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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 1.355 by root, Sun Sep 2 12:45:44 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 (likely 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) {
		1418	my $path = path $login;
		1419
		1420	# a .pst is a dead give-away for a valid player
		1421	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1423	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1424	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1425	}
1052		1426
1053	utf8::decode $login;	1427	utf8::decode $login;
1054	push @logins, $login;	1428	push @logins, $login;
1055	}	1429	}
1056		1430
…		…
1064		1438
1065	=cut	1439	=cut
1066		1440
1067	sub maps($) {	1441	sub maps($) {
1068	my ($pl) = @_;	1442	my ($pl) = @_;
		1443
		1444	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1445
1070	my $files = aio_readdir playerdir $pl	1446	my $files = aio_readdir playerdir $pl
1071	or return;	1447	or return;
1072		1448
1073	my @paths;	1449	my @paths;
…		…
1075	for (@$files) {	1451	for (@$files) {
1076	utf8::decode $_;	1452	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1453	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1454	next unless /^$PATH_SEP/o;
1079		1455
1080	s/\.map$//;	1456	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1457	}
1083		1458
1084	\@paths	1459	\@paths
1085	}	1460	}
1086		1461
		1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1463
		1464	Expand crossfire pod fragments into protocol xml.
		1465
		1466	=cut
		1467
		1468	sub expand_cfpod {
		1469	((my $self), (local $_)) = @_;
		1470
		1471	# escape & and <
		1472	s/&/&amp;/g;
		1473	s/(?<![BIUGHT])</&lt;/g;
		1474
		1475	# this is buggy, it needs to properly take care of nested <'s
		1476
		1477	1 while
		1478	# replace B<>, I<>, U<> etc.
		1479	s/B<([^\>]*)>/<b>$1<\/b>/
		1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1483	# replace G<male|female> tags
		1484	|| s{G<([^>|]*)\|([^>]*)>}{
		1485	$self->gender ? $2 : $1
		1486	}ge
		1487	# replace H<hint text>
		1488	|| s{H<([^\>]*)>}
		1489	{
		1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1492	"")
		1493	[$self->{hintmode}]
		1494	}ge;
		1495
		1496	# create single paragraphs (very hackish)
		1497	s/(?<=\S)\n(?=\w)/ /g;
		1498
		1499	# compress some whitespace
		1500	s/\s+\n/\n/g; # ws line-ends
		1501	s/\n\n+/\n/g; # double lines
		1502	s/^\n+//; # beginning lines
		1503	s/\n+$//; # ending lines
		1504
		1505	$_
		1506	}
		1507
		1508	sub hintmode {
		1509	$_[0]{hintmode} = $_[1] if @_ > 1;
		1510	$_[0]{hintmode}
		1511	}
		1512
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1513	=item $player->ext_reply ($msgid, @msg)
1088		1514
1089	Sends an ext reply to the player.	1515	Sends an ext reply to the player.
1090		1516
1091	=cut	1517	=cut
1092		1518
1093	sub ext_reply($$$%) {	1519	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1520	my ($self, $id, @msg) = @_;
1095		1521
1096	$msg{msgid} = $id;	1522	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1523	}
1100		1524
1101	package cf;	1525	=item $player->ext_msg ($type, @msg)
		1526
		1527	Sends an ext event to the client.
		1528
		1529	=cut
		1530
		1531	sub ext_msg($$@) {
		1532	my ($self, $type, @msg) = @_;
		1533
		1534	$self->ns->ext_msg ($type, @msg);
		1535	}
		1536
		1537	=head3 cf::region
		1538
		1539	=over 4
		1540
		1541	=cut
		1542
		1543	package cf::region;
		1544
		1545	=item cf::region::find_by_path $path
		1546
		1547	Tries to decuce the likely region for a map knowing only its path.
		1548
		1549	=cut
		1550
		1551	sub find_by_path($) {
		1552	my ($path) = @_;
		1553
		1554	my ($match, $specificity);
		1555
		1556	for my $region (list) {
		1557	if ($region->{match} && $path =~ $region->{match}) {
		1558	($match, $specificity) = ($region, $region->specificity)
		1559	if $region->specificity > $specificity;
		1560	}
		1561	}
		1562
		1563	$match
		1564	}
1102		1565
1103	=back	1566	=back
1104
1105		1567
1106	=head3 cf::map	1568	=head3 cf::map
1107		1569
1108	=over 4	1570	=over 4
1109		1571
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1599	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1600	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1601	)
1140	}	1602	}
1141		1603
		1604	=item cf::map->register ($regex, $prio)
		1605
		1606	Register a handler for the map path matching the given regex at the
		1607	givne priority (higher is better, built-in handlers have priority 0, the
		1608	default).
		1609
		1610	=cut
		1611
1142	sub register {	1612	sub register {
1143	my (undef, $regex) = @_;	1613	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1614	my $pkg = caller;
1145		1615
1146	no strict;	1616	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1617	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1618
1149	$EXT_MAP{$pkg} = qr<$regex>;	1619	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1620	}
1151		1621
1152	# also paths starting with '/'	1622	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1623	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1624
1155	sub thawer_merge {	1625	sub thawer_merge {
1156	my ($self, $merge) = @_;	1626	my ($self, $merge) = @_;
1157		1627
1158	# we have to keep some variables in memory intact	1628	# we have to keep some variables in memory intact
1159	local $self->{path};	1629	local $self->{path};
1160	local $self->{load_path};	1630	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1631
1164	$self->SUPER::thawer_merge ($merge);	1632	$self->SUPER::thawer_merge ($merge);
1165	}	1633	}
1166		1634
1167	sub normalise {	1635	sub normalise {
1168	my ($path, $base) = @_;	1636	my ($path, $base) = @_;
		1637
		1638	$path = "$path"; # make sure its a string
		1639
		1640	$path =~ s/\.map$//;
1169		1641
1170	# map plan:	1642	# map plan:
1171	#	1643	#
1172	# /! non-realised random map exit (special hack!)	1644	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1645	# {... are special paths that are not being touched
…		…
1201		1673
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1674	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1675
1204	$path = normalise $path, $base;	1676	$path = normalise $path, $base;
1205		1677
1206	for my $pkg (keys %EXT_MAP) {	1678	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1679	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1680	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1681	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1682	$self->init; # pass $1 etc.
1211	return $self;	1683	return $self;
1212	}	1684	}
1213	}	1685	}
1214		1686
1215	Carp::carp "unable to resolve path '$path'.";	1687	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1688	()
1217	}	1689	}
1218		1690
1219	sub init {	1691	sub init {
1220	my ($self) = @_;	1692	my ($self) = @_;
…		…
1235		1707
1236	# the original (read-only) location	1708	# the original (read-only) location
1237	sub load_path {	1709	sub load_path {
1238	my ($self) = @_;	1710	my ($self) = @_;
1239		1711
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1712	"$MAPDIR/$self->{path}.map"
1241	}	1713	}
1242		1714
1243	# the temporary/swap location	1715	# the temporary/swap location
1244	sub save_path {	1716	sub save_path {
1245	my ($self) = @_;	1717	my ($self) = @_;
1246		1718
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1720	"$TMPDIR/$path.map"
1249	}	1721	}
1250		1722
1251	# the unique path, undef == no special unique path	1723	# the unique path, undef == no special unique path
1252	sub uniq_path {	1724	sub uniq_path {
1253	my ($self) = @_;	1725	my ($self) = @_;
1254		1726
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1728	"$UNIQUEDIR/$path"
1257	}	1729	}
1258		1730
1259	# and all this just because we cannot iterate over	1731	# and all this just because we cannot iterate over
1260	# all maps in C++...	1732	# all maps in C++...
1261	sub change_all_map_light {	1733	sub change_all_map_light {
…		…
1263		1735
1264	$_->change_map_light ($change)	1736	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1737	for grep $_->outdoor, values %cf::MAP;
1266	}	1738	}
1267		1739
		1740	sub decay_objects {
		1741	my ($self) = @_;
		1742
		1743	return if $self->{deny_reset};
		1744
		1745	$self->do_decay_objects;
		1746	}
		1747
1268	sub unlink_save {	1748	sub unlink_save {
1269	my ($self) = @_;	1749	my ($self) = @_;
1270		1750
1271	utf8::encode (my $save = $self->save_path);	1751	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1752	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1755
1276	sub load_header_from($) {	1756	sub load_header_from($) {
1277	my ($self, $path) = @_;	1757	my ($self, $path) = @_;
1278		1758
1279	utf8::encode $path;	1759	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1760	#aio_open $path, O_RDONLY, 0
1281	or return;	1761	# or return;
1282		1762
1283	$self->_load_header ($path)	1763	$self->_load_header ($path)
1284	or return;	1764	or return;
1285		1765
1286	$self->{load_path} = $path;	1766	$self->{load_path} = $path;
1287		1767
1288	1	1768	1
1289	}	1769	}
1290		1770
1291	sub load_orig {	1771	sub load_header_orig {
1292	my ($self) = @_;	1772	my ($self) = @_;
1293		1773
1294	$self->load_header_from ($self->load_path)	1774	$self->load_header_from ($self->load_path)
1295	}	1775	}
1296		1776
1297	sub load_temp {	1777	sub load_header_temp {
1298	my ($self) = @_;	1778	my ($self) = @_;
1299		1779
1300	$self->load_header_from ($self->save_path)	1780	$self->load_header_from ($self->save_path)
		1781	}
		1782
		1783	sub prepare_temp {
		1784	my ($self) = @_;
		1785
		1786	$self->last_access ((delete $self->{last_access})
		1787	|| $cf::RUNTIME); #d#
		1788	# safety
		1789	$self->{instantiate_time} = $cf::RUNTIME
		1790	if $self->{instantiate_time} > $cf::RUNTIME;
		1791	}
		1792
		1793	sub prepare_orig {
		1794	my ($self) = @_;
		1795
		1796	$self->{load_original} = 1;
		1797	$self->{instantiate_time} = $cf::RUNTIME;
		1798	$self->last_access ($cf::RUNTIME);
		1799	$self->instantiate;
1301	}	1800	}
1302		1801
1303	sub load_header {	1802	sub load_header {
1304	my ($self) = @_;	1803	my ($self) = @_;
1305		1804
1306	if ($self->load_temp) {	1805	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1806	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1807	} else {
1313	$self->load_orig	1808	$self->load_header_orig
1314	or return;	1809	or return;
1315		1810	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1811	}
		1812
		1813	$self->{deny_reset} = 1
		1814	if $self->no_reset;
		1815
		1816	$self->default_region (cf::region::find_by_path $self->{path})
		1817	unless $self->default_region;
1321		1818
1322	1	1819	1
1323	}	1820	}
1324		1821
1325	sub find;	1822	sub find;
…		…
1338	$map->{last_save} = $cf::RUNTIME;	1835	$map->{last_save} = $cf::RUNTIME;
1339		1836
1340	$map->load_header	1837	$map->load_header
1341	or return;	1838	or return;
1342		1839
1343	if ($map->should_reset) {	1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1841	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1842	#$cf::WAIT_FOR_TICK->wait;
1345	$map->reset;	1843	$map->reset;
1346	undef $guard;	1844	undef $guard;
1347	$map = find $path	1845	return find $path;
1348	or return;
1349	}	1846	}
1350		1847
1351	$cf::MAP{$path} = $map	1848	$cf::MAP{$path} = $map
1352	}	1849	}
1353	}	1850	}
		1851
		1852	sub pre_load { }
		1853	sub post_load { }
1354		1854
1355	sub load {	1855	sub load {
1356	my ($self) = @_;	1856	my ($self) = @_;
1357		1857
		1858	local $self->{deny_reset} = 1; # loading can take a long time
		1859
1358	my $path = $self->{path};	1860	my $path = $self->{path};
		1861
		1862	{
		1863	my $guard1 = cf::lock_acquire "map_data:$path";
1359	my $guard = cf::lock_acquire "map_load:$path";	1864	my $guard2 = cf::lock_acquire "map_load:$path";
1360		1865
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1866	return if $self->in_memory != cf::MAP_SWAPPED;
1362		1867
1363	$self->in_memory (cf::MAP_LOADING);	1868	$self->in_memory (cf::MAP_LOADING);
1364		1869
1365	$self->alloc;	1870	$self->alloc;
		1871
		1872	$self->pre_load;
		1873	cf::cede_to_tick;
		1874
1366	$self->_load_objects ($self->{load_path}, 1)	1875	$self->_load_objects ($self->{load_path}, 1)
1367	or return;	1876	or return;
1368		1877
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	1879	if delete $self->{load_original};
1371		1880
1372	if (my $uniq = $self->uniq_path) {	1881	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	1882	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	1883	if (aio_open $uniq, O_RDONLY, 0) {
1375	$self->clear_unique_items;	1884	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	1885	$self->_load_objects ($uniq, 0);
1377	}	1886	}
1378	}	1887	}
1379		1888
1380	Coro::cede;	1889	cf::cede_to_tick;
1381
1382	# now do the right thing for maps	1890	# now do the right thing for maps
1383	$self->link_multipart_objects;	1891	$self->link_multipart_objects;
1384
1385	unless ($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)	1892	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1893	unless $self->difficulty;
1393	Coro::cede;	1894	cf::cede_to_tick;
		1895
		1896	unless ($self->{deny_activate}) {
		1897	$self->decay_objects;
		1898	$self->fix_auto_apply;
		1899	$self->update_buttons;
		1900	cf::cede_to_tick;
		1901	$self->set_darkness_map;
		1902	cf::cede_to_tick;
1394	$self->activate;	1903	$self->activate;
1395	}	1904	}
1396		1905
		1906	$self->{last_save} = $cf::RUNTIME;
		1907	$self->last_access ($cf::RUNTIME);
		1908
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
1398	}	1913	}
1399		1914
1400	sub customise_for {	1915	sub customise_for {
1401	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1402		1917
1403	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1919	if $self->per_player;
1405		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
1406	$self	1924	$self
1407	}	1925	}
1408		1926
1409	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	1928	sub load_neighbours {
1411	my ($map) = @_;	1929	my ($map) = @_;
1412		1930
1413	my @diag; # diagonal neighbours	1931	my @neigh; # diagonal neighbours
1414		1932
1415	for (0 .. 3) {	1933	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	1934	my $neigh = $map->tile_path ($_)
1417	or next;	1935	or next;
1418	$neigh = find $neigh, $map	1936	$neigh = find $neigh, $map
1419	or next;	1937	or next;
1420	$neigh->load;	1938	$neigh->load;
1421		1939
		1940	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	1943	}
1425		1944
1426	for (@diag) {	1945	for (grep defined $_->[0], @neigh) {
		1946	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	1947	my $neigh = find $path, $origin
1428	or next;	1948	or next;
1429	$neigh->load;	1949	$neigh->load;
1430	}	1950	}
1431	}	1951	}
1432		1952
…		…
1437	}	1957	}
1438		1958
1439	sub do_load_sync {	1959	sub do_load_sync {
1440	my ($map) = @_;	1960	my ($map) = @_;
1441		1961
		1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1963	if $Coro::current == $Coro::main;
		1964
1442	cf::sync_job { $map->load };	1965	cf::sync_job { $map->load };
1443	}	1966	}
1444		1967
1445	our %MAP_PREFETCH;	1968	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	1969	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		1970
1459	sub find_async {	1971	sub find_async {
1460	my ($path, $origin) = @_;	1972	my ($path, $origin, $load) = @_;
1461		1973
1462	$path = normalise $path, $origin && $origin->{path};	1974	$path = normalise $path, $origin && $origin->{path};
1463		1975
1464	if (my $map = $cf::MAP{$path}) {	1976	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1978	}
		1979
		1980	$MAP_PREFETCH{$path} |= $load;
		1981
		1982	$MAP_PREFETCHER ||= cf::async {
		1983	while (%MAP_PREFETCH) {
		1984	while (my ($k, $v) = each %MAP_PREFETCH) {
		1985	if (my $map = find $k) {
		1986	$map->load if $v;
		1987	}
		1988
		1989	delete $MAP_PREFETCH{$k};
		1990	}
		1991	}
		1992	undef $MAP_PREFETCHER;
1466	}	1993	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	1994	$MAP_PREFETCHER->prio (6);
1470		1995
1471	()	1996	()
1472	}	1997	}
1473		1998
1474	sub save {	1999	sub save {
1475	my ($self) = @_;	2000	my ($self) = @_;
1476		2001
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2003
1479	$self->{last_save} = $cf::RUNTIME;	2004	$self->{last_save} = $cf::RUNTIME;
1480		2005
1481	return unless $self->dirty;	2006	return unless $self->dirty;
1482		2007
…		…
1505	my ($self) = @_;	2030	my ($self) = @_;
1506		2031
1507	# save first because save cedes	2032	# save first because save cedes
1508	$self->save;	2033	$self->save;
1509		2034
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2035	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2036
1512	return if $self->players;	2037	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};	2039	return if $self->{deny_save};
1515		2040
…		…
1519		2044
1520	sub reset_at {	2045	sub reset_at {
1521	my ($self) = @_;	2046	my ($self) = @_;
1522		2047
1523	# TODO: safety, remove and allow resettable per-player maps	2048	# 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};	2049	return 1e99 if $self->{deny_reset};
1526		2050
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2053
…		…
1540	my ($self) = @_;	2064	my ($self) = @_;
1541		2065
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2067
1544	return if $self->players;	2068	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2069
1547	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
		2071
		2072	$self->in_memory (cf::MAP_SWAPPED);
		2073
		2074	# need to save uniques path
		2075	unless ($self->{deny_save}) {
		2076	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2077
		2078	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2079	if $uniq;
		2080	}
1548		2081
1549	delete $cf::MAP{$self->path};	2082	delete $cf::MAP{$self->path};
1550		2083
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	$self->clear;	2084	$self->clear;
1553		2085
1554	$_->clear_links_to ($self) for values %cf::MAP;	2086	$_->clear_links_to ($self) for values %cf::MAP;
1555		2087
1556	$self->unlink_save;	2088	$self->unlink_save;
…		…
1560	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1561		2093
1562	sub nuke {	2094	sub nuke {
1563	my ($self) = @_;	2095	my ($self) = @_;
1564		2096
		2097	{
		2098	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2099
1565	delete $cf::MAP{$self->path};	2100	delete $cf::MAP{$self->path};
1566		2101
1567	$self->unlink_save;	2102	$self->unlink_save;
1568		2103
1569	bless $self, "cf::map";	2104	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2105	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2106	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2107	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2109
1575	$cf::MAP{$self->path} = $self;	2110	$cf::MAP{$self->path} = $self;
		2111	}
1576		2112
1577	$self->reset; # polite request, might not happen	2113	$self->reset; # polite request, might not happen
		2114	}
		2115
		2116	=item $maps = cf::map::tmp_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	maps. May block.
		2120
		2121	=cut
		2122
		2123	sub tmp_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise $_
		2129	: ()
		2130	} @{ aio_readdir $TMPDIR or [] }
		2131	]
		2132	}
		2133
		2134	=item $maps = cf::map::random_maps
		2135
		2136	Returns an arrayref with all map paths of currently instantiated and saved
		2137	random maps. May block.
		2138
		2139	=cut
		2140
		2141	sub random_maps() {
		2142	[
		2143	map {
		2144	utf8::decode $_;
		2145	/\.map$/
		2146	? normalise "?random/$_"
		2147	: ()
		2148	} @{ aio_readdir $RANDOMDIR or [] }
		2149	]
1578	}	2150	}
1579		2151
1580	=item cf::map::unique_maps	2152	=item cf::map::unique_maps
1581		2153
1582	Returns an arrayref of paths of all shared maps that have	2154	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2155	instantiated unique items. May block.
1584		2156
1585	=cut	2157	=cut
1586		2158
1587	sub unique_maps() {	2159	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2160	[
1589	or return;	2161	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2162	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2163	/\.map$/
1599	push @paths, $_;	2164	? normalise $_
		2165	: ()
		2166	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2167	]
1601
1602	\@paths
1603	}	2168	}
1604		2169
1605	package cf;	2170	package cf;
1606		2171
1607	=back	2172	=back
…		…
1653		2218
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2219	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2220
1656	if ($self->{record_replies}) {	2221	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2222	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2223
1658	} else {	2224	} else {
		2225	my $pl = $self->contr;
		2226
		2227	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2228	my $dialog = $pl->{npc_dialog};
		2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2230
		2231	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2232	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2233	$self->message ($msg, $flags);
		2234	}
1661	}	2235	}
		2236	}
		2237
		2238	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2239
		2240	=cut
		2241
		2242	sub cf::object::send_msg {
		2243	my $pl = shift->contr
		2244	or return;
		2245	$pl->send_msg (@_);
1662	}	2246	}
1663		2247
1664	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1665		2249
1666	Returns wether the given player is authorized to access resource "access"	2250	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2282	=cut
1699		2283
1700	sub link_map {	2284	sub link_map {
1701	unless ($LINK_MAP) {	2285	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2286	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2287	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2288	$LINK_MAP->load;
1705	}	2289	}
1706		2290
1707	$LINK_MAP	2291	$LINK_MAP
1708	}	2292	}
…		…
1713	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1714		2298
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2300
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1719		2303
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2305	}
1722		2306
1723	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1725		2311
1726	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1727		2313
1728	unless ($map) {	2314	unless ($map) {
1729	# restore original map position	2315	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2329	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2330	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2331	if $x <=0 && $y <= 0;
1746		2332
1747	$map->load;	2333	$map->load;
1748	$map->load_diag;	2334	$map->load_neighbours;
1749		2335
1750	return unless $self->contr->active;	2336	return unless $self->contr->active;
1751	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1753	}	2341	}
1754		2342
1755	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2344
1759	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1763	};	2349	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2350
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	2351	=cut
		2352
		2353	our $GOTOGEN;
1790		2354
1791	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2360
1794	$self->enter_link;	2361	$self->enter_link;
1795		2362
1796	(async {	2363	(async {
		2364	my $map = eval {
1797	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
1799		2369	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2370	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
1804		2373
		2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
		2380	}
		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1806	})->prio (1);	2388	})->prio (1);
1807	}	2389	}
1808		2390
1809	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1810		2392
…		…
1815		2397
1816	my $rmp = { # defaults	2398	my $rmp = { # defaults
1817	xsize => (cf::rndm 15, 40),	2399	xsize => (cf::rndm 15, 40),
1818	ysize => (cf::rndm 15, 40),	2400	ysize => (cf::rndm 15, 40),
1819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),	2401	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1820	#layout => string	2402	#layout => string,
1821	};	2403	};
1822		2404
1823	for (split /\n/, $spec) {	2405	for (split /\n/, $spec) {
1824	my ($k, $v) = split /\s+/, $_, 2;	2406	my ($k, $v) = split /\s+/, $_, 2;
1825		2407
…		…
1839	# that depends on the exit object	2421	# that depends on the exit object
1840		2422
1841	my $rmp = parse_random_map_params $exit->msg;	2423	my $rmp = parse_random_map_params $exit->msg;
1842		2424
1843	if ($exit->map) {	2425	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2426	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2427	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2428	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2429	$rmp->{origin_y} = $exit->y;
1848	}	2430	}
1849		2431
1850	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1851		2433
1852	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1853	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1855		2437
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2440	undef $fh;
1859	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
1866	sub cf::object::player::enter_exit {	2448	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2449	my ($self, $exit) = @_;
1868		2450
1869	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1870		2452
		2453	if ($exit->slaying eq "/!") {
		2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
		2457	cf::sync_job { prepare_random_map $exit };
		2458	}
		2459
		2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2461	my $hp = $exit->stats->hp;
		2462	my $sp = $exit->stats->sp;
		2463
1871	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1872		2469
1873	(async {	2470	(async {
1874	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1875	unless (eval {	2472	unless (eval {
1876	prepare_random_map $exit	2473	$self->goto ($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		2474
1882	1;	2475	1;
1883	}) {	2476	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1885	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1886	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2481
1889	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1890	$self->leave_link;	2483	$self->leave_link;
1891	}	2484	}
1892	})->prio (1);	2485	})->prio (1);
…		…
1905		2498
1906	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1908		2501
1909	utf8::encode $text;	2502	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2504	}
1912		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	our %CHANNEL = (
		2516	"c/identify" => {
		2517	id => "identify",
		2518	title => "Identify",
		2519	reply => undef,
		2520	tooltip => "Items recently identified",
		2521	},
		2522	"c/examine" => {
		2523	id => "examine",
		2524	title => "Examine",
		2525	reply => undef,
		2526	tooltip => "Signs and other items you examined",
		2527	},
		2528	);
		2529
		2530	sub cf::client::send_msg {
		2531	my ($self, $channel, $msg, $color, @extra) = @_;
		2532
		2533	$msg = $self->pl->expand_cfpod ($msg);
		2534
		2535	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2536
		2537	# check predefined channels, for the benefit of C
		2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2539
		2540	if (ref $channel) {
		2541	# send meta info to client, if not yet sent
		2542	unless (exists $self->{channel}{$channel->{id}}) {
		2543	$self->{channel}{$channel->{id}} = $channel;
		2544	$self->ext_msg (channel_info => $channel)
		2545	if $self->can_msg;
		2546	}
		2547
		2548	$channel = $channel->{id};
		2549	}
		2550
		2551	return unless @extra || length $msg;
		2552
		2553	if ($self->can_msg) {
		2554	# default colour, mask it out
		2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2556	if $color & cf::NDI_DEF;
		2557
		2558	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2560	} else {
		2561	if ($color >= 0) {
		2562	# replace some tags by gcfclient-compatible ones
		2563	for ($msg) {
		2564	1 while
		2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2570	}
		2571
		2572	$color &= cf::NDI_COLOR_MASK;
		2573
		2574	utf8::encode $msg;
		2575
		2576	if (0 && $msg =~ /\[/) {
		2577	# COMMAND/INFO
		2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	if ($self->extcmd == 2) {
		2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2598	} elsif ($self->extcmd == 1) { # TODO: remove
		2599	push @msg, msgtype => "event_$type";
		2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2601	}
		2602	}
		2603
		2604	=item $client->ext_reply ($msgid, @msg)
		2605
		2606	Sends an ext reply to the client.
		2607
		2608	=cut
		2609
		2610	sub cf::client::ext_reply($$@) {
		2611	my ($self, $id, @msg) = @_;
		2612
		2613	if ($self->extcmd == 2) {
		2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2615	} elsif ($self->extcmd == 1) {
		2616	#TODO: version 1, remove
		2617	unshift @msg, msgtype => "reply", msgid => $id;
		2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2619	}
		2620	}
1913		2621
1914	=item $success = $client->query ($flags, "text", \&cb)	2622	=item $success = $client->query ($flags, "text", \&cb)
1915		2623
1916	Queues a query to the client, calling the given callback with	2624	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>,	2625	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>.	2626	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1919		2627
1920	Queries can fail, so check the return code. Or don't, as queries will become	2628	Queries can fail, so check the return code. Or don't, as queries will
1921	reliable at some point in the future.	2629	become reliable at some point in the future.
1922		2630
1923	=cut	2631	=cut
1924		2632
1925	sub cf::client::query {	2633	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	2634	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	2642	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2643	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		2644
1937	$self->send_packet ($self->{query_queue}[0][0])	2645	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	2646	if @{ $self->{query_queue} } == 1;
		2647
		2648	1
1939	}	2649	}
1940		2650
1941	cf::client->attach (	2651	cf::client->attach (
		2652	on_connect => sub {
		2653	my ($ns) = @_;
		2654
		2655	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2656	},
1942	on_reply => sub {	2657	on_reply => sub {
1943	my ($ns, $msg) = @_;	2658	my ($ns, $msg) = @_;
1944		2659
1945	# this weird shuffling is so that direct followup queries	2660	# this weird shuffling is so that direct followup queries
1946	# get handled first	2661	# get handled first
1947	my $queue = delete $ns->{query_queue}	2662	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	2663	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		2664
1950	(shift @$queue)->[1]->($msg);	2665	(shift @$queue)->[1]->($msg);
		2666	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		2667
1952	push @{ $ns->{query_queue} }, @$queue;	2668	push @{ $ns->{query_queue} }, @$queue;
1953		2669
1954	if (@{ $ns->{query_queue} } == @$queue) {	2670	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	2671	if (@$queue) {
…		…
1957	} else {	2673	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2674	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	2675	}
1960	}	2676	}
1961	},	2677	},
		2678	on_exticmd => sub {
		2679	my ($ns, $buf) = @_;
		2680
		2681	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2682
		2683	if (ref $msg) {
		2684	my ($type, $reply, @payload) =
		2685	"ARRAY" eq ref $msg
		2686	? @$msg
		2687	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2688
		2689	my @reply;
		2690
		2691	if (my $cb = $EXTICMD{$type}) {
		2692	@reply = $cb->($ns, @payload);
		2693	}
		2694
		2695	$ns->ext_reply ($reply, @reply)
		2696	if $reply;
		2697
		2698	} else {
		2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2700	}
		2701
		2702	cf::override;
		2703	},
1962	);	2704	);
1963		2705
1964	=item $client->async (\&cb)	2706	=item $client->async (\&cb)
1965		2707
1966	Create a new coroutine, running the specified callback. The coroutine will	2708	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007	our $safe = new Safe "safe";	2749	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	2750	our $safe_hole = new Safe::Hole;
2009		2751
2010	$SIG{FPE} = 'IGNORE';	2752	$SIG{FPE} = 'IGNORE';
2011		2753
2012	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2754	$safe->permit_only (Opcode::opset qw(
		2755	:base_core :base_mem :base_orig :base_math
		2756	grepstart grepwhile mapstart mapwhile
		2757	sort time
		2758	));
2013		2759
2014	# here we export the classes and methods available to script code	2760	# here we export the classes and methods available to script code
2015		2761
2016	=pod	2762	=pod
2017		2763
2018	The following fucntions and emthods are available within a safe environment:	2764	The following functions and methods are available within a safe environment:
2019		2765
2020	cf::object contr pay_amount pay_player map	2766	cf::object
		2767	contr pay_amount pay_player map x y force_find force_add
		2768	insert remove name archname title slaying race decrease_ob_nr
		2769
2021	cf::object::player player	2770	cf::object::player
2022	cf::player peaceful	2771	player
2023	cf::map trigger	2772
		2773	cf::player
		2774	peaceful
		2775
		2776	cf::map
		2777	trigger
2024		2778
2025	=cut	2779	=cut
2026		2780
2027	for (	2781	for (
2028	["cf::object" => qw(contr pay_amount pay_player map)],	2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2783	insert remove inv name archname title slaying race
		2784	decrease_ob_nr)],
2029	["cf::object::player" => qw(player)],	2785	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	2786	["cf::player" => qw(peaceful)],
2031	["cf::map" => qw(trigger)],	2787	["cf::map" => qw(trigger)],
2032	) {	2788	) {
2033	no strict 'refs';	2789	no strict 'refs';
…		…
2104	=back	2860	=back
2105		2861
2106	=cut	2862	=cut
2107		2863
2108	#############################################################################	2864	#############################################################################
		2865	# the server's init and main functions
2109		2866
2110	=head2 EXTENSION DATABASE SUPPORT	2867	sub load_facedata($) {
		2868	my ($path) = @_;
2111		2869
2112	Crossfire maintains a very simple database for extension use. It can	2870	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	2871	# for this (global event?)
2114	excludes objects.	2872	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		2873
2116	The parameter C<$family> should best start with the name of the extension	2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		2875
2119	=over 4	2876	warn "loading facedata from $path\n";
2120		2877
2121	=item $hashref = cf::db_get $family	2878	my $facedata;
		2879	0 < aio_load $path, $facedata
		2880	or die "$path: $!";
2122		2881
2123	Return a hashref for use by the extension C<$family>, which can be	2882	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		2883
2127	=item $value = cf::db_get $family => $key	2884	$facedata->{version} == 2
		2885	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		2886
2129	Returns a single value from the database	2887	# patch in the exptable
2130		2888	$facedata->{resource}{"res/exp_table"} = {
2131	=item cf::db_put $family => $hashref	2889	type => FT_RSRC,
2132		2890	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	});	2891	};
		2892	cf::cede_to_tick;
2182		2893
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	2894	{
		2895	my $faces = $facedata->{faceinfo};
2187		2896
2188	sub db_get($;$) {	2897	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}	2899	cf::face::set_visibility $idx, $info->{visibility};
2191	: ($DB->{$_[0]} ||= { })	2900	cf::face::set_magicmap $idx, $info->{magicmap};
2192	}	2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2193		2903
2194	sub db_put($$;$) {	2904	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	},	2905	}
2208	);
2209	}
2210		2906
2211	#############################################################################	2907	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	2908	next unless $info->{smooth};
		2909	my $idx = cf::face::find $face
		2910	or next;
		2911	if (my $smooth = cf::face::find $info->{smooth}) {
		2912	cf::face::set_smooth $idx, $smooth;
		2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2914	} else {
		2915	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2916	}
2213		2917
2214	sub cfg_load {	2918	cf::cede_to_tick;
		2919	}
		2920	}
		2921
		2922	{
		2923	my $anims = $facedata->{animinfo};
		2924
		2925	while (my ($anim, $info) = each %$anims) {
		2926	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	cf::anim::invalidate_all; # d'oh
		2931	}
		2932
		2933	{
		2934	# TODO: for gcfclient pleasure, we should give resources
		2935	# that gcfclient doesn't grok a >10000 face index.
		2936	my $res = $facedata->{resource};
		2937
		2938	my $soundconf = delete $res->{"res/sound.conf"};
		2939
		2940	while (my ($name, $info) = each %$res) {
		2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2942	my $data;
		2943
		2944	if ($info->{type} & 1) {
		2945	# prepend meta info
		2946
		2947	my $meta = $enc->encode ({
		2948	name => $name,
		2949	%{ $info->{meta} || {} },
		2950	});
		2951
		2952	$data = pack "(w/a*)*", $meta, $info->{data};
		2953	} else {
		2954	$data = $info->{data};
		2955	}
		2956
		2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2958	cf::face::set_type $idx, $info->{type};
		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
		2963	if ($soundconf) {
		2964	$soundconf = $enc->decode (delete $soundconf->{data});
		2965
		2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2967	my $sound = $soundconf->{compat}[$_]
		2968	or next;
		2969
		2970	my $face = cf::face::find "sound/$sound->[1]";
		2971	cf::sound::set $sound->[0] => $face;
		2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2973	}
		2974
		2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2976	my $face = cf::face::find "sound/$v";
		2977	cf::sound::set $k => $face;
		2978	}
		2979	}
		2980	}
		2981
		2982	1
		2983	}
		2984
		2985	register_exticmd fx_want => sub {
		2986	my ($ns, $want) = @_;
		2987
		2988	while (my ($k, $v) = each %$want) {
		2989	$ns->fx_want ($k, $v);
		2990	}
		2991	};
		2992
		2993	sub reload_regions {
		2994	# HACK to clear player env face cache, we need some signal framework
		2995	# for this (global event?)
		2996	%ext::player_env::MUSIC_FACE_CACHE = ();
		2997
		2998	load_resource_file "$MAPDIR/regions"
		2999	or die "unable to load regions file\n";
		3000
		3001	for (cf::region::list) {
		3002	$_->{match} = qr/$_->{match}/
		3003	if exists $_->{match};
		3004	}
		3005	}
		3006
		3007	sub reload_facedata {
		3008	load_facedata "$DATADIR/facedata"
		3009	or die "unable to load facedata\n";
		3010	}
		3011
		3012	sub reload_archetypes {
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	#d# NEED to laod twice to resolve forward references
		3016	# this really needs to be done in an extra post-pass
		3017	# (which needs to be synchronous, so solve it differently)
		3018	load_resource_file "$DATADIR/archetypes"
		3019	or die "unable to load archetypes\n";
		3020	}
		3021
		3022	sub reload_treasures {
		3023	load_resource_file "$DATADIR/treasures"
		3024	or die "unable to load treasurelists\n";
		3025	}
		3026
		3027	sub reload_resources {
		3028	warn "reloading resource files...\n";
		3029
		3030	reload_regions;
		3031	reload_facedata;
		3032	#reload_archetypes;#d#
		3033	reload_archetypes;
		3034	reload_treasures;
		3035
		3036	warn "finished reloading resource files\n";
		3037	}
		3038
		3039	sub init {
		3040	reload_resources;
		3041	}
		3042
		3043	sub reload_config {
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3044	open my $fh, "<:utf8", "$CONFDIR/config"
2216	or return;	3045	or return;
2217		3046
2218	local $/;	3047	local $/;
2219	*CFG = YAML::Syck::Load <$fh>;	3048	*CFG = YAML::Syck::Load <$fh>;
2220		3049
…		…
2239	(async {	3068	(async {
2240	Event::one_event;	3069	Event::one_event;
2241	})->prio (Coro::PRIO_MAX);	3070	})->prio (Coro::PRIO_MAX);
2242	};	3071	};
2243		3072
2244	cfg_load;	3073	reload_config;
2245	db_load;	3074	db_init;
2246	load_extensions;	3075	load_extensions;
		3076
		3077	$TICK_WATCHER->start;
2247	Event::loop;	3078	Event::loop;
2248	}	3079	}
2249		3080
2250	#############################################################################	3081	#############################################################################
2251	# initialisation and cleanup	3082	# initialisation and cleanup
2252		3083
2253	# install some emergency cleanup handlers	3084	# install some emergency cleanup handlers
2254	BEGIN {	3085	BEGIN {
2255	for my $signal (qw(INT HUP TERM)) {	3086	for my $signal (qw(INT HUP TERM)) {
2256	Event->signal (	3087	Event->signal (
		3088	reentrant => 0,
2257	data => WF_AUTOCANCEL,	3089	data => WF_AUTOCANCEL,
2258	signal => $signal,	3090	signal => $signal,
		3091	prio => 0,
2259	cb => sub {	3092	cb => sub {
2260	cf::cleanup "SIG$signal";	3093	cf::cleanup "SIG$signal";
2261	},	3094	},
2262	);	3095	);
2263	}	3096	}
		3097	}
		3098
		3099	sub write_runtime {
		3100	my $runtime = "$LOCALDIR/runtime";
		3101
		3102	# first touch the runtime file to show we are still running:
		3103	# the fsync below can take a very very long time.
		3104
		3105	IO::AIO::aio_utime $runtime, undef, undef;
		3106
		3107	my $guard = cf::lock_acquire "write_runtime";
		3108
		3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3110	or return;
		3111
		3112	my $value = $cf::RUNTIME + 90 + 10;
		3113	# 10 is the runtime save interval, for a monotonic clock
		3114	# 60 allows for the watchdog to kill the server.
		3115
		3116	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3117	and return;
		3118
		3119	# always fsync - this file is important
		3120	aio_fsync $fh
		3121	and return;
		3122
		3123	# touch it again to show we are up-to-date
		3124	aio_utime $fh, undef, undef;
		3125
		3126	close $fh
		3127	or return;
		3128
		3129	aio_rename "$runtime~", $runtime
		3130	and return;
		3131
		3132	warn "runtime file written.\n";
		3133
		3134	1
2264	}	3135	}
2265		3136
2266	sub emergency_save() {	3137	sub emergency_save() {
2267	my $freeze_guard = cf::freeze_mainloop;	3138	my $freeze_guard = cf::freeze_mainloop;
2268		3139
…		…
2285	my $map = $cf::MAP{$path} or next;	3156	my $map = $cf::MAP{$path} or next;
2286	$map->valid or next;	3157	$map->valid or next;
2287	$map->save;	3158	$map->save;
2288	}	3159	}
2289	warn "end emergency map save\n";	3160	warn "end emergency map save\n";
		3161
		3162	warn "begin emergency database checkpoint\n";
		3163	BDB::db_env_txn_checkpoint $DB_ENV;
		3164	warn "end emergency database checkpoint\n";
2290	};	3165	};
2291		3166
2292	warn "leave emergency perl save\n";	3167	warn "leave emergency perl save\n";
2293	}	3168	}
2294		3169
		3170	sub post_cleanup {
		3171	my ($make_core) = @_;
		3172
		3173	warn Carp::longmess "post_cleanup backtrace"
		3174	if $make_core;
		3175	}
		3176
2295	sub reload() {	3177	sub do_reload_perl() {
2296	# can/must only be called in main	3178	# can/must only be called in main
2297	if ($Coro::current != $Coro::main) {	3179	if ($Coro::current != $Coro::main) {
2298	warn "can only reload from main coroutine\n";	3180	warn "can only reload from main coroutine";
2299	return;	3181	return;
2300	}	3182	}
2301		3183
2302	warn "reloading...";	3184	warn "reloading...";
2303		3185
2304	warn "freezing server";	3186	warn "entering sync_job";
2305	my $guard = freeze_mainloop;	3187
		3188	cf::sync_job {
		3189	cf::write_runtime; # external watchdog should not bark
2306	cf::emergency_save;	3190	cf::emergency_save;
		3191	cf::write_runtime; # external watchdog should not bark
2307		3192
2308	warn "sync database to disk";	3193	warn "syncing database to disk";
2309	cf::db_sync;	3194	BDB::db_env_txn_checkpoint $DB_ENV;
2310	IO::AIO::flush;
2311		3195
2312	eval {
2313	# if anything goes wrong in here, we should simply crash as we already saved	3196	# if anything goes wrong in here, we should simply crash as we already saved
2314		3197
2315	warn "cancel all watchers";	3198	warn "cancelling all WF_AUTOCANCEL watchers";
2316	for (Event::all_watchers) {	3199	for (Event::all_watchers) {
2317	$_->cancel if $_->data & WF_AUTOCANCEL;	3200	$_->cancel if $_->data & WF_AUTOCANCEL;
2318	}	3201	}
2319		3202
		3203	warn "flushing outstanding aio requests";
		3204	for (;;) {
		3205	BDB::flush;
		3206	IO::AIO::flush;
		3207	Coro::cede;
		3208	last unless IO::AIO::nreqs || BDB::nreqs;
		3209	warn "iterate...";
		3210	}
		3211
		3212	++$RELOAD;
		3213
2320	warn "cancel all extension coros";	3214	warn "cancelling all extension coros";
2321	$_->cancel for values %EXT_CORO;	3215	$_->cancel for values %EXT_CORO;
2322	%EXT_CORO = ();	3216	%EXT_CORO = ();
2323		3217
2324	warn "remove commands";	3218	warn "removing commands";
2325	%COMMAND = ();	3219	%COMMAND = ();
2326		3220
2327	warn "remove ext commands";	3221	warn "removing ext/exti commands";
2328	%EXTCMD = ();	3222	%EXTCMD = ();
		3223	%EXTICMD = ();
2329		3224
2330	warn "unload/nuke all extensions";	3225	warn "unloading/nuking all extensions";
2331	for my $pkg (@EXTS) {	3226	for my $pkg (@EXTS) {
2332	warn "... unloading $pkg";	3227	warn "... unloading $pkg";
2333		3228
2334	if (my $cb = $pkg->can ("unload")) {	3229	if (my $cb = $pkg->can ("unload")) {
2335	eval {	3230	eval {
…		…
2340		3235
2341	warn "... nuking $pkg";	3236	warn "... nuking $pkg";
2342	Symbol::delete_package $pkg;	3237	Symbol::delete_package $pkg;
2343	}	3238	}
2344		3239
2345	warn "unload all perl modules loaded from $LIBDIR";	3240	warn "unloading all perl modules loaded from $LIBDIR";
2346	while (my ($k, $v) = each %INC) {	3241	while (my ($k, $v) = each %INC) {
2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3242	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2348		3243
2349	warn "removing <$k>";	3244	warn "... unloading $k";
2350	delete $INC{$k};	3245	delete $INC{$k};
2351		3246
2352	$k =~ s/\.pm$//;	3247	$k =~ s/\.pm$//;
2353	$k =~ s/\//::/g;	3248	$k =~ s/\//::/g;
2354		3249
…		…
2357	}	3252	}
2358		3253
2359	Symbol::delete_package $k;	3254	Symbol::delete_package $k;
2360	}	3255	}
2361		3256
2362	warn "get rid of safe::, as good as possible";	3257	warn "getting rid of safe::, as good as possible";
2363	Symbol::delete_package "safe::$_"	3258	Symbol::delete_package "safe::$_"
2364	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3259	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2365		3260
2366	warn "unload cf.pm \"a bit\"";	3261	warn "unloading cf.pm \"a bit\"";
2367	delete $INC{"cf.pm"};	3262	delete $INC{"cf.pm"};
		3263	delete $INC{"cf/pod.pm"};
2368		3264
2369	# don't, removes xs symbols, too,	3265	# don't, removes xs symbols, too,
2370	# and global variables created in xs	3266	# and global variables created in xs
2371	#Symbol::delete_package __PACKAGE__;	3267	#Symbol::delete_package __PACKAGE__;
2372		3268
		3269	warn "unload completed, starting to reload now";
		3270
2373	warn "reloading cf.pm";	3271	warn "reloading cf.pm";
2374	require cf;	3272	require cf;
2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2376		3274
2377	warn "load config and database again";	3275	warn "loading config and database again";
2378	cf::cfg_load;	3276	cf::reload_config;
2379	cf::db_load;
2380		3277
2381	warn "load extensions";	3278	warn "loading extensions";
2382	cf::load_extensions;	3279	cf::load_extensions;
2383		3280
2384	warn "reattach attachments to objects/players";	3281	warn "reattaching attachments to objects/players";
2385	_global_reattach;	3282	_global_reattach; # objects, sockets
2386	warn "reattach attachments to maps";	3283	warn "reattaching attachments to maps";
2387	reattach $_ for values %MAP;	3284	reattach $_ for values %MAP;
2388	};	3285	warn "reattaching attachments to players";
		3286	reattach $_ for values %PLAYER;
2389		3287
2390	if ($@) {	3288	warn "leaving sync_job";
		3289
		3290	1
		3291	} or do {
2391	warn $@;	3292	warn $@;
2392	warn "error while reloading, exiting.";	3293	warn "error while reloading, exiting.";
2393	exit 1;	3294	exit 1;
2394	}	3295	};
2395		3296
2396	warn "reloaded";	3297	warn "reloaded";
2397	};	3298	};
2398		3299
2399	our $RELOAD_WATCHER; # used only during reload	3300	our $RELOAD_WATCHER; # used only during reload
2400		3301
		3302	sub reload_perl() {
		3303	# doing reload synchronously and two reloads happen back-to-back,
		3304	# coro crashes during coro_state_free->destroy here.
		3305
		3306	$RELOAD_WATCHER ||= Event->timer (
		3307	reentrant => 0,
		3308	after => 0,
		3309	data => WF_AUTOCANCEL,
		3310	cb => sub {
		3311	do_reload_perl;
		3312	undef $RELOAD_WATCHER;
		3313	},
		3314	);
		3315	}
		3316
2401	register_command "reload" => sub {	3317	register_command "reload" => sub {
2402	my ($who, $arg) = @_;	3318	my ($who, $arg) = @_;
2403		3319
2404	if ($who->flag (FLAG_WIZ)) {	3320	if ($who->flag (FLAG_WIZ)) {
2405	$who->message ("reloading server.");	3321	$who->message ("reloading server.");
2406		3322	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	}	3323	}
2415	};	3324	};
2416		3325
2417	unshift @INC, $LIBDIR;	3326	unshift @INC, $LIBDIR;
2418		3327
		3328	my $bug_warning = 0;
		3329
		3330	our @WAIT_FOR_TICK;
		3331	our @WAIT_FOR_TICK_BEGIN;
		3332
		3333	sub wait_for_tick {
		3334	return unless $TICK_WATCHER->is_active;
		3335	return if $Coro::current == $Coro::main;
		3336
		3337	my $signal = new Coro::Signal;
		3338	push @WAIT_FOR_TICK, $signal;
		3339	$signal->wait;
		3340	}
		3341
		3342	sub wait_for_tick_begin {
		3343	return unless $TICK_WATCHER->is_active;
		3344	return if $Coro::current == $Coro::main;
		3345
		3346	my $signal = new Coro::Signal;
		3347	push @WAIT_FOR_TICK_BEGIN, $signal;
		3348	$signal->wait;
		3349	}
		3350
		3351	my $min = 1e6;#d#
		3352	my $avg = 10;
2419	$TICK_WATCHER = Event->timer (	3353	$TICK_WATCHER = Event->timer (
2420	reentrant => 0,	3354	reentrant => 0,
		3355	parked => 1,
2421	prio => 0,	3356	prio => 0,
2422	at => $NEXT_TICK || $TICK,	3357	at => $NEXT_TICK || $TICK,
2423	data => WF_AUTOCANCEL,	3358	data => WF_AUTOCANCEL,
2424	cb => sub {	3359	cb => sub {
		3360	if ($Coro::current != $Coro::main) {
		3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3362	unless ++$bug_warning > 10;
		3363	return;
		3364	}
		3365
2425	$NOW = Event::time;	3366	$NOW = $tick_start = Event::time;
2426		3367
2427	cf::server_tick; # one server iteration	3368	cf::server_tick; # one server iteration
		3369
		3370	0 && sync_job {#d#
		3371	for(1..10) {
		3372	my $t = Event::time;
		3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3374	or die;
		3375
		3376	$map->width (50);
		3377	$map->height (50);
		3378	$map->alloc;
		3379	$map->_load_objects ("/tmp/x.map", 1);
		3380	my $t = Event::time - $t;
		3381
		3382	#next unless $t < 0.0013;#d#
		3383	if ($t < $min) {
		3384	$min = $t;
		3385	}
		3386	$avg = $avg * 0.99 + $t * 0.01;
		3387	}
		3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3389	exit 0;
		3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3391	};
		3392
2428	$RUNTIME += $TICK;	3393	$RUNTIME += $TICK;
2429	$NEXT_TICK += $TICK;	3394	$NEXT_TICK += $TICK;
2430		3395
2431	$WAIT_FOR_TICK->broadcast;	3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3398	Coro::async_pool {
		3399	write_runtime
		3400	or warn "ERROR: unable to write runtime file: $!";
		3401	};
		3402	}
		3403
		3404	# my $AFTER = Event::time;
		3405	# warn $AFTER - $NOW;#d#
		3406
		3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3408	$sig->send;
		3409	}
		3410	while (my $sig = shift @WAIT_FOR_TICK) {
		3411	$sig->send;
		3412	}
		3413
		3414	$NOW = Event::time;
2433		3415
2434	# if we are delayed by four ticks or more, skip them all	3416	# if we are delayed by four ticks or more, skip them all
2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2436		3418
2437	$TICK_WATCHER->at ($NEXT_TICK);	3419	$TICK_WATCHER->at ($NEXT_TICK);
2438	$TICK_WATCHER->start;	3420	$TICK_WATCHER->start;
		3421
		3422	$LOAD = ($NOW - $tick_start) / $TICK;
		3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3424
		3425	_post_tick;
		3426
		3427
2439	},	3428	},
2440	);	3429	);
2441		3430
		3431	{
		3432	BDB::max_poll_time $TICK * 0.1;
		3433	$BDB_POLL_WATCHER = Event->io (
		3434	reentrant => 0,
		3435	fd => BDB::poll_fileno,
		3436	poll => 'r',
		3437	prio => 0,
		3438	data => WF_AUTOCANCEL,
		3439	cb => \&BDB::poll_cb,
		3440	);
		3441	BDB::min_parallel 8;
		3442
		3443	BDB::set_sync_prepare {
		3444	my $status;
		3445	my $current = $Coro::current;
		3446	(
		3447	sub {
		3448	$status = $!;
		3449	$current->ready; undef $current;
		3450	},
		3451	sub {
		3452	Coro::schedule while defined $current;
		3453	$! = $status;
		3454	},
		3455	)
		3456	};
		3457
		3458	unless ($DB_ENV) {
		3459	$DB_ENV = BDB::db_env_create;
		3460
		3461	cf::sync_job {
		3462	eval {
		3463	BDB::db_env_open
		3464	$DB_ENV,
		3465	$BDBDIR,
		3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3468	0666;
		3469
		3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3471
		3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3473	$DB_ENV->set_lk_detect;
		3474	};
		3475
		3476	cf::cleanup "db_env_open(db): $@" if $@;
		3477	};
		3478	}
		3479	}
		3480
		3481	{
		3482	IO::AIO::min_parallel 8;
		3483
		3484	undef $Coro::AIO::WATCHER;
2442	IO::AIO::max_poll_time $TICK * 0.2;	3485	IO::AIO::max_poll_time $TICK * 0.1;
2443
2444	$AIO_POLL_WATCHER = Event->io (	3486	$AIO_POLL_WATCHER = Event->io (
2445	fd => IO::AIO::poll_fileno,	3487	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,	3488	data => WF_AUTOCANCEL,
2454	after => 0,	3489	fd => IO::AIO::poll_fileno,
2455	interval => 10,	3490	poll => 'r',
2456	cb => sub {	3491	prio => 6,
2457	(Coro::unblock_sub {	3492	cb => \&IO::AIO::poll_cb,
2458	write_runtime	3493	);
2459	or warn "ERROR: unable to write runtime file: $!";	3494	}
		3495
		3496	my $_log_backtrace;
		3497
		3498	sub _log_backtrace {
		3499	my ($msg, @addr) = @_;
		3500
		3501	$msg =~ s/\n//;
		3502
		3503	# limit the # of concurrent backtraces
		3504	if ($_log_backtrace < 2) {
		3505	++$_log_backtrace;
		3506	async {
		3507	my @bt = fork_call {
		3508	@addr = map { sprintf "%x", $_ } @addr;
		3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3511	or die "addr2line: $!";
		3512
		3513	my @funcs;
		3514	my @res = <$fh>;
		3515	chomp for @res;
		3516	while (@res) {
		3517	my ($func, $line) = splice @res, 0, 2, ();
		3518	push @funcs, "[$func] $line";
		3519	}
		3520
		3521	@funcs
		3522	};
		3523
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] $_\n" for @bt;
		3526	--$_log_backtrace;
2460	})->();	3527	};
		3528	} else {
		3529	LOG llevInfo, "[ABT] $msg\n";
		3530	LOG llevInfo, "[ABT] [suppressed]\n";
2461	},	3531	}
2462	);	3532	}
		3533
		3534	# load additional modules
		3535	use cf::pod;
2463		3536
2464	END { cf::emergency_save }	3537	END { cf::emergency_save }
2465		3538
2466	1	3539	1
2467		3540

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