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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.176 by root, Sun Jan 14 22:14:35 2007 UTC vs.
Revision 1.328 by root, Wed Aug 8 06:24:30 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.61 ();
		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;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$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		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	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		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	132	every server tick.
102		133
103	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	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	169	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	170	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.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
127		177
128	=back	178	=back
129		179
130	=cut	180	=cut
131		181
132	BEGIN {	182	BEGIN {
133	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	184	my $msg = join "", @_;
135	utf8::encode $msg;
136		185
137	$msg .= "\n"	186	$msg .= "\n"
138	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
139		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
143		195
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		203
151	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	205	# within the Safe compartment.
153	for my $pkg (qw(	206	for my $pkg (qw(
154	cf::global cf::attachable	207	cf::global cf::attachable
…		…
162	}	215	}
163		216
164	$Event::DIED = sub {	217	$Event::DIED = sub {
165	warn "error in event callback: @_";	218	warn "error in event callback: @_";
166	};	219	};
		220
		221	#############################################################################
167		222
168	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
169		224
170	=over 4	225	=over 4
171		226
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	246	$d
192	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
193	}	248	}
194		249
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
198		251
199	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
200		253
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
209		255
210	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
211		257
212	=cut	258	=cut
213		259
214	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
216	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
218		264
219	=item cf::lock_wait $string	265	=item cf::lock_wait $string
220		266
221	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
222		268
…		…
228	returned.	274	returned.
229		275
230	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
232		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
233	=cut	283	=cut
234		284
235	our %LOCK;	285	our %LOCK;
236		286
237	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
258	}	308	}
259	}	309	}
260		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
261	sub freeze_mainloop {	317	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
263		319
264	my $guard = Coro::guard {	320	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	322	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
270	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
271	}	381	}
272		382
273	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
274		384
275	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		390
281	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
282		392
283	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
284		394
285	The design of crossfire+ requires that the main coro ($Coro::main) is	395	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	396	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.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
288		399
289	If it must be done, put the blocking parts into C<sync_job>. This will run	400	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	401	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	402	server will be frozen during this time, so the block should either finish
292	fast or be very important.	403	fast or be very important.
…		…
295		406
296	sub sync_job(&) {	407	sub sync_job(&) {
297	my ($job) = @_;	408	my ($job) = @_;
298		409
299	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
300	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
302		415
303	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
315		428
316	while ($busy) {	429	while ($busy) {
317	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
318	}	431	}
319		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
320	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
321	} else {	441	} else {
322	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
323		443
324	$job->()	444	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
344		464
345	$coro	465	$coro
346	}	466	}
347		467
348	sub write_runtime {	468	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		469
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
352	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
353		474
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	475	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		476
358	aio_fsync $fh	477	sub _store_scalar {
359	and return;	478	open my $fh, ">", \my $buf
360		479	or die "fork_call: cannot open fh-to-buf in child : $!";
		480	Storable::store_fd $_[0], $fh;
361	close $fh	481	close $fh;
362	or return;
363		482
364	aio_rename "$runtime~", $runtime	483	$buf
365	and return;	484	}
366		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
367	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	655	}
369		656
370	=back	657	=back
371		658
372	=cut	659	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
381		668
382	In the following description, CLASS can be any of C<global>, C<object>	669	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	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	671	Crossfire TRT).
385		672
386	=over 4	673	=over 4
387		674
388	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
389		676
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
553		840
554	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		845
559	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	847	my $pkg = shift @arg;
561		848
562	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
592	}	879	}
593		880
594	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
595	} else {	882	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	884	}
598		885
599	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
600	}	887	}
601		888
…		…
603	if (ref $_[0]) {	890	if (ref $_[0]) {
604	_object_attach @_;	891	_object_attach @_;
605	} else {	892	} else {
606	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
607	}	894	}
		895	_recalc_want;
608	};	896	};
609		897
610	# all those should be optimised	898	# all those should be optimised
611	sub cf::attachable::detach {	899	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
616	reattach ($obj);	904	reattach ($obj);
617	} else {	905	} else {
618	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
619	}	907	}
		908	_recalc_want;
620	};	909	};
621		910
622	sub cf::attachable::attached {	911	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
624		913
…		…
639	";	928	";
640	die if $@;	929	die if $@;
641	}	930	}
642		931
643	our $override;	932	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		934
646	sub override {	935	sub override {
647	$override = 1;	936	$override = 1;
648	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
649	}	938	}
650		939
651	sub do_invoke {	940	sub do_invoke {
652	my $event = shift;	941	my $event = shift;
653	my $callbacks = shift;	942	my $callbacks = shift;
654		943
655	@invoke_results = ();	944	@INVOKE_RESULTS = ();
656		945
657	local $override;	946	local $override;
658		947
659	for (@$callbacks) {	948	for (@$callbacks) {
660	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
677		966
678	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
679		968
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		972
684	=back	973	=back
685		974
686	=cut	975	=cut
687		976
688	#############################################################################	977	#############################################################################
689	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
690		990
691	sub reattach {	991	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	993	my ($obj) = @_;
694		994
…		…
747	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
748		1048
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1053	close $fh;
754		1054
755	if (@$objs) {	1055	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1061	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
763	}	1063	}
764	} else {	1064	} else {
765	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
797	or return;	1097	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1099	}
800		1100
801	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1103	return ($data, $av);
804	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
805		1111
806	#############################################################################	1112	#############################################################################
807	# command handling &c	1113	# command handling &c
808		1114
809	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1129	}
824		1130
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1132
827	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
828		1138
829	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
830	called.	1140	called.
831		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
832	=cut	1153	=cut
833		1154
834	sub register_extcmd {	1155	sub register_extcmd {
835	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
836		1157
837	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
838	}	1165	}
839		1166
840	cf::player->attach (	1167	cf::player->attach (
841	on_command => sub {	1168	on_command => sub {
842	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1178	cf::override;
852	},	1179	},
853	on_extcmd => sub {	1180	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
855		1182
856	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1184
858	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
861	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
862	}	1195	if $reply;
863	}	1196	}
864	} else {	1197	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1199	}
867		1200
868	cf::override;	1201	cf::override;
869	},	1202	},
870	);	1203	);
871		1204
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
907	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1210	next unless -r $path;
909	eval {	1211
910	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
911	1	1269	}
912	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
913	}	1275	};
914	}	1276	}
915		1277
916	#############################################################################	1278	#############################################################################
917		1279
		1280	=back
		1281
918	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
919		1283
920	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
921		1285
922	=cut	1286	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
935		1299
936	=cut	1300	=cut
937		1301
938	sub playerdir($) {	1302	sub playerdir($) {
939	cf::localdir	1303	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1305	}
945		1306
946	sub path($) {	1307	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1309
949	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
950	}	1311	}
951		1312
952	sub find_active($) {	1313	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
957		1318
958	sub exists($) {	1319	sub exists($) {
959	my ($login) = @_;	1320	my ($login) = @_;
960		1321
961	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
963	}	1324	}
964		1325
965	sub find($) {	1326	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1328	my $login = $_[0];
968		1329
969	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
970		1331
971	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
972	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
973	or return;	1341	or return;
974	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
975	}	1343	}
976	}	1344	}
…		…
1013		1381
1014	=cut	1382	=cut
1015		1383
1016	sub quit_character {	1384	sub quit_character {
1017	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1018		1388
1019	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1390	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1391
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1401	$pl->destroy;
		1402
		1403	my $prefix = qr<^~\Q$name\E/>;
		1404
		1405	# nuke player maps
		1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1407
1032	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
		1409	}
		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
1033	}	1423	}
1034		1424
1035	=item cf::player::list_logins	1425	=item cf::player::list_logins
1036		1426
1037	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1039		1429
1040	=cut	1430	=cut
1041		1431
1042	sub list_logins {	1432	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1434	or return [];
1045		1435
1046	my @logins;	1436	my @logins;
1047		1437
1048	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1065	=cut	1455	=cut
1066		1456
1067	sub maps($) {	1457	sub maps($) {
1068	my ($pl) = @_;	1458	my ($pl) = @_;
1069		1459
		1460	$pl = ref $pl ? $pl->ob->name : $pl;
		1461
1070	my $files = aio_readdir playerdir $pl	1462	my $files = aio_readdir playerdir $pl
1071	or return;	1463	or return;
1072		1464
1073	my @paths;	1465	my @paths;
1074		1466
1075	for (@$files) {	1467	for (@$files) {
1076	utf8::decode $_;	1468	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1469	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1470	next unless /^$PATH_SEP/o;
1079		1471
1080	s/\.map$//;	1472	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1473	}
1083		1474
1084	\@paths	1475	\@paths
1085	}	1476	}
1086		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1088		1529
1089	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1090		1531
1091	=cut	1532	=cut
1092		1533
1093	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1095		1536
1096	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1097		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1098	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1099	}	1544	}
1100		1545
1101	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1102		1586
1103	=back	1587	=back
1104
1105		1588
1106	=head3 cf::map	1589	=head3 cf::map
1107		1590
1108	=over 4	1591	=over 4
1109		1592
…		…
1121	our $MAX_RESET = 3600;	1604	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1605	our $DEFAULT_RESET = 3000;
1123		1606
1124	sub generate_random_map {	1607	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1608	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1609	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1610	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1622	)
1141	}	1623	}
1142		1624
		1625	=item cf::map->register ($regex, $prio)
		1626
		1627	Register a handler for the map path matching the given regex at the
		1628	givne priority (higher is better, built-in handlers have priority 0, the
		1629	default).
		1630
		1631	=cut
		1632
1143	sub register {	1633	sub register {
1144	my (undef, $regex) = @_;	1634	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1635	my $pkg = caller;
1146		1636
1147	no strict;	1637	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1638	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1639
1150	$EXT_MAP{$pkg} = qr<$regex>;	1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1641	}
1152		1642
1153	# also paths starting with '/'	1643	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1645
1156	sub thawer_merge {	1646	sub thawer_merge {
1157	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1158		1648
1159	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1160	local $self->{path};	1650	local $self->{path};
1161	local $self->{load_path};	1651	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1652
1165	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1166	}	1654	}
1167		1655
1168	sub normalise {	1656	sub normalise {
1169	my ($path, $base) = @_;	1657	my ($path, $base) = @_;
		1658
		1659	$path = "$path"; # make sure its a string
		1660
		1661	$path =~ s/\.map$//;
1170		1662
1171	# map plan:	1663	# map plan:
1172	#	1664	#
1173	# /! non-realised random map exit (special hack!)	1665	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1666	# {... are special paths that are not being touched
…		…
1202		1694
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1695	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1696
1205	$path = normalise $path, $base;	1697	$path = normalise $path, $base;
1206		1698
1207	for my $pkg (keys %EXT_MAP) {	1699	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1700	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1701	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1702	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1212	return $self;	1704	return $self;
1213	}	1705	}
1214	}	1706	}
1215		1707
1216	Carp::carp "unable to resolve path '$path'.";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1709	()
1218	}	1710	}
1219		1711
1220	sub init {	1712	sub init {
1221	my ($self) = @_;	1713	my ($self) = @_;
…		…
1236		1728
1237	# the original (read-only) location	1729	# the original (read-only) location
1238	sub load_path {	1730	sub load_path {
1239	my ($self) = @_;	1731	my ($self) = @_;
1240		1732
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1242	}	1734	}
1243		1735
1244	# the temporary/swap location	1736	# the temporary/swap location
1245	sub save_path {	1737	sub save_path {
1246	my ($self) = @_;	1738	my ($self) = @_;
1247		1739
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1250	}	1742	}
1251		1743
1252	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1253	sub uniq_path {	1745	sub uniq_path {
1254	my ($self) = @_;	1746	my ($self) = @_;
1255		1747
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1258	}	1750	}
1259		1751
1260	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1261	# all maps in C++...	1753	# all maps in C++...
1262	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1264		1756
1265	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1267	}	1759	}
1268		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
1269	sub unlink_save {	1769	sub unlink_save {
1270	my ($self) = @_;	1770	my ($self) = @_;
1271		1771
1272	utf8::encode (my $save = $self->save_path);	1772	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1776
1277	sub load_header_from($) {	1777	sub load_header_from($) {
1278	my ($self, $path) = @_;	1778	my ($self, $path) = @_;
1279		1779
1280	utf8::encode $path;	1780	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1781	#aio_open $path, O_RDONLY, 0
1282	or return;	1782	# or return;
1283		1783
1284	$self->_load_header ($path)	1784	$self->_load_header ($path)
1285	or return;	1785	or return;
1286		1786
1287	$self->{load_path} = $path;	1787	$self->{load_path} = $path;
1288		1788
1289	1	1789	1
1290	}	1790	}
1291		1791
1292	sub load_orig {	1792	sub load_header_orig {
1293	my ($self) = @_;	1793	my ($self) = @_;
1294		1794
1295	$self->load_header_from ($self->load_path)	1795	$self->load_header_from ($self->load_path)
1296	}	1796	}
1297		1797
1298	sub load_temp {	1798	sub load_header_temp {
1299	my ($self) = @_;	1799	my ($self) = @_;
1300		1800
1301	$self->load_header_from ($self->save_path)	1801	$self->load_header_from ($self->save_path)
		1802	}
		1803
		1804	sub prepare_temp {
		1805	my ($self) = @_;
		1806
		1807	$self->last_access ((delete $self->{last_access})
		1808	|| $cf::RUNTIME); #d#
		1809	# safety
		1810	$self->{instantiate_time} = $cf::RUNTIME
		1811	if $self->{instantiate_time} > $cf::RUNTIME;
		1812	}
		1813
		1814	sub prepare_orig {
		1815	my ($self) = @_;
		1816
		1817	$self->{load_original} = 1;
		1818	$self->{instantiate_time} = $cf::RUNTIME;
		1819	$self->last_access ($cf::RUNTIME);
		1820	$self->instantiate;
1302	}	1821	}
1303		1822
1304	sub load_header {	1823	sub load_header {
1305	my ($self) = @_;	1824	my ($self) = @_;
1306		1825
1307	if ($self->load_temp) {	1826	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1827	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1828	} else {
1314	$self->load_orig	1829	$self->load_header_orig
1315	or return;	1830	or return;
1316		1831	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1832	}
		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
1322		1839
1323	1	1840	1
1324	}	1841	}
1325		1842
1326	sub find;	1843	sub find;
…		…
1339	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1340		1857
1341	$map->load_header	1858	$map->load_header
1342	or return;	1859	or return;
1343		1860
1344	if ($map->should_reset) {	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1862	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1346	$map->reset;	1864	$map->reset;
1347	undef $guard;	1865	undef $guard;
1348	$map = find $path	1866	return find $path;
1349	or return;
1350	}	1867	}
1351		1868
1352	$cf::MAP{$path} = $map	1869	$cf::MAP{$path} = $map
1353	}	1870	}
1354	}	1871	}
		1872
		1873	sub pre_load { }
		1874	sub post_load { }
1355		1875
1356	sub load {	1876	sub load {
1357	my ($self) = @_;	1877	my ($self) = @_;
1358		1878
		1879	local $self->{deny_reset} = 1; # loading can take a long time
		1880
1359	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1361		1885
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1363		1887
1364	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1365		1889
1366	$self->alloc;	1890	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)
1368	or return;
1369		1891
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1892	$self->pre_load;
1371	if delete $self->{load_original};
1372
1373	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {
1376	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);
1378	}
1379	}
1380
1381	Coro::cede;
1382
1383	# now do the right thing for maps
1384	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;	1893	Coro::cede;
1391	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1392	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	1913	unless $self->difficulty;
1394	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1395	$self->activate;	1923	$self->activate;
1396	}	1924	}
1397		1925
		1926	$self->{last_save} = $cf::RUNTIME;
		1927	$self->last_access ($cf::RUNTIME);
		1928
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1929	$self->in_memory (cf::MAP_IN_MEMORY);
		1930	}
		1931
		1932	$self->post_load;
1399	}	1933	}
1400		1934
1401	sub customise_for {	1935	sub customise_for {
1402	my ($self, $ob) = @_;	1936	my ($self, $ob) = @_;
1403		1937
1404	return find "~" . $ob->name . "/" . $self->{path}	1938	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	1939	if $self->per_player;
		1940
		1941	# return find "?party/" . $ob->name . "/" . $self->{path}
		1942	# if $self->per_party;
1406		1943
1407	$self	1944	$self
1408	}	1945	}
1409		1946
1410	# find and load all maps in the 3x3 area around a map	1947	# find and load all maps in the 3x3 area around a map
…		…
1442		1979
1443	cf::sync_job { $map->load };	1980	cf::sync_job { $map->load };
1444	}	1981	}
1445		1982
1446	our %MAP_PREFETCH;	1983	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	1984	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		1985
1460	sub find_async {	1986	sub find_async {
1461	my ($path, $origin) = @_;	1987	my ($path, $origin) = @_;
1462		1988
1463	$path = normalise $path, $origin && $origin->{path};	1989	$path = normalise $path, $origin && $origin->{path};
1464		1990
1465	if (my $map = $cf::MAP{$path}) {	1991	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1992	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	1993	}
1468		1994
1469	$MAP_PREFETCH{$path} = 0;	1995	undef $MAP_PREFETCH{$path};
		1996	$MAP_PREFETCHER ||= cf::async {
		1997	while (%MAP_PREFETCH) {
		1998	for my $path (keys %MAP_PREFETCH) {
		1999	if (my $map = find $path) {
		2000	$map->load;
		2001	}
		2002
		2003	delete $MAP_PREFETCH{$path};
		2004	}
		2005	}
		2006	undef $MAP_PREFETCHER;
		2007	};
1470	$MAP_PREFETCHER->ready;	2008	$MAP_PREFETCHER->prio (6);
1471		2009
1472	()	2010	()
1473	}	2011	}
1474		2012
1475	sub save {	2013	sub save {
…		…
1520		2058
1521	sub reset_at {	2059	sub reset_at {
1522	my ($self) = @_;	2060	my ($self) = @_;
1523		2061
1524	# TODO: safety, remove and allow resettable per-player maps	2062	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2063	return 1e99 if $self->{deny_reset};
1527		2064
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2065	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2066	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2067
…		…
1541	my ($self) = @_;	2078	my ($self) = @_;
1542		2079
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2080	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2081
1545	return if $self->players;	2082	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2083
1548	warn "resetting map ", $self->path;#d#	2084	warn "resetting map ", $self->path;
		2085
		2086	$self->in_memory (cf::MAP_SWAPPED);
		2087
		2088	# need to save uniques path
		2089	unless ($self->{deny_save}) {
		2090	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2091
		2092	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2093	if $uniq;
		2094	}
1549		2095
1550	delete $cf::MAP{$self->path};	2096	delete $cf::MAP{$self->path};
1551		2097
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	$self->clear;	2098	$self->clear;
1554		2099
1555	$_->clear_links_to ($self) for values %cf::MAP;	2100	$_->clear_links_to ($self) for values %cf::MAP;
1556		2101
1557	$self->unlink_save;	2102	$self->unlink_save;
…		…
1576	$cf::MAP{$self->path} = $self;	2121	$cf::MAP{$self->path} = $self;
1577		2122
1578	$self->reset; # polite request, might not happen	2123	$self->reset; # polite request, might not happen
1579	}	2124	}
1580		2125
		2126	=item $maps = cf::map::tmp_maps
		2127
		2128	Returns an arrayref with all map paths of currently instantiated and saved
		2129	maps. May block.
		2130
		2131	=cut
		2132
		2133	sub tmp_maps() {
		2134	[
		2135	map {
		2136	utf8::decode $_;
		2137	/\.map$/
		2138	? normalise $_
		2139	: ()
		2140	} @{ aio_readdir $TMPDIR or [] }
		2141	]
		2142	}
		2143
		2144	=item $maps = cf::map::random_maps
		2145
		2146	Returns an arrayref with all map paths of currently instantiated and saved
		2147	random maps. May block.
		2148
		2149	=cut
		2150
		2151	sub random_maps() {
		2152	[
		2153	map {
		2154	utf8::decode $_;
		2155	/\.map$/
		2156	? normalise "?random/$_"
		2157	: ()
		2158	} @{ aio_readdir $RANDOMDIR or [] }
		2159	]
		2160	}
		2161
1581	=item cf::map::unique_maps	2162	=item cf::map::unique_maps
1582		2163
1583	Returns an arrayref of paths of all shared maps that have	2164	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2165	instantiated unique items. May block.
1585		2166
1586	=cut	2167	=cut
1587		2168
1588	sub unique_maps() {	2169	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2170	[
1590	or return;	2171	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2172	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2173	/\.map$/
1600	push @paths, $_;	2174	? normalise $_
		2175	: ()
		2176	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2177	]
1602
1603	\@paths
1604	}	2178	}
1605		2179
1606	package cf;	2180	package cf;
1607		2181
1608	=back	2182	=back
…		…
1654		2228
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2230
1657	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1659	} else {	2234	} else {
		2235	my $pl = $self->contr;
		2236
		2237	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2238	my $dialog = $pl->{npc_dialog};
		2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2240
		2241	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1662	}	2245	}
1663	}	2246	}
1664		2247
1665	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1666		2249
…		…
1699	=cut	2282	=cut
1700		2283
1701	sub link_map {	2284	sub link_map {
1702	unless ($LINK_MAP) {	2285	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2286	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2287	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2288	$LINK_MAP->load;
1706	}	2289	}
1707		2290
1708	$LINK_MAP	2291	$LINK_MAP
1709	}	2292	}
…		…
1714	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1715		2298
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2300
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1720		2303
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2305	}
1723		2306
1724	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1726		2311
1727	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1728		2313
1729	unless ($map) {	2314	unless ($map) {
1730	# restore original map position	2315	# restore original map position
…		…
1748	$map->load;	2333	$map->load;
1749	$map->load_diag;	2334	$map->load_diag;
1750		2335
1751	return unless $self->contr->active;	2336	return unless $self->contr->active;
1752	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1754	}	2341	}
1755		2342
1756	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2344
1760	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1764	};	2349	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2350
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1791		2354
1792	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2360
1795	$self->enter_link;	2361	$self->enter_link;
1796		2362
1797	(async {	2363	(async {
		2364	my $map = eval {
1798	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
1800		2369	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2370	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
1805		2373
		2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
		2380	}
		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1807	})->prio (1);	2388	})->prio (1);
1808	}	2389	}
1809		2390
1810	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1811		2392
…		…
1813		2394
1814	sub parse_random_map_params {	2395	sub parse_random_map_params {
1815	my ($spec) = @_;	2396	my ($spec) = @_;
1816		2397
1817	my $rmp = { # defaults	2398	my $rmp = { # defaults
1818	xsize => 10,	2399	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2400	ysize => (cf::rndm 15, 40),
		2401	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2402	#layout => string,
1820	};	2403	};
1821		2404
1822	for (split /\n/, $spec) {	2405	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2406	my ($k, $v) = split /\s+/, $_, 2;
1824		2407
…		…
1828	$rmp	2411	$rmp
1829	}	2412	}
1830		2413
1831	sub prepare_random_map {	2414	sub prepare_random_map {
1832	my ($exit) = @_;	2415	my ($exit) = @_;
		2416
		2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2418
1834	# all this does is basically replace the /! path by	2419	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2420	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2421	# that depends on the exit object
1837		2422
1838	my $rmp = parse_random_map_params $exit->msg;	2423	my $rmp = parse_random_map_params $exit->msg;
1839		2424
1840	if ($exit->map) {	2425	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2426	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2427	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2428	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2429	$rmp->{origin_y} = $exit->y;
1845	}	2430	}
1846		2431
1847	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1848		2433
1849	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
		2436	my $meta = "$RANDOMDIR/$md5.meta";
1851		2437
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
		2440	undef $fh;
		2441	aio_rename "$meta~", $meta;
1854		2442
1855	$exit->slaying ("?random/$md5");	2443	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	2444	$exit->msg (undef);
1857	}	2445	}
1858	}	2446	}
…		…
1860	sub cf::object::player::enter_exit {	2448	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2449	my ($self, $exit) = @_;
1862		2450
1863	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1864		2452
		2453	if ($exit->slaying eq "/!") {
		2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
		2457	cf::sync_job { prepare_random_map $exit };
		2458	}
		2459
		2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2461	my $hp = $exit->stats->hp;
		2462	my $sp = $exit->stats->sp;
		2463
1865	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1866		2469
1867	(async {	2470	(async {
1868	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	2472	unless (eval {
1870	prepare_random_map $exit	2473	$self->goto ($slaying, $hp, $sp);
1871	if $exit->slaying eq "/!";
1872
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875		2474
1876	1;	2475	1;
1877	}) {	2476	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1880	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2481
1883	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2483	$self->leave_link;
1885	}	2484	}
1886	})->prio (1);	2485	})->prio (1);
…		…
1899		2498
1900	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1902		2501
1903	utf8::encode $text;	2502	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2504	}
1906		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	sub cf::client::send_msg {
		2516	my ($self, $channel, $msg, $color, @extra) = @_;
		2517
		2518	$msg = $self->pl->expand_cfpod ($msg);
		2519
		2520	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2521
		2522	if (ref $channel) {
		2523	# send meta info to client, if not yet sent
		2524	unless (exists $self->{channel}{$channel->{id}}) {
		2525	$self->{channel}{$channel->{id}} = $channel;
		2526	$self->ext_msg (channel_info => $channel);
		2527	}
		2528
		2529	$channel = $channel->{id};
		2530	}
		2531
		2532	return unless @extra || length $msg;
		2533
		2534	if ($self->can_msg) {
		2535	# default colour, mask it out
		2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2537	if $color & cf::NDI_DEF;
		2538
		2539	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2541	} else {
		2542	if ($color >= 0) {
		2543	# replace some tags by gcfclient-compatible ones
		2544	for ($msg) {
		2545	1 while
		2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2551	}
		2552
		2553	$color &= cf::NDI_COLOR_MASK;
		2554
		2555	utf8::encode $msg;
		2556
		2557	if (0 && $msg =~ /\[/) {
		2558	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2559	} else {
		2560	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2561	$self->send_packet ("drawinfo $color $msg")
		2562	}
		2563	}
		2564	}
		2565	}
		2566
		2567	=item $client->ext_msg ($type, @msg)
		2568
		2569	Sends an ext event to the client.
		2570
		2571	=cut
		2572
		2573	sub cf::client::ext_msg($$@) {
		2574	my ($self, $type, @msg) = @_;
		2575
		2576	my $extcmd = $self->extcmd;
		2577
		2578	if ($extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2580	} elsif ($extcmd == 1) { # TODO: remove
		2581	push @msg, msgtype => "event_$type";
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2583	}
		2584	}
1907		2585
1908	=item $success = $client->query ($flags, "text", \&cb)	2586	=item $success = $client->query ($flags, "text", \&cb)
1909		2587
1910	Queues a query to the client, calling the given callback with	2588	Queues a query to the client, calling the given callback with
1911	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2589	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1912	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2590	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1913		2591
1914	Queries can fail, so check the return code. Or don't, as queries will become	2592	Queries can fail, so check the return code. Or don't, as queries will
1915	reliable at some point in the future.	2593	become reliable at some point in the future.
1916		2594
1917	=cut	2595	=cut
1918		2596
1919	sub cf::client::query {	2597	sub cf::client::query {
1920	my ($self, $flags, $text, $cb) = @_;	2598	my ($self, $flags, $text, $cb) = @_;
…		…
1928	utf8::encode $text;	2606	utf8::encode $text;
1929	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2607	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1930		2608
1931	$self->send_packet ($self->{query_queue}[0][0])	2609	$self->send_packet ($self->{query_queue}[0][0])
1932	if @{ $self->{query_queue} } == 1;	2610	if @{ $self->{query_queue} } == 1;
		2611
		2612	1
1933	}	2613	}
1934		2614
1935	cf::client->attach (	2615	cf::client->attach (
		2616	on_connect => sub {
		2617	my ($ns) = @_;
		2618
		2619	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2620	},
1936	on_reply => sub {	2621	on_reply => sub {
1937	my ($ns, $msg) = @_;	2622	my ($ns, $msg) = @_;
1938		2623
1939	# this weird shuffling is so that direct followup queries	2624	# this weird shuffling is so that direct followup queries
1940	# get handled first	2625	# get handled first
1941	my $queue = delete $ns->{query_queue}	2626	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2627	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2628
1944	(shift @$queue)->[1]->($msg);	2629	(shift @$queue)->[1]->($msg);
		2630	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2631
1946	push @{ $ns->{query_queue} }, @$queue;	2632	push @{ $ns->{query_queue} }, @$queue;
1947		2633
1948	if (@{ $ns->{query_queue} } == @$queue) {	2634	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2635	if (@$queue) {
…		…
1951	} else {	2637	} else {
1952	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2638	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1953	}	2639	}
1954	}	2640	}
1955	},	2641	},
		2642	on_exticmd => sub {
		2643	my ($ns, $buf) = @_;
		2644
		2645	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2646
		2647	if (ref $msg) {
		2648	my ($type, $reply, @payload) =
		2649	"ARRAY" eq ref $msg
		2650	? @$msg
		2651	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2652
		2653	if (my $cb = $EXTICMD{$type}) {
		2654	my @reply = $cb->($ns, @payload);
		2655
		2656	$ns->ext_reply ($reply, @reply)
		2657	if $reply;
		2658	}
		2659	} else {
		2660	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2661	}
		2662
		2663	cf::override;
		2664	},
1956	);	2665	);
1957		2666
1958	=item $client->async (\&cb)	2667	=item $client->async (\&cb)
1959		2668
1960	Create a new coroutine, running the specified callback. The coroutine will	2669	Create a new coroutine, running the specified callback. The coroutine will
…		…
2001	our $safe = new Safe "safe";	2710	our $safe = new Safe "safe";
2002	our $safe_hole = new Safe::Hole;	2711	our $safe_hole = new Safe::Hole;
2003		2712
2004	$SIG{FPE} = 'IGNORE';	2713	$SIG{FPE} = 'IGNORE';
2005		2714
2006	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2715	$safe->permit_only (Opcode::opset qw(
		2716	:base_core :base_mem :base_orig :base_math
		2717	grepstart grepwhile mapstart mapwhile
		2718	sort time
		2719	));
2007		2720
2008	# here we export the classes and methods available to script code	2721	# here we export the classes and methods available to script code
2009		2722
2010	=pod	2723	=pod
2011		2724
2012	The following fucntions and emthods are available within a safe environment:	2725	The following functions and methods are available within a safe environment:
2013		2726
2014	cf::object contr pay_amount pay_player map	2727	cf::object
		2728	contr pay_amount pay_player map x y force_find force_add
		2729	insert remove
		2730
2015	cf::object::player player	2731	cf::object::player
2016	cf::player peaceful	2732	player
2017	cf::map trigger	2733
		2734	cf::player
		2735	peaceful
		2736
		2737	cf::map
		2738	trigger
2018		2739
2019	=cut	2740	=cut
2020		2741
2021	for (	2742	for (
2022	["cf::object" => qw(contr pay_amount pay_player map)],	2743	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2744	insert remove inv)],
2023	["cf::object::player" => qw(player)],	2745	["cf::object::player" => qw(player)],
2024	["cf::player" => qw(peaceful)],	2746	["cf::player" => qw(peaceful)],
2025	["cf::map" => qw(trigger)],	2747	["cf::map" => qw(trigger)],
2026	) {	2748	) {
2027	no strict 'refs';	2749	no strict 'refs';
…		…
2098	=back	2820	=back
2099		2821
2100	=cut	2822	=cut
2101		2823
2102	#############################################################################	2824	#############################################################################
		2825	# the server's init and main functions
2103		2826
2104	=head2 EXTENSION DATABASE SUPPORT	2827	sub load_facedata($) {
		2828	my ($path) = @_;
2105		2829
2106	Crossfire maintains a very simple database for extension use. It can	2830	warn "loading facedata from $path\n";
2107	currently store anything that can be serialised using Storable, which
2108	excludes objects.
2109		2831
2110	The parameter C<$family> should best start with the name of the extension	2832	my $facedata;
2111	using it, it should be unique.	2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
2112		2835
2113	=over 4	2836	$facedata = Coro::Storable::thaw $facedata;
2114		2837
2115	=item $hashref = cf::db_get $family	2838	$facedata->{version} == 2
		2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
2116		2840
2117	Return a hashref for use by the extension C<$family>, which can be
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120
2121	=item $value = cf::db_get $family => $key
2122
2123	Returns a single value from the database
2124
2125	=item cf::db_put $family => $hashref
2126
2127	Stores the given family hashref into the database. Updates are delayed, if
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_put $family => $key => $value
2131
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142
2143	=cut
2144
2145	our $DB;
2146
2147	{
2148	my $path = cf::localdir . "/database.pst";
2149
2150	sub db_load() {
2151	$DB = stat $path ? Storable::retrieve $path : { };
2152	}	2841	{
		2842	my $faces = $facedata->{faceinfo};
2153		2843
2154	my $pid;	2844	while (my ($face, $info) = each %$faces) {
		2845	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2846	cf::face::set_visibility $idx, $info->{visibility};
		2847	cf::face::set_magicmap $idx, $info->{magicmap};
		2848	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2849	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2155		2850
2156	sub db_save() {	2851	cf::cede_to_tick;
2157	waitpid $pid, 0 if $pid;
2158	if (0 == ($pid = fork)) {
2159	$DB->{_meta}{version} = 1;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});
2176
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}
2181
2182	sub db_get($;$) {
2183	@_ >= 2
2184	? $DB->{$_[0]}{$_[1]}
2185	: ($DB->{$_[0]} ||= { })
2186	}
2187
2188	sub db_put($$;$) {
2189	if (@_ >= 3) {
2190	$DB->{$_[0]}{$_[1]} = $_[2];
2191	} else {
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196
2197	cf::global->attach (
2198	prio => 10000,
2199	on_cleanup => sub {
2200	db_sync;
2201	},	2852	}
2202	);
2203	}
2204		2853
2205	#############################################################################	2854	while (my ($face, $info) = each %$faces) {
2206	# the server's main()	2855	next unless $info->{smooth};
		2856	my $idx = cf::face::find $face
		2857	or next;
		2858	if (my $smooth = cf::face::find $info->{smooth}) {
		2859	cf::face::set_smooth $idx, $smooth;
		2860	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2861	} else {
		2862	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2863	}
		2864
		2865	cf::cede_to_tick;
		2866	}
		2867	}
		2868
		2869	{
		2870	my $anims = $facedata->{animinfo};
		2871
		2872	while (my ($anim, $info) = each %$anims) {
		2873	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2874	cf::cede_to_tick;
		2875	}
		2876
		2877	cf::anim::invalidate_all; # d'oh
		2878	}
		2879
		2880	{
		2881	# TODO: for gcfclient pleasure, we should give resources
		2882	# that gcfclient doesn't grok a >10000 face index.
		2883	my $res = $facedata->{resource};
		2884	my $enc = JSON::XS->new->utf8->canonical;
		2885
		2886	my $soundconf = delete $res->{"res/sound.conf"};
		2887
		2888	while (my ($name, $info) = each %$res) {
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2895
		2896	if ($info->{type} & 1) {
		2897	# prepend meta info
		2898
		2899	my $data = pack "(w/a*)*", $meta, $info->{data};
		2900	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2901
		2902	cf::face::set_data $idx, 0, $data, $chk;
		2903	} else {
		2904	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2905	}
		2906
		2907	cf::face::set_type $idx, $info->{type};
		2908
		2909	cf::cede_to_tick;
		2910	}
		2911
		2912	if ($soundconf) {
		2913	$soundconf = $enc->decode (delete $soundconf->{data});
		2914
		2915	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2916	my $sound = $soundconf->{compat}[$_]
		2917	or next;
		2918
		2919	my $face = cf::face::find "sound/$sound->[1]";
		2920	cf::sound::set $sound->[0] => $face;
		2921	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2922	}
		2923
		2924	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2925	my $face = cf::face::find "sound/$v";
		2926	cf::sound::set $k => $face;
		2927	}
		2928	}
		2929	}
		2930
		2931	1
		2932	}
		2933
		2934	register_exticmd fx_want => sub {
		2935	my ($ns, $want) = @_;
		2936
		2937	while (my ($k, $v) = each %$want) {
		2938	$ns->fx_want ($k, $v);
		2939	}
		2940	};
		2941
		2942	sub reload_regions {
		2943	load_resource_file "$MAPDIR/regions"
		2944	or die "unable to load regions file\n";
		2945
		2946	for (cf::region::list) {
		2947	$_->{match} = qr/$_->{match}/
		2948	if exists $_->{match};
		2949	}
		2950	}
		2951
		2952	sub reload_facedata {
		2953	load_facedata "$DATADIR/facedata"
		2954	or die "unable to load facedata\n";
		2955	}
		2956
		2957	sub reload_archetypes {
		2958	load_resource_file "$DATADIR/archetypes"
		2959	or die "unable to load archetypes\n";
		2960	#d# NEED to laod twice to resolve forward references
		2961	# this really needs to be done in an extra post-pass
		2962	# (which needs to be synchronous, so solve it differently)
		2963	load_resource_file "$DATADIR/archetypes"
		2964	or die "unable to load archetypes\n";
		2965	}
		2966
		2967	sub reload_treasures {
		2968	load_resource_file "$DATADIR/treasures"
		2969	or die "unable to load treasurelists\n";
		2970	}
		2971
		2972	sub reload_resources {
		2973	warn "reloading resource files...\n";
		2974
		2975	reload_regions;
		2976	reload_facedata;
		2977	#reload_archetypes;#d#
		2978	reload_archetypes;
		2979	reload_treasures;
		2980
		2981	warn "finished reloading resource files\n";
		2982	}
		2983
		2984	sub init {
		2985	reload_resources;
		2986	}
2207		2987
2208	sub cfg_load {	2988	sub cfg_load {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	2989	open my $fh, "<:utf8", "$CONFDIR/config"
2210	or return;	2990	or return;
2211		2991
2212	local $/;	2992	local $/;
2213	*CFG = YAML::Syck::Load <$fh>;	2993	*CFG = YAML::Syck::Load <$fh>;
2214		2994
…		…
2234	Event::one_event;	3014	Event::one_event;
2235	})->prio (Coro::PRIO_MAX);	3015	})->prio (Coro::PRIO_MAX);
2236	};	3016	};
2237		3017
2238	cfg_load;	3018	cfg_load;
2239	db_load;	3019	db_init;
2240	load_extensions;	3020	load_extensions;
		3021
		3022	$TICK_WATCHER->start;
2241	Event::loop;	3023	Event::loop;
2242	}	3024	}
2243		3025
2244	#############################################################################	3026	#############################################################################
2245	# initialisation and cleanup	3027	# initialisation and cleanup
2246		3028
2247	# install some emergency cleanup handlers	3029	# install some emergency cleanup handlers
2248	BEGIN {	3030	BEGIN {
2249	for my $signal (qw(INT HUP TERM)) {	3031	for my $signal (qw(INT HUP TERM)) {
2250	Event->signal (	3032	Event->signal (
		3033	reentrant => 0,
2251	data => WF_AUTOCANCEL,	3034	data => WF_AUTOCANCEL,
2252	signal => $signal,	3035	signal => $signal,
		3036	prio => 0,
2253	cb => sub {	3037	cb => sub {
2254	cf::cleanup "SIG$signal";	3038	cf::cleanup "SIG$signal";
2255	},	3039	},
2256	);	3040	);
2257	}	3041	}
		3042	}
		3043
		3044	sub write_runtime {
		3045	my $runtime = "$LOCALDIR/runtime";
		3046
		3047	# first touch the runtime file to show we are still running:
		3048	# the fsync below can take a very very long time.
		3049
		3050	IO::AIO::aio_utime $runtime, undef, undef;
		3051
		3052	my $guard = cf::lock_acquire "write_runtime";
		3053
		3054	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3055	or return;
		3056
		3057	my $value = $cf::RUNTIME + 90 + 10;
		3058	# 10 is the runtime save interval, for a monotonic clock
		3059	# 60 allows for the watchdog to kill the server.
		3060
		3061	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3062	and return;
		3063
		3064	# always fsync - this file is important
		3065	aio_fsync $fh
		3066	and return;
		3067
		3068	# touch it again to show we are up-to-date
		3069	aio_utime $fh, undef, undef;
		3070
		3071	close $fh
		3072	or return;
		3073
		3074	aio_rename "$runtime~", $runtime
		3075	and return;
		3076
		3077	warn "runtime file written.\n";
		3078
		3079	1
2258	}	3080	}
2259		3081
2260	sub emergency_save() {	3082	sub emergency_save() {
2261	my $freeze_guard = cf::freeze_mainloop;	3083	my $freeze_guard = cf::freeze_mainloop;
2262		3084
…		…
2279	my $map = $cf::MAP{$path} or next;	3101	my $map = $cf::MAP{$path} or next;
2280	$map->valid or next;	3102	$map->valid or next;
2281	$map->save;	3103	$map->save;
2282	}	3104	}
2283	warn "end emergency map save\n";	3105	warn "end emergency map save\n";
		3106
		3107	warn "begin emergency database checkpoint\n";
		3108	BDB::db_env_txn_checkpoint $DB_ENV;
		3109	warn "end emergency database checkpoint\n";
2284	};	3110	};
2285		3111
2286	warn "leave emergency perl save\n";	3112	warn "leave emergency perl save\n";
2287	}	3113	}
2288		3114
		3115	sub post_cleanup {
		3116	my ($make_core) = @_;
		3117
		3118	warn Carp::longmess "post_cleanup backtrace"
		3119	if $make_core;
		3120	}
		3121
2289	sub reload() {	3122	sub do_reload_perl() {
2290	# can/must only be called in main	3123	# can/must only be called in main
2291	if ($Coro::current != $Coro::main) {	3124	if ($Coro::current != $Coro::main) {
2292	warn "can only reload from main coroutine\n";	3125	warn "can only reload from main coroutine";
2293	return;	3126	return;
2294	}	3127	}
2295		3128
2296	warn "reloading...";	3129	warn "reloading...";
2297		3130
2298	warn "freezing server";	3131	warn "entering sync_job";
2299	my $guard = freeze_mainloop;	3132
		3133	cf::sync_job {
		3134	cf::write_runtime; # external watchdog should not bark
2300	cf::emergency_save;	3135	cf::emergency_save;
		3136	cf::write_runtime; # external watchdog should not bark
2301		3137
2302	warn "sync database to disk";	3138	warn "syncing database to disk";
2303	cf::db_sync;	3139	BDB::db_env_txn_checkpoint $DB_ENV;
2304	IO::AIO::flush;
2305		3140
2306	eval {
2307	# if anything goes wrong in here, we should simply crash as we already saved	3141	# if anything goes wrong in here, we should simply crash as we already saved
2308		3142
2309	warn "cancel all watchers";	3143	warn "cancelling all WF_AUTOCANCEL watchers";
2310	for (Event::all_watchers) {	3144	for (Event::all_watchers) {
2311	$_->cancel if $_->data & WF_AUTOCANCEL;	3145	$_->cancel if $_->data & WF_AUTOCANCEL;
2312	}	3146	}
2313		3147
		3148	warn "flushing outstanding aio requests";
		3149	for (;;) {
		3150	BDB::flush;
		3151	IO::AIO::flush;
		3152	Coro::cede;
		3153	last unless IO::AIO::nreqs || BDB::nreqs;
		3154	warn "iterate...";
		3155	}
		3156
		3157	++$RELOAD;
		3158
2314	warn "cancel all extension coros";	3159	warn "cancelling all extension coros";
2315	$_->cancel for values %EXT_CORO;	3160	$_->cancel for values %EXT_CORO;
2316	%EXT_CORO = ();	3161	%EXT_CORO = ();
2317		3162
2318	warn "remove commands";	3163	warn "removing commands";
2319	%COMMAND = ();	3164	%COMMAND = ();
2320		3165
2321	warn "remove ext commands";	3166	warn "removing ext/exti commands";
2322	%EXTCMD = ();	3167	%EXTCMD = ();
		3168	%EXTICMD = ();
2323		3169
2324	warn "unload/nuke all extensions";	3170	warn "unloading/nuking all extensions";
2325	for my $pkg (@EXTS) {	3171	for my $pkg (@EXTS) {
2326	warn "... unloading $pkg";	3172	warn "... unloading $pkg";
2327		3173
2328	if (my $cb = $pkg->can ("unload")) {	3174	if (my $cb = $pkg->can ("unload")) {
2329	eval {	3175	eval {
…		…
2334		3180
2335	warn "... nuking $pkg";	3181	warn "... nuking $pkg";
2336	Symbol::delete_package $pkg;	3182	Symbol::delete_package $pkg;
2337	}	3183	}
2338		3184
2339	warn "unload all perl modules loaded from $LIBDIR";	3185	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	3186	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3187	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		3188
2343	warn "removing <$k>";	3189	warn "... unloading $k";
2344	delete $INC{$k};	3190	delete $INC{$k};
2345		3191
2346	$k =~ s/\.pm$//;	3192	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	3193	$k =~ s/\//::/g;
2348		3194
…		…
2351	}	3197	}
2352		3198
2353	Symbol::delete_package $k;	3199	Symbol::delete_package $k;
2354	}	3200	}
2355		3201
2356	warn "get rid of safe::, as good as possible";	3202	warn "getting rid of safe::, as good as possible";
2357	Symbol::delete_package "safe::$_"	3203	Symbol::delete_package "safe::$_"
2358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3204	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2359		3205
2360	warn "unload cf.pm \"a bit\"";	3206	warn "unloading cf.pm \"a bit\"";
2361	delete $INC{"cf.pm"};	3207	delete $INC{"cf.pm"};
		3208	delete $INC{"cf/pod.pm"};
2362		3209
2363	# don't, removes xs symbols, too,	3210	# don't, removes xs symbols, too,
2364	# and global variables created in xs	3211	# and global variables created in xs
2365	#Symbol::delete_package __PACKAGE__;	3212	#Symbol::delete_package __PACKAGE__;
2366		3213
		3214	warn "unload completed, starting to reload now";
		3215
2367	warn "reloading cf.pm";	3216	warn "reloading cf.pm";
2368	require cf;	3217	require cf;
2369	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3218	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2370		3219
2371	warn "load config and database again";	3220	warn "loading config and database again";
2372	cf::cfg_load;	3221	cf::cfg_load;
2373	cf::db_load;
2374		3222
2375	warn "load extensions";	3223	warn "loading extensions";
2376	cf::load_extensions;	3224	cf::load_extensions;
2377		3225
2378	warn "reattach attachments to objects/players";	3226	warn "reattaching attachments to objects/players";
2379	_global_reattach;	3227	_global_reattach; # objects, sockets
2380	warn "reattach attachments to maps";	3228	warn "reattaching attachments to maps";
2381	reattach $_ for values %MAP;	3229	reattach $_ for values %MAP;
2382	};	3230	warn "reattaching attachments to players";
		3231	reattach $_ for values %PLAYER;
2383		3232
2384	if ($@) {	3233	warn "leaving sync_job";
		3234
		3235	1
		3236	} or do {
2385	warn $@;	3237	warn $@;
2386	warn "error while reloading, exiting.";	3238	warn "error while reloading, exiting.";
2387	exit 1;	3239	exit 1;
2388	}	3240	};
2389		3241
2390	warn "reloaded";	3242	warn "reloaded";
2391	};	3243	};
2392		3244
2393	our $RELOAD_WATCHER; # used only during reload	3245	our $RELOAD_WATCHER; # used only during reload
2394		3246
		3247	sub reload_perl() {
		3248	# doing reload synchronously and two reloads happen back-to-back,
		3249	# coro crashes during coro_state_free->destroy here.
		3250
		3251	$RELOAD_WATCHER ||= Event->timer (
		3252	reentrant => 0,
		3253	after => 0,
		3254	data => WF_AUTOCANCEL,
		3255	cb => sub {
		3256	do_reload_perl;
		3257	undef $RELOAD_WATCHER;
		3258	},
		3259	);
		3260	}
		3261
2395	register_command "reload" => sub {	3262	register_command "reload" => sub {
2396	my ($who, $arg) = @_;	3263	my ($who, $arg) = @_;
2397		3264
2398	if ($who->flag (FLAG_WIZ)) {	3265	if ($who->flag (FLAG_WIZ)) {
2399	$who->message ("reloading server.");	3266	$who->message ("reloading server.");
2400		3267	async { reload_perl };
2401	# doing reload synchronously and two reloads happen back-to-back,
2402	# coro crashes during coro_state_free->destroy here.
2403
2404	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2405	reload;
2406	undef $RELOAD_WATCHER;
2407	});
2408	}	3268	}
2409	};	3269	};
2410		3270
2411	unshift @INC, $LIBDIR;	3271	unshift @INC, $LIBDIR;
2412		3272
		3273	my $bug_warning = 0;
		3274
		3275	our @WAIT_FOR_TICK;
		3276	our @WAIT_FOR_TICK_BEGIN;
		3277
		3278	sub wait_for_tick {
		3279	return unless $TICK_WATCHER->is_active;
		3280	return if $Coro::current == $Coro::main;
		3281
		3282	my $signal = new Coro::Signal;
		3283	push @WAIT_FOR_TICK, $signal;
		3284	$signal->wait;
		3285	}
		3286
		3287	sub wait_for_tick_begin {
		3288	return unless $TICK_WATCHER->is_active;
		3289	return if $Coro::current == $Coro::main;
		3290
		3291	my $signal = new Coro::Signal;
		3292	push @WAIT_FOR_TICK_BEGIN, $signal;
		3293	$signal->wait;
		3294	}
		3295
		3296	my $min = 1e6;#d#
		3297	my $avg = 10;
2413	$TICK_WATCHER = Event->timer (	3298	$TICK_WATCHER = Event->timer (
2414	reentrant => 0,	3299	reentrant => 0,
		3300	parked => 1,
2415	prio => 0,	3301	prio => 0,
2416	at => $NEXT_TICK || $TICK,	3302	at => $NEXT_TICK || $TICK,
2417	data => WF_AUTOCANCEL,	3303	data => WF_AUTOCANCEL,
2418	cb => sub {	3304	cb => sub {
		3305	if ($Coro::current != $Coro::main) {
		3306	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3307	unless ++$bug_warning > 10;
		3308	return;
		3309	}
		3310
2419	$NOW = Event::time;	3311	$NOW = $tick_start = Event::time;
2420		3312
2421	cf::server_tick; # one server iteration	3313	cf::server_tick; # one server iteration
		3314
		3315	0 && sync_job {#d#
		3316	for(1..10) {
		3317	my $t = Event::time;
		3318	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3319	or die;
		3320
		3321	$map->width (50);
		3322	$map->height (50);
		3323	$map->alloc;
		3324	$map->_load_objects ("/tmp/x.map", 1);
		3325	my $t = Event::time - $t;
		3326
		3327	#next unless $t < 0.0013;#d#
		3328	if ($t < $min) {
		3329	$min = $t;
		3330	}
		3331	$avg = $avg * 0.99 + $t * 0.01;
		3332	}
		3333	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3334	exit 0;
		3335	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3336	};
		3337
2422	$RUNTIME += $TICK;	3338	$RUNTIME += $TICK;
2423	$NEXT_TICK += $TICK;	3339	$NEXT_TICK += $TICK;
2424		3340
2425	$WAIT_FOR_TICK->broadcast;	3341	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2426	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3342	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3343	Coro::async_pool {
		3344	write_runtime
		3345	or warn "ERROR: unable to write runtime file: $!";
		3346	};
		3347	}
		3348
		3349	# my $AFTER = Event::time;
		3350	# warn $AFTER - $NOW;#d#
		3351
		3352	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3353	$sig->send;
		3354	}
		3355	while (my $sig = shift @WAIT_FOR_TICK) {
		3356	$sig->send;
		3357	}
		3358
		3359	$NOW = Event::time;
2427		3360
2428	# if we are delayed by four ticks or more, skip them all	3361	# if we are delayed by four ticks or more, skip them all
2429	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3362	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2430		3363
2431	$TICK_WATCHER->at ($NEXT_TICK);	3364	$TICK_WATCHER->at ($NEXT_TICK);
2432	$TICK_WATCHER->start;	3365	$TICK_WATCHER->start;
		3366
		3367	$LOAD = ($NOW - $tick_start) / $TICK;
		3368	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3369
		3370	_post_tick;
		3371
		3372
2433	},	3373	},
2434	);	3374	);
2435		3375
		3376	{
		3377	BDB::max_poll_time $TICK * 0.1;
		3378	$BDB_POLL_WATCHER = Event->io (
		3379	reentrant => 0,
		3380	fd => BDB::poll_fileno,
		3381	poll => 'r',
		3382	prio => 0,
		3383	data => WF_AUTOCANCEL,
		3384	cb => \&BDB::poll_cb,
		3385	);
		3386	BDB::min_parallel 8;
		3387
		3388	BDB::set_sync_prepare {
		3389	my $status;
		3390	my $current = $Coro::current;
		3391	(
		3392	sub {
		3393	$status = $!;
		3394	$current->ready; undef $current;
		3395	},
		3396	sub {
		3397	Coro::schedule while defined $current;
		3398	$! = $status;
		3399	},
		3400	)
		3401	};
		3402
		3403	unless ($DB_ENV) {
		3404	$DB_ENV = BDB::db_env_create;
		3405
		3406	cf::sync_job {
		3407	eval {
		3408	BDB::db_env_open
		3409	$DB_ENV,
		3410	$BDBDIR,
		3411	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3412	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3413	0666;
		3414
		3415	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3416
		3417	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3418	$DB_ENV->set_lk_detect;
		3419	};
		3420
		3421	cf::cleanup "db_env_open(db): $@" if $@;
		3422	};
		3423	}
		3424	}
		3425
		3426	{
		3427	IO::AIO::min_parallel 8;
		3428
		3429	undef $Coro::AIO::WATCHER;
2436	IO::AIO::max_poll_time $TICK * 0.2;	3430	IO::AIO::max_poll_time $TICK * 0.1;
2437
2438	$AIO_POLL_WATCHER = Event->io (	3431	$AIO_POLL_WATCHER = Event->io (
2439	fd => IO::AIO::poll_fileno,	3432	reentrant => 0,
2440	poll => 'r',
2441	prio => 5,
2442	data => WF_AUTOCANCEL,
2443	cb => \&IO::AIO::poll_cb,
2444	);
2445
2446	$WRITE_RUNTIME_WATCHER = Event->timer (
2447	data => WF_AUTOCANCEL,	3433	data => WF_AUTOCANCEL,
2448	after => 0,	3434	fd => IO::AIO::poll_fileno,
2449	interval => 10,	3435	poll => 'r',
2450	cb => sub {	3436	prio => 6,
2451	(Coro::unblock_sub {	3437	cb => \&IO::AIO::poll_cb,
2452	write_runtime	3438	);
2453	or warn "ERROR: unable to write runtime file: $!";	3439	}
		3440
		3441	my $_log_backtrace;
		3442
		3443	sub _log_backtrace {
		3444	my ($msg, @addr) = @_;
		3445
		3446	$msg =~ s/\n//;
		3447
		3448	# limit the # of concurrent backtraces
		3449	if ($_log_backtrace < 2) {
		3450	++$_log_backtrace;
		3451	async {
		3452	my @bt = fork_call {
		3453	@addr = map { sprintf "%x", $_ } @addr;
		3454	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3455	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3456	or die "addr2line: $!";
		3457
		3458	my @funcs;
		3459	my @res = <$fh>;
		3460	chomp for @res;
		3461	while (@res) {
		3462	my ($func, $line) = splice @res, 0, 2, ();
		3463	push @funcs, "[$func] $line";
		3464	}
		3465
		3466	@funcs
		3467	};
		3468
		3469	LOG llevInfo, "[ABT] $msg\n";
		3470	LOG llevInfo, "[ABT] $_\n" for @bt;
		3471	--$_log_backtrace;
2454	})->();	3472	};
		3473	} else {
		3474	LOG llevInfo, "[ABT] $msg\n";
		3475	LOG llevInfo, "[ABT] [suppressed]\n";
2455	},	3476	}
2456	);	3477	}
		3478
		3479	# load additional modules
		3480	use cf::pod;
2457		3481
2458	END { cf::emergency_save }	3482	END { cf::emergency_save }
2459		3483
2460	1	3484	1
2461		3485

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