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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.171 by root, Sun Jan 14 12:24:48 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
232		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
236		290
…		…
256	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
258	}	312	}
259	}	313	}
260		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
261	sub freeze_mainloop {	321	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
263		323
264	my $guard = Coro::guard {	324	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	326	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
270	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
271	}	385	}
272		386
273	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
274		388
275	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		394
281	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
282		396
283	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
284		398
285	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
288		403
289	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
292	fast or be very important.	407	fast or be very important.
…		…
295		410
296	sub sync_job(&) {	411	sub sync_job(&) {
297	my ($job) = @_;	412	my ($job) = @_;
298		413
299	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
300	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
302		419
303	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
315		432
316	while ($busy) {	433	while ($busy) {
317	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
318	}	435	}
319		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
320	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
321	} else {	445	} else {
322	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
323		447
324	$job->()	448	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
344		468
345	$coro	469	$coro
346	}	470	}
347		471
348	sub write_runtime {	472	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		473
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
352	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
353		478
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		480
358	aio_fsync $fh	481	sub fork_call(&@) {
359	and return;	482	my ($cb, @args) = @_;
360		483
361	close $fh	484	# we seemingly have to make a local copy of the whole thing,
362	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
363		487
364	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
365	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
366		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
367	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	621	}
369		622
370	=back	623	=back
371		624
372	=cut	625	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
381		634
382	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	637	Crossfire TRT).
385		638
386	=over 4	639	=over 4
387		640
388	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
389		642
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
553		806
554	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		811
559	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	813	my $pkg = shift @arg;
561		814
562	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
592	}	845	}
593		846
594	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
595	} else {	848	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	850	}
598		851
599	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
600	}	853	}
601		854
…		…
603	if (ref $_[0]) {	856	if (ref $_[0]) {
604	_object_attach @_;	857	_object_attach @_;
605	} else {	858	} else {
606	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
607	}	860	}
		861	_recalc_want;
608	};	862	};
609		863
610	# all those should be optimised	864	# all those should be optimised
611	sub cf::attachable::detach {	865	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
616	reattach ($obj);	870	reattach ($obj);
617	} else {	871	} else {
618	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
619	}	873	}
		874	_recalc_want;
620	};	875	};
621		876
622	sub cf::attachable::attached {	877	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
624		879
…		…
639	";	894	";
640	die if $@;	895	die if $@;
641	}	896	}
642		897
643	our $override;	898	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		900
646	sub override {	901	sub override {
647	$override = 1;	902	$override = 1;
648	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
649	}	904	}
650		905
651	sub do_invoke {	906	sub do_invoke {
652	my $event = shift;	907	my $event = shift;
653	my $callbacks = shift;	908	my $callbacks = shift;
654		909
655	@invoke_results = ();	910	@INVOKE_RESULTS = ();
656		911
657	local $override;	912	local $override;
658		913
659	for (@$callbacks) {	914	for (@$callbacks) {
660	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
677		932
678	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
679		934
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		938
684	=back	939	=back
685		940
686	=cut	941	=cut
687		942
688	#############################################################################	943	#############################################################################
689	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
690		956
691	sub reattach {	957	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	959	my ($obj) = @_;
694		960
…		…
747	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
748		1014
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1019	close $fh;
754		1020
755	if (@$objs) {	1021	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1027	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
763	}	1029	}
764	} else {	1030	} else {
765	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
797	or return;	1063	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1065	}
800		1066
801	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1069	return ($data, $av);
804	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
805		1077
806	#############################################################################	1078	#############################################################################
807	# command handling &c	1079	# command handling &c
808		1080
809	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1095	}
824		1096
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1098
827	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
828		1104
829	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
830	called.	1106	called.
831		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
832	=cut	1119	=cut
833		1120
834	sub register_extcmd {	1121	sub register_extcmd {
835	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
836		1123
837	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
838	}	1131	}
839		1132
840	cf::player->attach (	1133	cf::player->attach (
841	on_command => sub {	1134	on_command => sub {
842	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1144	cf::override;
852	},	1145	},
853	on_extcmd => sub {	1146	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
855		1148
856	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1150
858	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
864	} else {	1166	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1168	}
867		1169
868	cf::override;	1170	cf::override;
869	},	1171	},
870	);	1172	);
871		1173
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
907	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1179	next unless -r $path;
909	eval {	1180
910	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
911	1	1238	}
912	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
913	}	1244	};
914	}	1245	}
915		1246
916	#############################################################################	1247	#############################################################################
917		1248
		1249	=back
		1250
918	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
919		1252
920	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
921		1254
922	=cut	1255	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
935		1268
936	=cut	1269	=cut
937		1270
938	sub playerdir($) {	1271	sub playerdir($) {
939	cf::localdir	1272	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1274	}
945		1275
946	sub path($) {	1276	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1278
949	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
950	}	1280	}
951		1281
952	sub find_active($) {	1282	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
957		1287
958	sub exists($) {	1288	sub exists($) {
959	my ($login) = @_;	1289	my ($login) = @_;
960		1290
961	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
963	}	1293	}
964		1294
965	sub find($) {	1295	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1297	my $login = $_[0];
968		1298
969	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
970		1300
971	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
972	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
973	or return;	1310	or return;
974	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
975	}	1312	}
976	}	1313	}
…		…
988		1325
989	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
991		1328
992	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
993	Coro::cede;	1330	cf::cede_to_tick;
994	}	1331	}
995		1332
996	sub new($) {	1333	sub new($) {
997	my ($login) = @_;	1334	my ($login) = @_;
998		1335
…		…
1004	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1005		1342
1006	$self	1343	$self
1007	}	1344	}
1008		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1009	=item $pl->quit_character	1356	=item $pl->quit_character
1010		1357
1011	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1013		1360
1014	=cut	1361	=cut
1015		1362
1016	sub quit_character {	1363	sub quit_character {
1017	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1018		1367
1019	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1370
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1032	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1033	}	1402	}
1034		1403
1035	=item cf::player::list_logins	1404	=item cf::player::list_logins
1036		1405
1037	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1039		1408
1040	=cut	1409	=cut
1041		1410
1042	sub list_logins {	1411	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1413	or return [];
1045		1414
1046	my @logins;	1415	my @logins;
1047		1416
1048	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1065	=cut	1434	=cut
1066		1435
1067	sub maps($) {	1436	sub maps($) {
1068	my ($pl) = @_;	1437	my ($pl) = @_;
1069		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
1070	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1071	or return;	1442	or return;
1072		1443
1073	my @paths;	1444	my @paths;
1074		1445
1075	for (@$files) {	1446	for (@$files) {
1076	utf8::decode $_;	1447	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1079		1450
1080	s/\.map$//;	1451	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1452	}
1083		1453
1084	\@paths	1454	\@paths
1085	}	1455	}
1086		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1088		1509
1089	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1090		1511
1091	=cut	1512	=cut
1092		1513
1093	sub ext_reply($$$%) {	1514	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1095		1516
1096	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1518	}
1100		1519
1101	package cf;	1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
		1547	my ($path) = @_;
		1548
		1549	my ($match, $specificity);
		1550
		1551	for my $region (list) {
		1552	if ($region->{match} && $path =~ $region->{match}) {
		1553	($match, $specificity) = ($region, $region->specificity)
		1554	if $region->specificity > $specificity;
		1555	}
		1556	}
		1557
		1558	$match
		1559	}
1102		1560
1103	=back	1561	=back
1104
1105		1562
1106	=head3 cf::map	1563	=head3 cf::map
1107		1564
1108	=over 4	1565	=over 4
1109		1566
…		…
1113		1570
1114	use Fcntl;	1571	use Fcntl;
1115	use Coro::AIO;	1572	use Coro::AIO;
1116		1573
1117	use overload	1574	use overload
1118	'""' => \&as_string;	1575	'""' => \&as_string,
		1576	fallback => 1;
1119		1577
1120	our $MAX_RESET = 3600;	1578	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1579	our $DEFAULT_RESET = 3000;
1122		1580
1123	sub generate_random_map {	1581	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1582	my ($self, $rmp) = @_;
1125
1126	# mit "rum" bekleckern, nicht	1583	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1584	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1595	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1596	)
1140	}	1597	}
1141		1598
		1599	=item cf::map->register ($regex, $prio)
		1600
		1601	Register a handler for the map path matching the given regex at the
		1602	givne priority (higher is better, built-in handlers have priority 0, the
		1603	default).
		1604
		1605	=cut
		1606
1142	sub register {	1607	sub register {
1143	my (undef, $regex) = @_;	1608	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1609	my $pkg = caller;
1145		1610
1146	no strict;	1611	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1612	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1613
1149	$EXT_MAP{$pkg} = qr<$regex>;	1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1615	}
1151		1616
1152	# also paths starting with '/'	1617	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1619
1155	sub thawer_merge {	1620	sub thawer_merge {
		1621	my ($self, $merge) = @_;
		1622
1156	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1157	local $_[0]{path};	1624	local $self->{path};
1158	local $_[0]{deny_save};	1625	local $self->{load_path};
1159	local $_[0]{deny_reset};
1160		1626
1161	$_[0]->SUPER::thawer_merge ($_[1]);	1627	$self->SUPER::thawer_merge ($merge);
1162	}	1628	}
1163		1629
1164	sub normalise {	1630	sub normalise {
1165	my ($path, $base) = @_;	1631	my ($path, $base) = @_;
		1632
		1633	$path = "$path"; # make sure its a string
		1634
		1635	$path =~ s/\.map$//;
1166		1636
1167	# map plan:	1637	# map plan:
1168	#	1638	#
1169	# /! non-realised random map exit (special hack!)	1639	# /! non-realised random map exit (special hack!)
1170	# {... are special paths that are not being touched	1640	# {... are special paths that are not being touched
…		…
1198		1668
1199	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1669	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1200		1670
1201	$path = normalise $path, $base;	1671	$path = normalise $path, $base;
1202		1672
1203	for my $pkg (keys %EXT_MAP) {	1673	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1204	if ($path =~ $EXT_MAP{$pkg}) {	1674	if ($path =~ $EXT_MAP{$pkg}[1]) {
1205	my $self = bless cf::map::new, $pkg;	1675	my $self = bless cf::map::new, $pkg;
1206	$self->{path} = $path; $self->path ($path);	1676	$self->{path} = $path; $self->path ($path);
1207	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1208	return $self;	1678	return $self;
1209	}	1679	}
1210	}	1680	}
1211		1681
1212	Carp::carp "unable to resolve path '$path'.";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1213	()	1683	()
1214	}	1684	}
1215		1685
1216	sub init {	1686	sub init {
1217	my ($self) = @_;	1687	my ($self) = @_;
…		…
1232		1702
1233	# the original (read-only) location	1703	# the original (read-only) location
1234	sub load_path {	1704	sub load_path {
1235	my ($self) = @_;	1705	my ($self) = @_;
1236		1706
1237	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1707	"$MAPDIR/$self->{path}.map"
1238	}	1708	}
1239		1709
1240	# the temporary/swap location	1710	# the temporary/swap location
1241	sub save_path {	1711	sub save_path {
1242	my ($self) = @_;	1712	my ($self) = @_;
1243		1713
1244	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1245	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1715	"$TMPDIR/$path.map"
1246	}	1716	}
1247		1717
1248	# the unique path, undef == no special unique path	1718	# the unique path, undef == no special unique path
1249	sub uniq_path {	1719	sub uniq_path {
1250	my ($self) = @_;	1720	my ($self) = @_;
1251		1721
1252	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1253	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1723	"$UNIQUEDIR/$path"
1254	}	1724	}
1255		1725
1256	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1257	# all maps in C++...	1727	# all maps in C++...
1258	sub change_all_map_light {	1728	sub change_all_map_light {
…		…
1260		1730
1261	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
1263	}	1733	}
1264		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
		1741	}
		1742
1265	sub unlink_save {	1743	sub unlink_save {
1266	my ($self) = @_;	1744	my ($self) = @_;
1267		1745
1268	utf8::encode (my $save = $self->save_path);	1746	utf8::encode (my $save = $self->save_path);
1269	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1272		1750
1273	sub load_header_from($) {	1751	sub load_header_from($) {
1274	my ($self, $path) = @_;	1752	my ($self, $path) = @_;
1275		1753
1276	utf8::encode $path;	1754	utf8::encode $path;
1277	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
1278	or return;	1756	# or return;
1279		1757
1280	$self->_load_header ($path)	1758	$self->_load_header ($path)
1281	or return;	1759	or return;
1282		1760
1283	$self->{load_path} = $path;	1761	$self->{load_path} = $path;
1284		1762
1285	1	1763	1
1286	}	1764	}
1287		1765
1288	sub load_orig {	1766	sub load_header_orig {
1289	my ($self) = @_;	1767	my ($self) = @_;
1290		1768
1291	$self->load_header_from ($self->load_path)	1769	$self->load_header_from ($self->load_path)
1292	}	1770	}
1293		1771
1294	sub load_temp {	1772	sub load_header_temp {
1295	my ($self) = @_;	1773	my ($self) = @_;
1296		1774
1297	$self->load_header_from ($self->save_path)	1775	$self->load_header_from ($self->save_path)
		1776	}
		1777
		1778	sub prepare_temp {
		1779	my ($self) = @_;
		1780
		1781	$self->last_access ((delete $self->{last_access})
		1782	|| $cf::RUNTIME); #d#
		1783	# safety
		1784	$self->{instantiate_time} = $cf::RUNTIME
		1785	if $self->{instantiate_time} > $cf::RUNTIME;
		1786	}
		1787
		1788	sub prepare_orig {
		1789	my ($self) = @_;
		1790
		1791	$self->{load_original} = 1;
		1792	$self->{instantiate_time} = $cf::RUNTIME;
		1793	$self->last_access ($cf::RUNTIME);
		1794	$self->instantiate;
1298	}	1795	}
1299		1796
1300	sub load_header {	1797	sub load_header {
1301	my ($self) = @_;	1798	my ($self) = @_;
1302		1799
1303	if ($self->load_temp) {	1800	if ($self->load_header_temp) {
1304	$self->last_access ((delete $self->{last_access})	1801	$self->prepare_temp;
1305	|| $cf::RUNTIME); #d#
1306	# safety
1307	$self->{instantiate_time} = $cf::RUNTIME
1308	if $self->{instantiate_time} > $cf::RUNTIME;
1309	} else {	1802	} else {
1310	$self->load_orig	1803	$self->load_header_orig
1311	or return;	1804	or return;
1312		1805	$self->prepare_orig;
1313	$self->{load_original} = 1;
1314	$self->{instantiate_time} = $cf::RUNTIME;
1315	$self->last_access ($cf::RUNTIME);
1316	$self->instantiate;
1317	}	1806	}
		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
		1811	$self->default_region (cf::region::find_by_path $self->{path})
		1812	unless $self->default_region;
1318		1813
1319	1	1814	1
1320	}	1815	}
1321		1816
1322	sub find;	1817	sub find;
…		…
1335	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1336		1831
1337	$map->load_header	1832	$map->load_header
1338	or return;	1833	or return;
1339		1834
1340	if ($map->should_reset) {	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1836	# doing this can freeze the server in a sync job, obviously
1341	$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1342	$map->reset;	1838	$map->reset;
1343	undef $guard;	1839	undef $guard;
1344	$map = find $path	1840	return find $path;
1345	or return;
1346	}	1841	}
1347		1842
1348	$cf::MAP{$path} = $map	1843	$cf::MAP{$path} = $map
1349	}	1844	}
1350	}	1845	}
		1846
		1847	sub pre_load { }
		1848	sub post_load { }
1351		1849
1352	sub load {	1850	sub load {
1353	my ($self) = @_;	1851	my ($self) = @_;
1354		1852
		1853	local $self->{deny_reset} = 1; # loading can take a long time
		1854
1355	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1356	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1357		1860
1358	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1359		1862
1360	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1361		1864
1362	$self->alloc;	1865	$self->alloc;
		1866
		1867	$self->pre_load;
		1868	cf::cede_to_tick;
		1869
1363	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1364	or return;	1871	or return;
1365		1872
1366	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1367	if delete $self->{load_original};	1874	if delete $self->{load_original};
1368		1875
1369	if (my $uniq = $self->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1370	utf8::encode $uniq;	1877	utf8::encode $uniq;
1371	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1372	$self->clear_unique_items;	1879	$self->clear_unique_items;
1373	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1374	}	1881	}
1375	}	1882	}
1376		1883
1377	Coro::cede;	1884	cf::cede_to_tick;
1378
1379	# now do the right thing for maps	1885	# now do the right thing for maps
1380	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1381
1382	unless ($self->{deny_activate}) {
1383	$self->decay_objects;
1384	$self->fix_auto_apply;
1385	$self->update_buttons;
1386	Coro::cede;
1387	$self->set_darkness_map;
1388	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1389	unless $self->difficulty;	1888	unless $self->difficulty;
1390	Coro::cede;	1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1391	$self->activate;	1898	$self->activate;
1392	}	1899	}
1393		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
		1903
1394	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
		1905	}
		1906
		1907	$self->post_load;
1395	}	1908	}
1396		1909
1397	sub customise_for {	1910	sub customise_for {
1398	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1399		1912
1400	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1401	if $self->per_player;	1914	if $self->per_player;
1402		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1403	$self	1919	$self
1404	}	1920	}
1405		1921
1406	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1407	sub load_diag {	1923	sub load_neighbours {
1408	my ($map) = @_;	1924	my ($map) = @_;
1409		1925
1410	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1411		1927
1412	for (0 .. 3) {	1928	for (0 .. 3) {
1413	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1414	or next;	1930	or next;
1415	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1416	or next;	1932	or next;
1417	$neigh->load;	1933	$neigh->load;
1418		1934
		1935	push @neigh,
1419	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1420	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1421	}	1938	}
1422		1939
1423	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1424	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1425	or next;	1943	or next;
1426	$neigh->load;	1944	$neigh->load;
1427	}	1945	}
1428	}	1946	}
1429		1947
…		…
1434	}	1952	}
1435		1953
1436	sub do_load_sync {	1954	sub do_load_sync {
1437	my ($map) = @_;	1955	my ($map) = @_;
1438		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1439	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1440	}	1961	}
1441		1962
1442	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1443	our $MAP_PREFETCHER = Coro::async {	1964	our $MAP_PREFETCHER = undef;
1444	while () {
1445	for my $path (keys %MAP_PREFETCH) {
1446	my $map = find $path
1447	or next;
1448	$map->load;
1449
1450	delete $MAP_PREFETCH{$path};
1451	}
1452	Coro::schedule;
1453	}
1454	};
1455		1965
1456	sub find_async {	1966	sub find_async {
1457	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1458		1968
1459	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1460		1970
1461	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1462	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1973	}
		1974
		1975	$MAP_PREFETCH{$path} |= $load;
		1976
		1977	$MAP_PREFETCHER ||= cf::async {
		1978	while (%MAP_PREFETCH) {
		1979	while (my ($k, $v) = each %MAP_PREFETCH) {
		1980	if (my $map = find $k) {
		1981	$map->load if $v;
		1982	}
		1983
		1984	delete $MAP_PREFETCH{$k};
		1985	}
		1986	}
		1987	undef $MAP_PREFETCHER;
1463	}	1988	};
1464
1465	$MAP_PREFETCH{$path} = 0;
1466	$MAP_PREFETCHER->ready;	1989	$MAP_PREFETCHER->prio (6);
1467		1990
1468	()	1991	()
1469	}	1992	}
1470		1993
1471	sub save {	1994	sub save {
1472	my ($self) = @_;	1995	my ($self) = @_;
1473		1996
1474	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1475		1998
1476	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1477		2000
1478	return unless $self->dirty;	2001	return unless $self->dirty;
1479		2002
…		…
1502	my ($self) = @_;	2025	my ($self) = @_;
1503		2026
1504	# save first because save cedes	2027	# save first because save cedes
1505	$self->save;	2028	$self->save;
1506		2029
1507	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1508		2031
1509	return if $self->players;	2032	return if $self->players;
1510	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1511	return if $self->{deny_save};	2034	return if $self->{deny_save};
1512		2035
…		…
1516		2039
1517	sub reset_at {	2040	sub reset_at {
1518	my ($self) = @_;	2041	my ($self) = @_;
1519		2042
1520	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1521	return 1e99 if $self->isa ("ext::map_per_player");#d#
1522	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1523		2045
1524	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1525	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1526		2048
…		…
1531	my ($self) = @_;	2053	my ($self) = @_;
1532		2054
1533	$self->reset_at <= $cf::RUNTIME	2055	$self->reset_at <= $cf::RUNTIME
1534	}	2056	}
1535		2057
1536	sub rename {
1537	my ($self, $new_path) = @_;
1538
1539	normalise $new_path;
1540
1541	$self->unlink_save;
1542
1543	delete $cf::MAP{$self->path};
1544	$self->{path} = $new_path; $self->path ($self->{path});
1545	$cf::MAP{$self->path} = $self;
1546
1547	$self->save;
1548	}
1549
1550	sub reset {	2058	sub reset {
1551	my ($self) = @_;	2059	my ($self) = @_;
1552		2060
1553	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2062
1555	return if $self->players;	2063	return if $self->players;
1556	return if $self->isa ("ext::map_per_player");#d#
1557		2064
1558	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
		2066
		2067	$self->in_memory (cf::MAP_SWAPPED);
		2068
		2069	# need to save uniques path
		2070	unless ($self->{deny_save}) {
		2071	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2072
		2073	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2074	if $uniq;
		2075	}
1559		2076
1560	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
1561		2078
1562	$self->in_memory (cf::MAP_SWAPPED);
1563	$self->clear;	2079	$self->clear;
1564		2080
1565	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1566		2082
1567	$self->unlink_save;	2083	$self->unlink_save;
…		…
1571	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1572		2088
1573	sub nuke {	2089	sub nuke {
1574	my ($self) = @_;	2090	my ($self) = @_;
1575		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
		2095	delete $cf::MAP{$self->path};
		2096
		2097	$self->unlink_save;
		2098
		2099	bless $self, "cf::map";
		2100	delete $self->{deny_reset};
1576	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1577	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1578	$self->rename ("{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2104
		2105	$cf::MAP{$self->path} = $self;
		2106	}
		2107
1579	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1580	}	2145	}
1581		2146
1582	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1583		2148
1584	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1585	instantiated unique items. May block.	2150	instantiated unique items. May block.
1586		2151
1587	=cut	2152	=cut
1588		2153
1589	sub unique_maps() {	2154	sub unique_maps() {
1590	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2155	[
1591	or return;	2156	map {
1592
1593	my @paths;
1594
1595	for (@$files) {
1596	utf8::decode $_;	2157	utf8::decode $_;
1597	next if /\.pst$/;
1598	next unless /^$PATH_SEP/o;
1599
1600	s/\.map$//;	2158	/\.map$/
1601	push @paths, $_;	2159	? normalise $_
		2160	: ()
		2161	} @{ aio_readdir $UNIQUEDIR or [] }
1602	}	2162	]
1603
1604	\@paths
1605	}	2163	}
1606		2164
1607	package cf;	2165	package cf;
1608		2166
1609	=back	2167	=back
…		…
1655		2213
1656	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1657		2215
1658	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1659	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1660	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1661	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1662	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1663	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1664	}	2241	}
1665		2242
1666	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1667		2244
1668	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1700	=cut	2277	=cut
1701		2278
1702	sub link_map {	2279	sub link_map {
1703	unless ($LINK_MAP) {	2280	unless ($LINK_MAP) {
1704	$LINK_MAP = cf::map::find "{link}"	2281	$LINK_MAP = cf::map::find "{link}"
1705	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2282	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1706	$LINK_MAP->load;	2283	$LINK_MAP->load;
1707	}	2284	}
1708		2285
1709	$LINK_MAP	2286	$LINK_MAP
1710	}	2287	}
…		…
1715	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1716		2293
1717	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1718		2295
1719	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1720	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1721		2298
1722	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1723	}	2300	}
1724		2301
1725	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1726	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1727		2306
1728	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1729		2308
1730	unless ($map) {	2309	unless ($map) {
1731	# restore original map position	2310	# restore original map position
…		…
1745	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1746	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1747	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1748		2327
1749	$map->load;	2328	$map->load;
1750	$map->load_diag;	2329	$map->load_neighbours;
1751		2330
1752	return unless $self->contr->active;	2331	return unless $self->contr->active;
1753	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1754	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1755	}	2336	}
1756		2337
1757	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1758	on_logout => sub {
1759	my ($pl) = @_;
1760		2339
1761	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1762	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1763	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1764	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1765	};	2344	be called at the end of this process.
1766	}
1767	},
1768	on_login => sub {
1769	my ($pl) = @_;
1770		2345
1771	# try to abort aborted map switching on player login :)
1772	# should happen only on crashes
1773	if ($pl->ob->{_link_pos}) {
1774	$pl->ob->enter_link;
1775	(async {
1776	# we need this sleep as the login has a concurrent enter_exit running
1777	# and this sleep increases chances of the player not ending up in scorn
1778	$pl->ob->reply (undef,
1779	"There was an internal problem at your last logout, "
1780	. "the server will try to bring you to your intended destination in a second.",
1781	cf::NDI_RED);
1782	Coro::Timer::sleep 1;
1783	$pl->ob->leave_link;
1784	})->prio (2);
1785	}
1786	},
1787	);
1788
1789	=item $player_object->goto ($path, $x, $y)
1790
1791	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1792		2349
1793	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1794	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1795		2355
1796	$self->enter_link;	2356	$self->enter_link;
1797		2357
1798	(async {	2358	(async {
		2359	my $map = eval {
1799	my $map = cf::map::find $path;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1800	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
1801		2364	$map = $check->($map) if $check && $map;
1802	# warn "entering ", $map->path, " at ($x, $y)\n"	2365	} else {
1803	# if $map;
1804
1805	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
1806		2368
		2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
		2375	}
		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1807	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1808	})->prio (1);	2383	})->prio (1);
1809	}	2384	}
1810		2385
1811	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1812		2387
…		…
1814		2389
1815	sub parse_random_map_params {	2390	sub parse_random_map_params {
1816	my ($spec) = @_;	2391	my ($spec) = @_;
1817		2392
1818	my $rmp = { # defaults	2393	my $rmp = { # defaults
1819	xsize => 10,	2394	xsize => (cf::rndm 15, 40),
1820	ysize => 10,	2395	ysize => (cf::rndm 15, 40),
		2396	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2397	#layout => string,
1821	};	2398	};
1822		2399
1823	for (split /\n/, $spec) {	2400	for (split /\n/, $spec) {
1824	my ($k, $v) = split /\s+/, $_, 2;	2401	my ($k, $v) = split /\s+/, $_, 2;
1825		2402
…		…
1829	$rmp	2406	$rmp
1830	}	2407	}
1831		2408
1832	sub prepare_random_map {	2409	sub prepare_random_map {
1833	my ($exit) = @_;	2410	my ($exit) = @_;
		2411
		2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
1834		2413
1835	# all this does is basically replace the /! path by	2414	# all this does is basically replace the /! path by
1836	# a new random map path (?random/...) with a seed	2415	# a new random map path (?random/...) with a seed
1837	# that depends on the exit object	2416	# that depends on the exit object
1838		2417
1839	my $rmp = parse_random_map_params $exit->msg;	2418	my $rmp = parse_random_map_params $exit->msg;
1840		2419
1841	if ($exit->map) {	2420	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2421	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2422	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2423	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2424	$rmp->{origin_y} = $exit->y;
1846	}	2425	}
1847		2426
1848	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1849		2428
1850	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
		2431	my $meta = "$RANDOMDIR/$md5.meta";
1852		2432
1853	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
		2435	undef $fh;
		2436	aio_rename "$meta~", $meta;
1855		2437
1856	$exit->slaying ("?random/$md5");	2438	$exit->slaying ("?random/$md5");
1857	$exit->msg (undef);	2439	$exit->msg (undef);
1858	}	2440	}
1859	}	2441	}
…		…
1861	sub cf::object::player::enter_exit {	2443	sub cf::object::player::enter_exit {
1862	my ($self, $exit) = @_;	2444	my ($self, $exit) = @_;
1863		2445
1864	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1865		2447
		2448	if ($exit->slaying eq "/!") {
		2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
		2452	cf::sync_job { prepare_random_map $exit };
		2453	}
		2454
		2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2456	my $hp = $exit->stats->hp;
		2457	my $sp = $exit->stats->sp;
		2458
1866	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1867		2464
1868	(async {	2465	(async {
1869	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1870	unless (eval {	2467	unless (eval {
1871	prepare_random_map $exit	2468	$self->goto ($slaying, $hp, $sp);
1872	if $exit->slaying eq "/!";
1873
1874	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1875	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1876		2469
1877	1;	2470	1;
1878	}) {	2471	}) {
1879	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1880	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1881	. "Please report this to the dungeon master!",	2474	. "Please report this to the dungeon master!",
1882	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1883		2476
1884	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1885	$self->leave_link;	2478	$self->leave_link;
1886	}	2479	}
1887	})->prio (1);	2480	})->prio (1);
…		…
1900		2493
1901	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1902	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1903		2496
1904	utf8::encode $text;	2497	utf8::encode $text;
1905	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1906	}	2499	}
1907		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel)
		2540	if $self->can_msg;
		2541	}
		2542
		2543	$channel = $channel->{id};
		2544	}
		2545
		2546	return unless @extra || length $msg;
		2547
		2548	if ($self->can_msg) {
		2549	# default colour, mask it out
		2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2551	if $color & cf::NDI_DEF;
		2552
		2553	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2555	} else {
		2556	if ($color >= 0) {
		2557	# replace some tags by gcfclient-compatible ones
		2558	for ($msg) {
		2559	1 while
		2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2565	}
		2566
		2567	$color &= cf::NDI_COLOR_MASK;
		2568
		2569	utf8::encode $msg;
		2570
		2571	if (0 && $msg =~ /\[/) {
		2572	# COMMAND/INFO
		2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2574	} else {
		2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2576	$self->send_packet ("drawinfo $color $msg")
		2577	}
		2578	}
		2579	}
		2580	}
		2581
		2582	=item $client->ext_msg ($type, @msg)
		2583
		2584	Sends an ext event to the client.
		2585
		2586	=cut
		2587
		2588	sub cf::client::ext_msg($$@) {
		2589	my ($self, $type, @msg) = @_;
		2590
		2591	if ($self->extcmd == 2) {
		2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2593	} elsif ($self->extcmd == 1) { # TODO: remove
		2594	push @msg, msgtype => "event_$type";
		2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2596	}
		2597	}
		2598
		2599	=item $client->ext_reply ($msgid, @msg)
		2600
		2601	Sends an ext reply to the client.
		2602
		2603	=cut
		2604
		2605	sub cf::client::ext_reply($$@) {
		2606	my ($self, $id, @msg) = @_;
		2607
		2608	if ($self->extcmd == 2) {
		2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2610	} elsif ($self->extcmd == 1) {
		2611	#TODO: version 1, remove
		2612	unshift @msg, msgtype => "reply", msgid => $id;
		2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2614	}
		2615	}
1908		2616
1909	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
1910		2618
1911	Queues a query to the client, calling the given callback with	2619	Queues a query to the client, calling the given callback with
1912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2620	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2621	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1914		2622
1915	Queries can fail, so check the return code. Or don't, as queries will become	2623	Queries can fail, so check the return code. Or don't, as queries will
1916	reliable at some point in the future.	2624	become reliable at some point in the future.
1917		2625
1918	=cut	2626	=cut
1919		2627
1920	sub cf::client::query {	2628	sub cf::client::query {
1921	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
1929	utf8::encode $text;	2637	utf8::encode $text;
1930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1931		2639
1932	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
1933	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
1934	}	2644	}
1935		2645
1936	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
1937	on_reply => sub {	2652	on_reply => sub {
1938	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
1939		2654
1940	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
1941	# get handled first	2656	# get handled first
1942	my $queue = delete $ns->{query_queue}	2657	my $queue = delete $ns->{query_queue}
1943	or return; # be conservative, not sure how that can happen, but we saw a crash here	2658	or return; # be conservative, not sure how that can happen, but we saw a crash here
1944		2659
1945	(shift @$queue)->[1]->($msg);	2660	(shift @$queue)->[1]->($msg);
		2661	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1946		2662
1947	push @{ $ns->{query_queue} }, @$queue;	2663	push @{ $ns->{query_queue} }, @$queue;
1948		2664
1949	if (@{ $ns->{query_queue} } == @$queue) {	2665	if (@{ $ns->{query_queue} } == @$queue) {
1950	if (@$queue) {	2666	if (@$queue) {
…		…
1952	} else {	2668	} else {
1953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1954	}	2670	}
1955	}	2671	}
1956	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($ns, $buf) = @_;
		2675
		2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2677
		2678	if (ref $msg) {
		2679	my ($type, $reply, @payload) =
		2680	"ARRAY" eq ref $msg
		2681	? @$msg
		2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2683
		2684	my @reply;
		2685
		2686	if (my $cb = $EXTICMD{$type}) {
		2687	@reply = $cb->($ns, @payload);
		2688	}
		2689
		2690	$ns->ext_reply ($reply, @reply)
		2691	if $reply;
		2692
		2693	} else {
		2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2695	}
		2696
		2697	cf::override;
		2698	},
1957	);	2699	);
1958		2700
1959	=item $client->async (\&cb)	2701	=item $client->async (\&cb)
1960		2702
1961	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
2003	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
2004		2746
2005	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
2006		2748
2007	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
2008		2754
2009	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
2010		2756
2011	=pod	2757	=pod
2012		2758
2013	The following fucntions and emthods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
2014		2760
2015	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
2016	cf::object::player player	2765	cf::object::player
2017	cf::player peaceful	2766	player
2018	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
2019		2773
2020	=cut	2774	=cut
2021		2775
2022	for (	2776	for (
2023	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
2024	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
2025	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
2026	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
2027	) {	2783	) {
2028	no strict 'refs';	2784	no strict 'refs';
…		…
2099	=back	2855	=back
2100		2856
2101	=cut	2857	=cut
2102		2858
2103	#############################################################################	2859	#############################################################################
		2860	# the server's init and main functions
2104		2861
2105	=head2 EXTENSION DATABASE SUPPORT	2862	sub load_facedata($) {
		2863	my ($path) = @_;
2106		2864
2107	Crossfire maintains a very simple database for extension use. It can	2865	# HACK to clear player env face cache, we need some signal framework
2108	currently store anything that can be serialised using Storable, which	2866	# for this (global event?)
2109	excludes objects.	2867	%ext::player_env::MUSIC_FACE_CACHE = ();
2110		2868
2111	The parameter C<$family> should best start with the name of the extension	2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2112	using it, it should be unique.
2113		2870
2114	=over 4	2871	warn "loading facedata from $path\n";
2115		2872
2116	=item $hashref = cf::db_get $family	2873	my $facedata;
		2874	0 < aio_load $path, $facedata
		2875	or die "$path: $!";
2117		2876
2118	Return a hashref for use by the extension C<$family>, which can be	2877	$facedata = Coro::Storable::thaw $facedata;
2119	modified. After modifications, you have to call C<cf::db_dirty> or
2120	C<cf::db_sync>.
2121		2878
2122	=item $value = cf::db_get $family => $key	2879	$facedata->{version} == 2
		2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
2123		2881
2124	Returns a single value from the database	2882	# patch in the exptable
2125		2883	$facedata->{resource}{"res/exp_table"} = {
2126	=item cf::db_put $family => $hashref	2884	type => FT_RSRC,
2127		2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2128	Stores the given family hashref into the database. Updates are delayed, if
2129	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2130
2131	=item cf::db_put $family => $key => $value
2132
2133	Stores the given C<$value> in the family hash. Updates are delayed, if you
2134	want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_dirty
2137
2138	Marks the database as dirty, to be updated at a later time.
2139
2140	=item cf::db_sync
2141
2142	Immediately write the database to disk I<if it is dirty>.
2143
2144	=cut
2145
2146	our $DB;
2147
2148	{
2149	my $path = cf::localdir . "/database.pst";
2150
2151	sub db_load() {
2152	$DB = stat $path ? Storable::retrieve $path : { };
2153	}
2154
2155	my $pid;
2156
2157	sub db_save() {
2158	waitpid $pid, 0 if $pid;
2159	if (0 == ($pid = fork)) {
2160	$DB->{_meta}{version} = 1;
2161	Storable::nstore $DB, "$path~";
2162	rename "$path~", $path;
2163	cf::_exit 0 if defined $pid;
2164	}
2165	}
2166
2167	my $dirty;
2168
2169	sub db_sync() {
2170	db_save if $dirty;
2171	undef $dirty;
2172	}
2173
2174	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2175	db_sync;
2176	});	2886	};
		2887	cf::cede_to_tick;
2177		2888
2178	sub db_dirty() {
2179	$dirty = 1;
2180	$idle->start;
2181	}	2889	{
		2890	my $faces = $facedata->{faceinfo};
2182		2891
2183	sub db_get($;$) {	2892	while (my ($face, $info) = each %$faces) {
2184	@_ >= 2	2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2185	? $DB->{$_[0]}{$_[1]}	2894	cf::face::set_visibility $idx, $info->{visibility};
2186	: ($DB->{$_[0]} ||= { })	2895	cf::face::set_magicmap $idx, $info->{magicmap};
2187	}	2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2188		2898
2189	sub db_put($$;$) {	2899	cf::cede_to_tick;
2190	if (@_ >= 3) {
2191	$DB->{$_[0]}{$_[1]} = $_[2];
2192	} else {
2193	$DB->{$_[0]} = $_[1];
2194	}
2195	db_dirty;
2196	}
2197
2198	cf::global->attach (
2199	prio => 10000,
2200	on_cleanup => sub {
2201	db_sync;
2202	},	2900	}
2203	);
2204	}
2205		2901
2206	#############################################################################	2902	while (my ($face, $info) = each %$faces) {
2207	# the server's main()	2903	next unless $info->{smooth};
		2904	my $idx = cf::face::find $face
		2905	or next;
		2906	if (my $smooth = cf::face::find $info->{smooth}) {
		2907	cf::face::set_smooth $idx, $smooth;
		2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2909	} else {
		2910	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2911	}
2208		2912
2209	sub cfg_load {	2913	cf::cede_to_tick;
		2914	}
		2915	}
		2916
		2917	{
		2918	my $anims = $facedata->{animinfo};
		2919
		2920	while (my ($anim, $info) = each %$anims) {
		2921	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2922	cf::cede_to_tick;
		2923	}
		2924
		2925	cf::anim::invalidate_all; # d'oh
		2926	}
		2927
		2928	{
		2929	# TODO: for gcfclient pleasure, we should give resources
		2930	# that gcfclient doesn't grok a >10000 face index.
		2931	my $res = $facedata->{resource};
		2932
		2933	my $soundconf = delete $res->{"res/sound.conf"};
		2934
		2935	while (my ($name, $info) = each %$res) {
		2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2937	my $data;
		2938
		2939	if ($info->{type} & 1) {
		2940	# prepend meta info
		2941
		2942	my $meta = $enc->encode ({
		2943	name => $name,
		2944	%{ $info->{meta} || {} },
		2945	});
		2946
		2947	$data = pack "(w/a*)*", $meta, $info->{data};
		2948	} else {
		2949	$data = $info->{data};
		2950	}
		2951
		2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2953	cf::face::set_type $idx, $info->{type};
		2954
		2955	cf::cede_to_tick;
		2956	}
		2957
		2958	if ($soundconf) {
		2959	$soundconf = $enc->decode (delete $soundconf->{data});
		2960
		2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2962	my $sound = $soundconf->{compat}[$_]
		2963	or next;
		2964
		2965	my $face = cf::face::find "sound/$sound->[1]";
		2966	cf::sound::set $sound->[0] => $face;
		2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2968	}
		2969
		2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2971	my $face = cf::face::find "sound/$v";
		2972	cf::sound::set $k => $face;
		2973	}
		2974	}
		2975	}
		2976
		2977	1
		2978	}
		2979
		2980	register_exticmd fx_want => sub {
		2981	my ($ns, $want) = @_;
		2982
		2983	while (my ($k, $v) = each %$want) {
		2984	$ns->fx_want ($k, $v);
		2985	}
		2986	};
		2987
		2988	sub reload_regions {
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	load_resource_file "$MAPDIR/regions"
		2994	or die "unable to load regions file\n";
		2995
		2996	for (cf::region::list) {
		2997	$_->{match} = qr/$_->{match}/
		2998	if exists $_->{match};
		2999	}
		3000	}
		3001
		3002	sub reload_facedata {
		3003	load_facedata "$DATADIR/facedata"
		3004	or die "unable to load facedata\n";
		3005	}
		3006
		3007	sub reload_archetypes {
		3008	load_resource_file "$DATADIR/archetypes"
		3009	or die "unable to load archetypes\n";
		3010	#d# NEED to laod twice to resolve forward references
		3011	# this really needs to be done in an extra post-pass
		3012	# (which needs to be synchronous, so solve it differently)
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	}
		3016
		3017	sub reload_treasures {
		3018	load_resource_file "$DATADIR/treasures"
		3019	or die "unable to load treasurelists\n";
		3020	}
		3021
		3022	sub reload_resources {
		3023	warn "reloading resource files...\n";
		3024
		3025	reload_regions;
		3026	reload_facedata;
		3027	#reload_archetypes;#d#
		3028	reload_archetypes;
		3029	reload_treasures;
		3030
		3031	warn "finished reloading resource files\n";
		3032	}
		3033
		3034	sub init {
		3035	reload_resources;
		3036	}
		3037
		3038	sub reload_config {
2210	open my $fh, "<:utf8", cf::confdir . "/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
2211	or return;	3040	or return;
2212		3041
2213	local $/;	3042	local $/;
2214	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
2215		3044
…		…
2229		3058
2230	sub main {	3059	sub main {
2231	# we must not ever block the main coroutine	3060	# we must not ever block the main coroutine
2232	local $Coro::idle = sub {	3061	local $Coro::idle = sub {
2233	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3062	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3063	(async {
2234	async { Event::one_event };	3064	Event::one_event;
		3065	})->prio (Coro::PRIO_MAX);
2235	};	3066	};
2236		3067
2237	cfg_load;	3068	reload_config;
2238	db_load;	3069	db_init;
2239	load_extensions;	3070	load_extensions;
		3071
		3072	$TICK_WATCHER->start;
2240	Event::loop;	3073	Event::loop;
2241	}	3074	}
2242		3075
2243	#############################################################################	3076	#############################################################################
2244	# initialisation and cleanup	3077	# initialisation and cleanup
2245		3078
2246	# install some emergency cleanup handlers	3079	# install some emergency cleanup handlers
2247	BEGIN {	3080	BEGIN {
2248	for my $signal (qw(INT HUP TERM)) {	3081	for my $signal (qw(INT HUP TERM)) {
2249	Event->signal (	3082	Event->signal (
		3083	reentrant => 0,
2250	data => WF_AUTOCANCEL,	3084	data => WF_AUTOCANCEL,
2251	signal => $signal,	3085	signal => $signal,
		3086	prio => 0,
2252	cb => sub {	3087	cb => sub {
2253	cf::cleanup "SIG$signal";	3088	cf::cleanup "SIG$signal";
2254	},	3089	},
2255	);	3090	);
2256	}	3091	}
		3092	}
		3093
		3094	sub write_runtime {
		3095	my $runtime = "$LOCALDIR/runtime";
		3096
		3097	# first touch the runtime file to show we are still running:
		3098	# the fsync below can take a very very long time.
		3099
		3100	IO::AIO::aio_utime $runtime, undef, undef;
		3101
		3102	my $guard = cf::lock_acquire "write_runtime";
		3103
		3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3105	or return;
		3106
		3107	my $value = $cf::RUNTIME + 90 + 10;
		3108	# 10 is the runtime save interval, for a monotonic clock
		3109	# 60 allows for the watchdog to kill the server.
		3110
		3111	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3112	and return;
		3113
		3114	# always fsync - this file is important
		3115	aio_fsync $fh
		3116	and return;
		3117
		3118	# touch it again to show we are up-to-date
		3119	aio_utime $fh, undef, undef;
		3120
		3121	close $fh
		3122	or return;
		3123
		3124	aio_rename "$runtime~", $runtime
		3125	and return;
		3126
		3127	warn "runtime file written.\n";
		3128
		3129	1
2257	}	3130	}
2258		3131
2259	sub emergency_save() {	3132	sub emergency_save() {
2260	my $freeze_guard = cf::freeze_mainloop;	3133	my $freeze_guard = cf::freeze_mainloop;
2261		3134
…		…
2278	my $map = $cf::MAP{$path} or next;	3151	my $map = $cf::MAP{$path} or next;
2279	$map->valid or next;	3152	$map->valid or next;
2280	$map->save;	3153	$map->save;
2281	}	3154	}
2282	warn "end emergency map save\n";	3155	warn "end emergency map save\n";
		3156
		3157	warn "begin emergency database checkpoint\n";
		3158	BDB::db_env_txn_checkpoint $DB_ENV;
		3159	warn "end emergency database checkpoint\n";
2283	};	3160	};
2284		3161
2285	warn "leave emergency perl save\n";	3162	warn "leave emergency perl save\n";
2286	}	3163	}
2287		3164
		3165	sub post_cleanup {
		3166	my ($make_core) = @_;
		3167
		3168	warn Carp::longmess "post_cleanup backtrace"
		3169	if $make_core;
		3170	}
		3171
2288	sub reload() {	3172	sub do_reload_perl() {
2289	# can/must only be called in main	3173	# can/must only be called in main
2290	if ($Coro::current != $Coro::main) {	3174	if ($Coro::current != $Coro::main) {
2291	warn "can only reload from main coroutine\n";	3175	warn "can only reload from main coroutine";
2292	return;	3176	return;
2293	}	3177	}
2294		3178
2295	warn "reloading...";	3179	warn "reloading...";
2296		3180
2297	warn "freezing server";	3181	warn "entering sync_job";
2298	my $guard = freeze_mainloop;	3182
		3183	cf::sync_job {
		3184	cf::write_runtime; # external watchdog should not bark
2299	cf::emergency_save;	3185	cf::emergency_save;
		3186	cf::write_runtime; # external watchdog should not bark
2300		3187
2301	warn "sync database to disk";	3188	warn "syncing database to disk";
2302	cf::db_sync;	3189	BDB::db_env_txn_checkpoint $DB_ENV;
2303	IO::AIO::flush;
2304		3190
2305	eval {
2306	# if anything goes wrong in here, we should simply crash as we already saved	3191	# if anything goes wrong in here, we should simply crash as we already saved
2307		3192
2308	warn "cancel all watchers";	3193	warn "cancelling all WF_AUTOCANCEL watchers";
2309	for (Event::all_watchers) {	3194	for (Event::all_watchers) {
2310	$_->cancel if $_->data & WF_AUTOCANCEL;	3195	$_->cancel if $_->data & WF_AUTOCANCEL;
2311	}	3196	}
2312		3197
		3198	warn "flushing outstanding aio requests";
		3199	for (;;) {
		3200	BDB::flush;
		3201	IO::AIO::flush;
		3202	Coro::cede;
		3203	last unless IO::AIO::nreqs || BDB::nreqs;
		3204	warn "iterate...";
		3205	}
		3206
		3207	++$RELOAD;
		3208
2313	warn "cancel all extension coros";	3209	warn "cancelling all extension coros";
2314	$_->cancel for values %EXT_CORO;	3210	$_->cancel for values %EXT_CORO;
2315	%EXT_CORO = ();	3211	%EXT_CORO = ();
2316		3212
2317	warn "remove commands";	3213	warn "removing commands";
2318	%COMMAND = ();	3214	%COMMAND = ();
2319		3215
2320	warn "remove ext commands";	3216	warn "removing ext/exti commands";
2321	%EXTCMD = ();	3217	%EXTCMD = ();
		3218	%EXTICMD = ();
2322		3219
2323	warn "unload/nuke all extensions";	3220	warn "unloading/nuking all extensions";
2324	for my $pkg (@EXTS) {	3221	for my $pkg (@EXTS) {
2325	warn "... unloading $pkg";	3222	warn "... unloading $pkg";
2326		3223
2327	if (my $cb = $pkg->can ("unload")) {	3224	if (my $cb = $pkg->can ("unload")) {
2328	eval {	3225	eval {
…		…
2333		3230
2334	warn "... nuking $pkg";	3231	warn "... nuking $pkg";
2335	Symbol::delete_package $pkg;	3232	Symbol::delete_package $pkg;
2336	}	3233	}
2337		3234
2338	warn "unload all perl modules loaded from $LIBDIR";	3235	warn "unloading all perl modules loaded from $LIBDIR";
2339	while (my ($k, $v) = each %INC) {	3236	while (my ($k, $v) = each %INC) {
2340	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2341		3238
2342	warn "removing <$k>";	3239	warn "... unloading $k";
2343	delete $INC{$k};	3240	delete $INC{$k};
2344		3241
2345	$k =~ s/\.pm$//;	3242	$k =~ s/\.pm$//;
2346	$k =~ s/\//::/g;	3243	$k =~ s/\//::/g;
2347		3244
…		…
2350	}	3247	}
2351		3248
2352	Symbol::delete_package $k;	3249	Symbol::delete_package $k;
2353	}	3250	}
2354		3251
2355	warn "get rid of safe::, as good as possible";	3252	warn "getting rid of safe::, as good as possible";
2356	Symbol::delete_package "safe::$_"	3253	Symbol::delete_package "safe::$_"
2357	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2358		3255
2359	warn "unload cf.pm \"a bit\"";	3256	warn "unloading cf.pm \"a bit\"";
2360	delete $INC{"cf.pm"};	3257	delete $INC{"cf.pm"};
		3258	delete $INC{"cf/pod.pm"};
2361		3259
2362	# don't, removes xs symbols, too,	3260	# don't, removes xs symbols, too,
2363	# and global variables created in xs	3261	# and global variables created in xs
2364	#Symbol::delete_package __PACKAGE__;	3262	#Symbol::delete_package __PACKAGE__;
2365		3263
		3264	warn "unload completed, starting to reload now";
		3265
2366	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2367	require cf;	3267	require cf;
2368	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2369		3269
2370	warn "load config and database again";	3270	warn "loading config and database again";
2371	cf::cfg_load;	3271	cf::reload_config;
2372	cf::db_load;
2373		3272
2374	warn "load extensions";	3273	warn "loading extensions";
2375	cf::load_extensions;	3274	cf::load_extensions;
2376		3275
2377	warn "reattach attachments to objects/players";	3276	warn "reattaching attachments to objects/players";
2378	_global_reattach;	3277	_global_reattach; # objects, sockets
2379	warn "reattach attachments to maps";	3278	warn "reattaching attachments to maps";
2380	reattach $_ for values %MAP;	3279	reattach $_ for values %MAP;
2381	};	3280	warn "reattaching attachments to players";
		3281	reattach $_ for values %PLAYER;
2382		3282
2383	if ($@) {	3283	warn "leaving sync_job";
		3284
		3285	1
		3286	} or do {
2384	warn $@;	3287	warn $@;
2385	warn "error while reloading, exiting.";	3288	warn "error while reloading, exiting.";
2386	exit 1;	3289	exit 1;
2387	}	3290	};
2388		3291
2389	warn "reloaded";	3292	warn "reloaded";
2390	};	3293	};
2391		3294
		3295	our $RELOAD_WATCHER; # used only during reload
		3296
		3297	sub reload_perl() {
		3298	# doing reload synchronously and two reloads happen back-to-back,
		3299	# coro crashes during coro_state_free->destroy here.
		3300
		3301	$RELOAD_WATCHER ||= Event->timer (
		3302	reentrant => 0,
		3303	after => 0,
		3304	data => WF_AUTOCANCEL,
		3305	cb => sub {
		3306	do_reload_perl;
		3307	undef $RELOAD_WATCHER;
		3308	},
		3309	);
		3310	}
		3311
2392	register_command "reload" => sub {	3312	register_command "reload" => sub {
2393	my ($who, $arg) = @_;	3313	my ($who, $arg) = @_;
2394		3314
2395	if ($who->flag (FLAG_WIZ)) {	3315	if ($who->flag (FLAG_WIZ)) {
2396	$who->message ("start of reload.");
2397	reload;
2398	$who->message ("end of reload.");	3316	$who->message ("reloading server.");
		3317	async { reload_perl };
2399	}	3318	}
2400	};	3319	};
2401		3320
2402	unshift @INC, $LIBDIR;	3321	unshift @INC, $LIBDIR;
2403		3322
		3323	my $bug_warning = 0;
		3324
		3325	our @WAIT_FOR_TICK;
		3326	our @WAIT_FOR_TICK_BEGIN;
		3327
		3328	sub wait_for_tick {
		3329	return unless $TICK_WATCHER->is_active;
		3330	return if $Coro::current == $Coro::main;
		3331
		3332	my $signal = new Coro::Signal;
		3333	push @WAIT_FOR_TICK, $signal;
		3334	$signal->wait;
		3335	}
		3336
		3337	sub wait_for_tick_begin {
		3338	return unless $TICK_WATCHER->is_active;
		3339	return if $Coro::current == $Coro::main;
		3340
		3341	my $signal = new Coro::Signal;
		3342	push @WAIT_FOR_TICK_BEGIN, $signal;
		3343	$signal->wait;
		3344	}
		3345
		3346	my $min = 1e6;#d#
		3347	my $avg = 10;
2404	$TICK_WATCHER = Event->timer (	3348	$TICK_WATCHER = Event->timer (
2405	reentrant => 0,	3349	reentrant => 0,
		3350	parked => 1,
2406	prio => 0,	3351	prio => 0,
2407	at => $NEXT_TICK || $TICK,	3352	at => $NEXT_TICK || $TICK,
2408	data => WF_AUTOCANCEL,	3353	data => WF_AUTOCANCEL,
2409	cb => sub {	3354	cb => sub {
		3355	if ($Coro::current != $Coro::main) {
		3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3357	unless ++$bug_warning > 10;
		3358	return;
		3359	}
		3360
2410	$NOW = Event::time;	3361	$NOW = $tick_start = Event::time;
2411		3362
2412	cf::server_tick; # one server iteration	3363	cf::server_tick; # one server iteration
		3364
		3365	0 && sync_job {#d#
		3366	for(1..10) {
		3367	my $t = Event::time;
		3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3369	or die;
		3370
		3371	$map->width (50);
		3372	$map->height (50);
		3373	$map->alloc;
		3374	$map->_load_objects ("/tmp/x.map", 1);
		3375	my $t = Event::time - $t;
		3376
		3377	#next unless $t < 0.0013;#d#
		3378	if ($t < $min) {
		3379	$min = $t;
		3380	}
		3381	$avg = $avg * 0.99 + $t * 0.01;
		3382	}
		3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3384	exit 0;
		3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3386	};
		3387
2413	$RUNTIME += $TICK;	3388	$RUNTIME += $TICK;
2414	$NEXT_TICK += $TICK;	3389	$NEXT_TICK += $TICK;
2415		3390
2416	$WAIT_FOR_TICK->broadcast;	3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2417	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3393	Coro::async_pool {
		3394	write_runtime
		3395	or warn "ERROR: unable to write runtime file: $!";
		3396	};
		3397	}
		3398
		3399	# my $AFTER = Event::time;
		3400	# warn $AFTER - $NOW;#d#
		3401
		3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3403	$sig->send;
		3404	}
		3405	while (my $sig = shift @WAIT_FOR_TICK) {
		3406	$sig->send;
		3407	}
		3408
		3409	$NOW = Event::time;
2418		3410
2419	# if we are delayed by four ticks or more, skip them all	3411	# if we are delayed by four ticks or more, skip them all
2420	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2421		3413
2422	$TICK_WATCHER->at ($NEXT_TICK);	3414	$TICK_WATCHER->at ($NEXT_TICK);
2423	$TICK_WATCHER->start;	3415	$TICK_WATCHER->start;
		3416
		3417	$LOAD = ($NOW - $tick_start) / $TICK;
		3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3419
		3420	_post_tick;
		3421
		3422
2424	},	3423	},
2425	);	3424	);
2426		3425
		3426	{
		3427	BDB::max_poll_time $TICK * 0.1;
		3428	$BDB_POLL_WATCHER = Event->io (
		3429	reentrant => 0,
		3430	fd => BDB::poll_fileno,
		3431	poll => 'r',
		3432	prio => 0,
		3433	data => WF_AUTOCANCEL,
		3434	cb => \&BDB::poll_cb,
		3435	);
		3436	BDB::min_parallel 8;
		3437
		3438	BDB::set_sync_prepare {
		3439	my $status;
		3440	my $current = $Coro::current;
		3441	(
		3442	sub {
		3443	$status = $!;
		3444	$current->ready; undef $current;
		3445	},
		3446	sub {
		3447	Coro::schedule while defined $current;
		3448	$! = $status;
		3449	},
		3450	)
		3451	};
		3452
		3453	unless ($DB_ENV) {
		3454	$DB_ENV = BDB::db_env_create;
		3455
		3456	cf::sync_job {
		3457	eval {
		3458	BDB::db_env_open
		3459	$DB_ENV,
		3460	$BDBDIR,
		3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3463	0666;
		3464
		3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3466
		3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3468	$DB_ENV->set_lk_detect;
		3469	};
		3470
		3471	cf::cleanup "db_env_open(db): $@" if $@;
		3472	};
		3473	}
		3474	}
		3475
		3476	{
		3477	IO::AIO::min_parallel 8;
		3478
		3479	undef $Coro::AIO::WATCHER;
2427	IO::AIO::max_poll_time $TICK * 0.2;	3480	IO::AIO::max_poll_time $TICK * 0.1;
2428
2429	$AIO_POLL_WATCHER = Event->io (	3481	$AIO_POLL_WATCHER = Event->io (
2430	fd => IO::AIO::poll_fileno,	3482	reentrant => 0,
2431	poll => 'r',
2432	prio => 5,
2433	data => WF_AUTOCANCEL,
2434	cb => \&IO::AIO::poll_cb,
2435	);
2436
2437	$WRITE_RUNTIME_WATCHER = Event->timer (
2438	data => WF_AUTOCANCEL,	3483	data => WF_AUTOCANCEL,
2439	after => 0,	3484	fd => IO::AIO::poll_fileno,
2440	interval => 10,	3485	poll => 'r',
2441	cb => sub {	3486	prio => 6,
2442	(Coro::unblock_sub {	3487	cb => \&IO::AIO::poll_cb,
2443	write_runtime	3488	);
2444	or warn "ERROR: unable to write runtime file: $!";	3489	}
		3490
		3491	my $_log_backtrace;
		3492
		3493	sub _log_backtrace {
		3494	my ($msg, @addr) = @_;
		3495
		3496	$msg =~ s/\n//;
		3497
		3498	# limit the # of concurrent backtraces
		3499	if ($_log_backtrace < 2) {
		3500	++$_log_backtrace;
		3501	async {
		3502	my @bt = fork_call {
		3503	@addr = map { sprintf "%x", $_ } @addr;
		3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3506	or die "addr2line: $!";
		3507
		3508	my @funcs;
		3509	my @res = <$fh>;
		3510	chomp for @res;
		3511	while (@res) {
		3512	my ($func, $line) = splice @res, 0, 2, ();
		3513	push @funcs, "[$func] $line";
		3514	}
		3515
		3516	@funcs
		3517	};
		3518
		3519	LOG llevInfo, "[ABT] $msg\n";
		3520	LOG llevInfo, "[ABT] $_\n" for @bt;
		3521	--$_log_backtrace;
2445	})->();	3522	};
		3523	} else {
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] [suppressed]\n";
2446	},	3526	}
2447	);	3527	}
		3528
		3529	# load additional modules
		3530	use cf::pod;
2448		3531
2449	END { cf::emergency_save }	3532	END { cf::emergency_save }
2450		3533
2451	1	3534	1
2452		3535

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