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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.181 by root, Fri Jan 19 15:29:52 2007 UTC vs.
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # 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
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
553		806
554	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		811
559	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	813	my $pkg = shift @arg;
561		814
562	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
592	}	845	}
593		846
594	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
595	} else {	848	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	850	}
598		851
599	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
600	}	853	}
601		854
…		…
603	if (ref $_[0]) {	856	if (ref $_[0]) {
604	_object_attach @_;	857	_object_attach @_;
605	} else {	858	} else {
606	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
607	}	860	}
		861	_recalc_want;
608	};	862	};
609		863
610	# all those should be optimised	864	# all those should be optimised
611	sub cf::attachable::detach {	865	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
616	reattach ($obj);	870	reattach ($obj);
617	} else {	871	} else {
618	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
619	}	873	}
		874	_recalc_want;
620	};	875	};
621		876
622	sub cf::attachable::attached {	877	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
624		879
…		…
639	";	894	";
640	die if $@;	895	die if $@;
641	}	896	}
642		897
643	our $override;	898	our $override;
644	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?
645		900
646	sub override {	901	sub override {
647	$override = 1;	902	$override = 1;
648	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
649	}	904	}
650		905
651	sub do_invoke {	906	sub do_invoke {
652	my $event = shift;	907	my $event = shift;
653	my $callbacks = shift;	908	my $callbacks = shift;
654		909
655	@invoke_results = ();	910	@INVOKE_RESULTS = ();
656		911
657	local $override;	912	local $override;
658		913
659	for (@$callbacks) {	914	for (@$callbacks) {
660	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
677		932
678	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
679		934
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		938
684	=back	939	=back
685		940
686	=cut	941	=cut
687		942
688	#############################################################################	943	#############################################################################
689	# 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	}
690		956
691	sub reattach {	957	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	959	my ($obj) = @_;
694		960
…		…
747	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
748		1014
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1019	close $fh;
754		1020
755	if (@$objs) {	1021	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1027	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
763	}	1029	}
764	} else {	1030	} else {
765	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
797	or return;	1063	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1065	}
800		1066
801	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1069	return ($data, $av);
804	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
805		1077
806	#############################################################################	1078	#############################################################################
807	# command handling &c	1079	# command handling &c
808		1080
809	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1095	}
824		1096
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1098
827	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.
828		1104
829	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
830	called.	1106	called.
831		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
832	=cut	1119	=cut
833		1120
834	sub register_extcmd {	1121	sub register_extcmd {
835	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
836		1123
837	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
838	}	1131	}
839		1132
840	cf::player->attach (	1133	cf::player->attach (
841	on_command => sub {	1134	on_command => sub {
842	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1144	cf::override;
852	},	1145	},
853	on_extcmd => sub {	1146	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
855		1148
856	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1150
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
864	} else {	1166	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1168	}
867		1169
868	cf::override;	1170	cf::override;
869	},	1171	},
870	);	1172	);
871		1173
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
907	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1179	next unless -r $path;
909	eval {	1180
910	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;
911	1	1238	}
912	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
913	}	1244	};
914	}	1245	}
915		1246
916	#############################################################################	1247	#############################################################################
917		1248
		1249	=back
		1250
918	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
919		1252
920	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
921		1254
922	=cut	1255	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
935		1268
936	=cut	1269	=cut
937		1270
938	sub playerdir($) {	1271	sub playerdir($) {
939	cf::localdir	1272	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1274	}
945		1275
946	sub path($) {	1276	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1278
949	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
950	}	1280	}
951		1281
952	sub find_active($) {	1282	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1297	my $login = $_[0];
968		1298
969	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
970		1300
971	$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
972	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
973	or return;	1310	or return;
974	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
975	}	1312	}
976	}	1313	}
…		…
988		1325
989	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
991		1328
992	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
993	Coro::cede;	1330	cf::cede_to_tick;
994	}	1331	}
995		1332
996	sub new($) {	1333	sub new($) {
997	my ($login) = @_;	1334	my ($login) = @_;
998		1335
…		…
1004	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1005		1342
1006	$self	1343	$self
1007	}	1344	}
1008		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
1009	=item $pl->quit_character	1356	=item $pl->quit_character
1010		1357
1011	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
1012	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1013		1360
1014	=cut	1361	=cut
1015		1362
1016	sub quit_character {	1363	sub quit_character {
1017	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1018		1367
1019	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1020	$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
1021		1370
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1402	}
1034		1403
1035	=item cf::player::list_logins	1404	=item cf::player::list_logins
1036		1405
1037	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
1038	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1039		1408
1040	=cut	1409	=cut
1041		1410
1042	sub list_logins {	1411	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1413	or return [];
1045		1414
1046	my @logins;	1415	my @logins;
1047		1416
1048	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1065	=cut	1434	=cut
1066		1435
1067	sub maps($) {	1436	sub maps($) {
1068	my ($pl) = @_;	1437	my ($pl) = @_;
1069		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
1070	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1071	or return;	1442	or return;
1072		1443
1073	my @paths;	1444	my @paths;
1074		1445
1075	for (@$files) {	1446	for (@$files) {
1076	utf8::decode $_;	1447	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1079		1450
1080	s/\.map$//;	1451	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1452	}
1083		1453
1084	\@paths	1454	\@paths
1085	}	1455	}
1086		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/(?<![BIUGHT])</&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	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1088		1509
1089	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1090		1511
1091	=cut	1512	=cut
1092		1513
1093	sub ext_reply($$$%) {	1514	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1095		1516
1096	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1518	}
1100		1519
1101	package cf;	1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
		1547	my ($path) = @_;
		1548
		1549	my ($match, $specificity);
		1550
		1551	for my $region (list) {
		1552	if ($region->{match} && $path =~ $region->{match}) {
		1553	($match, $specificity) = ($region, $region->specificity)
		1554	if $region->specificity > $specificity;
		1555	}
		1556	}
		1557
		1558	$match
		1559	}
1102		1560
1103	=back	1561	=back
1104
1105		1562
1106	=head3 cf::map	1563	=head3 cf::map
1107		1564
1108	=over 4	1565	=over 4
1109		1566
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1595	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1596	)
1140	}	1597	}
1141		1598
		1599	=item cf::map->register ($regex, $prio)
		1600
		1601	Register a handler for the map path matching the given regex at the
		1602	givne priority (higher is better, built-in handlers have priority 0, the
		1603	default).
		1604
		1605	=cut
		1606
1142	sub register {	1607	sub register {
1143	my (undef, $regex) = @_;	1608	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1609	my $pkg = caller;
1145		1610
1146	no strict;	1611	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1612	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1613
1149	$EXT_MAP{$pkg} = qr<$regex>;	1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1615	}
1151		1616
1152	# also paths starting with '/'	1617	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1619
1155	sub thawer_merge {	1620	sub thawer_merge {
1156	my ($self, $merge) = @_;	1621	my ($self, $merge) = @_;
1157		1622
1158	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1159	local $self->{path};	1624	local $self->{path};
1160	local $self->{load_path};	1625	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1626
1164	$self->SUPER::thawer_merge ($merge);	1627	$self->SUPER::thawer_merge ($merge);
1165	}	1628	}
1166		1629
1167	sub normalise {	1630	sub normalise {
1168	my ($path, $base) = @_;	1631	my ($path, $base) = @_;
		1632
		1633	$path = "$path"; # make sure its a string
		1634
		1635	$path =~ s/\.map$//;
1169		1636
1170	# map plan:	1637	# map plan:
1171	#	1638	#
1172	# /! non-realised random map exit (special hack!)	1639	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1640	# {... are special paths that are not being touched
…		…
1201		1668
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1669	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1670
1204	$path = normalise $path, $base;	1671	$path = normalise $path, $base;
1205		1672
1206	for my $pkg (keys %EXT_MAP) {	1673	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1674	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1675	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1676	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1211	return $self;	1678	return $self;
1212	}	1679	}
1213	}	1680	}
1214		1681
1215	Carp::carp "unable to resolve path '$path'.";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1683	()
1217	}	1684	}
1218		1685
1219	sub init {	1686	sub init {
1220	my ($self) = @_;	1687	my ($self) = @_;
…		…
1235		1702
1236	# the original (read-only) location	1703	# the original (read-only) location
1237	sub load_path {	1704	sub load_path {
1238	my ($self) = @_;	1705	my ($self) = @_;
1239		1706
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1707	"$MAPDIR/$self->{path}.map"
1241	}	1708	}
1242		1709
1243	# the temporary/swap location	1710	# the temporary/swap location
1244	sub save_path {	1711	sub save_path {
1245	my ($self) = @_;	1712	my ($self) = @_;
1246		1713
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1715	"$TMPDIR/$path.map"
1249	}	1716	}
1250		1717
1251	# the unique path, undef == no special unique path	1718	# the unique path, undef == no special unique path
1252	sub uniq_path {	1719	sub uniq_path {
1253	my ($self) = @_;	1720	my ($self) = @_;
1254		1721
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1723	"$UNIQUEDIR/$path"
1257	}	1724	}
1258		1725
1259	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1260	# all maps in C++...	1727	# all maps in C++...
1261	sub change_all_map_light {	1728	sub change_all_map_light {
…		…
1263		1730
1264	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
1266	}	1733	}
1267		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
		1741	}
		1742
1268	sub unlink_save {	1743	sub unlink_save {
1269	my ($self) = @_;	1744	my ($self) = @_;
1270		1745
1271	utf8::encode (my $save = $self->save_path);	1746	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1750
1276	sub load_header_from($) {	1751	sub load_header_from($) {
1277	my ($self, $path) = @_;	1752	my ($self, $path) = @_;
1278		1753
1279	utf8::encode $path;	1754	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
1281	or return;	1756	# or return;
1282		1757
1283	$self->_load_header ($path)	1758	$self->_load_header ($path)
1284	or return;	1759	or return;
1285		1760
1286	$self->{load_path} = $path;	1761	$self->{load_path} = $path;
1287		1762
1288	1	1763	1
1289	}	1764	}
1290		1765
1291	sub load_orig {	1766	sub load_header_orig {
1292	my ($self) = @_;	1767	my ($self) = @_;
1293		1768
1294	$self->load_header_from ($self->load_path)	1769	$self->load_header_from ($self->load_path)
1295	}	1770	}
1296		1771
1297	sub load_temp {	1772	sub load_header_temp {
1298	my ($self) = @_;	1773	my ($self) = @_;
1299		1774
1300	$self->load_header_from ($self->save_path)	1775	$self->load_header_from ($self->save_path)
		1776	}
		1777
		1778	sub prepare_temp {
		1779	my ($self) = @_;
		1780
		1781	$self->last_access ((delete $self->{last_access})
		1782	|| $cf::RUNTIME); #d#
		1783	# safety
		1784	$self->{instantiate_time} = $cf::RUNTIME
		1785	if $self->{instantiate_time} > $cf::RUNTIME;
		1786	}
		1787
		1788	sub prepare_orig {
		1789	my ($self) = @_;
		1790
		1791	$self->{load_original} = 1;
		1792	$self->{instantiate_time} = $cf::RUNTIME;
		1793	$self->last_access ($cf::RUNTIME);
		1794	$self->instantiate;
1301	}	1795	}
1302		1796
1303	sub load_header {	1797	sub load_header {
1304	my ($self) = @_;	1798	my ($self) = @_;
1305		1799
1306	if ($self->load_temp) {	1800	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1801	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1802	} else {
1313	$self->load_orig	1803	$self->load_header_orig
1314	or return;	1804	or return;
1315		1805	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1806	}
		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
		1811	$self->default_region (cf::region::find_by_path $self->{path})
		1812	unless $self->default_region;
1321		1813
1322	1	1814	1
1323	}	1815	}
1324		1816
1325	sub find;	1817	sub find;
…		…
1338	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1339		1831
1340	$map->load_header	1832	$map->load_header
1341	or return;	1833	or return;
1342		1834
1343	if ($map->should_reset) {	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1836	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1345	$map->reset;	1838	$map->reset;
1346	undef $guard;	1839	undef $guard;
1347	$map = find $path	1840	return find $path;
1348	or return;
1349	}	1841	}
1350		1842
1351	$cf::MAP{$path} = $map	1843	$cf::MAP{$path} = $map
1352	}	1844	}
1353	}	1845	}
		1846
		1847	sub pre_load { }
		1848	sub post_load { }
1354		1849
1355	sub load {	1850	sub load {
1356	my ($self) = @_;	1851	my ($self) = @_;
1357		1852
		1853	local $self->{deny_reset} = 1; # loading can take a long time
		1854
1358	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1359	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1360		1860
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1362		1862
1363	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1364		1864
1365	$self->alloc;	1865	$self->alloc;
		1866
		1867	$self->pre_load;
		1868	cf::cede_to_tick;
		1869
1366	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1367	or return;	1871	or return;
1368		1872
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	1874	if delete $self->{load_original};
1371		1875
1372	if (my $uniq = $self->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	1877	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1375	$self->clear_unique_items;	1879	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1377	}	1881	}
1378	}	1882	}
1379		1883
1380	Coro::cede;	1884	cf::cede_to_tick;
1381
1382	# now do the right thing for maps	1885	# now do the right thing for maps
1383	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1888	unless $self->difficulty;
1393	Coro::cede;	1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1394	$self->activate;	1898	$self->activate;
1395	}	1899	}
1396		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
		1903
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
		1905	}
		1906
		1907	$self->post_load;
1398	}	1908	}
1399		1909
1400	sub customise_for {	1910	sub customise_for {
1401	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1402		1912
1403	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1914	if $self->per_player;
1405		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1406	$self	1919	$self
1407	}	1920	}
1408		1921
1409	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	1923	sub load_neighbours {
1411	my ($map) = @_;	1924	my ($map) = @_;
1412		1925
1413	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1414		1927
1415	for (0 .. 3) {	1928	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1417	or next;	1930	or next;
1418	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1419	or next;	1932	or next;
1420	$neigh->load;	1933	$neigh->load;
1421		1934
		1935	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	1938	}
1425		1939
1426	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1428	or next;	1943	or next;
1429	$neigh->load;	1944	$neigh->load;
1430	}	1945	}
1431	}	1946	}
1432		1947
…		…
1437	}	1952	}
1438		1953
1439	sub do_load_sync {	1954	sub do_load_sync {
1440	my ($map) = @_;	1955	my ($map) = @_;
1441		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1442	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1443	}	1961	}
1444		1962
1445	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	1964	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		1965
1459	sub find_async {	1966	sub find_async {
1460	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1461		1968
1462	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1463		1970
1464	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1973	}
		1974
		1975	$MAP_PREFETCH{$path} |= $load;
		1976
		1977	$MAP_PREFETCHER ||= cf::async {
		1978	while (%MAP_PREFETCH) {
		1979	while (my ($k, $v) = each %MAP_PREFETCH) {
		1980	if (my $map = find $k) {
		1981	$map->load if $v;
		1982	}
		1983
		1984	delete $MAP_PREFETCH{$k};
		1985	}
		1986	}
		1987	undef $MAP_PREFETCHER;
1466	}	1988	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	1989	$MAP_PREFETCHER->prio (6);
1470		1990
1471	()	1991	()
1472	}	1992	}
1473		1993
1474	sub save {	1994	sub save {
1475	my ($self) = @_;	1995	my ($self) = @_;
1476		1996
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		1998
1479	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1480		2000
1481	return unless $self->dirty;	2001	return unless $self->dirty;
1482		2002
…		…
1505	my ($self) = @_;	2025	my ($self) = @_;
1506		2026
1507	# save first because save cedes	2027	# save first because save cedes
1508	$self->save;	2028	$self->save;
1509		2029
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2031
1512	return if $self->players;	2032	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};	2034	return if $self->{deny_save};
1515		2035
…		…
1519		2039
1520	sub reset_at {	2040	sub reset_at {
1521	my ($self) = @_;	2041	my ($self) = @_;
1522		2042
1523	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1526		2045
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2048
…		…
1540	my ($self) = @_;	2059	my ($self) = @_;
1541		2060
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2062
1544	return if $self->players;	2063	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2064
1547	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
		2066
		2067	$self->in_memory (cf::MAP_SWAPPED);
		2068
		2069	# need to save uniques path
		2070	unless ($self->{deny_save}) {
		2071	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2072
		2073	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2074	if $uniq;
		2075	}
1548		2076
1549	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
1550		2078
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	$self->clear;	2079	$self->clear;
1553		2080
1554	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1555		2082
1556	$self->unlink_save;	2083	$self->unlink_save;
…		…
1560	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1561		2088
1562	sub nuke {	2089	sub nuke {
1563	my ($self) = @_;	2090	my ($self) = @_;
1564		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1565	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1566		2096
1567	$self->unlink_save;	2097	$self->unlink_save;
1568		2098
1569	bless $self, "cf::map";	2099	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2104
1575	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1576		2107
1577	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1578	}	2145	}
1579		2146
1580	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1581		2148
1582	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2150	instantiated unique items. May block.
1584		2151
1585	=cut	2152	=cut
1586		2153
1587	sub unique_maps() {	2154	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2155	[
1589	or return;	2156	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2157	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2158	/\.map$/
1599	push @paths, $_;	2159	? normalise $_
		2160	: ()
		2161	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2162	]
1601
1602	\@paths
1603	}	2163	}
1604		2164
1605	package cf;	2165	package cf;
1606		2166
1607	=back	2167	=back
…		…
1653		2213
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2215
1656	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1658	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1661	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1662	}	2241	}
1663		2242
1664	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1665		2244
1666	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2277	=cut
1699		2278
1700	sub link_map {	2279	sub link_map {
1701	unless ($LINK_MAP) {	2280	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2281	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2282	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2283	$LINK_MAP->load;
1705	}	2284	}
1706		2285
1707	$LINK_MAP	2286	$LINK_MAP
1708	}	2287	}
…		…
1713	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1714		2293
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2295
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1719		2298
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2300	}
1722		2301
1723	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1725		2306
1726	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1727		2308
1728	unless ($map) {	2309	unless ($map) {
1729	# restore original map position	2310	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1746		2327
1747	$map->load;	2328	$map->load;
1748	$map->load_diag;	2329	$map->load_neighbours;
1749		2330
1750	return unless $self->contr->active;	2331	return unless $self->contr->active;
1751	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1753	}	2336	}
1754		2337
1755	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2339
1759	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1763	};	2344	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2345
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1790		2349
1791	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2355
1794	$self->enter_link;	2356	$self->enter_link;
1795		2357
1796	(async {	2358	(async {
		2359	my $map = eval {
1797	my $map = cf::map::find $path;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
1799		2364	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2365	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
1804		2368
		2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
		2375	}
		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1806	})->prio (1);	2383	})->prio (1);
1807	}	2384	}
1808		2385
1809	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1810		2387
…		…
1815		2392
1816	my $rmp = { # defaults	2393	my $rmp = { # defaults
1817	xsize => (cf::rndm 15, 40),	2394	xsize => (cf::rndm 15, 40),
1818	ysize => (cf::rndm 15, 40),	2395	ysize => (cf::rndm 15, 40),
1819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),	2396	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1820	#layout => string	2397	#layout => string,
1821	};	2398	};
1822		2399
1823	for (split /\n/, $spec) {	2400	for (split /\n/, $spec) {
1824	my ($k, $v) = split /\s+/, $_, 2;	2401	my ($k, $v) = split /\s+/, $_, 2;
1825		2402
…		…
1839	# that depends on the exit object	2416	# that depends on the exit object
1840		2417
1841	my $rmp = parse_random_map_params $exit->msg;	2418	my $rmp = parse_random_map_params $exit->msg;
1842		2419
1843	if ($exit->map) {	2420	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2421	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2422	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2423	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2424	$rmp->{origin_y} = $exit->y;
1848	}	2425	}
1849		2426
1850	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1851		2428
1852	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1853	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2431	my $meta = "$RANDOMDIR/$md5.meta";
1855		2432
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2435	undef $fh;
1859	aio_rename "$meta~", $meta;	2436	aio_rename "$meta~", $meta;
…		…
1866	sub cf::object::player::enter_exit {	2443	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2444	my ($self, $exit) = @_;
1868		2445
1869	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1870		2447
		2448	if ($exit->slaying eq "/!") {
		2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
		2452	cf::sync_job { prepare_random_map $exit };
		2453	}
		2454
		2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2456	my $hp = $exit->stats->hp;
		2457	my $sp = $exit->stats->sp;
		2458
1871	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1872		2464
1873	(async {	2465	(async {
1874	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1875	unless (eval {	2467	unless (eval {
1876	prepare_random_map $exit	2468	$self->goto ($slaying, $hp, $sp);
1877	if $exit->slaying eq "/!";
1878
1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1881		2469
1882	1;	2470	1;
1883	}) {	2471	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1885	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1886	. "Please report this to the dungeon master!",	2474	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2476
1889	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1890	$self->leave_link;	2478	$self->leave_link;
1891	}	2479	}
1892	})->prio (1);	2480	})->prio (1);
…		…
1905		2493
1906	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1908		2496
1909	utf8::encode $text;	2497	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2499	}
1912		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel);
		2540	}
		2541
		2542	$channel = $channel->{id};
		2543	}
		2544
		2545	return unless @extra || length $msg;
		2546
		2547	if ($self->can_msg) {
		2548	# default colour, mask it out
		2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2550	if $color & cf::NDI_DEF;
		2551
		2552	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2554	} else {
		2555	if ($color >= 0) {
		2556	# replace some tags by gcfclient-compatible ones
		2557	for ($msg) {
		2558	1 while
		2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2564	}
		2565
		2566	$color &= cf::NDI_COLOR_MASK;
		2567
		2568	utf8::encode $msg;
		2569
		2570	if (0 && $msg =~ /\[/) {
		2571	# COMMAND/INFO
		2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2573	} else {
		2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2575	$self->send_packet ("drawinfo $color $msg")
		2576	}
		2577	}
		2578	}
		2579	}
		2580
		2581	=item $client->ext_msg ($type, @msg)
		2582
		2583	Sends an ext event to the client.
		2584
		2585	=cut
		2586
		2587	sub cf::client::ext_msg($$@) {
		2588	my ($self, $type, @msg) = @_;
		2589
		2590	if ($self->extcmd == 2) {
		2591	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2592	} elsif ($self->extcmd == 1) { # TODO: remove
		2593	push @msg, msgtype => "event_$type";
		2594	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2595	}
		2596	}
		2597
		2598	=item $client->ext_reply ($msgid, @msg)
		2599
		2600	Sends an ext reply to the client.
		2601
		2602	=cut
		2603
		2604	sub cf::client::ext_reply($$@) {
		2605	my ($self, $id, @msg) = @_;
		2606
		2607	if ($self->extcmd == 2) {
		2608	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2609	} elsif ($self->extcmd == 1) {
		2610	#TODO: version 1, remove
		2611	unshift @msg, msgtype => "reply", msgid => $id;
		2612	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2613	}
		2614	}
1913		2615
1914	=item $success = $client->query ($flags, "text", \&cb)	2616	=item $success = $client->query ($flags, "text", \&cb)
1915		2617
1916	Queues a query to the client, calling the given callback with	2618	Queues a query to the client, calling the given callback with
1917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2619	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2620	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1919		2621
1920	Queries can fail, so check the return code. Or don't, as queries will become	2622	Queries can fail, so check the return code. Or don't, as queries will
1921	reliable at some point in the future.	2623	become reliable at some point in the future.
1922		2624
1923	=cut	2625	=cut
1924		2626
1925	sub cf::client::query {	2627	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	2628	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	2636	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2637	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		2638
1937	$self->send_packet ($self->{query_queue}[0][0])	2639	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	2640	if @{ $self->{query_queue} } == 1;
		2641
		2642	1
1939	}	2643	}
1940		2644
1941	cf::client->attach (	2645	cf::client->attach (
		2646	on_connect => sub {
		2647	my ($ns) = @_;
		2648
		2649	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2650	},
1942	on_reply => sub {	2651	on_reply => sub {
1943	my ($ns, $msg) = @_;	2652	my ($ns, $msg) = @_;
1944		2653
1945	# this weird shuffling is so that direct followup queries	2654	# this weird shuffling is so that direct followup queries
1946	# get handled first	2655	# get handled first
1947	my $queue = delete $ns->{query_queue}	2656	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	2657	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		2658
1950	(shift @$queue)->[1]->($msg);	2659	(shift @$queue)->[1]->($msg);
		2660	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		2661
1952	push @{ $ns->{query_queue} }, @$queue;	2662	push @{ $ns->{query_queue} }, @$queue;
1953		2663
1954	if (@{ $ns->{query_queue} } == @$queue) {	2664	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	2665	if (@$queue) {
…		…
1957	} else {	2667	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2668	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	2669	}
1960	}	2670	}
1961	},	2671	},
		2672	on_exticmd => sub {
		2673	my ($ns, $buf) = @_;
		2674
		2675	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2676
		2677	if (ref $msg) {
		2678	my ($type, $reply, @payload) =
		2679	"ARRAY" eq ref $msg
		2680	? @$msg
		2681	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2682
		2683	my @reply;
		2684
		2685	if (my $cb = $EXTICMD{$type}) {
		2686	@reply = $cb->($ns, @payload);
		2687	}
		2688
		2689	$ns->ext_reply ($reply, @reply)
		2690	if $reply;
		2691
		2692	} else {
		2693	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2694	}
		2695
		2696	cf::override;
		2697	},
1962	);	2698	);
1963		2699
1964	=item $client->async (\&cb)	2700	=item $client->async (\&cb)
1965		2701
1966	Create a new coroutine, running the specified callback. The coroutine will	2702	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007	our $safe = new Safe "safe";	2743	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	2744	our $safe_hole = new Safe::Hole;
2009		2745
2010	$SIG{FPE} = 'IGNORE';	2746	$SIG{FPE} = 'IGNORE';
2011		2747
2012	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2748	$safe->permit_only (Opcode::opset qw(
		2749	:base_core :base_mem :base_orig :base_math
		2750	grepstart grepwhile mapstart mapwhile
		2751	sort time
		2752	));
2013		2753
2014	# here we export the classes and methods available to script code	2754	# here we export the classes and methods available to script code
2015		2755
2016	=pod	2756	=pod
2017		2757
2018	The following fucntions and emthods are available within a safe environment:	2758	The following functions and methods are available within a safe environment:
2019		2759
2020	cf::object contr pay_amount pay_player map	2760	cf::object
		2761	contr pay_amount pay_player map x y force_find force_add
		2762	insert remove name archname title slaying race decrease_ob_nr
		2763
2021	cf::object::player player	2764	cf::object::player
2022	cf::player peaceful	2765	player
2023	cf::map trigger	2766
		2767	cf::player
		2768	peaceful
		2769
		2770	cf::map
		2771	trigger
2024		2772
2025	=cut	2773	=cut
2026		2774
2027	for (	2775	for (
2028	["cf::object" => qw(contr pay_amount pay_player map)],	2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2777	insert remove inv name archname title slaying race
		2778	decrease_ob_nr)],
2029	["cf::object::player" => qw(player)],	2779	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	2780	["cf::player" => qw(peaceful)],
2031	["cf::map" => qw(trigger)],	2781	["cf::map" => qw(trigger)],
2032	) {	2782	) {
2033	no strict 'refs';	2783	no strict 'refs';
…		…
2104	=back	2854	=back
2105		2855
2106	=cut	2856	=cut
2107		2857
2108	#############################################################################	2858	#############################################################################
		2859	# the server's init and main functions
2109		2860
2110	=head2 EXTENSION DATABASE SUPPORT	2861	sub load_facedata($) {
		2862	my ($path) = @_;
2111		2863
2112	Crossfire maintains a very simple database for extension use. It can	2864	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	2865	# for this (global event?)
2114	excludes objects.	2866	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		2867
2116	The parameter C<$family> should best start with the name of the extension	2868	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		2869
2119	=over 4	2870	warn "loading facedata from $path\n";
2120		2871
2121	=item $hashref = cf::db_get $family	2872	my $facedata;
		2873	0 < aio_load $path, $facedata
		2874	or die "$path: $!";
2122		2875
2123	Return a hashref for use by the extension C<$family>, which can be	2876	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		2877
2127	=item $value = cf::db_get $family => $key	2878	$facedata->{version} == 2
		2879	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		2880
2129	Returns a single value from the database	2881	# patch in the exptable
2130		2882	$facedata->{resource}{"res/exp_table"} = {
2131	=item cf::db_put $family => $hashref	2883	type => FT_RSRC,
2132		2884	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2133	Stores the given family hashref into the database. Updates are delayed, if
2134	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_put $family => $key => $value
2137
2138	Stores the given C<$value> in the family hash. Updates are delayed, if you
2139	want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141	=item cf::db_dirty
2142
2143	Marks the database as dirty, to be updated at a later time.
2144
2145	=item cf::db_sync
2146
2147	Immediately write the database to disk I<if it is dirty>.
2148
2149	=cut
2150
2151	our $DB;
2152
2153	{
2154	my $path = cf::localdir . "/database.pst";
2155
2156	sub db_load() {
2157	$DB = stat $path ? Storable::retrieve $path : { };
2158	}
2159
2160	my $pid;
2161
2162	sub db_save() {
2163	waitpid $pid, 0 if $pid;
2164	if (0 == ($pid = fork)) {
2165	$DB->{_meta}{version} = 1;
2166	Storable::nstore $DB, "$path~";
2167	rename "$path~", $path;
2168	cf::_exit 0 if defined $pid;
2169	}
2170	}
2171
2172	my $dirty;
2173
2174	sub db_sync() {
2175	db_save if $dirty;
2176	undef $dirty;
2177	}
2178
2179	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180	db_sync;
2181	});	2885	};
		2886	cf::cede_to_tick;
2182		2887
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	2888	{
		2889	my $faces = $facedata->{faceinfo};
2187		2890
2188	sub db_get($;$) {	2891	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}	2893	cf::face::set_visibility $idx, $info->{visibility};
2191	: ($DB->{$_[0]} ||= { })	2894	cf::face::set_magicmap $idx, $info->{magicmap};
2192	}	2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2193		2897
2194	sub db_put($$;$) {	2898	cf::cede_to_tick;
2195	if (@_ >= 3) {
2196	$DB->{$_[0]}{$_[1]} = $_[2];
2197	} else {
2198	$DB->{$_[0]} = $_[1];
2199	}
2200	db_dirty;
2201	}
2202
2203	cf::global->attach (
2204	prio => 10000,
2205	on_cleanup => sub {
2206	db_sync;
2207	},	2899	}
2208	);
2209	}
2210		2900
2211	#############################################################################	2901	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	2902	next unless $info->{smooth};
		2903	my $idx = cf::face::find $face
		2904	or next;
		2905	if (my $smooth = cf::face::find $info->{smooth}) {
		2906	cf::face::set_smooth $idx, $smooth;
		2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2908	} else {
		2909	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2910	}
2213		2911
2214	sub cfg_load {	2912	cf::cede_to_tick;
		2913	}
		2914	}
		2915
		2916	{
		2917	my $anims = $facedata->{animinfo};
		2918
		2919	while (my ($anim, $info) = each %$anims) {
		2920	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2921	cf::cede_to_tick;
		2922	}
		2923
		2924	cf::anim::invalidate_all; # d'oh
		2925	}
		2926
		2927	{
		2928	# TODO: for gcfclient pleasure, we should give resources
		2929	# that gcfclient doesn't grok a >10000 face index.
		2930	my $res = $facedata->{resource};
		2931
		2932	my $soundconf = delete $res->{"res/sound.conf"};
		2933
		2934	while (my ($name, $info) = each %$res) {
		2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2936	my $data;
		2937
		2938	if ($info->{type} & 1) {
		2939	# prepend meta info
		2940
		2941	my $meta = $enc->encode ({
		2942	name => $name,
		2943	%{ $info->{meta} || {} },
		2944	});
		2945
		2946	$data = pack "(w/a*)*", $meta, $info->{data};
		2947	} else {
		2948	$data = $info->{data};
		2949	}
		2950
		2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2952	cf::face::set_type $idx, $info->{type};
		2953
		2954	cf::cede_to_tick;
		2955	}
		2956
		2957	if ($soundconf) {
		2958	$soundconf = $enc->decode (delete $soundconf->{data});
		2959
		2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2961	my $sound = $soundconf->{compat}[$_]
		2962	or next;
		2963
		2964	my $face = cf::face::find "sound/$sound->[1]";
		2965	cf::sound::set $sound->[0] => $face;
		2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2967	}
		2968
		2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2970	my $face = cf::face::find "sound/$v";
		2971	cf::sound::set $k => $face;
		2972	}
		2973	}
		2974	}
		2975
		2976	1
		2977	}
		2978
		2979	register_exticmd fx_want => sub {
		2980	my ($ns, $want) = @_;
		2981
		2982	while (my ($k, $v) = each %$want) {
		2983	$ns->fx_want ($k, $v);
		2984	}
		2985	};
		2986
		2987	sub reload_regions {
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	load_resource_file "$MAPDIR/regions"
		2993	or die "unable to load regions file\n";
		2994
		2995	for (cf::region::list) {
		2996	$_->{match} = qr/$_->{match}/
		2997	if exists $_->{match};
		2998	}
		2999	}
		3000
		3001	sub reload_facedata {
		3002	load_facedata "$DATADIR/facedata"
		3003	or die "unable to load facedata\n";
		3004	}
		3005
		3006	sub reload_archetypes {
		3007	load_resource_file "$DATADIR/archetypes"
		3008	or die "unable to load archetypes\n";
		3009	#d# NEED to laod twice to resolve forward references
		3010	# this really needs to be done in an extra post-pass
		3011	# (which needs to be synchronous, so solve it differently)
		3012	load_resource_file "$DATADIR/archetypes"
		3013	or die "unable to load archetypes\n";
		3014	}
		3015
		3016	sub reload_treasures {
		3017	load_resource_file "$DATADIR/treasures"
		3018	or die "unable to load treasurelists\n";
		3019	}
		3020
		3021	sub reload_resources {
		3022	warn "reloading resource files...\n";
		3023
		3024	reload_regions;
		3025	reload_facedata;
		3026	#reload_archetypes;#d#
		3027	reload_archetypes;
		3028	reload_treasures;
		3029
		3030	warn "finished reloading resource files\n";
		3031	}
		3032
		3033	sub init {
		3034	reload_resources;
		3035	}
		3036
		3037	sub reload_config {
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3038	open my $fh, "<:utf8", "$CONFDIR/config"
2216	or return;	3039	or return;
2217		3040
2218	local $/;	3041	local $/;
2219	*CFG = YAML::Syck::Load <$fh>;	3042	*CFG = YAML::Syck::Load <$fh>;
2220		3043
…		…
2239	(async {	3062	(async {
2240	Event::one_event;	3063	Event::one_event;
2241	})->prio (Coro::PRIO_MAX);	3064	})->prio (Coro::PRIO_MAX);
2242	};	3065	};
2243		3066
2244	cfg_load;	3067	reload_config;
2245	db_load;	3068	db_init;
2246	load_extensions;	3069	load_extensions;
		3070
		3071	$TICK_WATCHER->start;
2247	Event::loop;	3072	Event::loop;
2248	}	3073	}
2249		3074
2250	#############################################################################	3075	#############################################################################
2251	# initialisation and cleanup	3076	# initialisation and cleanup
2252		3077
2253	# install some emergency cleanup handlers	3078	# install some emergency cleanup handlers
2254	BEGIN {	3079	BEGIN {
2255	for my $signal (qw(INT HUP TERM)) {	3080	for my $signal (qw(INT HUP TERM)) {
2256	Event->signal (	3081	Event->signal (
		3082	reentrant => 0,
2257	data => WF_AUTOCANCEL,	3083	data => WF_AUTOCANCEL,
2258	signal => $signal,	3084	signal => $signal,
		3085	prio => 0,
2259	cb => sub {	3086	cb => sub {
2260	cf::cleanup "SIG$signal";	3087	cf::cleanup "SIG$signal";
2261	},	3088	},
2262	);	3089	);
2263	}	3090	}
		3091	}
		3092
		3093	sub write_runtime {
		3094	my $runtime = "$LOCALDIR/runtime";
		3095
		3096	# first touch the runtime file to show we are still running:
		3097	# the fsync below can take a very very long time.
		3098
		3099	IO::AIO::aio_utime $runtime, undef, undef;
		3100
		3101	my $guard = cf::lock_acquire "write_runtime";
		3102
		3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3104	or return;
		3105
		3106	my $value = $cf::RUNTIME + 90 + 10;
		3107	# 10 is the runtime save interval, for a monotonic clock
		3108	# 60 allows for the watchdog to kill the server.
		3109
		3110	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3111	and return;
		3112
		3113	# always fsync - this file is important
		3114	aio_fsync $fh
		3115	and return;
		3116
		3117	# touch it again to show we are up-to-date
		3118	aio_utime $fh, undef, undef;
		3119
		3120	close $fh
		3121	or return;
		3122
		3123	aio_rename "$runtime~", $runtime
		3124	and return;
		3125
		3126	warn "runtime file written.\n";
		3127
		3128	1
2264	}	3129	}
2265		3130
2266	sub emergency_save() {	3131	sub emergency_save() {
2267	my $freeze_guard = cf::freeze_mainloop;	3132	my $freeze_guard = cf::freeze_mainloop;
2268		3133
…		…
2285	my $map = $cf::MAP{$path} or next;	3150	my $map = $cf::MAP{$path} or next;
2286	$map->valid or next;	3151	$map->valid or next;
2287	$map->save;	3152	$map->save;
2288	}	3153	}
2289	warn "end emergency map save\n";	3154	warn "end emergency map save\n";
		3155
		3156	warn "begin emergency database checkpoint\n";
		3157	BDB::db_env_txn_checkpoint $DB_ENV;
		3158	warn "end emergency database checkpoint\n";
2290	};	3159	};
2291		3160
2292	warn "leave emergency perl save\n";	3161	warn "leave emergency perl save\n";
2293	}	3162	}
2294		3163
		3164	sub post_cleanup {
		3165	my ($make_core) = @_;
		3166
		3167	warn Carp::longmess "post_cleanup backtrace"
		3168	if $make_core;
		3169	}
		3170
2295	sub reload() {	3171	sub do_reload_perl() {
2296	# can/must only be called in main	3172	# can/must only be called in main
2297	if ($Coro::current != $Coro::main) {	3173	if ($Coro::current != $Coro::main) {
2298	warn "can only reload from main coroutine\n";	3174	warn "can only reload from main coroutine";
2299	return;	3175	return;
2300	}	3176	}
2301		3177
2302	warn "reloading...";	3178	warn "reloading...";
2303		3179
2304	warn "freezing server";	3180	warn "entering sync_job";
2305	my $guard = freeze_mainloop;	3181
		3182	cf::sync_job {
		3183	cf::write_runtime; # external watchdog should not bark
2306	cf::emergency_save;	3184	cf::emergency_save;
		3185	cf::write_runtime; # external watchdog should not bark
2307		3186
2308	warn "sync database to disk";	3187	warn "syncing database to disk";
2309	cf::db_sync;	3188	BDB::db_env_txn_checkpoint $DB_ENV;
2310	IO::AIO::flush;
2311		3189
2312	eval {
2313	# if anything goes wrong in here, we should simply crash as we already saved	3190	# if anything goes wrong in here, we should simply crash as we already saved
2314		3191
2315	warn "cancel all watchers";	3192	warn "cancelling all WF_AUTOCANCEL watchers";
2316	for (Event::all_watchers) {	3193	for (Event::all_watchers) {
2317	$_->cancel if $_->data & WF_AUTOCANCEL;	3194	$_->cancel if $_->data & WF_AUTOCANCEL;
2318	}	3195	}
2319		3196
		3197	warn "flushing outstanding aio requests";
		3198	for (;;) {
		3199	BDB::flush;
		3200	IO::AIO::flush;
		3201	Coro::cede;
		3202	last unless IO::AIO::nreqs || BDB::nreqs;
		3203	warn "iterate...";
		3204	}
		3205
		3206	++$RELOAD;
		3207
2320	warn "cancel all extension coros";	3208	warn "cancelling all extension coros";
2321	$_->cancel for values %EXT_CORO;	3209	$_->cancel for values %EXT_CORO;
2322	%EXT_CORO = ();	3210	%EXT_CORO = ();
2323		3211
2324	warn "remove commands";	3212	warn "removing commands";
2325	%COMMAND = ();	3213	%COMMAND = ();
2326		3214
2327	warn "remove ext commands";	3215	warn "removing ext/exti commands";
2328	%EXTCMD = ();	3216	%EXTCMD = ();
		3217	%EXTICMD = ();
2329		3218
2330	warn "unload/nuke all extensions";	3219	warn "unloading/nuking all extensions";
2331	for my $pkg (@EXTS) {	3220	for my $pkg (@EXTS) {
2332	warn "... unloading $pkg";	3221	warn "... unloading $pkg";
2333		3222
2334	if (my $cb = $pkg->can ("unload")) {	3223	if (my $cb = $pkg->can ("unload")) {
2335	eval {	3224	eval {
…		…
2340		3229
2341	warn "... nuking $pkg";	3230	warn "... nuking $pkg";
2342	Symbol::delete_package $pkg;	3231	Symbol::delete_package $pkg;
2343	}	3232	}
2344		3233
2345	warn "unload all perl modules loaded from $LIBDIR";	3234	warn "unloading all perl modules loaded from $LIBDIR";
2346	while (my ($k, $v) = each %INC) {	3235	while (my ($k, $v) = each %INC) {
2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3236	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2348		3237
2349	warn "removing <$k>";	3238	warn "... unloading $k";
2350	delete $INC{$k};	3239	delete $INC{$k};
2351		3240
2352	$k =~ s/\.pm$//;	3241	$k =~ s/\.pm$//;
2353	$k =~ s/\//::/g;	3242	$k =~ s/\//::/g;
2354		3243
…		…
2357	}	3246	}
2358		3247
2359	Symbol::delete_package $k;	3248	Symbol::delete_package $k;
2360	}	3249	}
2361		3250
2362	warn "get rid of safe::, as good as possible";	3251	warn "getting rid of safe::, as good as possible";
2363	Symbol::delete_package "safe::$_"	3252	Symbol::delete_package "safe::$_"
2364	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2365		3254
2366	warn "unload cf.pm \"a bit\"";	3255	warn "unloading cf.pm \"a bit\"";
2367	delete $INC{"cf.pm"};	3256	delete $INC{"cf.pm"};
		3257	delete $INC{"cf/pod.pm"};
2368		3258
2369	# don't, removes xs symbols, too,	3259	# don't, removes xs symbols, too,
2370	# and global variables created in xs	3260	# and global variables created in xs
2371	#Symbol::delete_package __PACKAGE__;	3261	#Symbol::delete_package __PACKAGE__;
2372		3262
		3263	warn "unload completed, starting to reload now";
		3264
2373	warn "reloading cf.pm";	3265	warn "reloading cf.pm";
2374	require cf;	3266	require cf;
2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2376		3268
2377	warn "load config and database again";	3269	warn "loading config and database again";
2378	cf::cfg_load;	3270	cf::reload_config;
2379	cf::db_load;
2380		3271
2381	warn "load extensions";	3272	warn "loading extensions";
2382	cf::load_extensions;	3273	cf::load_extensions;
2383		3274
2384	warn "reattach attachments to objects/players";	3275	warn "reattaching attachments to objects/players";
2385	_global_reattach;	3276	_global_reattach; # objects, sockets
2386	warn "reattach attachments to maps";	3277	warn "reattaching attachments to maps";
2387	reattach $_ for values %MAP;	3278	reattach $_ for values %MAP;
2388	};	3279	warn "reattaching attachments to players";
		3280	reattach $_ for values %PLAYER;
2389		3281
2390	if ($@) {	3282	warn "leaving sync_job";
		3283
		3284	1
		3285	} or do {
2391	warn $@;	3286	warn $@;
2392	warn "error while reloading, exiting.";	3287	warn "error while reloading, exiting.";
2393	exit 1;	3288	exit 1;
2394	}	3289	};
2395		3290
2396	warn "reloaded";	3291	warn "reloaded";
2397	};	3292	};
2398		3293
2399	our $RELOAD_WATCHER; # used only during reload	3294	our $RELOAD_WATCHER; # used only during reload
2400		3295
		3296	sub reload_perl() {
		3297	# doing reload synchronously and two reloads happen back-to-back,
		3298	# coro crashes during coro_state_free->destroy here.
		3299
		3300	$RELOAD_WATCHER ||= Event->timer (
		3301	reentrant => 0,
		3302	after => 0,
		3303	data => WF_AUTOCANCEL,
		3304	cb => sub {
		3305	do_reload_perl;
		3306	undef $RELOAD_WATCHER;
		3307	},
		3308	);
		3309	}
		3310
2401	register_command "reload" => sub {	3311	register_command "reload" => sub {
2402	my ($who, $arg) = @_;	3312	my ($who, $arg) = @_;
2403		3313
2404	if ($who->flag (FLAG_WIZ)) {	3314	if ($who->flag (FLAG_WIZ)) {
2405	$who->message ("reloading server.");	3315	$who->message ("reloading server.");
2406		3316	async { reload_perl };
2407	# doing reload synchronously and two reloads happen back-to-back,
2408	# coro crashes during coro_state_free->destroy here.
2409
2410	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2411	reload;
2412	undef $RELOAD_WATCHER;
2413	});
2414	}	3317	}
2415	};	3318	};
2416		3319
2417	unshift @INC, $LIBDIR;	3320	unshift @INC, $LIBDIR;
2418		3321
		3322	my $bug_warning = 0;
		3323
		3324	our @WAIT_FOR_TICK;
		3325	our @WAIT_FOR_TICK_BEGIN;
		3326
		3327	sub wait_for_tick {
		3328	return unless $TICK_WATCHER->is_active;
		3329	return if $Coro::current == $Coro::main;
		3330
		3331	my $signal = new Coro::Signal;
		3332	push @WAIT_FOR_TICK, $signal;
		3333	$signal->wait;
		3334	}
		3335
		3336	sub wait_for_tick_begin {
		3337	return unless $TICK_WATCHER->is_active;
		3338	return if $Coro::current == $Coro::main;
		3339
		3340	my $signal = new Coro::Signal;
		3341	push @WAIT_FOR_TICK_BEGIN, $signal;
		3342	$signal->wait;
		3343	}
		3344
		3345	my $min = 1e6;#d#
		3346	my $avg = 10;
2419	$TICK_WATCHER = Event->timer (	3347	$TICK_WATCHER = Event->timer (
2420	reentrant => 0,	3348	reentrant => 0,
		3349	parked => 1,
2421	prio => 0,	3350	prio => 0,
2422	at => $NEXT_TICK || $TICK,	3351	at => $NEXT_TICK || $TICK,
2423	data => WF_AUTOCANCEL,	3352	data => WF_AUTOCANCEL,
2424	cb => sub {	3353	cb => sub {
		3354	if ($Coro::current != $Coro::main) {
		3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3356	unless ++$bug_warning > 10;
		3357	return;
		3358	}
		3359
2425	$NOW = Event::time;	3360	$NOW = $tick_start = Event::time;
2426		3361
2427	cf::server_tick; # one server iteration	3362	cf::server_tick; # one server iteration
		3363
		3364	0 && sync_job {#d#
		3365	for(1..10) {
		3366	my $t = Event::time;
		3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3368	or die;
		3369
		3370	$map->width (50);
		3371	$map->height (50);
		3372	$map->alloc;
		3373	$map->_load_objects ("/tmp/x.map", 1);
		3374	my $t = Event::time - $t;
		3375
		3376	#next unless $t < 0.0013;#d#
		3377	if ($t < $min) {
		3378	$min = $t;
		3379	}
		3380	$avg = $avg * 0.99 + $t * 0.01;
		3381	}
		3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3383	exit 0;
		3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3385	};
		3386
2428	$RUNTIME += $TICK;	3387	$RUNTIME += $TICK;
2429	$NEXT_TICK += $TICK;	3388	$NEXT_TICK += $TICK;
2430		3389
2431	$WAIT_FOR_TICK->broadcast;	3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3392	Coro::async_pool {
		3393	write_runtime
		3394	or warn "ERROR: unable to write runtime file: $!";
		3395	};
		3396	}
		3397
		3398	# my $AFTER = Event::time;
		3399	# warn $AFTER - $NOW;#d#
		3400
		3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3402	$sig->send;
		3403	}
		3404	while (my $sig = shift @WAIT_FOR_TICK) {
		3405	$sig->send;
		3406	}
		3407
		3408	$NOW = Event::time;
2433		3409
2434	# if we are delayed by four ticks or more, skip them all	3410	# if we are delayed by four ticks or more, skip them all
2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2436		3412
2437	$TICK_WATCHER->at ($NEXT_TICK);	3413	$TICK_WATCHER->at ($NEXT_TICK);
2438	$TICK_WATCHER->start;	3414	$TICK_WATCHER->start;
		3415
		3416	$LOAD = ($NOW - $tick_start) / $TICK;
		3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3418
		3419	_post_tick;
		3420
		3421
2439	},	3422	},
2440	);	3423	);
2441		3424
		3425	{
		3426	BDB::max_poll_time $TICK * 0.1;
		3427	$BDB_POLL_WATCHER = Event->io (
		3428	reentrant => 0,
		3429	fd => BDB::poll_fileno,
		3430	poll => 'r',
		3431	prio => 0,
		3432	data => WF_AUTOCANCEL,
		3433	cb => \&BDB::poll_cb,
		3434	);
		3435	BDB::min_parallel 8;
		3436
		3437	BDB::set_sync_prepare {
		3438	my $status;
		3439	my $current = $Coro::current;
		3440	(
		3441	sub {
		3442	$status = $!;
		3443	$current->ready; undef $current;
		3444	},
		3445	sub {
		3446	Coro::schedule while defined $current;
		3447	$! = $status;
		3448	},
		3449	)
		3450	};
		3451
		3452	unless ($DB_ENV) {
		3453	$DB_ENV = BDB::db_env_create;
		3454
		3455	cf::sync_job {
		3456	eval {
		3457	BDB::db_env_open
		3458	$DB_ENV,
		3459	$BDBDIR,
		3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3462	0666;
		3463
		3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3465
		3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3467	$DB_ENV->set_lk_detect;
		3468	};
		3469
		3470	cf::cleanup "db_env_open(db): $@" if $@;
		3471	};
		3472	}
		3473	}
		3474
		3475	{
		3476	IO::AIO::min_parallel 8;
		3477
		3478	undef $Coro::AIO::WATCHER;
2442	IO::AIO::max_poll_time $TICK * 0.2;	3479	IO::AIO::max_poll_time $TICK * 0.1;
2443
2444	$AIO_POLL_WATCHER = Event->io (	3480	$AIO_POLL_WATCHER = Event->io (
2445	fd => IO::AIO::poll_fileno,	3481	reentrant => 0,
2446	poll => 'r',
2447	prio => 5,
2448	data => WF_AUTOCANCEL,
2449	cb => \&IO::AIO::poll_cb,
2450	);
2451
2452	$WRITE_RUNTIME_WATCHER = Event->timer (
2453	data => WF_AUTOCANCEL,	3482	data => WF_AUTOCANCEL,
2454	after => 0,	3483	fd => IO::AIO::poll_fileno,
2455	interval => 10,	3484	poll => 'r',
2456	cb => sub {	3485	prio => 6,
2457	(Coro::unblock_sub {	3486	cb => \&IO::AIO::poll_cb,
2458	write_runtime	3487	);
2459	or warn "ERROR: unable to write runtime file: $!";	3488	}
		3489
		3490	my $_log_backtrace;
		3491
		3492	sub _log_backtrace {
		3493	my ($msg, @addr) = @_;
		3494
		3495	$msg =~ s/\n//;
		3496
		3497	# limit the # of concurrent backtraces
		3498	if ($_log_backtrace < 2) {
		3499	++$_log_backtrace;
		3500	async {
		3501	my @bt = fork_call {
		3502	@addr = map { sprintf "%x", $_ } @addr;
		3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3505	or die "addr2line: $!";
		3506
		3507	my @funcs;
		3508	my @res = <$fh>;
		3509	chomp for @res;
		3510	while (@res) {
		3511	my ($func, $line) = splice @res, 0, 2, ();
		3512	push @funcs, "[$func] $line";
		3513	}
		3514
		3515	@funcs
		3516	};
		3517
		3518	LOG llevInfo, "[ABT] $msg\n";
		3519	LOG llevInfo, "[ABT] $_\n" for @bt;
		3520	--$_log_backtrace;
2460	})->();	3521	};
		3522	} else {
		3523	LOG llevInfo, "[ABT] $msg\n";
		3524	LOG llevInfo, "[ABT] [suppressed]\n";
2461	},	3525	}
2462	);	3526	}
		3527
		3528	# load additional modules
		3529	use cf::pod;
2463		3530
2464	END { cf::emergency_save }	3531	END { cf::emergency_save }
2465		3532
2466	1	3533	1
2467		3534

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