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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.342 by root, Sun Aug 26 15:31:02 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 1.4 ();
		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
…		…
228	returned.	275	returned.
229		276
230	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
232		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
233	=cut	284	=cut
234		285
235	our %LOCK;	286	our %LOCK;
236		287
237	sub lock_wait($) {	288	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
258	}	309	}
259	}	310	}
260		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
261	sub freeze_mainloop {	318	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
263		320
264	my $guard = Coro::guard {	321	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	323	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
270	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
271	}	382	}
272		383
273	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
274		385
275	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		391
281	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
282		393
283	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
284		395
285	The design of crossfire+ requires that the main coro ($Coro::main) is	396	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	397	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.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
288		400
289	If it must be done, put the blocking parts into C<sync_job>. This will run	401	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	402	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	403	server will be frozen during this time, so the block should either finish
292	fast or be very important.	404	fast or be very important.
…		…
295		407
296	sub sync_job(&) {	408	sub sync_job(&) {
297	my ($job) = @_;	409	my ($job) = @_;
298		410
299	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
300	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
302		416
303	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
315		429
316	while ($busy) {	430	while ($busy) {
317	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
318	}	432	}
319		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
320	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
321	} else {	442	} else {
322	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
323		444
324	$job->()	445	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
344		465
345	$coro	466	$coro
346	}	467	}
347		468
348	sub write_runtime {	469	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		470
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
352	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
353		475
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		477
358	aio_fsync $fh	478	sub fork_call(&@) {
359	and return;	479	my ($cb, @args) = @_;
360		480
361	close $fh	481	# we seemingly have to make a local copy of the whole thing,
362	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
363		484
364	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
365	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
366		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
367	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	618	}
369		619
370	=back	620	=back
371		621
372	=cut	622	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
381		631
382	In the following description, CLASS can be any of C<global>, C<object>	632	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	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	634	Crossfire TRT).
385		635
386	=over 4	636	=over 4
387		637
388	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
389		639
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	754	our @CB_MAP = ();
505		755
506	my %attachment;	756	my %attachment;
507		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
508	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
510		766
511	use sort 'stable';	767	use sort 'stable';
512		768
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
547		803
548	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		808
553	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	810	my $pkg = shift @arg;
555		811
556	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
586	}	842	}
587		843
588	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
589	} else {	845	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	847	}
592		848
593	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
594	}	850	}
595		851
…		…
597	if (ref $_[0]) {	853	if (ref $_[0]) {
598	_object_attach @_;	854	_object_attach @_;
599	} else {	855	} else {
600	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
601	}	857	}
		858	_recalc_want;
602	};	859	};
603		860
604	# all those should be optimised	861	# all those should be optimised
605	sub cf::attachable::detach {	862	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
610	reattach ($obj);	867	reattach ($obj);
611	} else {	868	} else {
612	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
613	}	870	}
		871	_recalc_want;
614	};	872	};
615		873
616	sub cf::attachable::attached {	874	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
618		876
…		…
633	";	891	";
634	die if $@;	892	die if $@;
635	}	893	}
636		894
637	our $override;	895	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		897
640	sub override {	898	sub override {
641	$override = 1;	899	$override = 1;
642	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
643	}	901	}
644		902
645	sub do_invoke {	903	sub do_invoke {
646	my $event = shift;	904	my $event = shift;
647	my $callbacks = shift;	905	my $callbacks = shift;
648		906
649	@invoke_results = ();	907	@INVOKE_RESULTS = ();
650		908
651	local $override;	909	local $override;
652		910
653	for (@$callbacks) {	911	for (@$callbacks) {
654	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
671		929
672	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
673		931
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		935
678	=back	936	=back
679		937
680	=cut	938	=cut
681		939
682	#############################################################################	940	#############################################################################
683	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
684		953
685	sub reattach {	954	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	956	my ($obj) = @_;
688		957
…		…
741	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
742		1011
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1016	close $fh;
748		1017
749	if (@$objs) {	1018	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1024	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
757	}	1026	}
758	} else {	1027	} else {
759	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
791	or return;	1060	or return;
792	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
793	}	1062	}
794		1063
795	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
797	return ($data, $av);	1066	return ($data, $av);
798	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
799		1074
800	#############################################################################	1075	#############################################################################
801	# command handling &c	1076	# command handling &c
802		1077
803	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1092	}
818		1093
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1095
821	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
822		1101
823	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
824	called.	1103	called.
825		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
826	=cut	1116	=cut
827		1117
828	sub register_extcmd {	1118	sub register_extcmd {
829	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
830		1120
831	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
832	}	1128	}
833		1129
834	cf::player->attach (	1130	cf::player->attach (
835	on_command => sub {	1131	on_command => sub {
836	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1141	cf::override;
846	},	1142	},
847	on_extcmd => sub {	1143	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
849		1145
850	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1147
852	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
858	} else {	1163	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1165	}
861		1166
862	cf::override;	1167	cf::override;
863	},	1168	},
864	);	1169	);
865		1170
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
901	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1176	next unless -r $path;
903	eval {	1177
904	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
905	1	1235	}
906	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
907	}	1241	};
908	}	1242	}
909		1243
910	#############################################################################	1244	#############################################################################
911		1245
		1246	=back
		1247
912	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
913		1249
914	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
915		1251
916	=cut	1252	=cut
…		…
928	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
929		1265
930	=cut	1266	=cut
931		1267
932	sub playerdir($) {	1268	sub playerdir($) {
933	cf::localdir	1269	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1271	}
939		1272
940	sub path($) {	1273	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1275
943	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
944	}	1277	}
945		1278
946	sub find_active($) {	1279	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
951		1284
952	sub exists($) {	1285	sub exists($) {
953	my ($login) = @_;	1286	my ($login) = @_;
954		1287
955	$cf::PLAYER{$login}	1288	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1289	or cf::sync_job { !aio_stat path $login }
957	}	1290	}
958		1291
959	sub find($) {	1292	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1293	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1294	my $login = $_[0];
962		1295
963	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
964		1297
965	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
966	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
967	or return;	1307	or return;
968	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
969	}	1309	}
970	}	1310	}
…		…
998	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
999		1339
1000	$self	1340	$self
1001	}	1341	}
1002		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1003	=item $pl->quit_character	1353	=item $pl->quit_character
1004		1354
1005	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1007		1357
1008	=cut	1358	=cut
1009		1359
1010	sub quit_character {	1360	sub quit_character {
1011	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1012		1364
1013	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1367
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1026	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1027	}	1399	}
1028		1400
1029	=item cf::player::list_logins	1401	=item cf::player::list_logins
1030		1402
1031	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1033		1405
1034	=cut	1406	=cut
1035		1407
1036	sub list_logins {	1408	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1410	or return [];
1039		1411
1040	my @logins;	1412	my @logins;
1041		1413
1042	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1059	=cut	1431	=cut
1060		1432
1061	sub maps($) {	1433	sub maps($) {
1062	my ($pl) = @_;	1434	my ($pl) = @_;
1063		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
		1437
1064	my $files = aio_readdir playerdir $pl	1438	my $files = aio_readdir playerdir $pl
1065	or return;	1439	or return;
1066		1440
1067	my @paths;	1441	my @paths;
1068		1442
1069	for (@$files) {	1443	for (@$files) {
1070	utf8::decode $_;	1444	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1445	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1446	next unless /^$PATH_SEP/o;
1073		1447
1074	s/\.map$//;	1448	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1449	}
1077		1450
1078	\@paths	1451	\@paths
1079	}	1452	}
1080		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1082		1505
1083	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1084		1507
1085	=cut	1508	=cut
1086		1509
1087	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1089		1512
1090	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1514	}
1094		1515
1095	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1096		1556
1097	=back	1557	=back
1098
1099		1558
1100	=head3 cf::map	1559	=head3 cf::map
1101		1560
1102	=over 4	1561	=over 4
1103		1562
…		…
1107		1566
1108	use Fcntl;	1567	use Fcntl;
1109	use Coro::AIO;	1568	use Coro::AIO;
1110		1569
1111	use overload	1570	use overload
1112	'""' => \&as_string;	1571	'""' => \&as_string,
		1572	fallback => 1;
1113		1573
1114	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1116		1576
1117	sub generate_random_map {	1577	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1580	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1592	)
1134	}	1593	}
1135		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
1136	sub register {	1603	sub register {
1137	my (undef, $regex) = @_;	1604	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1605	my $pkg = caller;
1139		1606
1140	no strict;	1607	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1608	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1609
1143	$EXT_MAP{$pkg} = qr<$regex>;	1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1611	}
1145		1612
1146	# also paths starting with '/'	1613	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
1148		1625
1149	sub normalise {	1626	sub normalise {
1150	my ($path, $base) = @_;	1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
1151		1632
1152	# map plan:	1633	# map plan:
1153	#	1634	#
1154	# /! non-realised random map exit (special hack!)	1635	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1636	# {... are special paths that are not being touched
…		…
1183		1664
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1666
1186	$path = normalise $path, $base;	1667	$path = normalise $path, $base;
1187		1668
1188	for my $pkg (keys %EXT_MAP) {	1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1671	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1672	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1193	return $self;	1674	return $self;
1194	}	1675	}
1195	}	1676	}
1196		1677
1197	Carp::carp "unable to resolve path '$path'.";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1679	()
1199	}	1680	}
1200		1681
1201	sub init {	1682	sub init {
1202	my ($self) = @_;	1683	my ($self) = @_;
…		…
1217		1698
1218	# the original (read-only) location	1699	# the original (read-only) location
1219	sub load_path {	1700	sub load_path {
1220	my ($self) = @_;	1701	my ($self) = @_;
1221		1702
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1223	}	1704	}
1224		1705
1225	# the temporary/swap location	1706	# the temporary/swap location
1226	sub save_path {	1707	sub save_path {
1227	my ($self) = @_;	1708	my ($self) = @_;
1228		1709
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1231	}	1712	}
1232		1713
1233	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1234	sub uniq_path {	1715	sub uniq_path {
1235	my ($self) = @_;	1716	my ($self) = @_;
1236		1717
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1239	}	1720	}
1240		1721
1241	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1242	# all maps in C++...	1723	# all maps in C++...
1243	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1245		1726
1246	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1248	}	1729	}
1249		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
1250	sub unlink_save {	1739	sub unlink_save {
1251	my ($self) = @_;	1740	my ($self) = @_;
1252		1741
1253	utf8::encode (my $save = $self->save_path);	1742	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1745	}
1257		1746
1258	sub load_header_from($) {	1747	sub load_header_from($) {
1259	my ($self, $path) = @_;	1748	my ($self, $path) = @_;
1260		1749
1261	utf8::encode $path;	1750	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
1263	or return;	1752	# or return;
1264		1753
1265	$self->_load_header ($path)	1754	$self->_load_header ($path)
1266	or return;	1755	or return;
1267		1756
1268	$self->{load_path} = $path;	1757	$self->{load_path} = $path;
1269		1758
1270	1	1759	1
1271	}	1760	}
1272		1761
1273	sub load_orig {	1762	sub load_header_orig {
1274	my ($self) = @_;	1763	my ($self) = @_;
1275		1764
1276	$self->load_header_from ($self->load_path)	1765	$self->load_header_from ($self->load_path)
1277	}	1766	}
1278		1767
1279	sub load_temp {	1768	sub load_header_temp {
1280	my ($self) = @_;	1769	my ($self) = @_;
1281		1770
1282	$self->load_header_from ($self->save_path)	1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
1283	}	1791	}
1284		1792
1285	sub load_header {	1793	sub load_header {
1286	my ($self) = @_;	1794	my ($self) = @_;
1287		1795
1288	if ($self->load_temp) {	1796	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1797	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1798	} else {
1295	$self->load_orig	1799	$self->load_header_orig
1296	or return;	1800	or return;
1297		1801	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1802	}
		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
1303		1809
1304	1	1810	1
1305	}	1811	}
1306		1812
1307	sub find;	1813	sub find;
…		…
1320	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1321		1827
1322	$map->load_header	1828	$map->load_header
1323	or return;	1829	or return;
1324		1830
1325	if ($map->should_reset) {	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1326	$map->reset;	1834	$map->reset;
1327	undef $guard;	1835	undef $guard;
1328	$map = find $path	1836	return find $path;
1329	or return;
1330	}	1837	}
1331		1838
1332	$cf::MAP{$path} = $map	1839	$cf::MAP{$path} = $map
1333	}	1840	}
1334	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1335		1845
1336	sub load {	1846	sub load {
1337	my ($self) = @_;	1847	my ($self) = @_;
1338		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1339	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1854	my $guard = cf::lock_acquire "map_load:$path";
1341		1855
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1343		1857
1344	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1345		1859
1346	$self->alloc;	1860	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)
1348	or return;
1349		1861
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1862	$self->pre_load;
1351	if delete $self->{load_original};
1352
1353	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {
1356	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);
1358	}
1359	}
1360
1361	Coro::cede;
1362
1363	# now do the right thing for maps
1364	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;	1863	Coro::cede;
1371	$self->set_darkness_map;	1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
		1876	}
		1877	}
		1878
		1879	Coro::cede;
		1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
1372	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1883	unless $self->difficulty;
1374	Coro::cede;	1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1375	$self->activate;	1893	$self->activate;
1376	}	1894	}
1377		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
		1900	}
		1901
		1902	$self->post_load;
1379	}	1903	}
1380		1904
1381	sub customise_for {	1905	sub customise_for {
1382	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1383		1907
1384	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1909	if $self->per_player;
1386		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1387	$self	1914	$self
1388	}	1915	}
1389		1916
1390	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	1918	sub load_neighbours {
1392	my ($map) = @_;	1919	my ($map) = @_;
1393		1920
1394	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1395		1922
1396	for (0 .. 3) {	1923	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1398	or next;	1925	or next;
1399	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1400	or next;	1927	or next;
1401	$neigh->load;	1928	$neigh->load;
1402		1929
		1930	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	1933	}
1406		1934
1407	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1409	or next;	1938	or next;
1410	$neigh->load;	1939	$neigh->load;
1411	}	1940	}
1412	}	1941	}
1413		1942
…		…
1418	}	1947	}
1419		1948
1420	sub do_load_sync {	1949	sub do_load_sync {
1421	my ($map) = @_;	1950	my ($map) = @_;
1422		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1423	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1424	}	1956	}
1425		1957
1426	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	1959	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		1960
1440	sub find_async {	1961	sub find_async {
1441	my ($path, $origin) = @_;	1962	my ($path, $origin, $load) = @_;
1442		1963
1443	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1444		1965
1445	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1968	}
		1969
		1970	$MAP_PREFETCH{$path} |= $load;
		1971
		1972	$MAP_PREFETCHER ||= cf::async {
		1973	while (%MAP_PREFETCH) {
		1974	while (my ($k, $v) = each %MAP_PREFETCH) {
		1975	if (my $map = find $k) {
		1976	$map->load if $v;
		1977	}
		1978
		1979	delete $MAP_PREFETCH{$k};
		1980	}
		1981	}
		1982	undef $MAP_PREFETCHER;
1447	}	1983	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	1984	$MAP_PREFETCHER->prio (6);
1451		1985
1452	()	1986	()
1453	}	1987	}
1454		1988
1455	sub save {	1989	sub save {
…		…
1500		2034
1501	sub reset_at {	2035	sub reset_at {
1502	my ($self) = @_;	2036	my ($self) = @_;
1503		2037
1504	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1507		2040
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2043
…		…
1515	my ($self) = @_;	2048	my ($self) = @_;
1516		2049
1517	$self->reset_at <= $cf::RUNTIME	2050	$self->reset_at <= $cf::RUNTIME
1518	}	2051	}
1519		2052
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2053	sub reset {
1535	my ($self) = @_;	2054	my ($self) = @_;
1536		2055
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2057
1539	return if $self->players;	2058	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2059
1542	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
		2061
		2062	$self->in_memory (cf::MAP_SWAPPED);
		2063
		2064	# need to save uniques path
		2065	unless ($self->{deny_save}) {
		2066	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2067
		2068	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2069	if $uniq;
		2070	}
1543		2071
1544	delete $cf::MAP{$self->path};	2072	delete $cf::MAP{$self->path};
1545		2073
1546	$self->in_memory (cf::MAP_SWAPPED);
1547	$self->clear;	2074	$self->clear;
1548		2075
1549	$_->clear_links_to ($self) for values %cf::MAP;	2076	$_->clear_links_to ($self) for values %cf::MAP;
1550		2077
1551	$self->unlink_save;	2078	$self->unlink_save;
…		…
1555	my $nuke_counter = "aaaa";	2082	my $nuke_counter = "aaaa";
1556		2083
1557	sub nuke {	2084	sub nuke {
1558	my ($self) = @_;	2085	my ($self) = @_;
1559		2086
		2087	delete $cf::MAP{$self->path};
		2088
		2089	$self->unlink_save;
		2090
		2091	bless $self, "cf::map";
		2092	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2093	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2094	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2096
		2097	$cf::MAP{$self->path} = $self;
		2098
1563	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
		2100	}
		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
1564	}	2136	}
1565		2137
1566	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1567		2139
1568	Returns an arrayref of paths of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2141	instantiated unique items. May block.
1570		2142
1571	=cut	2143	=cut
1572		2144
1573	sub unique_maps() {	2145	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2146	[
1575	or return;	2147	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2148	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2149	/\.map$/
1585	push @paths, $_;	2150	? normalise $_
		2151	: ()
		2152	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2153	]
1587
1588	\@paths
1589	}	2154	}
1590		2155
1591	package cf;	2156	package cf;
1592		2157
1593	=back	2158	=back
…		…
1639		2204
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2206
1642	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1644	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1647	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1648	}	2232	}
1649		2233
1650	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1651		2235
1652	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2268	=cut
1685		2269
1686	sub link_map {	2270	sub link_map {
1687	unless ($LINK_MAP) {	2271	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2272	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2273	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2274	$LINK_MAP->load;
1691	}	2275	}
1692		2276
1693	$LINK_MAP	2277	$LINK_MAP
1694	}	2278	}
…		…
1699	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1700		2284
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2286
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1705		2289
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2291	}
1708		2292
1709	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1711		2297
1712	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1713		2299
1714	unless ($map) {	2300	unless ($map) {
1715	# restore original map position	2301	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1732		2318
1733	$map->load;	2319	$map->load;
1734	$map->load_diag;	2320	$map->load_neighbours;
1735		2321
1736	return unless $self->contr->active;	2322	return unless $self->contr->active;
1737	$self->activate_recursive;	2323	$self->activate_recursive;
		2324
		2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1739	}	2327	}
1740		2328
1741	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2330
1745	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1749	};	2335	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2336
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2337	=cut
		2338
		2339	our $GOTOGEN;
1776		2340
1777	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2346
1780	$self->enter_link;	2347	$self->enter_link;
1781		2348
1782	(async {	2349	(async {
		2350	my $map = eval {
1783	my $map = cf::map::find $path;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
1785		2355	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2356	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
1790		2359
		2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
		2366	}
		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1792	})->prio (1);	2374	})->prio (1);
1793	}	2375	}
1794		2376
1795	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1796		2378
…		…
1798		2380
1799	sub parse_random_map_params {	2381	sub parse_random_map_params {
1800	my ($spec) = @_;	2382	my ($spec) = @_;
1801		2383
1802	my $rmp = { # defaults	2384	my $rmp = { # defaults
1803	xsize => 10,	2385	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2386	ysize => (cf::rndm 15, 40),
		2387	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2388	#layout => string,
1805	};	2389	};
1806		2390
1807	for (split /\n/, $spec) {	2391	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2392	my ($k, $v) = split /\s+/, $_, 2;
1809		2393
…		…
1813	$rmp	2397	$rmp
1814	}	2398	}
1815		2399
1816	sub prepare_random_map {	2400	sub prepare_random_map {
1817	my ($exit) = @_;	2401	my ($exit) = @_;
		2402
		2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2404
1819	# all this does is basically replace the /! path by	2405	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2406	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2407	# that depends on the exit object
1822		2408
1823	my $rmp = parse_random_map_params $exit->msg;	2409	my $rmp = parse_random_map_params $exit->msg;
1824		2410
1825	if ($exit->map) {	2411	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2412	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2413	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2414	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2415	$rmp->{origin_y} = $exit->y;
1830	}	2416	}
1831		2417
1832	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1833		2419
1834	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
		2422	my $meta = "$RANDOMDIR/$md5.meta";
1836		2423
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
		2426	undef $fh;
		2427	aio_rename "$meta~", $meta;
1839		2428
1840	$exit->slaying ("?random/$md5");	2429	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2430	$exit->msg (undef);
1842	}	2431	}
1843	}	2432	}
…		…
1845	sub cf::object::player::enter_exit {	2434	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2435	my ($self, $exit) = @_;
1847		2436
1848	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1849		2438
		2439	if ($exit->slaying eq "/!") {
		2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
		2443	cf::sync_job { prepare_random_map $exit };
		2444	}
		2445
		2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2447	my $hp = $exit->stats->hp;
		2448	my $sp = $exit->stats->sp;
		2449
1850	$self->enter_link;	2450	$self->enter_link;
		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
1851		2455
1852	(async {	2456	(async {
1853	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2458	unless (eval {
1855	prepare_random_map $exit	2459	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2460
1861	1;	2461	1;
1862	}) {	2462	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2465	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2467
1868	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2469	$self->leave_link;
1870	}	2470	}
1871	})->prio (1);	2471	})->prio (1);
…		…
1884		2484
1885	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1887		2487
1888	utf8::encode $text;	2488	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2490	}
1891		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	my $extcmd = $self->extcmd;
		2564
		2565	if ($extcmd == 2) {
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2567	} elsif ($extcmd == 1) { # TODO: remove
		2568	push @msg, msgtype => "event_$type";
		2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2570	}
		2571	}
		2572
		2573	=item $client->ext_reply ($msgid, @msg)
		2574
		2575	Sends an ext reply to the client.
		2576
		2577	=cut
		2578
		2579	sub cf::client::ext_reply($$@) {
		2580	my ($self, $id, @msg) = @_;
		2581
		2582	if ($self->extcmd == 2) {
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2584	} elsif ($self->ns->extcmd == 1) {
		2585	#TODO: version 1, remove
		2586	unshift @msg, msgtype => "reply", msgid => $id;
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
1892		2590
1893	=item $success = $client->query ($flags, "text", \&cb)	2591	=item $success = $client->query ($flags, "text", \&cb)
1894		2592
1895	Queues a query to the client, calling the given callback with	2593	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2594	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2595	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2596
1899	Queries can fail, so check the return code. Or don't, as queries will become	2597	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2598	become reliable at some point in the future.
1901		2599
1902	=cut	2600	=cut
1903		2601
1904	sub cf::client::query {	2602	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2603	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2611	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2612	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2613
1916	$self->send_packet ($self->{query_queue}[0][0])	2614	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2615	if @{ $self->{query_queue} } == 1;
		2616
		2617	1
1918	}	2618	}
1919		2619
1920	cf::client->attach (	2620	cf::client->attach (
		2621	on_connect => sub {
		2622	my ($ns) = @_;
		2623
		2624	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2625	},
1921	on_reply => sub {	2626	on_reply => sub {
1922	my ($ns, $msg) = @_;	2627	my ($ns, $msg) = @_;
1923		2628
1924	# this weird shuffling is so that direct followup queries	2629	# this weird shuffling is so that direct followup queries
1925	# get handled first	2630	# get handled first
1926	my $queue = delete $ns->{query_queue}	2631	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2632	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2633
1929	(shift @$queue)->[1]->($msg);	2634	(shift @$queue)->[1]->($msg);
		2635	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2636
1931	push @{ $ns->{query_queue} }, @$queue;	2637	push @{ $ns->{query_queue} }, @$queue;
1932		2638
1933	if (@{ $ns->{query_queue} } == @$queue) {	2639	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2640	if (@$queue) {
…		…
1936	} else {	2642	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2643	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2644	}
1939	}	2645	}
1940	},	2646	},
		2647	on_exticmd => sub {
		2648	my ($ns, $buf) = @_;
		2649
		2650	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2651
		2652	if (ref $msg) {
		2653	my ($type, $reply, @payload) =
		2654	"ARRAY" eq ref $msg
		2655	? @$msg
		2656	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2657
		2658	my @reply;
		2659
		2660	if (my $cb = $EXTICMD{$type}) {
		2661	@reply = $cb->($ns, @payload);
		2662	}
		2663
		2664	$ns->ext_reply ($reply, @reply)
		2665	if $reply;
		2666
		2667	} else {
		2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2669	}
		2670
		2671	cf::override;
		2672	},
1941	);	2673	);
1942		2674
1943	=item $client->async (\&cb)	2675	=item $client->async (\&cb)
1944		2676
1945	Create a new coroutine, running the specified callback. The coroutine will	2677	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2718	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2719	our $safe_hole = new Safe::Hole;
1988		2720
1989	$SIG{FPE} = 'IGNORE';	2721	$SIG{FPE} = 'IGNORE';
1990		2722
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2723	$safe->permit_only (Opcode::opset qw(
		2724	:base_core :base_mem :base_orig :base_math
		2725	grepstart grepwhile mapstart mapwhile
		2726	sort time
		2727	));
1992		2728
1993	# here we export the classes and methods available to script code	2729	# here we export the classes and methods available to script code
1994		2730
1995	=pod	2731	=pod
1996		2732
1997	The following fucntions and emthods are available within a safe environment:	2733	The following functions and methods are available within a safe environment:
1998		2734
1999	cf::object contr pay_amount pay_player map	2735	cf::object
		2736	contr pay_amount pay_player map x y force_find force_add
		2737	insert remove name archname title slaying race decrease_ob_nr
		2738
2000	cf::object::player player	2739	cf::object::player
2001	cf::player peaceful	2740	player
2002	cf::map trigger	2741
		2742	cf::player
		2743	peaceful
		2744
		2745	cf::map
		2746	trigger
2003		2747
2004	=cut	2748	=cut
2005		2749
2006	for (	2750	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2752	insert remove inv name archname title slaying race
		2753	decrease_ob_nr)],
2008	["cf::object::player" => qw(player)],	2754	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2755	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2756	["cf::map" => qw(trigger)],
2011	) {	2757	) {
2012	no strict 'refs';	2758	no strict 'refs';
…		…
2083	=back	2829	=back
2084		2830
2085	=cut	2831	=cut
2086		2832
2087	#############################################################################	2833	#############################################################################
		2834	# the server's init and main functions
2088		2835
2089	=head2 EXTENSION DATABASE SUPPORT	2836	sub load_facedata($) {
		2837	my ($path) = @_;
2090		2838
2091	Crossfire maintains a very simple database for extension use. It can	2839	my $enc = JSON::XS->new->utf8->canonical;
2092	currently store anything that can be serialised using Storable, which
2093	excludes objects.
2094		2840
2095	The parameter C<$family> should best start with the name of the extension	2841	warn "loading facedata from $path\n";
2096	using it, it should be unique.
2097		2842
2098	=over 4	2843	my $facedata;
		2844	0 < aio_load $path, $facedata
		2845	or die "$path: $!";
2099		2846
2100	=item $hashref = cf::db_get $family	2847	$facedata = Coro::Storable::thaw $facedata;
2101		2848
2102	Return a hashref for use by the extension C<$family>, which can be	2849	$facedata->{version} == 2
2103	modified. After modifications, you have to call C<cf::db_dirty> or	2850	or cf::cleanup "$path: version mismatch, cannot proceed.";
2104	C<cf::db_sync>.
2105		2851
2106	=item $value = cf::db_get $family => $key	2852	# patch in the exptable
2107		2853	$facedata->{resource}{"res/exp_table"} = {
2108	Returns a single value from the database	2854	type => FT_RSRC,
2109		2855	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	=item cf::db_put $family => $hashref
2111
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	2856	};
		2857	cf::cede_to_tick;
2161		2858
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	2859	{
		2860	my $faces = $facedata->{faceinfo};
2166		2861
2167	sub db_get($;$) {	2862	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}	2864	cf::face::set_visibility $idx, $info->{visibility};
2170	: ($DB->{$_[0]} ||= { })	2865	cf::face::set_magicmap $idx, $info->{magicmap};
2171	}	2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172		2868
2173	sub db_put($$;$) {	2869	cf::cede_to_tick;
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	2870	}
2187	);
2188	}
2189		2871
2190	#############################################################################	2872	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	2873	next unless $info->{smooth};
		2874	my $idx = cf::face::find $face
		2875	or next;
		2876	if (my $smooth = cf::face::find $info->{smooth}) {
		2877	cf::face::set_smooth $idx, $smooth;
		2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2879	} else {
		2880	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2881	}
		2882
		2883	cf::cede_to_tick;
		2884	}
		2885	}
		2886
		2887	{
		2888	my $anims = $facedata->{animinfo};
		2889
		2890	while (my ($anim, $info) = each %$anims) {
		2891	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2892	cf::cede_to_tick;
		2893	}
		2894
		2895	cf::anim::invalidate_all; # d'oh
		2896	}
		2897
		2898	{
		2899	# TODO: for gcfclient pleasure, we should give resources
		2900	# that gcfclient doesn't grok a >10000 face index.
		2901	my $res = $facedata->{resource};
		2902
		2903	my $soundconf = delete $res->{"res/sound.conf"};
		2904
		2905	while (my ($name, $info) = each %$res) {
		2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2907	my $data;
		2908
		2909	if ($info->{type} & 1) {
		2910	# prepend meta info
		2911
		2912	my $meta = $enc->encode ({
		2913	name => $name,
		2914	%{ $info->{meta} || {} },
		2915	});
		2916
		2917	$data = pack "(w/a*)*", $meta, $info->{data};
		2918	} else {
		2919	$data = $info->{data};
		2920	}
		2921
		2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2923	cf::face::set_type $idx, $info->{type};
		2924
		2925	cf::cede_to_tick;
		2926	}
		2927
		2928	if ($soundconf) {
		2929	$soundconf = $enc->decode (delete $soundconf->{data});
		2930
		2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2932	my $sound = $soundconf->{compat}[$_]
		2933	or next;
		2934
		2935	my $face = cf::face::find "sound/$sound->[1]";
		2936	cf::sound::set $sound->[0] => $face;
		2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2938	}
		2939
		2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2941	my $face = cf::face::find "sound/$v";
		2942	cf::sound::set $k => $face;
		2943	}
		2944	}
		2945	}
		2946
		2947	1
		2948	}
		2949
		2950	register_exticmd fx_want => sub {
		2951	my ($ns, $want) = @_;
		2952
		2953	while (my ($k, $v) = each %$want) {
		2954	$ns->fx_want ($k, $v);
		2955	}
		2956	};
		2957
		2958	sub reload_regions {
		2959	load_resource_file "$MAPDIR/regions"
		2960	or die "unable to load regions file\n";
		2961
		2962	for (cf::region::list) {
		2963	$_->{match} = qr/$_->{match}/
		2964	if exists $_->{match};
		2965	}
		2966	}
		2967
		2968	sub reload_facedata {
		2969	load_facedata "$DATADIR/facedata"
		2970	or die "unable to load facedata\n";
		2971	}
		2972
		2973	sub reload_archetypes {
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	#d# NEED to laod twice to resolve forward references
		2977	# this really needs to be done in an extra post-pass
		2978	# (which needs to be synchronous, so solve it differently)
		2979	load_resource_file "$DATADIR/archetypes"
		2980	or die "unable to load archetypes\n";
		2981	}
		2982
		2983	sub reload_treasures {
		2984	load_resource_file "$DATADIR/treasures"
		2985	or die "unable to load treasurelists\n";
		2986	}
		2987
		2988	sub reload_resources {
		2989	warn "reloading resource files...\n";
		2990
		2991	reload_regions;
		2992	reload_facedata;
		2993	#reload_archetypes;#d#
		2994	reload_archetypes;
		2995	reload_treasures;
		2996
		2997	warn "finished reloading resource files\n";
		2998	}
		2999
		3000	sub init {
		3001	reload_resources;
		3002	}
2192		3003
2193	sub cfg_load {	3004	sub cfg_load {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3005	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3006	or return;
2196		3007
2197	local $/;	3008	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3009	*CFG = YAML::Syck::Load <$fh>;
2199		3010
…		…
2213		3024
2214	sub main {	3025	sub main {
2215	# we must not ever block the main coroutine	3026	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3027	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3028	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3029	(async {
2218	async { Event::one_event };	3030	Event::one_event;
		3031	})->prio (Coro::PRIO_MAX);
2219	};	3032	};
2220		3033
2221	cfg_load;	3034	cfg_load;
2222	db_load;	3035	db_init;
2223	load_extensions;	3036	load_extensions;
		3037
		3038	$TICK_WATCHER->start;
2224	Event::loop;	3039	Event::loop;
2225	}	3040	}
2226		3041
2227	#############################################################################	3042	#############################################################################
2228	# initialisation and cleanup	3043	# initialisation and cleanup
2229		3044
2230	# install some emergency cleanup handlers	3045	# install some emergency cleanup handlers
2231	BEGIN {	3046	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3047	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3048	Event->signal (
		3049	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3050	data => WF_AUTOCANCEL,
2235	signal => $signal,	3051	signal => $signal,
		3052	prio => 0,
2236	cb => sub {	3053	cb => sub {
2237	cf::cleanup "SIG$signal";	3054	cf::cleanup "SIG$signal";
2238	},	3055	},
2239	);	3056	);
2240	}	3057	}
		3058	}
		3059
		3060	sub write_runtime {
		3061	my $runtime = "$LOCALDIR/runtime";
		3062
		3063	# first touch the runtime file to show we are still running:
		3064	# the fsync below can take a very very long time.
		3065
		3066	IO::AIO::aio_utime $runtime, undef, undef;
		3067
		3068	my $guard = cf::lock_acquire "write_runtime";
		3069
		3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3071	or return;
		3072
		3073	my $value = $cf::RUNTIME + 90 + 10;
		3074	# 10 is the runtime save interval, for a monotonic clock
		3075	# 60 allows for the watchdog to kill the server.
		3076
		3077	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3078	and return;
		3079
		3080	# always fsync - this file is important
		3081	aio_fsync $fh
		3082	and return;
		3083
		3084	# touch it again to show we are up-to-date
		3085	aio_utime $fh, undef, undef;
		3086
		3087	close $fh
		3088	or return;
		3089
		3090	aio_rename "$runtime~", $runtime
		3091	and return;
		3092
		3093	warn "runtime file written.\n";
		3094
		3095	1
2241	}	3096	}
2242		3097
2243	sub emergency_save() {	3098	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3099	my $freeze_guard = cf::freeze_mainloop;
2245		3100
…		…
2262	my $map = $cf::MAP{$path} or next;	3117	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3118	$map->valid or next;
2264	$map->save;	3119	$map->save;
2265	}	3120	}
2266	warn "end emergency map save\n";	3121	warn "end emergency map save\n";
		3122
		3123	warn "begin emergency database checkpoint\n";
		3124	BDB::db_env_txn_checkpoint $DB_ENV;
		3125	warn "end emergency database checkpoint\n";
2267	};	3126	};
2268		3127
2269	warn "leave emergency perl save\n";	3128	warn "leave emergency perl save\n";
2270	}	3129	}
2271		3130
		3131	sub post_cleanup {
		3132	my ($make_core) = @_;
		3133
		3134	warn Carp::longmess "post_cleanup backtrace"
		3135	if $make_core;
		3136	}
		3137
2272	sub reload() {	3138	sub do_reload_perl() {
2273	# can/must only be called in main	3139	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3140	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3141	warn "can only reload from main coroutine";
2276	return;	3142	return;
2277	}	3143	}
2278		3144
2279	warn "reloading...";	3145	warn "reloading...";
2280		3146
2281	warn "freezing server";	3147	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3148
		3149	cf::sync_job {
		3150	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3151	cf::emergency_save;
		3152	cf::write_runtime; # external watchdog should not bark
2284		3153
2285	warn "sync database to disk";	3154	warn "syncing database to disk";
2286	cf::db_sync;	3155	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3156
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3157	# if anything goes wrong in here, we should simply crash as we already saved
2291		3158
2292	warn "cancel all watchers";	3159	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3160	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3161	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3162	}
2296		3163
		3164	warn "flushing outstanding aio requests";
		3165	for (;;) {
		3166	BDB::flush;
		3167	IO::AIO::flush;
		3168	Coro::cede;
		3169	last unless IO::AIO::nreqs || BDB::nreqs;
		3170	warn "iterate...";
		3171	}
		3172
		3173	++$RELOAD;
		3174
2297	warn "cancel all extension coros";	3175	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3176	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3177	%EXT_CORO = ();
2300		3178
2301	warn "remove commands";	3179	warn "removing commands";
2302	%COMMAND = ();	3180	%COMMAND = ();
2303		3181
2304	warn "remove ext commands";	3182	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3183	%EXTCMD = ();
		3184	%EXTICMD = ();
2306		3185
2307	warn "unload/nuke all extensions";	3186	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3187	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3188	warn "... unloading $pkg";
2310		3189
2311	if (my $cb = $pkg->can ("unload")) {	3190	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3191	eval {
…		…
2317		3196
2318	warn "... nuking $pkg";	3197	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3198	Symbol::delete_package $pkg;
2320	}	3199	}
2321		3200
2322	warn "unload all perl modules loaded from $LIBDIR";	3201	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3202	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3203	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3204
2326	warn "removing <$k>";	3205	warn "... unloading $k";
2327	delete $INC{$k};	3206	delete $INC{$k};
2328		3207
2329	$k =~ s/\.pm$//;	3208	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3209	$k =~ s/\//::/g;
2331		3210
…		…
2334	}	3213	}
2335		3214
2336	Symbol::delete_package $k;	3215	Symbol::delete_package $k;
2337	}	3216	}
2338		3217
2339	warn "get rid of safe::, as good as possible";	3218	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3219	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3220	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3221
2343	warn "unload cf.pm \"a bit\"";	3222	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3223	delete $INC{"cf.pm"};
		3224	delete $INC{"cf/pod.pm"};
2345		3225
2346	# don't, removes xs symbols, too,	3226	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3227	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3228	#Symbol::delete_package __PACKAGE__;
2349		3229
		3230	warn "unload completed, starting to reload now";
		3231
2350	warn "reloading cf.pm";	3232	warn "reloading cf.pm";
2351	require cf;	3233	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3234	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3235
2354	warn "load config and database again";	3236	warn "loading config and database again";
2355	cf::cfg_load;	3237	cf::cfg_load;
2356	cf::db_load;
2357		3238
2358	warn "load extensions";	3239	warn "loading extensions";
2359	cf::load_extensions;	3240	cf::load_extensions;
2360		3241
2361	warn "reattach attachments to objects/players";	3242	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3243	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3244	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3245	reattach $_ for values %MAP;
2365	};	3246	warn "reattaching attachments to players";
		3247	reattach $_ for values %PLAYER;
2366		3248
2367	if ($@) {	3249	warn "leaving sync_job";
		3250
		3251	1
		3252	} or do {
2368	warn $@;	3253	warn $@;
2369	warn "error while reloading, exiting.";	3254	warn "error while reloading, exiting.";
2370	exit 1;	3255	exit 1;
2371	}	3256	};
2372		3257
2373	warn "reloaded";	3258	warn "reloaded";
2374	};	3259	};
2375		3260
		3261	our $RELOAD_WATCHER; # used only during reload
		3262
		3263	sub reload_perl() {
		3264	# doing reload synchronously and two reloads happen back-to-back,
		3265	# coro crashes during coro_state_free->destroy here.
		3266
		3267	$RELOAD_WATCHER ||= Event->timer (
		3268	reentrant => 0,
		3269	after => 0,
		3270	data => WF_AUTOCANCEL,
		3271	cb => sub {
		3272	do_reload_perl;
		3273	undef $RELOAD_WATCHER;
		3274	},
		3275	);
		3276	}
		3277
2376	register_command "reload" => sub {	3278	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3279	my ($who, $arg) = @_;
2378		3280
2379	if ($who->flag (FLAG_WIZ)) {	3281	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3282	$who->message ("reloading server.");
		3283	async { reload_perl };
2383	}	3284	}
2384	};	3285	};
2385		3286
2386	unshift @INC, $LIBDIR;	3287	unshift @INC, $LIBDIR;
2387		3288
		3289	my $bug_warning = 0;
		3290
		3291	our @WAIT_FOR_TICK;
		3292	our @WAIT_FOR_TICK_BEGIN;
		3293
		3294	sub wait_for_tick {
		3295	return unless $TICK_WATCHER->is_active;
		3296	return if $Coro::current == $Coro::main;
		3297
		3298	my $signal = new Coro::Signal;
		3299	push @WAIT_FOR_TICK, $signal;
		3300	$signal->wait;
		3301	}
		3302
		3303	sub wait_for_tick_begin {
		3304	return unless $TICK_WATCHER->is_active;
		3305	return if $Coro::current == $Coro::main;
		3306
		3307	my $signal = new Coro::Signal;
		3308	push @WAIT_FOR_TICK_BEGIN, $signal;
		3309	$signal->wait;
		3310	}
		3311
		3312	my $min = 1e6;#d#
		3313	my $avg = 10;
2388	$TICK_WATCHER = Event->timer (	3314	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3315	reentrant => 0,
		3316	parked => 1,
2390	prio => 0,	3317	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3318	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3319	data => WF_AUTOCANCEL,
2393	cb => sub {	3320	cb => sub {
		3321	if ($Coro::current != $Coro::main) {
		3322	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3323	unless ++$bug_warning > 10;
		3324	return;
		3325	}
		3326
2394	$NOW = Event::time;	3327	$NOW = $tick_start = Event::time;
2395		3328
2396	cf::server_tick; # one server iteration	3329	cf::server_tick; # one server iteration
		3330
		3331	0 && sync_job {#d#
		3332	for(1..10) {
		3333	my $t = Event::time;
		3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3335	or die;
		3336
		3337	$map->width (50);
		3338	$map->height (50);
		3339	$map->alloc;
		3340	$map->_load_objects ("/tmp/x.map", 1);
		3341	my $t = Event::time - $t;
		3342
		3343	#next unless $t < 0.0013;#d#
		3344	if ($t < $min) {
		3345	$min = $t;
		3346	}
		3347	$avg = $avg * 0.99 + $t * 0.01;
		3348	}
		3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3350	exit 0;
		3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3352	};
		3353
2397	$RUNTIME += $TICK;	3354	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3355	$NEXT_TICK += $TICK;
2399		3356
2400	$WAIT_FOR_TICK->broadcast;	3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3358	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3359	Coro::async_pool {
		3360	write_runtime
		3361	or warn "ERROR: unable to write runtime file: $!";
		3362	};
		3363	}
		3364
		3365	# my $AFTER = Event::time;
		3366	# warn $AFTER - $NOW;#d#
		3367
		3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3369	$sig->send;
		3370	}
		3371	while (my $sig = shift @WAIT_FOR_TICK) {
		3372	$sig->send;
		3373	}
		3374
		3375	$NOW = Event::time;
2402		3376
2403	# if we are delayed by four ticks or more, skip them all	3377	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3379
2406	$TICK_WATCHER->at ($NEXT_TICK);	3380	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3381	$TICK_WATCHER->start;
		3382
		3383	$LOAD = ($NOW - $tick_start) / $TICK;
		3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3385
		3386	_post_tick;
		3387
		3388
2408	},	3389	},
2409	);	3390	);
2410		3391
		3392	{
		3393	BDB::max_poll_time $TICK * 0.1;
		3394	$BDB_POLL_WATCHER = Event->io (
		3395	reentrant => 0,
		3396	fd => BDB::poll_fileno,
		3397	poll => 'r',
		3398	prio => 0,
		3399	data => WF_AUTOCANCEL,
		3400	cb => \&BDB::poll_cb,
		3401	);
		3402	BDB::min_parallel 8;
		3403
		3404	BDB::set_sync_prepare {
		3405	my $status;
		3406	my $current = $Coro::current;
		3407	(
		3408	sub {
		3409	$status = $!;
		3410	$current->ready; undef $current;
		3411	},
		3412	sub {
		3413	Coro::schedule while defined $current;
		3414	$! = $status;
		3415	},
		3416	)
		3417	};
		3418
		3419	unless ($DB_ENV) {
		3420	$DB_ENV = BDB::db_env_create;
		3421
		3422	cf::sync_job {
		3423	eval {
		3424	BDB::db_env_open
		3425	$DB_ENV,
		3426	$BDBDIR,
		3427	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3429	0666;
		3430
		3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3432
		3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3434	$DB_ENV->set_lk_detect;
		3435	};
		3436
		3437	cf::cleanup "db_env_open(db): $@" if $@;
		3438	};
		3439	}
		3440	}
		3441
		3442	{
		3443	IO::AIO::min_parallel 8;
		3444
		3445	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3446	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3447	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3448	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3449	data => WF_AUTOCANCEL,
2423	after => 0,	3450	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3451	poll => 'r',
2425	cb => sub {	3452	prio => 6,
2426	(Coro::unblock_sub {	3453	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3454	);
2428	or warn "ERROR: unable to write runtime file: $!";	3455	}
		3456
		3457	my $_log_backtrace;
		3458
		3459	sub _log_backtrace {
		3460	my ($msg, @addr) = @_;
		3461
		3462	$msg =~ s/\n//;
		3463
		3464	# limit the # of concurrent backtraces
		3465	if ($_log_backtrace < 2) {
		3466	++$_log_backtrace;
		3467	async {
		3468	my @bt = fork_call {
		3469	@addr = map { sprintf "%x", $_ } @addr;
		3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3472	or die "addr2line: $!";
		3473
		3474	my @funcs;
		3475	my @res = <$fh>;
		3476	chomp for @res;
		3477	while (@res) {
		3478	my ($func, $line) = splice @res, 0, 2, ();
		3479	push @funcs, "[$func] $line";
		3480	}
		3481
		3482	@funcs
		3483	};
		3484
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] $_\n" for @bt;
		3487	--$_log_backtrace;
2429	})->();	3488	};
		3489	} else {
		3490	LOG llevInfo, "[ABT] $msg\n";
		3491	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3492	}
2431	);	3493	}
		3494
		3495	# load additional modules
		3496	use cf::pod;
2432		3497
2433	END { cf::emergency_save }	3498	END { cf::emergency_save }
2434		3499
2435	1	3500	1
2436		3501

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