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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 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, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # 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 + 90 + 10;	479	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		480
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	sub fork_call(&@) {
359	and return;	482	my ($cb, @args) = @_;
360		483
361	aio_fsync $fh	484	# we seemingly have to make a local copy of the whole thing,
362	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
363		487
364	close $fh	488	my @res = Coro::Util::fork_eval {
365	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
366		492
367	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
368	and return;	494	}
369		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	};
370	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 });
371	}	621	}
372		622
373	=back	623	=back
374		624
375	=cut	625	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
384		634
385	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>
386	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
387	crossfire+).	637	Crossfire TRT).
388		638
389	=over 4	639	=over 4
390		640
391	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
392		642
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
556		806
557	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		811
562	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	813	my $pkg = shift @arg;
564		814
565	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
595	}	845	}
596		846
597	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
598	} else {	848	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	850	}
601		851
602	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
603	}	853	}
604		854
…		…
606	if (ref $_[0]) {	856	if (ref $_[0]) {
607	_object_attach @_;	857	_object_attach @_;
608	} else {	858	} else {
609	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
610	}	860	}
		861	_recalc_want;
611	};	862	};
612		863
613	# all those should be optimised	864	# all those should be optimised
614	sub cf::attachable::detach {	865	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
619	reattach ($obj);	870	reattach ($obj);
620	} else {	871	} else {
621	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
622	}	873	}
		874	_recalc_want;
623	};	875	};
624		876
625	sub cf::attachable::attached {	877	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
627		879
…		…
642	";	894	";
643	die if $@;	895	die if $@;
644	}	896	}
645		897
646	our $override;	898	our $override;
647	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?
648		900
649	sub override {	901	sub override {
650	$override = 1;	902	$override = 1;
651	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
652	}	904	}
653		905
654	sub do_invoke {	906	sub do_invoke {
655	my $event = shift;	907	my $event = shift;
656	my $callbacks = shift;	908	my $callbacks = shift;
657		909
658	@invoke_results = ();	910	@INVOKE_RESULTS = ();
659		911
660	local $override;	912	local $override;
661		913
662	for (@$callbacks) {	914	for (@$callbacks) {
663	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
680		932
681	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
682		934
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		938
687	=back	939	=back
688		940
689	=cut	941	=cut
690		942
691	#############################################################################	943	#############################################################################
692	# 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	}
693		956
694	sub reattach {	957	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	959	my ($obj) = @_;
697		960
…		…
742	);	1005	);
743		1006
744	sub object_freezer_save {	1007	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
746		1009
		1010	my $guard = cf::lock_acquire "io";
		1011
747	sync_job {	1012	sync_job {
748	if (length $$rdata) {	1013	if (length $$rdata) {
749	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
751		1016
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1018	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1020	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1021	close $fh;
757		1022
758	if (@$objs) {	1023	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1024	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1025	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1026	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1027	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1029	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1030	aio_rename "$filename.pst~", "$filename.pst";
766	}	1031	}
767	} else {	1032	} else {
768	aio_unlink "$filename.pst";	1033	aio_unlink "$filename.pst";
…		…
774	}	1039	}
775	} else {	1040	} else {
776	aio_unlink $filename;	1041	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
778	}	1043	}
779	}	1044	};
		1045
		1046	undef $guard;
780	}	1047	}
781		1048
782	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
784		1051
…		…
789		1056
790	sub object_thawer_load {	1057	sub object_thawer_load {
791	my ($filename) = @_;	1058	my ($filename) = @_;
792		1059
793	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
794		1063
795	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
796	or return;	1065	or return;
797		1066
798	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
800	or return;	1069	or return;
		1070
		1071	undef $guard;
801	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1073	}
803		1074
804	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
806	return ($data, $av);	1078	($data, $av)
807	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
808		1086
809	#############################################################################	1087	#############################################################################
810	# command handling &c	1088	# command handling &c
811		1089
812	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1104	}
827		1105
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1107
830	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
831		1113
832	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
833	called.	1115	called.
834		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
835	=cut	1128	=cut
836		1129
837	sub register_extcmd {	1130	sub register_extcmd {
838	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
839		1132
840	$EXTCMD{$name} = $cb;	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
841	}	1140	}
842		1141
843	cf::player->attach (	1142	cf::player->attach (
844	on_command => sub {	1143	on_command => sub {
845	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1153	cf::override;
855	},	1154	},
856	on_extcmd => sub {	1155	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
858		1157
859	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1159
861	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
867	} else {	1175	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1177	}
870		1178
871	cf::override;	1179	cf::override;
872	},	1180	},
873	);	1181	);
874		1182
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
910	for my $ext (<$LIBDIR/*.ext>) {	1187	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1188	next unless -r $path;
912	eval {	1189
913	load_extension $ext;	1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
914	1	1247	}
915	} or warn "$ext not loaded: $@";	1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
916	}	1253	};
917	}	1254	}
918		1255
919	#############################################################################	1256	#############################################################################
920		1257
		1258	=back
		1259
921	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
922		1261
923	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
924		1263
925	=cut	1264	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1276	Returns the given player object, loading it if necessary (might block).
938		1277
939	=cut	1278	=cut
940		1279
941	sub playerdir($) {	1280	sub playerdir($) {
942	cf::localdir	1281	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1283	}
948		1284
949	sub path($) {	1285	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1287
952	(playerdir $login) . "/$login.pl"	1288	(playerdir $login) . "/playerdata"
953	}	1289	}
954		1290
955	sub find_active($) {	1291	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1292	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1293	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1306	my $login = $_[0];
971		1307
972	my $guard = cf::lock_acquire "user_find:$login";	1308	my $guard = cf::lock_acquire "user_find:$login";
973		1309
974	$cf::PLAYER{$_[0]} || do {	1310	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1311	# rename old playerfiles to new ones
		1312	#TODO: remove when no longer required
		1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1316	aio_unlink +(playerdir $login) . "/$login.pl";
		1317
		1318	my $f = new_from_file cf::object::thawer path $login
976	or return;	1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
978	}	1327	}
979	}	1328	}
980	}	1329	}
981		1330
…		…
991		1340
992	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
994		1343
995	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
996	Coro::cede;	1345	cf::cede_to_tick;
997	}	1346	}
998		1347
999	sub new($) {	1348	sub new($) {
1000	my ($login) = @_;	1349	my ($login) = @_;
1001		1350
…		…
1007	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
1008		1357
1009	$self	1358	$self
1010	}	1359	}
1011		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
		1369	}
		1370
1012	=item $pl->quit_character	1371	=item $pl->quit_character
1013		1372
1014	Nukes the player without looking back. If logged in, the connection will	1373	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1374	be destroyed. May block for a long time.
1016		1375
1017	=cut	1376	=cut
1018		1377
1019	sub quit_character {	1378	sub quit_character {
1020	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1021		1382
1022	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1385
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
1035	IO::AIO::aio_rmtree $temp;	1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
1036	}	1417	}
1037		1418
1038	=item cf::player::list_logins	1419	=item cf::player::list_logins
1039		1420
1040	Returns am arrayref of all valid playernames in the system, can take a	1421	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1042		1423
1043	=cut	1424	=cut
1044		1425
1045	sub list_logins {	1426	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1428	or return [];
1048		1429
1049	my @logins;	1430	my @logins;
1050		1431
1051	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1055		1441
1056	utf8::decode $login;	1442	utf8::decode $login;
1057	push @logins, $login;	1443	push @logins, $login;
1058	}	1444	}
1059		1445
…		…
1067		1453
1068	=cut	1454	=cut
1069		1455
1070	sub maps($) {	1456	sub maps($) {
1071	my ($pl) = @_;	1457	my ($pl) = @_;
		1458
		1459	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1460
1073	my $files = aio_readdir playerdir $pl	1461	my $files = aio_readdir playerdir $pl
1074	or return;	1462	or return;
1075		1463
1076	my @paths;	1464	my @paths;
…		…
1078	for (@$files) {	1466	for (@$files) {
1079	utf8::decode $_;	1467	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1468	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1469	next unless /^$PATH_SEP/o;
1082		1470
1083	s/\.map$//;	1471	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1472	}
1086		1473
1087	\@paths	1474	\@paths
1088	}	1475	}
1089		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1091		1529
1092	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1093		1531
1094	=cut	1532	=cut
1095		1533
1096	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1098		1536
1099	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1538	}
1103		1539
1104	package cf;	1540	=item $player->ext_msg ($type, @msg)
		1541
		1542	Sends an ext event to the client.
		1543
		1544	=cut
		1545
		1546	sub ext_msg($$@) {
		1547	my ($self, $type, @msg) = @_;
		1548
		1549	$self->ns->ext_msg ($type, @msg);
		1550	}
		1551
		1552	=head3 cf::region
		1553
		1554	=over 4
		1555
		1556	=cut
		1557
		1558	package cf::region;
		1559
		1560	=item cf::region::find_by_path $path
		1561
		1562	Tries to decuce the likely region for a map knowing only its path.
		1563
		1564	=cut
		1565
		1566	sub find_by_path($) {
		1567	my ($path) = @_;
		1568
		1569	my ($match, $specificity);
		1570
		1571	for my $region (list) {
		1572	if ($region->{match} && $path =~ $region->{match}) {
		1573	($match, $specificity) = ($region, $region->specificity)
		1574	if $region->specificity > $specificity;
		1575	}
		1576	}
		1577
		1578	$match
		1579	}
1105		1580
1106	=back	1581	=back
1107
1108		1582
1109	=head3 cf::map	1583	=head3 cf::map
1110		1584
1111	=over 4	1585	=over 4
1112		1586
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1614	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1615	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1616	)
1143	}	1617	}
1144		1618
		1619	=item cf::map->register ($regex, $prio)
		1620
		1621	Register a handler for the map path matching the given regex at the
		1622	givne priority (higher is better, built-in handlers have priority 0, the
		1623	default).
		1624
		1625	=cut
		1626
1145	sub register {	1627	sub register {
1146	my (undef, $regex) = @_;	1628	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1629	my $pkg = caller;
1148		1630
1149	no strict;	1631	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1632	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1633
1152	$EXT_MAP{$pkg} = qr<$regex>;	1634	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1635	}
1154		1636
1155	# also paths starting with '/'	1637	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1638	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1639
1158	sub thawer_merge {	1640	sub thawer_merge {
1159	my ($self, $merge) = @_;	1641	my ($self, $merge) = @_;
1160		1642
1161	# we have to keep some variables in memory intact	1643	# we have to keep some variables in memory intact
1162	local $self->{path};	1644	local $self->{path};
1163	local $self->{load_path};	1645	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1646
1167	$self->SUPER::thawer_merge ($merge);	1647	$self->SUPER::thawer_merge ($merge);
1168	}	1648	}
1169		1649
1170	sub normalise {	1650	sub normalise {
1171	my ($path, $base) = @_;	1651	my ($path, $base) = @_;
		1652
		1653	$path = "$path"; # make sure its a string
		1654
		1655	$path =~ s/\.map$//;
1172		1656
1173	# map plan:	1657	# map plan:
1174	#	1658	#
1175	# /! non-realised random map exit (special hack!)	1659	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1660	# {... are special paths that are not being touched
…		…
1204		1688
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1689	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1690
1207	$path = normalise $path, $base;	1691	$path = normalise $path, $base;
1208		1692
1209	for my $pkg (keys %EXT_MAP) {	1693	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1694	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1695	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1696	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1697	$self->init; # pass $1 etc.
1214	return $self;	1698	return $self;
1215	}	1699	}
1216	}	1700	}
1217		1701
1218	Carp::carp "unable to resolve path '$path'.";	1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
1219	()	1703	()
1220	}	1704	}
1221		1705
1222	sub init {	1706	sub init {
1223	my ($self) = @_;	1707	my ($self) = @_;
…		…
1238		1722
1239	# the original (read-only) location	1723	# the original (read-only) location
1240	sub load_path {	1724	sub load_path {
1241	my ($self) = @_;	1725	my ($self) = @_;
1242		1726
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1727	"$MAPDIR/$self->{path}.map"
1244	}	1728	}
1245		1729
1246	# the temporary/swap location	1730	# the temporary/swap location
1247	sub save_path {	1731	sub save_path {
1248	my ($self) = @_;	1732	my ($self) = @_;
1249		1733
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1735	"$TMPDIR/$path.map"
1252	}	1736	}
1253		1737
1254	# the unique path, undef == no special unique path	1738	# the unique path, undef == no special unique path
1255	sub uniq_path {	1739	sub uniq_path {
1256	my ($self) = @_;	1740	my ($self) = @_;
1257		1741
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1743	"$UNIQUEDIR/$path"
1260	}	1744	}
1261		1745
1262	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1263	# all maps in C++...	1747	# all maps in C++...
1264	sub change_all_map_light {	1748	sub change_all_map_light {
…		…
1266		1750
1267	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1268	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1269	}	1753	}
1270		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
1271	sub unlink_save {	1763	sub unlink_save {
1272	my ($self) = @_;	1764	my ($self) = @_;
1273		1765
1274	utf8::encode (my $save = $self->save_path);	1766	utf8::encode (my $save = $self->save_path);
1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1278		1770
1279	sub load_header_from($) {	1771	sub load_header_from($) {
1280	my ($self, $path) = @_;	1772	my ($self, $path) = @_;
1281		1773
1282	utf8::encode $path;	1774	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1284	or return;	1776	or return;
1285		1777
1286	$self->_load_header ($path)	1778	$self->_load_header ($f)
1287	or return;	1779	or return;
1288		1780
		1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
		1783
1289	$self->{load_path} = $path;	1784	$self->{load_path} = $path;
1290		1785
1291	1	1786	1
1292	}	1787	}
1293		1788
1294	sub load_orig {	1789	sub load_header_orig {
1295	my ($self) = @_;	1790	my ($self) = @_;
1296		1791
1297	$self->load_header_from ($self->load_path)	1792	$self->load_header_from ($self->load_path)
1298	}	1793	}
1299		1794
1300	sub load_temp {	1795	sub load_header_temp {
1301	my ($self) = @_;	1796	my ($self) = @_;
1302		1797
1303	$self->load_header_from ($self->save_path)	1798	$self->load_header_from ($self->save_path)
		1799	}
		1800
		1801	sub prepare_temp {
		1802	my ($self) = @_;
		1803
		1804	$self->last_access ((delete $self->{last_access})
		1805	|| $cf::RUNTIME); #d#
		1806	# safety
		1807	$self->{instantiate_time} = $cf::RUNTIME
		1808	if $self->{instantiate_time} > $cf::RUNTIME;
		1809	}
		1810
		1811	sub prepare_orig {
		1812	my ($self) = @_;
		1813
		1814	$self->{load_original} = 1;
		1815	$self->{instantiate_time} = $cf::RUNTIME;
		1816	$self->last_access ($cf::RUNTIME);
		1817	$self->instantiate;
1304	}	1818	}
1305		1819
1306	sub load_header {	1820	sub load_header {
1307	my ($self) = @_;	1821	my ($self) = @_;
1308		1822
1309	if ($self->load_temp) {	1823	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1824	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1825	} else {
1316	$self->load_orig	1826	$self->load_header_orig
1317	or return;	1827	or return;
1318		1828	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	1829	}
		1830
		1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
		1833
		1834	$self->default_region (cf::region::find_by_path $self->{path})
		1835	unless $self->default_region;
1324		1836
1325	1	1837	1
1326	}	1838	}
1327		1839
1328	sub find;	1840	sub find;
…		…
1341	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1342		1854
1343	$map->load_header	1855	$map->load_header
1344	or return;	1856	or return;
1345		1857
1346	if ($map->should_reset) {	1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1859	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1860	#$cf::WAIT_FOR_TICK->wait;
1349	$map->reset;	1861	$map->reset;
1350	undef $guard;	1862	undef $guard;
1351	$map = find $path	1863	return find $path;
1352	or return;
1353	}	1864	}
1354		1865
1355	$cf::MAP{$path} = $map	1866	$cf::MAP{$path} = $map
1356	}	1867	}
1357	}	1868	}
		1869
		1870	sub pre_load { }
		1871	sub post_load { }
1358		1872
1359	sub load {	1873	sub load {
1360	my ($self) = @_;	1874	my ($self) = @_;
1361		1875
		1876	local $self->{deny_reset} = 1; # loading can take a long time
		1877
1362	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
		1881	my $guard1 = cf::lock_acquire "map_data:$path";
1363	my $guard = cf::lock_acquire "map_load:$path";	1882	my $guard2 = cf::lock_acquire "map_load:$path";
1364		1883
1365	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1366		1885
1367	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1368		1887
1369	$self->alloc;	1888	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)	1889
		1890	$self->pre_load;
		1891	cf::cede_to_tick;
		1892
		1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
		1895	$self->_load_objects ($f)
1371	or return;	1896	or return;
1372		1897
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1374	if delete $self->{load_original};	1899	if delete $self->{load_original};
1375		1900
1376	if (my $uniq = $self->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	1902	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	1905	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1381	}	1909	}
1382	}	1910	}
1383		1911
1384	Coro::cede;	1912	$f->resolve_delayed_derefs;
1385		1913
		1914	cf::cede_to_tick;
1386	# now do the right thing for maps	1915	# now do the right thing for maps
1387	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;
1394	$self->set_darkness_map;
1395	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	1918	unless $self->difficulty;
1397	Coro::cede;	1919	cf::cede_to_tick;
		1920
		1921	unless ($self->{deny_activate}) {
		1922	$self->decay_objects;
		1923	$self->fix_auto_apply;
		1924	$self->update_buttons;
		1925	cf::cede_to_tick;
		1926	$self->set_darkness_map;
		1927	cf::cede_to_tick;
1398	$self->activate;	1928	$self->activate;
1399	}	1929	}
1400		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
1401	$self->in_memory (cf::MAP_IN_MEMORY);	1934	$self->in_memory (cf::MAP_IN_MEMORY);
		1935	}
		1936
		1937	$self->post_load;
1402	}	1938	}
1403		1939
1404	sub customise_for {	1940	sub customise_for {
1405	my ($self, $ob) = @_;	1941	my ($self, $ob) = @_;
1406		1942
1407	return find "~" . $ob->name . "/" . $self->{path}	1943	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	1944	if $self->per_player;
1409		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
1410	$self	1949	$self
1411	}	1950	}
1412		1951
1413	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	1953	sub load_neighbours {
1415	my ($map) = @_;	1954	my ($map) = @_;
1416		1955
1417	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1418		1957
1419	for (0 .. 3) {	1958	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1421	or next;	1960	or next;
1422	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1423	or next;	1962	or next;
1424	$neigh->load;	1963	$neigh->load;
1425		1964
		1965	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	1968	}
1429		1969
1430	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1432	or next;	1973	or next;
1433	$neigh->load;	1974	$neigh->load;
1434	}	1975	}
1435	}	1976	}
1436		1977
…		…
1441	}	1982	}
1442		1983
1443	sub do_load_sync {	1984	sub do_load_sync {
1444	my ($map) = @_;	1985	my ($map) = @_;
1445		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1446	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1447	}	1991	}
1448		1992
1449	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	1994	our $MAP_PREFETCHER = undef;
1451		1995
1452	sub find_async {	1996	sub find_async {
1453	my ($path, $origin) = @_;	1997	my ($path, $origin, $load) = @_;
1454		1998
1455	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1456		2000
1457	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	2003	}
1460		2004
1461	undef $MAP_PREFETCH{$path};	2005	$MAP_PREFETCH{$path} |= $load;
		2006
1462	$MAP_PREFETCHER ||= cf::async {	2007	$MAP_PREFETCHER ||= cf::async {
1463	while (%MAP_PREFETCH) {	2008	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2009	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2010	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2011	$map->load if $v;
		2012	}
1468		2013
1469	delete $MAP_PREFETCH{$path};	2014	delete $MAP_PREFETCH{$k};
1470	}	2015	}
1471	}	2016	}
1472	undef $MAP_PREFETCHER;	2017	undef $MAP_PREFETCHER;
1473	};	2018	};
		2019	$MAP_PREFETCHER->prio (6);
1474		2020
1475	()	2021	()
1476	}	2022	}
1477		2023
1478	sub save {	2024	sub save {
1479	my ($self) = @_;	2025	my ($self) = @_;
1480		2026
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1482		2028
1483	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1484		2030
1485	return unless $self->dirty;	2031	return unless $self->dirty;
1486		2032
…		…
1509	my ($self) = @_;	2055	my ($self) = @_;
1510		2056
1511	# save first because save cedes	2057	# save first because save cedes
1512	$self->save;	2058	$self->save;
1513		2059
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2061
1516	return if $self->players;	2062	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1518	return if $self->{deny_save};	2064	return if $self->{deny_save};
1519		2065
…		…
1523		2069
1524	sub reset_at {	2070	sub reset_at {
1525	my ($self) = @_;	2071	my ($self) = @_;
1526		2072
1527	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1530		2075
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2078
…		…
1544	my ($self) = @_;	2089	my ($self) = @_;
1545		2090
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2092
1548	return if $self->players;	2093	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2094
1551	warn "resetting map ", $self->path;#d#	2095	warn "resetting map ", $self->path;
		2096
		2097	$self->in_memory (cf::MAP_SWAPPED);
		2098
		2099	# need to save uniques path
		2100	unless ($self->{deny_save}) {
		2101	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2102
		2103	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2104	if $uniq;
		2105	}
1552		2106
1553	delete $cf::MAP{$self->path};	2107	delete $cf::MAP{$self->path};
1554		2108
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	$self->clear;	2109	$self->clear;
1557		2110
1558	$_->clear_links_to ($self) for values %cf::MAP;	2111	$_->clear_links_to ($self) for values %cf::MAP;
1559		2112
1560	$self->unlink_save;	2113	$self->unlink_save;
…		…
1564	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1565		2118
1566	sub nuke {	2119	sub nuke {
1567	my ($self) = @_;	2120	my ($self) = @_;
1568		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
1569	delete $cf::MAP{$self->path};	2125	delete $cf::MAP{$self->path};
1570		2126
1571	$self->unlink_save;	2127	$self->unlink_save;
1572		2128
1573	bless $self, "cf::map";	2129	bless $self, "cf::map";
1574	delete $self->{deny_reset};	2130	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2134
1579	$cf::MAP{$self->path} = $self;	2135	$cf::MAP{$self->path} = $self;
		2136	}
1580		2137
1581	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
		2139	}
		2140
		2141	=item $maps = cf::map::tmp_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
		2157	}
		2158
		2159	=item $maps = cf::map::random_maps
		2160
		2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
		2163
		2164	=cut
		2165
		2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
1582	}	2175	}
1583		2176
1584	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1585		2178
1586	Returns an arrayref of paths of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2180	instantiated unique items. May block.
1588		2181
1589	=cut	2182	=cut
1590		2183
1591	sub unique_maps() {	2184	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2185	[
1593	or return;	2186	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2187	utf8::decode $_;
1599	next if /\.pst$/;
1600	next unless /^$PATH_SEP/o;
1601
1602	s/\.map$//;	2188	/\.map$/
1603	push @paths, $_;	2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2192	]
1605
1606	\@paths
1607	}	2193	}
1608		2194
1609	package cf;	2195	package cf;
1610		2196
1611	=back	2197	=back
…		…
1629	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1630	}	2216	}
1631		2217
1632	sub inv_recursive {	2218	sub inv_recursive {
1633	inv_recursive_ inv $_[0]	2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
1634	}	2251	}
1635		2252
1636	package cf;	2253	package cf;
1637		2254
1638	=back	2255	=back
…		…
1657		2274
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2276
1660	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1662	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1665	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1666	}	2302	}
1667		2303
1668	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1669		2305
1670	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1702	=cut	2338	=cut
1703		2339
1704	sub link_map {	2340	sub link_map {
1705	unless ($LINK_MAP) {	2341	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2342	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2343	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2344	$LINK_MAP->load;
1709	}	2345	}
1710		2346
1711	$LINK_MAP	2347	$LINK_MAP
1712	}	2348	}
…		…
1717	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1718		2354
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2356
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1723		2359
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2361	}
1726		2362
1727	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1729		2367
1730	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1731		2369
1732	unless ($map) {	2370	unless ($map) {
1733	# restore original map position	2371	# restore original map position
…		…
1747	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1750		2388
1751	$map->load;	2389	$map->load;
1752	$map->load_diag;	2390	$map->load_neighbours;
1753		2391
1754	return unless $self->contr->active;	2392	return unless $self->contr->active;
1755	$self->activate_recursive;	2393	$self->activate_recursive;
		2394
		2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1757	}	2397	}
1758		2398
1759	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1760	on_logout => sub {
1761	my ($pl) = @_;
1762		2400
1763	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1764	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1765	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1766	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1767	};	2405	be called at the end of this process.
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2406
1773	# try to abort aborted map switching on player login :)
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790
1791	=item $player_object->goto ($path, $x, $y)
1792
1793	=cut	2407	=cut
		2408
		2409	our $GOTOGEN;
1794		2410
1795	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
		2413
		2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2416
1798	$self->enter_link;	2417	$self->enter_link;
1799		2418
1800	(async {	2419	(async {
		2420	my $map = eval {
1801	my $map = cf::map::find $path;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
1803		2425	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2426	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
1808		2429
		2430	$map
		2431	};
		2432
		2433	if ($@) {
		2434	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2435	LOG llevError | logBacktrace, Carp::longmess $@;
		2436	}
		2437
		2438	if ($gen == $self->{_goto_generation}) {
		2439	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1810	})->prio (1);	2444	})->prio (1);
1811	}	2445	}
1812		2446
1813	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1814		2448
…		…
1843	# that depends on the exit object	2477	# that depends on the exit object
1844		2478
1845	my $rmp = parse_random_map_params $exit->msg;	2479	my $rmp = parse_random_map_params $exit->msg;
1846		2480
1847	if ($exit->map) {	2481	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2482	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2483	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2484	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2485	$rmp->{origin_y} = $exit->y;
1852	}	2486	}
1853		2487
1854	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1855		2489
1856	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1857	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2492	my $meta = "$RANDOMDIR/$md5.meta";
1859		2493
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2495	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2496	undef $fh;
1863	aio_rename "$meta~", $meta;	2497	aio_rename "$meta~", $meta;
…		…
1870	sub cf::object::player::enter_exit {	2504	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2505	my ($self, $exit) = @_;
1872		2506
1873	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1874		2508
		2509	if ($exit->slaying eq "/!") {
		2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2511	# the problem is that $exit might not survive long enough
		2512	# so it needs to be done right now, right here
		2513	cf::sync_job { prepare_random_map $exit };
		2514	}
		2515
		2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2517	my $hp = $exit->stats->hp;
		2518	my $sp = $exit->stats->sp;
		2519
1875	$self->enter_link;	2520	$self->enter_link;
		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
1876		2525
1877	(async {	2526	(async {
1878	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1879	unless (eval {	2528	unless (eval {
1880	prepare_random_map $exit	2529	$self->goto ($slaying, $hp, $sp);
1881	if $exit->slaying eq "/!";
1882
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1885		2530
1886	1;	2531	1;
1887	}) {	2532	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "I'll try to bring you back to the map you were before. "	2534	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2535	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2537
1893	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2539	$self->leave_link;
1895	}	2540	}
1896	})->prio (1);	2541	})->prio (1);
…		…
1909		2554
1910	sub cf::client::send_drawinfo {	2555	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2556	my ($self, $text, $flags) = @_;
1912		2557
1913	utf8::encode $text;	2558	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2560	}
1916		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
		2643	=item $client->ext_msg ($type, @msg)
		2644
		2645	Sends an ext event to the client.
		2646
		2647	=cut
		2648
		2649	sub cf::client::ext_msg($$@) {
		2650	my ($self, $type, @msg) = @_;
		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
		2655	push @msg, msgtype => "event_$type";
		2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
		2676	}
1917		2677
1918	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
1919		2679
1920	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2681	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		2683
1924	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	2685	become reliable at some point in the future.
1926		2686
1927	=cut	2687	=cut
1928		2688
1929	sub cf::client::query {	2689	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2698	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2700
1941	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
1943	}	2705	}
1944		2706
1945	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
1946	on_reply => sub {	2713	on_reply => sub {
1947	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
1948		2715
1949	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
1950	# get handled first	2717	# get handled first
1951	my $queue = delete $ns->{query_queue}	2718	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2719	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2720
1954	(shift @$queue)->[1]->($msg);	2721	(shift @$queue)->[1]->($msg);
		2722	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2723
1956	push @{ $ns->{query_queue} }, @$queue;	2724	push @{ $ns->{query_queue} }, @$queue;
1957		2725
1958	if (@{ $ns->{query_queue} } == @$queue) {	2726	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2727	if (@$queue) {
…		…
1961	} else {	2729	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	2731	}
1964	}	2732	}
1965	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
1966	);	2760	);
1967		2761
1968	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
1969		2763
1970	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
2013		2807
2014	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
2015		2809
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
2017		2815
2018	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
2019		2817
2020	=pod	2818	=pod
2021		2819
2022	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
2023		2821
2024	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
2025	cf::object::player player	2826	cf::object::player
2026	cf::player peaceful	2827	player
2027	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
2028		2834
2029	=cut	2835	=cut
2030		2836
2031	for (	2837	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2033	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2035	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2036	) {	2844	) {
2037	no strict 'refs';	2845	no strict 'refs';
…		…
2108	=back	2916	=back
2109		2917
2110	=cut	2918	=cut
2111		2919
2112	#############################################################################	2920	#############################################################################
		2921	# the server's init and main functions
2113		2922
2114	=head2 EXTENSION DATABASE SUPPORT	2923	sub load_facedata($) {
		2924	my ($path) = @_;
2115		2925
2116	Crossfire maintains a very simple database for extension use. It can	2926	# HACK to clear player env face cache, we need some signal framework
2117	currently store anything that can be serialised using Storable, which	2927	# for this (global event?)
2118	excludes objects.	2928	%ext::player_env::MUSIC_FACE_CACHE = ();
2119		2929
2120	The parameter C<$family> should best start with the name of the extension	2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121	using it, it should be unique.
2122		2931
2123	=over 4	2932	warn "loading facedata from $path\n";
2124		2933
2125	=item $hashref = cf::db_get $family	2934	my $facedata;
		2935	0 < aio_load $path, $facedata
		2936	or die "$path: $!";
2126		2937
2127	Return a hashref for use by the extension C<$family>, which can be	2938	$facedata = Coro::Storable::thaw $facedata;
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130		2939
2131	=item $value = cf::db_get $family => $key	2940	$facedata->{version} == 2
		2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
2132		2942
2133	Returns a single value from the database	2943	# patch in the exptable
2134		2944	$facedata->{resource}{"res/exp_table"} = {
2135	=item cf::db_put $family => $hashref	2945	type => FT_RSRC,
2136		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}
2163
2164	my $pid;
2165
2166	sub db_save() {
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});	2947	};
		2948	cf::cede_to_tick;
2186		2949
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	2950	{
		2951	my $faces = $facedata->{faceinfo};
2191		2952
2192	sub db_get($;$) {	2953	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}	2955	cf::face::set_visibility $idx, $info->{visibility};
2195	: ($DB->{$_[0]} ||= { })	2956	cf::face::set_magicmap $idx, $info->{magicmap};
2196	}	2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2197		2959
2198	sub db_put($$;$) {	2960	cf::cede_to_tick;
2199	if (@_ >= 3) {
2200	$DB->{$_[0]}{$_[1]} = $_[2];
2201	} else {
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206
2207	cf::global->attach (
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	2961	}
2212	);
2213	}
2214		2962
2215	#############################################################################	2963	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	2964	next unless $info->{smooth};
		2965	my $idx = cf::face::find $face
		2966	or next;
		2967	if (my $smooth = cf::face::find $info->{smooth}) {
		2968	cf::face::set_smooth $idx, $smooth;
		2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2970	} else {
		2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2972	}
2217		2973
2218	sub cfg_load {	2974	cf::cede_to_tick;
		2975	}
		2976	}
		2977
		2978	{
		2979	my $anims = $facedata->{animinfo};
		2980
		2981	while (my ($anim, $info) = each %$anims) {
		2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2983	cf::cede_to_tick;
		2984	}
		2985
		2986	cf::anim::invalidate_all; # d'oh
		2987	}
		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
		3036	}
		3037
		3038	1
		3039	}
		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
		3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
		3054	load_resource_file "$MAPDIR/regions"
		3055	or die "unable to load regions file\n";
		3056
		3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
		3061	}
		3062
		3063	sub reload_facedata {
		3064	load_facedata "$DATADIR/facedata"
		3065	or die "unable to load facedata\n";
		3066	}
		3067
		3068	sub reload_archetypes {
		3069	load_resource_file "$DATADIR/archetypes"
		3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
		3074	load_resource_file "$DATADIR/archetypes"
		3075	or die "unable to load archetypes\n";
		3076	}
		3077
		3078	sub reload_treasures {
		3079	load_resource_file "$DATADIR/treasures"
		3080	or die "unable to load treasurelists\n";
		3081	}
		3082
		3083	sub reload_resources {
		3084	warn "reloading resource files...\n";
		3085
		3086	reload_regions;
		3087	reload_facedata;
		3088	#reload_archetypes;#d#
		3089	reload_archetypes;
		3090	reload_treasures;
		3091
		3092	warn "finished reloading resource files\n";
		3093	}
		3094
		3095	sub init {
		3096	reload_resources;
		3097	}
		3098
		3099	sub reload_config {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	3101	or return;
2221		3102
2222	local $/;	3103	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
2224		3105
…		…
2243	(async {	3124	(async {
2244	Event::one_event;	3125	Event::one_event;
2245	})->prio (Coro::PRIO_MAX);	3126	})->prio (Coro::PRIO_MAX);
2246	};	3127	};
2247		3128
2248	cfg_load;	3129	reload_config;
2249	db_load;	3130	db_init;
2250	load_extensions;	3131	load_extensions;
2251		3132
2252	$TICK_WATCHER->start;	3133	$TICK_WATCHER->start;
2253	Event::loop;	3134	Event::loop;
2254	}	3135	}
…		…
2258		3139
2259	# install some emergency cleanup handlers	3140	# install some emergency cleanup handlers
2260	BEGIN {	3141	BEGIN {
2261	for my $signal (qw(INT HUP TERM)) {	3142	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3143	Event->signal (
		3144	reentrant => 0,
2263	data => WF_AUTOCANCEL,	3145	data => WF_AUTOCANCEL,
2264	signal => $signal,	3146	signal => $signal,
		3147	prio => 0,
2265	cb => sub {	3148	cb => sub {
2266	cf::cleanup "SIG$signal";	3149	cf::cleanup "SIG$signal";
2267	},	3150	},
2268	);	3151	);
2269	}	3152	}
		3153	}
		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
2270	}	3191	}
2271		3192
2272	sub emergency_save() {	3193	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2274		3195
…		…
2291	my $map = $cf::MAP{$path} or next;	3212	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3213	$map->valid or next;
2293	$map->save;	3214	$map->save;
2294	}	3215	}
2295	warn "end emergency map save\n";	3216	warn "end emergency map save\n";
		3217
		3218	warn "begin emergency database checkpoint\n";
		3219	BDB::db_env_txn_checkpoint $DB_ENV;
		3220	warn "end emergency database checkpoint\n";
2296	};	3221	};
2297		3222
2298	warn "leave emergency perl save\n";	3223	warn "leave emergency perl save\n";
2299	}	3224	}
2300		3225
		3226	sub post_cleanup {
		3227	my ($make_core) = @_;
		3228
		3229	warn Carp::longmess "post_cleanup backtrace"
		3230	if $make_core;
		3231	}
		3232
2301	sub reload() {	3233	sub do_reload_perl() {
2302	# can/must only be called in main	3234	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	3236	warn "can only reload from main coroutine";
2305	return;	3237	return;
2306	}	3238	}
2307		3239
2308	warn "reloading...";	3240	warn "reloading...";
2309		3241
2310	warn "cancelling server ticker";	3242	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3243
		3244	cf::sync_job {
		3245	cf::write_runtime; # external watchdog should not bark
2313	cf::emergency_save;	3246	cf::emergency_save;
		3247	cf::write_runtime; # external watchdog should not bark
2314		3248
2315	eval {	3249	warn "syncing database to disk";
		3250	BDB::db_env_txn_checkpoint $DB_ENV;
		3251
2316	# if anything goes wrong in here, we should simply crash as we already saved	3252	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320		3253
2321	warn "cancelling all WF_AUTOCANCEL watchers";	3254	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {	3255	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;	3256	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}	3257	}
2325		3258
2326	warn "flushing outstanding aio requests";	3259	warn "flushing outstanding aio requests";
2327	for (;;) {	3260	for (;;) {
		3261	BDB::flush;
2328	IO::AIO::flush;	3262	IO::AIO::flush;
2329	Coro::cede;	3263	Coro::cede;
2330	last unless IO::AIO::nreqs;	3264	last unless IO::AIO::nreqs || BDB::nreqs;
2331	warn "iterate...";	3265	warn "iterate...";
2332	}	3266	}
		3267
		3268	++$RELOAD;
2333		3269
2334	warn "cancelling all extension coros";	3270	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	3271	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	3272	%EXT_CORO = ();
2337		3273
2338	warn "removing commands";	3274	warn "removing commands";
2339	%COMMAND = ();	3275	%COMMAND = ();
2340		3276
2341	warn "removing ext commands";	3277	warn "removing ext/exti commands";
2342	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2343		3280
2344	warn "unloading/nuking all extensions";	3281	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2347		3284
…		…
2377	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3316
2380	warn "unloading cf.pm \"a bit\"";	3317	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2382		3320
2383	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3322	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2386		3324
…		…
2389	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2390	require cf;	3328	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		3330
2393	warn "loading config and database again";	3331	warn "loading config and database again";
2394	cf::cfg_load;	3332	cf::reload_config;
2395	cf::db_load;
2396		3333
2397	warn "loading extensions";	3334	warn "loading extensions";
2398	cf::load_extensions;	3335	cf::load_extensions;
2399		3336
2400	warn "reattaching attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
2401	_global_reattach;	3338	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3339	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3340	reattach $_ for values %MAP;
		3341	warn "reattaching attachments to players";
		3342	reattach $_ for values %PLAYER;
2404		3343
2405	warn "restarting server ticker";	3344	warn "leaving sync_job";
2406		3345
2407	$TICK_WATCHER->start;	3346	1
2408	};	3347	} or do {
2409
2410	if ($@) {
2411	warn $@;	3348	warn $@;
2412	warn "error while reloading, exiting.";	3349	warn "error while reloading, exiting.";
2413	exit 1;	3350	exit 1;
2414	}	3351	};
2415		3352
2416	warn "reloaded";	3353	warn "reloaded";
2417	};	3354	};
2418		3355
2419	our $RELOAD_WATCHER; # used only during reload	3356	our $RELOAD_WATCHER; # used only during reload
2420		3357
		3358	sub reload_perl() {
		3359	# doing reload synchronously and two reloads happen back-to-back,
		3360	# coro crashes during coro_state_free->destroy here.
		3361
		3362	$RELOAD_WATCHER ||= Event->timer (
		3363	reentrant => 0,
		3364	after => 0,
		3365	data => WF_AUTOCANCEL,
		3366	cb => sub {
		3367	do_reload_perl;
		3368	undef $RELOAD_WATCHER;
		3369	},
		3370	);
		3371	}
		3372
2421	register_command "reload" => sub {	3373	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2423		3375
2424	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3377	$who->message ("reloading server.");
2426		3378	async { reload_perl };
2427	# doing reload synchronously and two reloads happen back-to-back,
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;
2432	undef $RELOAD_WATCHER;
2433	});
2434	}	3379	}
2435	};	3380	};
2436		3381
2437	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2438		3383
2439	my $bug_warning = 0;	3384	my $bug_warning = 0;
2440		3385
		3386	our @WAIT_FOR_TICK;
		3387	our @WAIT_FOR_TICK_BEGIN;
		3388
		3389	sub wait_for_tick {
		3390	return unless $TICK_WATCHER->is_active;
		3391	return if $Coro::current == $Coro::main;
		3392
		3393	my $signal = new Coro::Signal;
		3394	push @WAIT_FOR_TICK, $signal;
		3395	$signal->wait;
		3396	}
		3397
		3398	sub wait_for_tick_begin {
		3399	return unless $TICK_WATCHER->is_active;
		3400	return if $Coro::current == $Coro::main;
		3401
		3402	my $signal = new Coro::Signal;
		3403	push @WAIT_FOR_TICK_BEGIN, $signal;
		3404	$signal->wait;
		3405	}
		3406
		3407	my $min = 1e6;#d#
		3408	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3410	reentrant => 0,
2443	parked => 1,	3411	parked => 1,
2444	prio => 0,	3412	prio => 0,
2445	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
…		…
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3418	unless ++$bug_warning > 10;
2451	return;	3419	return;
2452	}	3420	}
2453		3421
2454	$NOW = Event::time;	3422	$NOW = $tick_start = Event::time;
2455		3423
2456	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
		3425
		3426	0 && sync_job {#d#
		3427	for(1..10) {
		3428	my $t = Event::time;
		3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3430	or die;
		3431
		3432	$map->width (50);
		3433	$map->height (50);
		3434	$map->alloc;
		3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3436	my $t = Event::time - $t;
		3437
		3438	#next unless $t < 0.0013;#d#
		3439	if ($t < $min) {
		3440	$min = $t;
		3441	}
		3442	$avg = $avg * 0.99 + $t * 0.01;
		3443	}
		3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3445	exit 0;
		3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3447	};
		3448
2457	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2459		3451
2460	$WAIT_FOR_TICK->broadcast;	3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3454	Coro::async_pool {
		3455	write_runtime
		3456	or warn "ERROR: unable to write runtime file: $!";
		3457	};
		3458	}
		3459
		3460	# my $AFTER = Event::time;
		3461	# warn $AFTER - $NOW;#d#
		3462
		3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3464	$sig->send;
		3465	}
		3466	while (my $sig = shift @WAIT_FOR_TICK) {
		3467	$sig->send;
		3468	}
		3469
		3470	$NOW = Event::time;
2462		3471
2463	# if we are delayed by four ticks or more, skip them all	3472	# if we are delayed by four ticks or more, skip them all
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2465		3474
2466	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;	3476	$TICK_WATCHER->start;
		3477
		3478	$LOAD = ($NOW - $tick_start) / $TICK;
		3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3480
		3481	_post_tick;
		3482
		3483
2468	},	3484	},
2469	);	3485	);
2470		3486
		3487	{
		3488	BDB::max_poll_time $TICK * 0.1;
		3489	$BDB_POLL_WATCHER = Event->io (
		3490	reentrant => 0,
		3491	fd => BDB::poll_fileno,
		3492	poll => 'r',
		3493	prio => 0,
		3494	data => WF_AUTOCANCEL,
		3495	cb => \&BDB::poll_cb,
		3496	);
		3497	BDB::min_parallel 8;
		3498
		3499	BDB::set_sync_prepare {
		3500	my $status;
		3501	my $current = $Coro::current;
		3502	(
		3503	sub {
		3504	$status = $!;
		3505	$current->ready; undef $current;
		3506	},
		3507	sub {
		3508	Coro::schedule while defined $current;
		3509	$! = $status;
		3510	},
		3511	)
		3512	};
		3513
		3514	unless ($DB_ENV) {
		3515	$DB_ENV = BDB::db_env_create;
		3516
		3517	cf::sync_job {
		3518	eval {
		3519	BDB::db_env_open
		3520	$DB_ENV,
		3521	$BDBDIR,
		3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3524	0666;
		3525
		3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3527
		3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3529	$DB_ENV->set_lk_detect;
		3530	};
		3531
		3532	cf::cleanup "db_env_open(db): $@" if $@;
		3533	};
		3534	}
		3535	}
		3536
		3537	{
		3538	IO::AIO::min_parallel 8;
		3539
		3540	undef $Coro::AIO::WATCHER;
2471	IO::AIO::max_poll_time $TICK * 0.2;	3541	IO::AIO::max_poll_time $TICK * 0.1;
2472
2473	$AIO_POLL_WATCHER = Event->io (	3542	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,	3543	reentrant => 0,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,	3544	data => WF_AUTOCANCEL,
2483	after => 1,	3545	fd => IO::AIO::poll_fileno,
2484	interval => 10,	3546	poll => 'r',
2485	prio => 6, # keep it lowest so it acts like a watchdog	3547	prio => 6,
2486	cb => Coro::unblock_sub {	3548	cb => \&IO::AIO::poll_cb,
2487	write_runtime	3549	);
2488	or warn "ERROR: unable to write runtime file: $!";	3550	}
		3551
		3552	my $_log_backtrace;
		3553
		3554	sub _log_backtrace {
		3555	my ($msg, @addr) = @_;
		3556
		3557	$msg =~ s/\n//;
		3558
		3559	# limit the # of concurrent backtraces
		3560	if ($_log_backtrace < 2) {
		3561	++$_log_backtrace;
		3562	async {
		3563	my @bt = fork_call {
		3564	@addr = map { sprintf "%x", $_ } @addr;
		3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3567	or die "addr2line: $!";
		3568
		3569	my @funcs;
		3570	my @res = <$fh>;
		3571	chomp for @res;
		3572	while (@res) {
		3573	my ($func, $line) = splice @res, 0, 2, ();
		3574	push @funcs, "[$func] $line";
		3575	}
		3576
		3577	@funcs
		3578	};
		3579
		3580	LOG llevInfo, "[ABT] $msg\n";
		3581	LOG llevInfo, "[ABT] $_\n" for @bt;
		3582	--$_log_backtrace;
		3583	};
		3584	} else {
		3585	LOG llevInfo, "[ABT] $msg\n";
		3586	LOG llevInfo, "[ABT] [suppressed]\n";
2489	},	3587	}
2490	);	3588	}
		3589
		3590	# load additional modules
		3591	use cf::pod;
2491		3592
2492	END { cf::emergency_save }	3593	END { cf::emergency_save }
2493		3594
2494	1	3595	1
2495		3596

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