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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.324 by root, Sat Jul 28 14:23:17 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		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
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	790	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	791	our @CB_MAP = ();
505		792
506	my %attachment;	793	my %attachment;
507		794
		795	sub cf::attachable::thawer_merge {
		796	# simply override everything except _meta
		797	local $_[0]{_meta};
		798	%{$_[0]} = %{$_[1]};
		799	}
		800
508	sub _attach_cb($$$$) {	801	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	802	my ($registry, $event, $prio, $cb) = @_;
510		803
511	use sort 'stable';	804	use sort 'stable';
512		805
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
547		840
548	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		845
553	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	847	my $pkg = shift @arg;
555		848
556	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
586	}	879	}
587		880
588	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
589	} else {	882	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	884	}
592		885
593	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
594	}	887	}
595		888
…		…
597	if (ref $_[0]) {	890	if (ref $_[0]) {
598	_object_attach @_;	891	_object_attach @_;
599	} else {	892	} else {
600	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
601	}	894	}
		895	_recalc_want;
602	};	896	};
603		897
604	# all those should be optimised	898	# all those should be optimised
605	sub cf::attachable::detach {	899	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
610	reattach ($obj);	904	reattach ($obj);
611	} else {	905	} else {
612	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
613	}	907	}
		908	_recalc_want;
614	};	909	};
615		910
616	sub cf::attachable::attached {	911	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
618		913
…		…
633	";	928	";
634	die if $@;	929	die if $@;
635	}	930	}
636		931
637	our $override;	932	our $override;
638	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?
639		934
640	sub override {	935	sub override {
641	$override = 1;	936	$override = 1;
642	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
643	}	938	}
644		939
645	sub do_invoke {	940	sub do_invoke {
646	my $event = shift;	941	my $event = shift;
647	my $callbacks = shift;	942	my $callbacks = shift;
648		943
649	@invoke_results = ();	944	@INVOKE_RESULTS = ();
650		945
651	local $override;	946	local $override;
652		947
653	for (@$callbacks) {	948	for (@$callbacks) {
654	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
671		966
672	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
673		968
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		972
678	=back	973	=back
679		974
680	=cut	975	=cut
681		976
682	#############################################################################	977	#############################################################################
683	# 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	}
684		990
685	sub reattach {	991	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	993	my ($obj) = @_;
688		994
…		…
741	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
742		1048
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1053	close $fh;
748		1054
749	if (@$objs) {	1055	if (@$objs) {
750	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) {
751	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1061	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
757	}	1063	}
758	} else {	1064	} else {
759	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
791	or return;	1097	or return;
792	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
793	}	1099	}
794		1100
795	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
797	return ($data, $av);	1103	return ($data, $av);
798	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
799		1111
800	#############################################################################	1112	#############################################################################
801	# command handling &c	1113	# command handling &c
802		1114
803	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1129	}
818		1130
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1132
821	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.
822		1138
823	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
824	called.	1140	called.
825		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
826	=cut	1153	=cut
827		1154
828	sub register_extcmd {	1155	sub register_extcmd {
829	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
830		1157
831	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
832	}	1165	}
833		1166
834	cf::player->attach (	1167	cf::player->attach (
835	on_command => sub {	1168	on_command => sub {
836	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1178	cf::override;
846	},	1179	},
847	on_extcmd => sub {	1180	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
849		1182
850	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1184
852	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
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
855	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
856	}	1195	if $reply;
857	}	1196	}
858	} else {	1197	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1199	}
861		1200
862	cf::override;	1201	cf::override;
863	},	1202	},
864	);	1203	);
865		1204
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
901	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1210	next unless -r $path;
903	eval {	1211
904	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;
905	1	1269	}
906	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
907	}	1275	};
908	}	1276	}
909		1277
910	#############################################################################	1278	#############################################################################
911		1279
		1280	=back
		1281
912	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
913		1283
914	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
915		1285
916	=cut	1286	=cut
…		…
928	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
929		1299
930	=cut	1300	=cut
931		1301
932	sub playerdir($) {	1302	sub playerdir($) {
933	cf::localdir	1303	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1305	}
939		1306
940	sub path($) {	1307	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1309
943	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
944	}	1311	}
945		1312
946	sub find_active($) {	1313	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
951		1318
952	sub exists($) {	1319	sub exists($) {
953	my ($login) = @_;	1320	my ($login) = @_;
954		1321
955	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
957	}	1324	}
958		1325
959	sub find($) {	1326	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1328	my $login = $_[0];
962		1329
963	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
964		1331
965	$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
966	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
967	or return;	1341	or return;
968	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
969	}	1343	}
970	}	1344	}
…		…
1007		1381
1008	=cut	1382	=cut
1009		1383
1010	sub quit_character {	1384	sub quit_character {
1011	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1012		1388
1013	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1014	$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
1015		1391
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1025	$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
1026	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;
1027	}	1423	}
1028		1424
1029	=item cf::player::list_logins	1425	=item cf::player::list_logins
1030		1426
1031	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
1032	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1033		1429
1034	=cut	1430	=cut
1035		1431
1036	sub list_logins {	1432	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1434	or return [];
1039		1435
1040	my @logins;	1436	my @logins;
1041		1437
1042	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1059	=cut	1455	=cut
1060		1456
1061	sub maps($) {	1457	sub maps($) {
1062	my ($pl) = @_;	1458	my ($pl) = @_;
1063		1459
		1460	$pl = ref $pl ? $pl->ob->name : $pl;
		1461
1064	my $files = aio_readdir playerdir $pl	1462	my $files = aio_readdir playerdir $pl
1065	or return;	1463	or return;
1066		1464
1067	my @paths;	1465	my @paths;
1068		1466
1069	for (@$files) {	1467	for (@$files) {
1070	utf8::decode $_;	1468	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1469	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1470	next unless /^$PATH_SEP/o;
1073		1471
1074	s/\.map$//;	1472	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1473	}
1077		1474
1078	\@paths	1475	\@paths
1079	}	1476	}
1080		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
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1082		1529
1083	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1084		1531
1085	=cut	1532	=cut
1086		1533
1087	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1089		1536
1090	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1091		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1092	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1093	}	1544	}
1094		1545
1095	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		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	}
1096		1586
1097	=back	1587	=back
1098
1099		1588
1100	=head3 cf::map	1589	=head3 cf::map
1101		1590
1102	=over 4	1591	=over 4
1103		1592
…		…
1107		1596
1108	use Fcntl;	1597	use Fcntl;
1109	use Coro::AIO;	1598	use Coro::AIO;
1110		1599
1111	use overload	1600	use overload
1112	'""' => \&as_string;	1601	'""' => \&as_string,
		1602	fallback => 1;
1113		1603
1114	our $MAX_RESET = 3600;	1604	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1605	our $DEFAULT_RESET = 3000;
1116		1606
1117	sub generate_random_map {	1607	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1608	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1609	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1610	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1622	)
1134	}	1623	}
1135		1624
		1625	=item cf::map->register ($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
1136	sub register {	1633	sub register {
1137	my (undef, $regex) = @_;	1634	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1635	my $pkg = caller;
1139		1636
1140	no strict;	1637	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1638	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1639
1143	$EXT_MAP{$pkg} = qr<$regex>;	1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1641	}
1145		1642
1146	# also paths starting with '/'	1643	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1645
		1646	sub thawer_merge {
		1647	my ($self, $merge) = @_;
		1648
		1649	# we have to keep some variables in memory intact
		1650	local $self->{path};
		1651	local $self->{load_path};
		1652
		1653	$self->SUPER::thawer_merge ($merge);
		1654	}
1148		1655
1149	sub normalise {	1656	sub normalise {
1150	my ($path, $base) = @_;	1657	my ($path, $base) = @_;
		1658
		1659	$path = "$path"; # make sure its a string
		1660
		1661	$path =~ s/\.map$//;
1151		1662
1152	# map plan:	1663	# map plan:
1153	#	1664	#
1154	# /! non-realised random map exit (special hack!)	1665	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1666	# {... are special paths that are not being touched
…		…
1183		1694
1184	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
1185		1696
1186	$path = normalise $path, $base;	1697	$path = normalise $path, $base;
1187		1698
1188	for my $pkg (keys %EXT_MAP) {	1699	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1700	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1701	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1702	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1193	return $self;	1704	return $self;
1194	}	1705	}
1195	}	1706	}
1196		1707
1197	Carp::carp "unable to resolve path '$path'.";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1709	()
1199	}	1710	}
1200		1711
1201	sub init {	1712	sub init {
1202	my ($self) = @_;	1713	my ($self) = @_;
…		…
1217		1728
1218	# the original (read-only) location	1729	# the original (read-only) location
1219	sub load_path {	1730	sub load_path {
1220	my ($self) = @_;	1731	my ($self) = @_;
1221		1732
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1223	}	1734	}
1224		1735
1225	# the temporary/swap location	1736	# the temporary/swap location
1226	sub save_path {	1737	sub save_path {
1227	my ($self) = @_;	1738	my ($self) = @_;
1228		1739
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1231	}	1742	}
1232		1743
1233	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1234	sub uniq_path {	1745	sub uniq_path {
1235	my ($self) = @_;	1746	my ($self) = @_;
1236		1747
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1239	}	1750	}
1240		1751
1241	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1242	# all maps in C++...	1753	# all maps in C++...
1243	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1245		1756
1246	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1248	}	1759	}
1249		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
1250	sub unlink_save {	1769	sub unlink_save {
1251	my ($self) = @_;	1770	my ($self) = @_;
1252		1771
1253	utf8::encode (my $save = $self->save_path);	1772	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1774	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1775	}
1257		1776
1258	sub load_header_from($) {	1777	sub load_header_from($) {
1259	my ($self, $path) = @_;	1778	my ($self, $path) = @_;
1260		1779
1261	utf8::encode $path;	1780	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1781	#aio_open $path, O_RDONLY, 0
1263	or return;	1782	# or return;
1264		1783
1265	$self->_load_header ($path)	1784	$self->_load_header ($path)
1266	or return;	1785	or return;
1267		1786
1268	$self->{load_path} = $path;	1787	$self->{load_path} = $path;
1269		1788
1270	1	1789	1
1271	}	1790	}
1272		1791
1273	sub load_orig {	1792	sub load_header_orig {
1274	my ($self) = @_;	1793	my ($self) = @_;
1275		1794
1276	$self->load_header_from ($self->load_path)	1795	$self->load_header_from ($self->load_path)
1277	}	1796	}
1278		1797
1279	sub load_temp {	1798	sub load_header_temp {
1280	my ($self) = @_;	1799	my ($self) = @_;
1281		1800
1282	$self->load_header_from ($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	$self->instantiate;
1283	}	1821	}
1284		1822
1285	sub load_header {	1823	sub load_header {
1286	my ($self) = @_;	1824	my ($self) = @_;
1287		1825
1288	if ($self->load_temp) {	1826	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1827	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1828	} else {
1295	$self->load_orig	1829	$self->load_header_orig
1296	or return;	1830	or return;
1297		1831	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	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;
1303		1839
1304	1	1840	1
1305	}	1841	}
1306		1842
1307	sub find;	1843	sub find;
…		…
1320	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1321		1857
1322	$map->load_header	1858	$map->load_header
1323	or return;	1859	or return;
1324		1860
1325	if ($map->should_reset) {	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1862	# doing this can freeze the server in a sync job, obviously
		1863	#$cf::WAIT_FOR_TICK->wait;
1326	$map->reset;	1864	$map->reset;
1327	undef $guard;	1865	undef $guard;
1328	$map = find $path	1866	return find $path;
1329	or return;
1330	}	1867	}
1331		1868
1332	$cf::MAP{$path} = $map	1869	$cf::MAP{$path} = $map
1333	}	1870	}
1334	}	1871	}
		1872
		1873	sub pre_load { }
		1874	sub post_load { }
1335		1875
1336	sub load {	1876	sub load {
1337	my ($self) = @_;	1877	my ($self) = @_;
1338		1878
		1879	local $self->{deny_reset} = 1; # loading can take a long time
		1880
1339	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1341		1885
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1343		1887
1344	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1345		1889
1346	$self->alloc;	1890	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)
1348	or return;
1349		1891
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1892	$self->pre_load;
1351	if delete $self->{load_original};
1352
1353	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {
1356	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);
1358	}
1359	}
1360
1361	Coro::cede;
1362
1363	# now do the right thing for maps
1364	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;	1893	Coro::cede;
1371	$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;
1372	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1913	unless $self->difficulty;
1374	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($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;
1375	$self->activate;	1923	$self->activate;
1376	}	1924	}
1377		1925
		1926	$map->{last_save} = $cf::RUNTIME;
		1927	$map->last_access ($cf::RUNTIME);
		1928
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1929	$self->in_memory (cf::MAP_IN_MEMORY);
		1930	}
		1931
		1932	$self->post_load;
1379	}	1933	}
1380		1934
1381	sub customise_for {	1935	sub customise_for {
1382	my ($self, $ob) = @_;	1936	my ($self, $ob) = @_;
1383		1937
1384	return find "~" . $ob->name . "/" . $self->{path}	1938	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1939	if $self->per_player;
		1940
		1941	# return find "?party/" . $ob->name . "/" . $self->{path}
		1942	# if $self->per_party;
1386		1943
1387	$self	1944	$self
1388	}	1945	}
1389		1946
1390	# 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
…		…
1422		1979
1423	cf::sync_job { $map->load };	1980	cf::sync_job { $map->load };
1424	}	1981	}
1425		1982
1426	our %MAP_PREFETCH;	1983	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	1984	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		1985
1440	sub find_async {	1986	sub find_async {
1441	my ($path, $origin) = @_;	1987	my ($path, $origin) = @_;
1442		1988
1443	$path = normalise $path, $origin && $origin->{path};	1989	$path = normalise $path, $origin && $origin->{path};
1444		1990
1445	if (my $map = $cf::MAP{$path}) {	1991	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1992	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1447	}	1993	}
1448		1994
1449	$MAP_PREFETCH{$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	};
1450	$MAP_PREFETCHER->ready;	2008	$MAP_PREFETCHER->prio (6);
1451		2009
1452	()	2010	()
1453	}	2011	}
1454		2012
1455	sub save {	2013	sub save {
…		…
1500		2058
1501	sub reset_at {	2059	sub reset_at {
1502	my ($self) = @_;	2060	my ($self) = @_;
1503		2061
1504	# TODO: safety, remove and allow resettable per-player maps	2062	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2063	return 1e99 if $self->{deny_reset};
1507		2064
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2065	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2066	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2067
…		…
1515	my ($self) = @_;	2072	my ($self) = @_;
1516		2073
1517	$self->reset_at <= $cf::RUNTIME	2074	$self->reset_at <= $cf::RUNTIME
1518	}	2075	}
1519		2076
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2077	sub reset {
1535	my ($self) = @_;	2078	my ($self) = @_;
1536		2079
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2080	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2081
1539	return if $self->players;	2082	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2083
1542	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	}
1543		2095
1544	delete $cf::MAP{$self->path};	2096	delete $cf::MAP{$self->path};
1545		2097
1546	$self->in_memory (cf::MAP_SWAPPED);
1547	$self->clear;	2098	$self->clear;
1548		2099
1549	$_->clear_links_to ($self) for values %cf::MAP;	2100	$_->clear_links_to ($self) for values %cf::MAP;
1550		2101
1551	$self->unlink_save;	2102	$self->unlink_save;
…		…
1555	my $nuke_counter = "aaaa";	2106	my $nuke_counter = "aaaa";
1556		2107
1557	sub nuke {	2108	sub nuke {
1558	my ($self) = @_;	2109	my ($self) = @_;
1559		2110
		2111	delete $cf::MAP{$self->path};
		2112
		2113	$self->unlink_save;
		2114
		2115	bless $self, "cf::map";
		2116	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2117	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2118	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2119	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2120
		2121	$cf::MAP{$self->path} = $self;
		2122
1563	$self->reset; # polite request, might not happen	2123	$self->reset; # polite request, might not happen
		2124	}
		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	]
1564	}	2160	}
1565		2161
1566	=item cf::map::unique_maps	2162	=item cf::map::unique_maps
1567		2163
1568	Returns an arrayref of paths of all shared maps that have	2164	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2165	instantiated unique items. May block.
1570		2166
1571	=cut	2167	=cut
1572		2168
1573	sub unique_maps() {	2169	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2170	[
1575	or return;	2171	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2172	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2173	/\.map$/
1585	push @paths, $_;	2174	? normalise $_
		2175	: ()
		2176	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2177	]
1587
1588	\@paths
1589	}	2178	}
1590		2179
1591	package cf;	2180	package cf;
1592		2181
1593	=back	2182	=back
…		…
1639		2228
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2230
1642	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1644	} 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 {
1645	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1647	}	2245	}
1648	}	2246	}
1649		2247
1650	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1651		2249
…		…
1684	=cut	2282	=cut
1685		2283
1686	sub link_map {	2284	sub link_map {
1687	unless ($LINK_MAP) {	2285	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2286	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2287	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2288	$LINK_MAP->load;
1691	}	2289	}
1692		2290
1693	$LINK_MAP	2291	$LINK_MAP
1694	}	2292	}
…		…
1699	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1700		2298
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2300
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1705		2303
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2305	}
1708		2306
1709	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1711		2311
1712	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1713		2313
1714	unless ($map) {	2314	unless ($map) {
1715	# restore original map position	2315	# restore original map position
…		…
1733	$map->load;	2333	$map->load;
1734	$map->load_diag;	2334	$map->load_diag;
1735		2335
1736	return unless $self->contr->active;	2336	return unless $self->contr->active;
1737	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1739	}	2341	}
1740		2342
1741	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2344
1745	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1749	};	2349	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2350
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1776		2354
1777	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1778	my ($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;
1779		2360
1780	$self->enter_link;	2361	$self->enter_link;
1781		2362
1782	(async {	2363	(async {
		2364	my $map = eval {
1783	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
1785		2369	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2370	} else {
1787	# if $map;
1788
1789	$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	}
1790		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};
1791	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1792	})->prio (1);	2388	})->prio (1);
1793	}	2389	}
1794		2390
1795	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1796		2392
…		…
1798		2394
1799	sub parse_random_map_params {	2395	sub parse_random_map_params {
1800	my ($spec) = @_;	2396	my ($spec) = @_;
1801		2397
1802	my $rmp = { # defaults	2398	my $rmp = { # defaults
1803	xsize => 10,	2399	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2400	ysize => (cf::rndm 15, 40),
		2401	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2402	#layout => string,
1805	};	2403	};
1806		2404
1807	for (split /\n/, $spec) {	2405	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2406	my ($k, $v) = split /\s+/, $_, 2;
1809		2407
…		…
1813	$rmp	2411	$rmp
1814	}	2412	}
1815		2413
1816	sub prepare_random_map {	2414	sub prepare_random_map {
1817	my ($exit) = @_;	2415	my ($exit) = @_;
		2416
		2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2418
1819	# all this does is basically replace the /! path by	2419	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2420	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2421	# that depends on the exit object
1822		2422
1823	my $rmp = parse_random_map_params $exit->msg;	2423	my $rmp = parse_random_map_params $exit->msg;
1824		2424
1825	if ($exit->map) {	2425	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2426	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2427	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2428	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2429	$rmp->{origin_y} = $exit->y;
1830	}	2430	}
1831		2431
1832	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1833		2433
1834	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
		2436	my $meta = "$RANDOMDIR/$md5.meta";
1836		2437
1837	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) {
1838	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;
1839		2442
1840	$exit->slaying ("?random/$md5");	2443	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2444	$exit->msg (undef);
1842	}	2445	}
1843	}	2446	}
…		…
1845	sub cf::object::player::enter_exit {	2448	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2449	my ($self, $exit) = @_;
1847		2450
1848	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1849		2452
		2453	if ($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
1850	$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);
1851		2469
1852	(async {	2470	(async {
1853	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2472	unless (eval {
1855	prepare_random_map $exit	2473	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2474
1861	1;	2475	1;
1862	}) {	2476	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "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. "
1865	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2481
1868	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2483	$self->leave_link;
1870	}	2484	}
1871	})->prio (1);	2485	})->prio (1);
…		…
1884		2498
1885	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1887		2501
1888	utf8::encode $text;	2502	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2504	}
1891		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	if (0 && $msg =~ /\[/) {
		2556	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2557	} else {
		2558	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2559	$self->send_packet ("drawinfo $color $msg")
		2560	}
		2561	}
		2562	}
		2563	}
		2564
		2565	=item $client->ext_msg ($type, @msg)
		2566
		2567	Sends an ext event to the client.
		2568
		2569	=cut
		2570
		2571	sub cf::client::ext_msg($$@) {
		2572	my ($self, $type, @msg) = @_;
		2573
		2574	my $extcmd = $self->extcmd;
		2575
		2576	if ($extcmd == 2) {
		2577	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2578	} elsif ($extcmd == 1) { # TODO: remove
		2579	push @msg, msgtype => "event_$type";
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1892		2583
1893	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1894		2585
1895	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2589
1899	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2591	become reliable at some point in the future.
1901		2592
1902	=cut	2593	=cut
1903		2594
1904	sub cf::client::query {	2595	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2604	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2606
1916	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1918	}	2611	}
1919		2612
1920	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1921	on_reply => sub {	2619	on_reply => sub {
1922	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
1923		2621
1924	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
1925	# get handled first	2623	# get handled first
1926	my $queue = delete $ns->{query_queue}	2624	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2626
1929	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2629
1931	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
1932		2631
1933	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2633	if (@$queue) {
…		…
1936	} else {	2635	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2637	}
1939	}	2638	}
1940	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
1941	);	2663	);
1942		2664
1943	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
1944		2666
1945	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
1992		2714
1993	# here we export the classes and methods available to script code	2715	# here we export the classes and methods available to script code
1994		2716
1995	=pod	2717	=pod
1996		2718
1997	The following fucntions and emthods are available within a safe environment:	2719	The following functions and methods are available within a safe environment:
1998		2720
1999	cf::object contr pay_amount pay_player map	2721	cf::object
		2722	contr pay_amount pay_player map x y force_find force_add
		2723	insert remove
		2724
2000	cf::object::player player	2725	cf::object::player
2001	cf::player peaceful	2726	player
2002	cf::map trigger	2727
		2728	cf::player
		2729	peaceful
		2730
		2731	cf::map
		2732	trigger
2003		2733
2004	=cut	2734	=cut
2005		2735
2006	for (	2736	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2738	insert remove)],
2008	["cf::object::player" => qw(player)],	2739	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2740	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2741	["cf::map" => qw(trigger)],
2011	) {	2742	) {
2012	no strict 'refs';	2743	no strict 'refs';
…		…
2083	=back	2814	=back
2084		2815
2085	=cut	2816	=cut
2086		2817
2087	#############################################################################	2818	#############################################################################
		2819	# the server's init and main functions
2088		2820
2089	=head2 EXTENSION DATABASE SUPPORT	2821	sub load_facedata($) {
		2822	my ($path) = @_;
2090		2823
2091	Crossfire maintains a very simple database for extension use. It can	2824	warn "loading facedata from $path\n";
2092	currently store anything that can be serialised using Storable, which
2093	excludes objects.
2094		2825
2095	The parameter C<$family> should best start with the name of the extension	2826	my $facedata;
2096	using it, it should be unique.	2827	0 < aio_load $path, $facedata
		2828	or die "$path: $!";
2097		2829
2098	=over 4	2830	$facedata = Coro::Storable::thaw $facedata;
2099		2831
2100	=item $hashref = cf::db_get $family	2832	$facedata->{version} == 2
		2833	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		2834
2102	Return a hashref for use by the extension C<$family>, which can be
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105
2106	=item $value = cf::db_get $family => $key
2107
2108	Returns a single value from the database
2109
2110	=item cf::db_put $family => $hashref
2111
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}	2835	{
		2836	my $faces = $facedata->{faceinfo};
2138		2837
2139	my $pid;	2838	while (my ($face, $info) = each %$faces) {
		2839	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2840	cf::face::set_visibility $idx, $info->{visibility};
		2841	cf::face::set_magicmap $idx, $info->{magicmap};
		2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2140		2844
2141	sub db_save() {	2845	cf::cede_to_tick;
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});
2161
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}
2166
2167	sub db_get($;$) {
2168	@_ >= 2
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172
2173	sub db_put($$;$) {
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	2846	}
2187	);
2188	}
2189		2847
2190	#############################################################################	2848	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	2849	next unless $info->{smooth};
		2850	my $idx = cf::face::find $face
		2851	or next;
		2852	if (my $smooth = cf::face::find $info->{smooth}) {
		2853	cf::face::set_smooth $idx, $smooth;
		2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2855	} else {
		2856	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2857	}
		2858
		2859	cf::cede_to_tick;
		2860	}
		2861	}
		2862
		2863	{
		2864	my $anims = $facedata->{animinfo};
		2865
		2866	while (my ($anim, $info) = each %$anims) {
		2867	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2868	cf::cede_to_tick;
		2869	}
		2870
		2871	cf::anim::invalidate_all; # d'oh
		2872	}
		2873
		2874	{
		2875	# TODO: for gcfclient pleasure, we should give resources
		2876	# that gcfclient doesn't grok a >10000 face index.
		2877	my $res = $facedata->{resource};
		2878	my $enc = JSON::XS->new->utf8->canonical;
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $meta = $enc->encode ({
		2884	name => $name,
		2885	%{ $info->{meta} || {} },
		2886	});
		2887
		2888	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2889
		2890	if ($info->{type} & 1) {
		2891	# prepend meta info
		2892
		2893	my $data = pack "(w/a*)*", $meta, $info->{data};
		2894	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2895
		2896	cf::face::set_data $idx, 0, $data, $chk;
		2897	} else {
		2898	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2899	}
		2900
		2901	cf::face::set_type $idx, $info->{type};
		2902
		2903	cf::cede_to_tick;
		2904	}
		2905
		2906	if ($soundconf) {
		2907	$soundconf = $enc->decode (delete $soundconf->{data});
		2908
		2909	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2910	my $sound = $soundconf->{compat}[$_]
		2911	or next;
		2912
		2913	my $face = cf::face::find "sound/$sound->[1]";
		2914
		2915	cf::sound::set $sound->[0] => $face;
		2916	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2917	}
		2918
		2919	#TODO
		2920	}
		2921	}
		2922
		2923	1
		2924	}
		2925
		2926	register_exticmd fx_want => sub {
		2927	my ($ns, $want) = @_;
		2928
		2929	while (my ($k, $v) = each %$want) {
		2930	$ns->fx_want ($k, $v);
		2931	}
		2932	};
		2933
		2934	sub reload_regions {
		2935	load_resource_file "$MAPDIR/regions"
		2936	or die "unable to load regions file\n";
		2937
		2938	for (cf::region::list) {
		2939	$_->{match} = qr/$_->{match}/
		2940	if exists $_->{match};
		2941	}
		2942	}
		2943
		2944	sub reload_facedata {
		2945	load_facedata "$DATADIR/facedata"
		2946	or die "unable to load facedata\n";
		2947	}
		2948
		2949	sub reload_archetypes {
		2950	load_resource_file "$DATADIR/archetypes"
		2951	or die "unable to load archetypes\n";
		2952	#d# NEED to laod twice to resolve forward references
		2953	# this really needs to be done in an extra post-pass
		2954	# (which needs to be synchronous, so solve it differently)
		2955	load_resource_file "$DATADIR/archetypes"
		2956	or die "unable to load archetypes\n";
		2957	}
		2958
		2959	sub reload_treasures {
		2960	load_resource_file "$DATADIR/treasures"
		2961	or die "unable to load treasurelists\n";
		2962	}
		2963
		2964	sub reload_resources {
		2965	warn "reloading resource files...\n";
		2966
		2967	reload_regions;
		2968	reload_facedata;
		2969	#reload_archetypes;#d#
		2970	reload_archetypes;
		2971	reload_treasures;
		2972
		2973	warn "finished reloading resource files\n";
		2974	}
		2975
		2976	sub init {
		2977	reload_resources;
		2978	}
2192		2979
2193	sub cfg_load {	2980	sub cfg_load {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	2981	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	2982	or return;
2196		2983
2197	local $/;	2984	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	2985	*CFG = YAML::Syck::Load <$fh>;
2199		2986
…		…
2213		3000
2214	sub main {	3001	sub main {
2215	# we must not ever block the main coroutine	3002	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3003	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3004	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3005	(async {
2218	async { Event::one_event };	3006	Event::one_event;
		3007	})->prio (Coro::PRIO_MAX);
2219	};	3008	};
2220		3009
2221	cfg_load;	3010	cfg_load;
2222	db_load;	3011	db_init;
2223	load_extensions;	3012	load_extensions;
		3013
		3014	$TICK_WATCHER->start;
2224	Event::loop;	3015	Event::loop;
2225	}	3016	}
2226		3017
2227	#############################################################################	3018	#############################################################################
2228	# initialisation and cleanup	3019	# initialisation and cleanup
2229		3020
2230	# install some emergency cleanup handlers	3021	# install some emergency cleanup handlers
2231	BEGIN {	3022	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3023	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3024	Event->signal (
		3025	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3026	data => WF_AUTOCANCEL,
2235	signal => $signal,	3027	signal => $signal,
		3028	prio => 0,
2236	cb => sub {	3029	cb => sub {
2237	cf::cleanup "SIG$signal";	3030	cf::cleanup "SIG$signal";
2238	},	3031	},
2239	);	3032	);
2240	}	3033	}
		3034	}
		3035
		3036	sub write_runtime {
		3037	my $runtime = "$LOCALDIR/runtime";
		3038
		3039	# first touch the runtime file to show we are still running:
		3040	# the fsync below can take a very very long time.
		3041
		3042	IO::AIO::aio_utime $runtime, undef, undef;
		3043
		3044	my $guard = cf::lock_acquire "write_runtime";
		3045
		3046	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3047	or return;
		3048
		3049	my $value = $cf::RUNTIME + 90 + 10;
		3050	# 10 is the runtime save interval, for a monotonic clock
		3051	# 60 allows for the watchdog to kill the server.
		3052
		3053	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3054	and return;
		3055
		3056	# always fsync - this file is important
		3057	aio_fsync $fh
		3058	and return;
		3059
		3060	# touch it again to show we are up-to-date
		3061	aio_utime $fh, undef, undef;
		3062
		3063	close $fh
		3064	or return;
		3065
		3066	aio_rename "$runtime~", $runtime
		3067	and return;
		3068
		3069	warn "runtime file written.\n";
		3070
		3071	1
2241	}	3072	}
2242		3073
2243	sub emergency_save() {	3074	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3075	my $freeze_guard = cf::freeze_mainloop;
2245		3076
…		…
2262	my $map = $cf::MAP{$path} or next;	3093	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3094	$map->valid or next;
2264	$map->save;	3095	$map->save;
2265	}	3096	}
2266	warn "end emergency map save\n";	3097	warn "end emergency map save\n";
		3098
		3099	warn "begin emergency database checkpoint\n";
		3100	BDB::db_env_txn_checkpoint $DB_ENV;
		3101	warn "end emergency database checkpoint\n";
2267	};	3102	};
2268		3103
2269	warn "leave emergency perl save\n";	3104	warn "leave emergency perl save\n";
2270	}	3105	}
2271		3106
		3107	sub post_cleanup {
		3108	my ($make_core) = @_;
		3109
		3110	warn Carp::longmess "post_cleanup backtrace"
		3111	if $make_core;
		3112	}
		3113
2272	sub reload() {	3114	sub do_reload_perl() {
2273	# can/must only be called in main	3115	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3116	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3117	warn "can only reload from main coroutine";
2276	return;	3118	return;
2277	}	3119	}
2278		3120
2279	warn "reloading...";	3121	warn "reloading...";
2280		3122
2281	warn "freezing server";	3123	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3124
		3125	cf::sync_job {
		3126	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3127	cf::emergency_save;
		3128	cf::write_runtime; # external watchdog should not bark
2284		3129
2285	warn "sync database to disk";	3130	warn "syncing database to disk";
2286	cf::db_sync;	3131	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3132
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3133	# if anything goes wrong in here, we should simply crash as we already saved
2291		3134
2292	warn "cancel all watchers";	3135	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3136	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3137	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3138	}
2296		3139
		3140	warn "flushing outstanding aio requests";
		3141	for (;;) {
		3142	BDB::flush;
		3143	IO::AIO::flush;
		3144	Coro::cede;
		3145	last unless IO::AIO::nreqs || BDB::nreqs;
		3146	warn "iterate...";
		3147	}
		3148
		3149	++$RELOAD;
		3150
2297	warn "cancel all extension coros";	3151	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3152	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3153	%EXT_CORO = ();
2300		3154
2301	warn "remove commands";	3155	warn "removing commands";
2302	%COMMAND = ();	3156	%COMMAND = ();
2303		3157
2304	warn "remove ext commands";	3158	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3159	%EXTCMD = ();
		3160	%EXTICMD = ();
2306		3161
2307	warn "unload/nuke all extensions";	3162	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3163	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3164	warn "... unloading $pkg";
2310		3165
2311	if (my $cb = $pkg->can ("unload")) {	3166	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3167	eval {
…		…
2317		3172
2318	warn "... nuking $pkg";	3173	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3174	Symbol::delete_package $pkg;
2320	}	3175	}
2321		3176
2322	warn "unload all perl modules loaded from $LIBDIR";	3177	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3178	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3179	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3180
2326	warn "removing <$k>";	3181	warn "... unloading $k";
2327	delete $INC{$k};	3182	delete $INC{$k};
2328		3183
2329	$k =~ s/\.pm$//;	3184	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3185	$k =~ s/\//::/g;
2331		3186
…		…
2334	}	3189	}
2335		3190
2336	Symbol::delete_package $k;	3191	Symbol::delete_package $k;
2337	}	3192	}
2338		3193
2339	warn "get rid of safe::, as good as possible";	3194	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3195	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3196	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3197
2343	warn "unload cf.pm \"a bit\"";	3198	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3199	delete $INC{"cf.pm"};
		3200	delete $INC{"cf/pod.pm"};
2345		3201
2346	# don't, removes xs symbols, too,	3202	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3203	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3204	#Symbol::delete_package __PACKAGE__;
2349		3205
		3206	warn "unload completed, starting to reload now";
		3207
2350	warn "reloading cf.pm";	3208	warn "reloading cf.pm";
2351	require cf;	3209	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3210	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3211
2354	warn "load config and database again";	3212	warn "loading config and database again";
2355	cf::cfg_load;	3213	cf::cfg_load;
2356	cf::db_load;
2357		3214
2358	warn "load extensions";	3215	warn "loading extensions";
2359	cf::load_extensions;	3216	cf::load_extensions;
2360		3217
2361	warn "reattach attachments to objects/players";	3218	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3219	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3220	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3221	reattach $_ for values %MAP;
2365	};	3222	warn "reattaching attachments to players";
		3223	reattach $_ for values %PLAYER;
2366		3224
2367	if ($@) {	3225	warn "leaving sync_job";
		3226
		3227	1
		3228	} or do {
2368	warn $@;	3229	warn $@;
2369	warn "error while reloading, exiting.";	3230	warn "error while reloading, exiting.";
2370	exit 1;	3231	exit 1;
2371	}	3232	};
2372		3233
2373	warn "reloaded";	3234	warn "reloaded";
2374	};	3235	};
2375		3236
		3237	our $RELOAD_WATCHER; # used only during reload
		3238
		3239	sub reload_perl() {
		3240	# doing reload synchronously and two reloads happen back-to-back,
		3241	# coro crashes during coro_state_free->destroy here.
		3242
		3243	$RELOAD_WATCHER ||= Event->timer (
		3244	reentrant => 0,
		3245	after => 0,
		3246	data => WF_AUTOCANCEL,
		3247	cb => sub {
		3248	do_reload_perl;
		3249	undef $RELOAD_WATCHER;
		3250	},
		3251	);
		3252	}
		3253
2376	register_command "reload" => sub {	3254	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3255	my ($who, $arg) = @_;
2378		3256
2379	if ($who->flag (FLAG_WIZ)) {	3257	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3258	$who->message ("reloading server.");
		3259	async { reload_perl };
2383	}	3260	}
2384	};	3261	};
2385		3262
2386	unshift @INC, $LIBDIR;	3263	unshift @INC, $LIBDIR;
2387		3264
		3265	my $bug_warning = 0;
		3266
		3267	our @WAIT_FOR_TICK;
		3268	our @WAIT_FOR_TICK_BEGIN;
		3269
		3270	sub wait_for_tick {
		3271	return unless $TICK_WATCHER->is_active;
		3272	return if $Coro::current == $Coro::main;
		3273
		3274	my $signal = new Coro::Signal;
		3275	push @WAIT_FOR_TICK, $signal;
		3276	$signal->wait;
		3277	}
		3278
		3279	sub wait_for_tick_begin {
		3280	return unless $TICK_WATCHER->is_active;
		3281	return if $Coro::current == $Coro::main;
		3282
		3283	my $signal = new Coro::Signal;
		3284	push @WAIT_FOR_TICK_BEGIN, $signal;
		3285	$signal->wait;
		3286	}
		3287
		3288	my $min = 1e6;#d#
		3289	my $avg = 10;
2388	$TICK_WATCHER = Event->timer (	3290	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3291	reentrant => 0,
		3292	parked => 1,
2390	prio => 0,	3293	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3294	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3295	data => WF_AUTOCANCEL,
2393	cb => sub {	3296	cb => sub {
		3297	if ($Coro::current != $Coro::main) {
		3298	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3299	unless ++$bug_warning > 10;
		3300	return;
		3301	}
		3302
2394	$NOW = Event::time;	3303	$NOW = $tick_start = Event::time;
2395		3304
2396	cf::server_tick; # one server iteration	3305	cf::server_tick; # one server iteration
		3306
		3307	0 && sync_job {#d#
		3308	for(1..10) {
		3309	my $t = Event::time;
		3310	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3311	or die;
		3312
		3313	$map->width (50);
		3314	$map->height (50);
		3315	$map->alloc;
		3316	$map->_load_objects ("/tmp/x.map", 1);
		3317	my $t = Event::time - $t;
		3318
		3319	#next unless $t < 0.0013;#d#
		3320	if ($t < $min) {
		3321	$min = $t;
		3322	}
		3323	$avg = $avg * 0.99 + $t * 0.01;
		3324	}
		3325	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3326	exit 0;
		3327	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3328	};
		3329
2397	$RUNTIME += $TICK;	3330	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3331	$NEXT_TICK += $TICK;
2399		3332
2400	$WAIT_FOR_TICK->broadcast;	3333	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3334	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3335	Coro::async_pool {
		3336	write_runtime
		3337	or warn "ERROR: unable to write runtime file: $!";
		3338	};
		3339	}
		3340
		3341	# my $AFTER = Event::time;
		3342	# warn $AFTER - $NOW;#d#
		3343
		3344	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3345	$sig->send;
		3346	}
		3347	while (my $sig = shift @WAIT_FOR_TICK) {
		3348	$sig->send;
		3349	}
		3350
		3351	$NOW = Event::time;
2402		3352
2403	# if we are delayed by four ticks or more, skip them all	3353	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3354	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3355
2406	$TICK_WATCHER->at ($NEXT_TICK);	3356	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3357	$TICK_WATCHER->start;
		3358
		3359	$LOAD = ($NOW - $tick_start) / $TICK;
		3360	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3361
		3362	_post_tick;
		3363
		3364
2408	},	3365	},
2409	);	3366	);
2410		3367
		3368	{
		3369	BDB::max_poll_time $TICK * 0.1;
		3370	$BDB_POLL_WATCHER = Event->io (
		3371	reentrant => 0,
		3372	fd => BDB::poll_fileno,
		3373	poll => 'r',
		3374	prio => 0,
		3375	data => WF_AUTOCANCEL,
		3376	cb => \&BDB::poll_cb,
		3377	);
		3378	BDB::min_parallel 8;
		3379
		3380	BDB::set_sync_prepare {
		3381	my $status;
		3382	my $current = $Coro::current;
		3383	(
		3384	sub {
		3385	$status = $!;
		3386	$current->ready; undef $current;
		3387	},
		3388	sub {
		3389	Coro::schedule while defined $current;
		3390	$! = $status;
		3391	},
		3392	)
		3393	};
		3394
		3395	unless ($DB_ENV) {
		3396	$DB_ENV = BDB::db_env_create;
		3397
		3398	cf::sync_job {
		3399	eval {
		3400	BDB::db_env_open
		3401	$DB_ENV,
		3402	$BDBDIR,
		3403	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3404	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3405	0666;
		3406
		3407	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3408
		3409	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3410	$DB_ENV->set_lk_detect;
		3411	};
		3412
		3413	cf::cleanup "db_env_open(db): $@" if $@;
		3414	};
		3415	}
		3416	}
		3417
		3418	{
		3419	IO::AIO::min_parallel 8;
		3420
		3421	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3422	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3423	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3424	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3425	data => WF_AUTOCANCEL,
2423	after => 0,	3426	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3427	poll => 'r',
2425	cb => sub {	3428	prio => 6,
2426	(Coro::unblock_sub {	3429	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3430	);
2428	or warn "ERROR: unable to write runtime file: $!";	3431	}
		3432
		3433	my $_log_backtrace;
		3434
		3435	sub _log_backtrace {
		3436	my ($msg, @addr) = @_;
		3437
		3438	$msg =~ s/\n//;
		3439
		3440	# limit the # of concurrent backtraces
		3441	if ($_log_backtrace < 2) {
		3442	++$_log_backtrace;
		3443	async {
		3444	my @bt = fork_call {
		3445	@addr = map { sprintf "%x", $_ } @addr;
		3446	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3447	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3448	or die "addr2line: $!";
		3449
		3450	my @funcs;
		3451	my @res = <$fh>;
		3452	chomp for @res;
		3453	while (@res) {
		3454	my ($func, $line) = splice @res, 0, 2, ();
		3455	push @funcs, "[$func] $line";
		3456	}
		3457
		3458	@funcs
		3459	};
		3460
		3461	LOG llevInfo, "[ABT] $msg\n";
		3462	LOG llevInfo, "[ABT] $_\n" for @bt;
		3463	--$_log_backtrace;
2429	})->();	3464	};
		3465	} else {
		3466	LOG llevInfo, "[ABT] $msg\n";
		3467	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3468	}
2431	);	3469	}
		3470
		3471	# load additional modules
		3472	use cf::pod;
2432		3473
2433	END { cf::emergency_save }	3474	END { cf::emergency_save }
2434		3475
2435	1	3476	1
2436		3477

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