the future.
1901		2601
1902	=cut	2602	=cut
1903		2603
1904	sub cf::client::query {	2604	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2613	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2615
1916	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
1918	}	2620	}
1919		2621
1920	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
1921	on_reply => sub {	2628	on_reply => sub {
1922	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
1923		2630
1924	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
1925	# get handled first	2632	# get handled first
1926	my $queue = delete $ns->{query_queue}	2633	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2634	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2635
1929	(shift @$queue)->[1]->($msg);	2636	(shift @$queue)->[1]->($msg);
		2637	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2638
1931	push @{ $ns->{query_queue} }, @$queue;	2639	push @{ $ns->{query_queue} }, @$queue;
1932		2640
1933	if (@{ $ns->{query_queue} } == @$queue) {	2641	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2642	if (@$queue) {
…		…
1936	} else {	2644	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2646	}
1939	}	2647	}
1940	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($ns, $buf) = @_;
		2651
		2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2653
		2654	if (ref $msg) {
		2655	my ($type, $reply, @payload) =
		2656	"ARRAY" eq ref $msg
		2657	? @$msg
		2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2659
		2660	my @reply;
		2661
		2662	if (my $cb = $EXTICMD{$type}) {
		2663	@reply = $cb->($ns, @payload);
		2664	}
		2665
		2666	$ns->ext_reply ($reply, @reply)
		2667	if $reply;
		2668
		2669	} else {
		2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2671	}
		2672
		2673	cf::override;
		2674	},
1941	);	2675	);
1942		2676
1943	=item $client->async (\&cb)	2677	=item $client->async (\&cb)
1944		2678
1945	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
1988		2722
1989	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
1990		2724
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
1992		2730
1993	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
1994		2732
1995	=pod	2733	=pod
1996		2734
1997	The following fucntions and emthods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
1998		2736
1999	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
2000	cf::object::player player	2741	cf::object::player
2001	cf::player peaceful	2742	player
2002	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
2003		2749
2004	=cut	2750	=cut
2005		2751
2006	for (	2752	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
2008	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
2011	) {	2759	) {
2012	no strict 'refs';	2760	no strict 'refs';
…		…
2083	=back	2831	=back
2084		2832
2085	=cut	2833	=cut
2086		2834
2087	#############################################################################	2835	#############################################################################
		2836	# the server's init and main functions
2088		2837
2089	=head2 EXTENSION DATABASE SUPPORT	2838	sub load_facedata($) {
		2839	my ($path) = @_;
2090		2840
2091	Crossfire maintains a very simple database for extension use. It can	2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2092	currently store anything that can be serialised using Storable, which
2093	excludes objects.
2094		2842
2095	The parameter C<$family> should best start with the name of the extension	2843	warn "loading facedata from $path\n";
2096	using it, it should be unique.
2097		2844
2098	=over 4	2845	my $facedata;
		2846	0 < aio_load $path, $facedata
		2847	or die "$path: $!";
2099		2848
2100	=item $hashref = cf::db_get $family	2849	$facedata = Coro::Storable::thaw $facedata;
2101		2850
2102	Return a hashref for use by the extension C<$family>, which can be	2851	$facedata->{version} == 2
2103	modified. After modifications, you have to call C<cf::db_dirty> or	2852	or cf::cleanup "$path: version mismatch, cannot proceed.";
2104	C<cf::db_sync>.
2105		2853
2106	=item $value = cf::db_get $family => $key	2854	# patch in the exptable
2107		2855	$facedata->{resource}{"res/exp_table"} = {
2108	Returns a single value from the database	2856	type => FT_RSRC,
2109		2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	=item cf::db_put $family => $hashref
2111
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	});	2858	};
		2859	cf::cede_to_tick;
2161		2860
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	2861	{
		2862	my $faces = $facedata->{faceinfo};
2166		2863
2167	sub db_get($;$) {	2864	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}	2866	cf::face::set_visibility $idx, $info->{visibility};
2170	: ($DB->{$_[0]} ||= { })	2867	cf::face::set_magicmap $idx, $info->{magicmap};
2171	}	2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172		2870
2173	sub db_put($$;$) {	2871	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	},	2872	}
2187	);
2188	}
2189		2873
2190	#############################################################################	2874	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
2192		2884
2193	sub cfg_load {	2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904
		2905	my $soundconf = delete $res->{"res/sound.conf"};
		2906
		2907	while (my ($name, $info) = each %$res) {
		2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2909	my $data;
		2910
		2911	if ($info->{type} & 1) {
		2912	# prepend meta info
		2913
		2914	my $meta = $enc->encode ({
		2915	name => $name,
		2916	%{ $info->{meta} || {} },
		2917	});
		2918
		2919	$data = pack "(w/a*)*", $meta, $info->{data};
		2920	} else {
		2921	$data = $info->{data};
		2922	}
		2923
		2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2925	cf::face::set_type $idx, $info->{type};
		2926
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	if ($soundconf) {
		2931	$soundconf = $enc->decode (delete $soundconf->{data});
		2932
		2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2934	my $sound = $soundconf->{compat}[$_]
		2935	or next;
		2936
		2937	my $face = cf::face::find "sound/$sound->[1]";
		2938	cf::sound::set $sound->[0] => $face;
		2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2940	}
		2941
		2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2943	my $face = cf::face::find "sound/$v";
		2944	cf::sound::set $k => $face;
		2945	}
		2946	}
		2947	}
		2948
		2949	1
		2950	}
		2951
		2952	register_exticmd fx_want => sub {
		2953	my ($ns, $want) = @_;
		2954
		2955	while (my ($k, $v) = each %$want) {
		2956	$ns->fx_want ($k, $v);
		2957	}
		2958	};
		2959
		2960	sub reload_regions {
		2961	load_resource_file "$MAPDIR/regions"
		2962	or die "unable to load regions file\n";
		2963
		2964	for (cf::region::list) {
		2965	$_->{match} = qr/$_->{match}/
		2966	if exists $_->{match};
		2967	}
		2968	}
		2969
		2970	sub reload_facedata {
		2971	load_facedata "$DATADIR/facedata"
		2972	or die "unable to load facedata\n";
		2973	}
		2974
		2975	sub reload_archetypes {
		2976	load_resource_file "$DATADIR/archetypes"
		2977	or die "unable to load archetypes\n";
		2978	#d# NEED to laod twice to resolve forward references
		2979	# this really needs to be done in an extra post-pass
		2980	# (which needs to be synchronous, so solve it differently)
		2981	load_resource_file "$DATADIR/archetypes"
		2982	or die "unable to load archetypes\n";
		2983	}
		2984
		2985	sub reload_treasures {
		2986	load_resource_file "$DATADIR/treasures"
		2987	or die "unable to load treasurelists\n";
		2988	}
		2989
		2990	sub reload_resources {
		2991	warn "reloading resource files...\n";
		2992
		2993	reload_regions;
		2994	reload_facedata;
		2995	#reload_archetypes;#d#
		2996	reload_archetypes;
		2997	reload_treasures;
		2998
		2999	warn "finished reloading resource files\n";
		3000	}
		3001
		3002	sub init {
		3003	reload_resources;
		3004	}
		3005
		3006	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3007	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3008	or return;
2196		3009
2197	local $/;	3010	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3011	*CFG = YAML::Syck::Load <$fh>;
2199		3012
…		…
2213		3026
2214	sub main {	3027	sub main {
2215	# we must not ever block the main coroutine	3028	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3029	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3030	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3031	(async {
2218	async { Event::one_event };	3032	Event::one_event;
		3033	})->prio (Coro::PRIO_MAX);
2219	};	3034	};
2220		3035
2221	cfg_load;	3036	reload_config;
2222	db_load;	3037	db_init;
2223	load_extensions;	3038	load_extensions;
		3039
		3040	$TICK_WATCHER->start;
2224	Event::loop;	3041	Event::loop;
2225	}	3042	}
2226		3043
2227	#############################################################################	3044	#############################################################################
2228	# initialisation and cleanup	3045	# initialisation and cleanup
2229		3046
2230	# install some emergency cleanup handlers	3047	# install some emergency cleanup handlers
2231	BEGIN {	3048	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3049	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3050	Event->signal (
		3051	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3052	data => WF_AUTOCANCEL,
2235	signal => $signal,	3053	signal => $signal,
		3054	prio => 0,
2236	cb => sub {	3055	cb => sub {
2237	cf::cleanup "SIG$signal";	3056	cf::cleanup "SIG$signal";
2238	},	3057	},
2239	);	3058	);
2240	}	3059	}
		3060	}
		3061
		3062	sub write_runtime {
		3063	my $runtime = "$LOCALDIR/runtime";
		3064
		3065	# first touch the runtime file to show we are still running:
		3066	# the fsync below can take a very very long time.
		3067
		3068	IO::AIO::aio_utime $runtime, undef, undef;
		3069
		3070	my $guard = cf::lock_acquire "write_runtime";
		3071
		3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3073	or return;
		3074
		3075	my $value = $cf::RUNTIME + 90 + 10;
		3076	# 10 is the runtime save interval, for a monotonic clock
		3077	# 60 allows for the watchdog to kill the server.
		3078
		3079	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3080	and return;
		3081
		3082	# always fsync - this file is important
		3083	aio_fsync $fh
		3084	and return;
		3085
		3086	# touch it again to show we are up-to-date
		3087	aio_utime $fh, undef, undef;
		3088
		3089	close $fh
		3090	or return;
		3091
		3092	aio_rename "$runtime~", $runtime
		3093	and return;
		3094
		3095	warn "runtime file written.\n";
		3096
		3097	1
2241	}	3098	}
2242		3099
2243	sub emergency_save() {	3100	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3101	my $freeze_guard = cf::freeze_mainloop;
2245		3102
…		…
2262	my $map = $cf::MAP{$path} or next;	3119	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3120	$map->valid or next;
2264	$map->save;	3121	$map->save;
2265	}	3122	}
2266	warn "end emergency map save\n";	3123	warn "end emergency map save\n";
		3124
		3125	warn "begin emergency database checkpoint\n";
		3126	BDB::db_env_txn_checkpoint $DB_ENV;
		3127	warn "end emergency database checkpoint\n";
2267	};	3128	};
2268		3129
2269	warn "leave emergency perl save\n";	3130	warn "leave emergency perl save\n";
2270	}	3131	}
2271		3132
		3133	sub post_cleanup {
		3134	my ($make_core) = @_;
		3135
		3136	warn Carp::longmess "post_cleanup backtrace"
		3137	if $make_core;
		3138	}
		3139
2272	sub reload() {	3140	sub do_reload_perl() {
2273	# can/must only be called in main	3141	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3142	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3143	warn "can only reload from main coroutine";
2276	return;	3144	return;
2277	}	3145	}
2278		3146
2279	warn "reloading...";	3147	warn "reloading...";
2280		3148
2281	warn "freezing server";	3149	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3150
		3151	cf::sync_job {
		3152	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3153	cf::emergency_save;
		3154	cf::write_runtime; # external watchdog should not bark
2284		3155
2285	warn "sync database to disk";	3156	warn "syncing database to disk";
2286	cf::db_sync;	3157	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3158
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3159	# if anything goes wrong in here, we should simply crash as we already saved
2291		3160
2292	warn "cancel all watchers";	3161	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3162	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3163	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3164	}
2296		3165
		3166	warn "flushing outstanding aio requests";
		3167	for (;;) {
		3168	BDB::flush;
		3169	IO::AIO::flush;
		3170	Coro::cede;
		3171	last unless IO::AIO::nreqs || BDB::nreqs;
		3172	warn "iterate...";
		3173	}
		3174
		3175	++$RELOAD;
		3176
2297	warn "cancel all extension coros";	3177	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3178	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3179	%EXT_CORO = ();
2300		3180
2301	warn "remove commands";	3181	warn "removing commands";
2302	%COMMAND = ();	3182	%COMMAND = ();
2303		3183
2304	warn "remove ext commands";	3184	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3185	%EXTCMD = ();
		3186	%EXTICMD = ();
2306		3187
2307	warn "unload/nuke all extensions";	3188	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3189	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3190	warn "... unloading $pkg";
2310		3191
2311	if (my $cb = $pkg->can ("unload")) {	3192	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3193	eval {
…		…
2317		3198
2318	warn "... nuking $pkg";	3199	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3200	Symbol::delete_package $pkg;
2320	}	3201	}
2321		3202
2322	warn "unload all perl modules loaded from $LIBDIR";	3203	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3204	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3205	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3206
2326	warn "removing <$k>";	3207	warn "... unloading $k";
2327	delete $INC{$k};	3208	delete $INC{$k};
2328		3209
2329	$k =~ s/\.pm$//;	3210	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3211	$k =~ s/\//::/g;
2331		3212
…		…
2334	}	3215	}
2335		3216
2336	Symbol::delete_package $k;	3217	Symbol::delete_package $k;
2337	}	3218	}
2338		3219
2339	warn "get rid of safe::, as good as possible";	3220	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3221	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3222	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3223
2343	warn "unload cf.pm \"a bit\"";	3224	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3225	delete $INC{"cf.pm"};
		3226	delete $INC{"cf/pod.pm"};
2345		3227
2346	# don't, removes xs symbols, too,	3228	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3229	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3230	#Symbol::delete_package __PACKAGE__;
2349		3231
		3232	warn "unload completed, starting to reload now";
		3233
2350	warn "reloading cf.pm";	3234	warn "reloading cf.pm";
2351	require cf;	3235	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3237
2354	warn "load config and database again";	3238	warn "loading config and database again";
2355	cf::cfg_load;	3239	cf::reload_config;
2356	cf::db_load;
2357		3240
2358	warn "load extensions";	3241	warn "loading extensions";
2359	cf::load_extensions;	3242	cf::load_extensions;
2360		3243
2361	warn "reattach attachments to objects/players";	3244	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3245	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3246	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3247	reattach $_ for values %MAP;
2365	};	3248	warn "reattaching attachments to players";
		3249	reattach $_ for values %PLAYER;
2366		3250
2367	if ($@) {	3251	warn "leaving sync_job";
		3252
		3253	1
		3254	} or do {
2368	warn $@;	3255	warn $@;
2369	warn "error while reloading, exiting.";	3256	warn "error while reloading, exiting.";
2370	exit 1;	3257	exit 1;
2371	}	3258	};
2372		3259
2373	warn "reloaded";	3260	warn "reloaded";
2374	};	3261	};
2375		3262
		3263	our $RELOAD_WATCHER; # used only during reload
		3264
		3265	sub reload_perl() {
		3266	# doing reload synchronously and two reloads happen back-to-back,
		3267	# coro crashes during coro_state_free->destroy here.
		3268
		3269	$RELOAD_WATCHER ||= Event->timer (
		3270	reentrant => 0,
		3271	after => 0,
		3272	data => WF_AUTOCANCEL,
		3273	cb => sub {
		3274	do_reload_perl;
		3275	undef $RELOAD_WATCHER;
		3276	},
		3277	);
		3278	}
		3279
2376	register_command "reload" => sub {	3280	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3281	my ($who, $arg) = @_;
2378		3282
2379	if ($who->flag (FLAG_WIZ)) {	3283	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3284	$who->message ("reloading server.");
		3285	async { reload_perl };
2383	}	3286	}
2384	};	3287	};
2385		3288
2386	unshift @INC, $LIBDIR;	3289	unshift @INC, $LIBDIR;
2387		3290
		3291	my $bug_warning = 0;
		3292
		3293	our @WAIT_FOR_TICK;
		3294	our @WAIT_FOR_TICK_BEGIN;
		3295
		3296	sub wait_for_tick {
		3297	return unless $TICK_WATCHER->is_active;
		3298	return if $Coro::current == $Coro::main;
		3299
		3300	my $signal = new Coro::Signal;
		3301	push @WAIT_FOR_TICK, $signal;
		3302	$signal->wait;
		3303	}
		3304
		3305	sub wait_for_tick_begin {
		3306	return unless $TICK_WATCHER->is_active;
		3307	return if $Coro::current == $Coro::main;
		3308
		3309	my $signal = new Coro::Signal;
		3310	push @WAIT_FOR_TICK_BEGIN, $signal;
		3311	$signal->wait;
		3312	}
		3313
		3314	my $min = 1e6;#d#
		3315	my $avg = 10;
2388	$TICK_WATCHER = Event->timer (	3316	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3317	reentrant => 0,
		3318	parked => 1,
2390	prio => 0,	3319	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3320	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3321	data => WF_AUTOCANCEL,
2393	cb => sub {	3322	cb => sub {
		3323	if ($Coro::current != $Coro::main) {
		3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3325	unless ++$bug_warning > 10;
		3326	return;
		3327	}
		3328
2394	$NOW = Event::time;	3329	$NOW = $tick_start = Event::time;
2395		3330
2396	cf::server_tick; # one server iteration	3331	cf::server_tick; # one server iteration
		3332
		3333	0 && sync_job {#d#
		3334	for(1..10) {
		3335	my $t = Event::time;
		3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3337	or die;
		3338
		3339	$map->width (50);
		3340	$map->height (50);
		3341	$map->alloc;
		3342	$map->_load_objects ("/tmp/x.map", 1);
		3343	my $t = Event::time - $t;
		3344
		3345	#next unless $t < 0.0013;#d#
		3346	if ($t < $min) {
		3347	$min = $t;
		3348	}
		3349	$avg = $avg * 0.99 + $t * 0.01;
		3350	}
		3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3352	exit 0;
		3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3354	};
		3355
2397	$RUNTIME += $TICK;	3356	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3357	$NEXT_TICK += $TICK;
2399		3358
2400	$WAIT_FOR_TICK->broadcast;	3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3361	Coro::async_pool {
		3362	write_runtime
		3363	or warn "ERROR: unable to write runtime file: $!";
		3364	};
		3365	}
		3366
		3367	# my $AFTER = Event::time;
		3368	# warn $AFTER - $NOW;#d#
		3369
		3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3371	$sig->send;
		3372	}
		3373	while (my $sig = shift @WAIT_FOR_TICK) {
		3374	$sig->send;
		3375	}
		3376
		3377	$NOW = Event::time;
2402		3378
2403	# if we are delayed by four ticks or more, skip them all	3379	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3381
2406	$TICK_WATCHER->at ($NEXT_TICK);	3382	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3383	$TICK_WATCHER->start;
		3384
		3385	$LOAD = ($NOW - $tick_start) / $TICK;
		3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3387
		3388	_post_tick;
		3389
		3390
2408	},	3391	},
2409	);	3392	);
2410		3393
		3394	{
		3395	BDB::max_poll_time $TICK * 0.1;
		3396	$BDB_POLL_WATCHER = Event->io (
		3397	reentrant => 0,
		3398	fd => BDB::poll_fileno,
		3399	poll => 'r',
		3400	prio => 0,
		3401	data => WF_AUTOCANCEL,
		3402	cb => \&BDB::poll_cb,
		3403	);
		3404	BDB::min_parallel 8;
		3405
		3406	BDB::set_sync_prepare {
		3407	my $status;
		3408	my $current = $Coro::current;
		3409	(
		3410	sub {
		3411	$status = $!;
		3412	$current->ready; undef $current;
		3413	},
		3414	sub {
		3415	Coro::schedule while defined $current;
		3416	$! = $status;
		3417	},
		3418	)
		3419	};
		3420
		3421	unless ($DB_ENV) {
		3422	$DB_ENV = BDB::db_env_create;
		3423
		3424	cf::sync_job {
		3425	eval {
		3426	BDB::db_env_open
		3427	$DB_ENV,
		3428	$BDBDIR,
		3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3431	0666;
		3432
		3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3434
		3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3436	$DB_ENV->set_lk_detect;
		3437	};
		3438
		3439	cf::cleanup "db_env_open(db): $@" if $@;
		3440	};
		3441	}
		3442	}
		3443
		3444	{
		3445	IO::AIO::min_parallel 8;
		3446
		3447	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3448	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3449	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3450	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,	3451	data => WF_AUTOCANCEL,
2423	after => 0,	3452	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3453	poll => 'r',
2425	cb => sub {	3454	prio => 6,
2426	(Coro::unblock_sub {	3455	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3456	);
2428	or warn "ERROR: unable to write runtime file: $!";	3457	}
		3458
		3459	my $_log_backtrace;
		3460
		3461	sub _log_backtrace {
		3462	my ($msg, @addr) = @_;
		3463
		3464	$msg =~ s/\n//;
		3465
		3466	# limit the # of concurrent backtraces
		3467	if ($_log_backtrace < 2) {
		3468	++$_log_backtrace;
		3469	async {
		3470	my @bt = fork_call {
		3471	@addr = map { sprintf "%x", $_ } @addr;
		3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3474	or die "addr2line: $!";
		3475
		3476	my @funcs;
		3477	my @res = <$fh>;
		3478	chomp for @res;
		3479	while (@res) {
		3480	my ($func, $line) = splice @res, 0, 2, ();
		3481	push @funcs, "[$func] $line";
		3482	}
		3483
		3484	@funcs
		3485	};
		3486
		3487	LOG llevInfo, "[ABT] $msg\n";
		3488	LOG llevInfo, "[ABT] $_\n" for @bt;
		3489	--$_log_backtrace;
2429	})->();	3490	};
		3491	} else {
		3492	LOG llevInfo, "[ABT] $msg\n";
		3493	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3494	}
2431	);	3495	}
		3496
		3497	# load additional modules
		3498	use cf::pod;
2432		3499
2433	END { cf::emergency_save }	3500	END { cf::emergency_save }
2434		3501
2435	1	3502	1
2436		3503

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