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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.322 by root, Fri Jul 27 10:10:51 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;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	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;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
56		90
57	our %PLAYER; # all users	91	our %PLAYER; # all users
58	our %MAP; # all maps	92	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		94
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		101
68	binmode STDOUT;	102	binmode STDOUT;
69	binmode STDERR;	103	binmode STDERR;
70		104
71	# read virtual server time, if available	105	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
76	}	110	}
77		111
78	mkdir cf::localdir;	112	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		114
84	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
85		118
86	#############################################################################	119	#############################################################################
87		120
88	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
89		122
…		…
96	=item $cf::RUNTIME	129	=item $cf::RUNTIME
97		130
98	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
99	every server tick.	132	every server tick.
100		133
101	=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
102		137
103	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		142
106	=item $cf::NOW	143	=item $cf::NOW
107		144
108	The time of the last (current) server tick.	145	The time of the last (current) server tick.
109		146
110	=item $cf::TICK	147	=item $cf::TICK
111		148
112	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.
113		160
114	=item %cf::CFG	161	=item %cf::CFG
115		162
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	164	from wherever your confdir points to.
118		165
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		167
121	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
122	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
123	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.
124	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.
125		177
126	=back	178	=back
127		179
128	=cut	180	=cut
129		181
130	BEGIN {	182	BEGIN {
131	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	184	my $msg = join "", @_;
133	utf8::encode $msg;
134		185
135	$msg .= "\n"	186	$msg .= "\n"
136	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
137		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
138	LOG llevError, $msg;	192	LOG llevError, $msg;
139	};	193	};
140	}	194	}
141		195
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		203
149	# 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
150	# within the Safe compartment.	205	# within the Safe compartment.
151	for my $pkg (qw(	206	for my $pkg (qw(
152	cf::global cf::attachable	207	cf::global cf::attachable
…		…
160	}	215	}
161		216
162	$Event::DIED = sub {	217	$Event::DIED = sub {
163	warn "error in event callback: @_";	218	warn "error in event callback: @_";
164	};	219	};
		220
		221	#############################################################################
165		222
166	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
167		224
168	=over 4	225	=over 4
169		226
…		…
188	$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;
189	$d	246	$d
190	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
191	}	248	}
192		249
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
196		251
197	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
198		253
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
207		255
208	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
209		257
210	=cut	258	=cut
211		259
212	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
214	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
216		264
217	=item cf::lock_wait $string	265	=item cf::lock_wait $string
218		266
219	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
220		268
…		…
226	returned.	274	returned.
227		275
228	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
229	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
230		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
231	=cut	283	=cut
232		284
233	our %LOCK;	285	our %LOCK;
234		286
235	sub lock_wait($) {	287	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
256	}	308	}
257	}	309	}
258		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
259	sub freeze_mainloop {	317	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
261		319
262	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
263	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
264	$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;
265	}	381	}
266		382
267	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
268		384
269	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		390
275	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
276		392
277	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
278		394
279	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)
280	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
281	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.
282		399
283	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
284	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
285	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
286	fast or be very important.	403	fast or be very important.
…		…
289		406
290	sub sync_job(&) {	407	sub sync_job(&) {
291	my ($job) = @_;	408	my ($job) = @_;
292		409
293	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
294	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
296		415
297	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
309		428
310	while ($busy) {	429	while ($busy) {
311	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
312	}	431	}
313		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
314	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
315	} else {	441	} else {
316	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
317		443
318	$job->()	444	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
338		464
339	$coro	465	$coro
340	}	466	}
341		467
342	sub write_runtime {	468	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		469
345	my $runtime = cf::localdir . "/runtime";	470	Executes the given code block with the given arguments in a seperate
		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.
346		474
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
348	or return;
349		476
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	477	sub _store_scalar {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	open my $fh, ">", \my $buf
352	and return;	479	or die "fork_call: cannot open fh-to-buf in child : $!";
353		480	Storable::store_fd $_[0], $fh;
354	aio_fsync $fh
355	and return;
356
357	close $fh	481	close $fh;
358	or return;
359		482
360	aio_rename "$runtime~", $runtime	483	$buf
361	and return;	484	}
362		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;
363	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 });
364	}	655	}
365		656
366	=back	657	=back
367		658
368	=cut	659	=cut
…		…
375	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")
376	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
377		668
378	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>
379	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
380	crossfire+).	671	Crossfire TRT).
381		672
382	=over 4	673	=over 4
383		674
384	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
385		676
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	790	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	791	our @CB_MAP = ();
501		792
502	my %attachment;	793	my %attachment;
503		794
		795	sub cf::attachable::thawer_merge {
		796	# simply override everything except _meta
		797	local $_[0]{_meta};
		798	%{$_[0]} = %{$_[1]};
		799	}
		800
504	sub _attach_cb($$$$) {	801	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	802	my ($registry, $event, $prio, $cb) = @_;
506		803
507	use sort 'stable';	804	use sort 'stable';
508		805
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
543		840
544	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		845
549	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	847	my $pkg = shift @arg;
551		848
552	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
582	}	879	}
583		880
584	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
585	} else {	882	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	884	}
588		885
589	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
590	}	887	}
591		888
…		…
593	if (ref $_[0]) {	890	if (ref $_[0]) {
594	_object_attach @_;	891	_object_attach @_;
595	} else {	892	} else {
596	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
597	}	894	}
		895	_recalc_want;
598	};	896	};
599		897
600	# all those should be optimised	898	# all those should be optimised
601	sub cf::attachable::detach {	899	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
606	reattach ($obj);	904	reattach ($obj);
607	} else {	905	} else {
608	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
609	}	907	}
		908	_recalc_want;
610	};	909	};
611		910
612	sub cf::attachable::attached {	911	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
614		913
…		…
629	";	928	";
630	die if $@;	929	die if $@;
631	}	930	}
632		931
633	our $override;	932	our $override;
634	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?
635		934
636	sub override {	935	sub override {
637	$override = 1;	936	$override = 1;
638	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
639	}	938	}
640		939
641	sub do_invoke {	940	sub do_invoke {
642	my $event = shift;	941	my $event = shift;
643	my $callbacks = shift;	942	my $callbacks = shift;
644		943
645	@invoke_results = ();	944	@INVOKE_RESULTS = ();
646		945
647	local $override;	946	local $override;
648		947
649	for (@$callbacks) {	948	for (@$callbacks) {
650	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
667		966
668	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
669		968
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		972
674	=back	973	=back
675		974
676	=cut	975	=cut
677		976
678	#############################################################################	977	#############################################################################
679	# 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	}
680		990
681	sub reattach {	991	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	993	my ($obj) = @_;
		994
		995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		996
685	my $registry = $obj->registry;	997	my $registry = $obj->registry;
686		998
687	@$registry = ();	999	@$registry = ();
688		1000
…		…
735	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
736		1048
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1053	close $fh;
742		1054
743	if (@$objs) {	1055	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1061	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
751	}	1063	}
752	} else {	1064	} else {
753	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
785	or return;	1097	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1099	}
788		1100
789	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1103	return ($data, $av);
792	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
793		1111
794	#############################################################################	1112	#############################################################################
795	# command handling &c	1113	# command handling &c
796		1114
797	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1129	}
812		1130
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1132
815	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.
816		1138
817	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
818	called.	1140	called.
819		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
820	=cut	1153	=cut
821		1154
822	sub register_extcmd {	1155	sub register_extcmd {
823	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
824		1157
825	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
826	}	1165	}
827		1166
828	cf::player->attach (	1167	cf::player->attach (
829	on_command => sub {	1168	on_command => sub {
830	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1178	cf::override;
840	},	1179	},
841	on_extcmd => sub {	1180	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
843		1182
844	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1184
846	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
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
849	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
850	}	1195	if $reply;
851	}	1196	}
852	} else {	1197	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1199	}
855		1200
856	cf::override;	1201	cf::override;
857	},	1202	},
858	);	1203	);
859		1204
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
895	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1210	next unless -r $path;
897	eval {	1211
898	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;
899	1	1269	}
900	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
901	}	1275	};
902	}	1276	}
903		1277
904	#############################################################################	1278	#############################################################################
905		1279
		1280	=back
		1281
906	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
907		1283
908	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
909		1285
910	=cut	1286	=cut
…		…
922	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
923		1299
924	=cut	1300	=cut
925		1301
926	sub playerdir($) {	1302	sub playerdir($) {
927	cf::localdir	1303	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1305	}
933		1306
934	sub path($) {	1307	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1309
937	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
938	}	1311	}
939		1312
940	sub find_active($) {	1313	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
945		1318
946	sub exists($) {	1319	sub exists($) {
947	my ($login) = @_;	1320	my ($login) = @_;
948		1321
949	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
951	}	1324	}
952		1325
953	sub find($) {	1326	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1328	my $login = $_[0];
956		1329
957	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
958		1331
959	$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
960	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
961	or return;	1341	or return;
962	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
963	}	1343	}
964	}	1344	}
…		…
1001		1381
1002	=cut	1382	=cut
1003		1383
1004	sub quit_character {	1384	sub quit_character {
1005	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1006		1388
1007	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1008	$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
1009		1391
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1019	$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
1020	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;
1021	}	1423	}
1022		1424
1023	=item cf::player::list_logins	1425	=item cf::player::list_logins
1024		1426
1025	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
1026	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1027		1429
1028	=cut	1430	=cut
1029		1431
1030	sub list_logins {	1432	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1434	or return [];
1033		1435
1034	my @logins;	1436	my @logins;
1035		1437
1036	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1053	=cut	1455	=cut
1054		1456
1055	sub maps($) {	1457	sub maps($) {
1056	my ($pl) = @_;	1458	my ($pl) = @_;
1057		1459
		1460	$pl = ref $pl ? $pl->ob->name : $pl;
		1461
1058	my $files = aio_readdir playerdir $pl	1462	my $files = aio_readdir playerdir $pl
1059	or return;	1463	or return;
1060		1464
1061	my @paths;	1465	my @paths;
1062		1466
1063	for (@$files) {	1467	for (@$files) {
1064	utf8::decode $_;	1468	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1469	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1470	next unless /^$PATH_SEP/o;
1067		1471
1068	s/\.map$//;	1472	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1473	}
1071		1474
1072	\@paths	1475	\@paths
1073	}	1476	}
1074		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
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1076		1529
1077	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1078		1531
1079	=cut	1532	=cut
1080		1533
1081	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1083		1536
1084	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1085		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1086	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1087	}	1544	}
1088		1545
1089	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		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	}
1090		1586
1091	=back	1587	=back
1092
1093		1588
1094	=head3 cf::map	1589	=head3 cf::map
1095		1590
1096	=over 4	1591	=over 4
1097		1592
…		…
1101		1596
1102	use Fcntl;	1597	use Fcntl;
1103	use Coro::AIO;	1598	use Coro::AIO;
1104		1599
1105	use overload	1600	use overload
1106	'""' => \&as_string;	1601	'""' => \&as_string,
		1602	fallback => 1;
1107		1603
1108	our $MAX_RESET = 3600;	1604	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1605	our $DEFAULT_RESET = 3000;
1110		1606
1111	sub generate_random_map {	1607	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1608	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1609	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1610	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1622	)
1128	}	1623	}
1129		1624
		1625	=item cf::map->register ($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
1130	sub register {	1633	sub register {
1131	my (undef, $regex) = @_;	1634	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1635	my $pkg = caller;
1133		1636
1134	no strict;	1637	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1638	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1639
1137	$EXT_MAP{$pkg} = qr<$regex>;	1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1641	}
1139		1642
1140	# also paths starting with '/'	1643	# also paths starting with '/'
1141	$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	}
1142		1655
1143	sub normalise {	1656	sub normalise {
1144	my ($path, $base) = @_;	1657	my ($path, $base) = @_;
		1658
		1659	$path = "$path"; # make sure its a string
		1660
		1661	$path =~ s/\.map$//;
1145		1662
1146	# map plan:	1663	# map plan:
1147	#	1664	#
1148	# /! non-realised random map exit (special hack!)	1665	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1666	# {... are special paths that are not being touched
…		…
1177		1694
1178	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
1179		1696
1180	$path = normalise $path, $base;	1697	$path = normalise $path, $base;
1181		1698
1182	for my $pkg (keys %EXT_MAP) {	1699	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1700	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1701	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1702	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1187	return $self;	1704	return $self;
1188	}	1705	}
1189	}	1706	}
1190		1707
1191	Carp::carp "unable to resolve path '$path'.";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1709	()
1193	}	1710	}
1194		1711
1195	sub init {	1712	sub init {
1196	my ($self) = @_;	1713	my ($self) = @_;
…		…
1211		1728
1212	# the original (read-only) location	1729	# the original (read-only) location
1213	sub load_path {	1730	sub load_path {
1214	my ($self) = @_;	1731	my ($self) = @_;
1215		1732
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1217	}	1734	}
1218		1735
1219	# the temporary/swap location	1736	# the temporary/swap location
1220	sub save_path {	1737	sub save_path {
1221	my ($self) = @_;	1738	my ($self) = @_;
1222		1739
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1225	}	1742	}
1226		1743
1227	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1228	sub uniq_path {	1745	sub uniq_path {
1229	my ($self) = @_;	1746	my ($self) = @_;
1230		1747
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1233	}	1750	}
1234		1751
1235	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1236	# all maps in C++...	1753	# all maps in C++...
1237	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1239		1756
1240	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1242	}	1759	}
1243		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
1244	sub unlink_save {	1769	sub unlink_save {
1245	my ($self) = @_;	1770	my ($self) = @_;
1246		1771
1247	utf8::encode (my $save = $self->save_path);	1772	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1774	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1775	}
1251		1776
1252	sub load_header_from($) {	1777	sub load_header_from($) {
1253	my ($self, $path) = @_;	1778	my ($self, $path) = @_;
1254		1779
1255	utf8::encode $path;	1780	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1781	#aio_open $path, O_RDONLY, 0
1257	or return;	1782	# or return;
1258		1783
1259	$self->_load_header ($path)	1784	$self->_load_header ($path)
1260	or return;	1785	or return;
1261		1786
1262	$self->{load_path} = $path;	1787	$self->{load_path} = $path;
1263		1788
1264	1	1789	1
1265	}	1790	}
1266		1791
1267	sub load_orig {	1792	sub load_header_orig {
1268	my ($self) = @_;	1793	my ($self) = @_;
1269		1794
1270	$self->load_header_from ($self->load_path)	1795	$self->load_header_from ($self->load_path)
1271	}	1796	}
1272		1797
1273	sub load_temp {	1798	sub load_header_temp {
1274	my ($self) = @_;	1799	my ($self) = @_;
1275		1800
1276	$self->load_header_from ($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	$self->instantiate;
1277	}	1821	}
1278		1822
1279	sub load_header {	1823	sub load_header {
1280	my ($self) = @_;	1824	my ($self) = @_;
1281		1825
1282	if ($self->load_temp) {	1826	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1827	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1828	} else {
1289	$self->load_orig	1829	$self->load_header_orig
1290	or return;	1830	or return;
1291		1831	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	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;
1297		1839
1298	1	1840	1
1299	}	1841	}
1300		1842
1301	sub find;	1843	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1315		1857
1316	$map->load_header	1858	$map->load_header
1317	or return;	1859	or return;
1318		1860
1319	if ($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;
1320	$map->reset;	1864	$map->reset;
1321	undef $guard;	1865	undef $guard;
1322	$map = find $path	1866	return find $path;
1323	or return;
1324	}	1867	}
1325		1868
1326	$cf::MAP{$path} = $map	1869	$cf::MAP{$path} = $map
1327	}	1870	}
1328	}	1871	}
		1872
		1873	sub pre_load { }
		1874	sub post_load { }
1329		1875
1330	sub load {	1876	sub load {
1331	my ($self) = @_;	1877	my ($self) = @_;
1332		1878
		1879	local $self->{deny_reset} = 1; # loading can take a long time
		1880
1333	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1335		1885
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1887
1338	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1339		1889
1340	$self->alloc;	1890	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1891
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1892	$self->pre_load;
1345	if delete $self->{load_original};
1346
1347	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {
1350	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);
1352	}
1353	}
1354
1355	Coro::cede;
1356
1357	# now do the right thing for maps
1358	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;	1893	Coro::cede;
1365	$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;
1366	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1913	unless $self->difficulty;
1368	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($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;
1369	$self->activate;	1923	$self->activate;
1370	}	1924	}
1371		1925
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1926	$self->in_memory (cf::MAP_IN_MEMORY);
		1927	}
		1928
		1929	$self->post_load;
1373	}	1930	}
1374		1931
1375	sub customise_for {	1932	sub customise_for {
1376	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1377		1934
1378	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1380		1940
1381	$self	1941	$self
1382	}	1942	}
1383		1943
1384	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
…		…
1416		1976
1417	cf::sync_job { $map->load };	1977	cf::sync_job { $map->load };
1418	}	1978	}
1419		1979
1420	our %MAP_PREFETCH;	1980	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1981	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1982
1434	sub find_async {	1983	sub find_async {
1435	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1436		1985
1437	$path = normalise $path, $origin && $origin->{path};	1986	$path = normalise $path, $origin && $origin->{path};
1438		1987
1439	if (my $map = $cf::MAP{$path}) {	1988	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	1990	}
1442		1991
1443	$MAP_PREFETCH{$path} = 0;	1992	undef $MAP_PREFETCH{$path};
		1993	$MAP_PREFETCHER ||= cf::async {
		1994	while (%MAP_PREFETCH) {
		1995	for my $path (keys %MAP_PREFETCH) {
		1996	if (my $map = find $path) {
		1997	$map->load;
		1998	}
		1999
		2000	delete $MAP_PREFETCH{$path};
		2001	}
		2002	}
		2003	undef $MAP_PREFETCHER;
		2004	};
1444	$MAP_PREFETCHER->ready;	2005	$MAP_PREFETCHER->prio (6);
1445		2006
1446	()	2007	()
1447	}	2008	}
1448		2009
1449	sub save {	2010	sub save {
…		…
1494		2055
1495	sub reset_at {	2056	sub reset_at {
1496	my ($self) = @_;	2057	my ($self) = @_;
1497		2058
1498	# TODO: safety, remove and allow resettable per-player maps	2059	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2060	return 1e99 if $self->{deny_reset};
1501		2061
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2064
…		…
1509	my ($self) = @_;	2069	my ($self) = @_;
1510		2070
1511	$self->reset_at <= $cf::RUNTIME	2071	$self->reset_at <= $cf::RUNTIME
1512	}	2072	}
1513		2073
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2074	sub reset {
1529	my ($self) = @_;	2075	my ($self) = @_;
1530		2076
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2078
1533	return if $self->players;	2079	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2080
1536	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
		2082
		2083	$self->in_memory (cf::MAP_SWAPPED);
		2084
		2085	# need to save uniques path
		2086	unless ($self->{deny_save}) {
		2087	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2088
		2089	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2090	if $uniq;
		2091	}
1537		2092
1538	delete $cf::MAP{$self->path};	2093	delete $cf::MAP{$self->path};
1539		2094
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	2095	$self->clear;
1542		2096
1543	$_->clear_links_to ($self) for values %cf::MAP;	2097	$_->clear_links_to ($self) for values %cf::MAP;
1544		2098
1545	$self->unlink_save;	2099	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	2103	my $nuke_counter = "aaaa";
1550		2104
1551	sub nuke {	2105	sub nuke {
1552	my ($self) = @_;	2106	my ($self) = @_;
1553		2107
		2108	delete $cf::MAP{$self->path};
		2109
		2110	$self->unlink_save;
		2111
		2112	bless $self, "cf::map";
		2113	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2114	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2115	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2117
		2118	$cf::MAP{$self->path} = $self;
		2119
1557	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
		2121	}
		2122
		2123	=item $maps = cf::map::tmp_maps
		2124
		2125	Returns an arrayref with all map paths of currently instantiated and saved
		2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
		2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
		2140
		2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
1558	}	2157	}
1559		2158
1560	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1561		2160
1562	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2162	instantiated unique items. May block.
1564		2163
1565	=cut	2164	=cut
1566		2165
1567	sub unique_maps() {	2166	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1569	or return;	2168	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2169	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2170	/\.map$/
1579	push @paths, $_;	2171	? normalise $_
		2172	: ()
		2173	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2174	]
1581
1582	\@paths
1583	}	2175	}
1584		2176
1585	package cf;	2177	package cf;
1586		2178
1587	=back	2179	=back
…		…
1633		2225
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2227
1636	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1638	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1641	}	2242	}
1642	}	2243	}
1643		2244
1644	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1645		2246
…		…
1678	=cut	2279	=cut
1679		2280
1680	sub link_map {	2281	sub link_map {
1681	unless ($LINK_MAP) {	2282	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2283	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2284	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2285	$LINK_MAP->load;
1685	}	2286	}
1686		2287
1687	$LINK_MAP	2288	$LINK_MAP
1688	}	2289	}
…		…
1693	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1694		2295
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2297
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1699		2300
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2302	}
1702		2303
1703	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1705		2308
1706	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1707		2310
1708	unless ($map) {	2311	unless ($map) {
1709	# restore original map position	2312	# restore original map position
…		…
1727	$map->load;	2330	$map->load;
1728	$map->load_diag;	2331	$map->load_diag;
1729		2332
1730	return unless $self->contr->active;	2333	return unless $self->contr->active;
1731	$self->activate_recursive;	2334	$self->activate_recursive;
		2335
		2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1733	}	2338	}
1734		2339
1735	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2341
1739	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1743	};	2346	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2347
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1770		2351
1771	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
		2354
		2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2357
1774	$self->enter_link;	2358	$self->enter_link;
1775		2359
1776	(async {	2360	(async {
		2361	my $map = eval {
1777	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
1779		2366	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2367	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
1784		2370
		2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
		2377	}
		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1786	})->prio (1);	2385	})->prio (1);
1787	}	2386	}
1788		2387
1789	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1790		2389
…		…
1792		2391
1793	sub parse_random_map_params {	2392	sub parse_random_map_params {
1794	my ($spec) = @_;	2393	my ($spec) = @_;
1795		2394
1796	my $rmp = { # defaults	2395	my $rmp = { # defaults
1797	xsize => 10,	2396	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2397	ysize => (cf::rndm 15, 40),
		2398	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2399	#layout => string,
1799	};	2400	};
1800		2401
1801	for (split /\n/, $spec) {	2402	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2403	my ($k, $v) = split /\s+/, $_, 2;
1803		2404
…		…
1807	$rmp	2408	$rmp
1808	}	2409	}
1809		2410
1810	sub prepare_random_map {	2411	sub prepare_random_map {
1811	my ($exit) = @_;	2412	my ($exit) = @_;
		2413
		2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2415
1813	# all this does is basically replace the /! path by	2416	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2417	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2418	# that depends on the exit object
1816		2419
1817	my $rmp = parse_random_map_params $exit->msg;	2420	my $rmp = parse_random_map_params $exit->msg;
1818		2421
1819	if ($exit->map) {	2422	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2423	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2424	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2425	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2426	$rmp->{origin_y} = $exit->y;
1824	}	2427	}
1825		2428
1826	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1827		2430
1828	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
		2433	my $meta = "$RANDOMDIR/$md5.meta";
1830		2434
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
		2437	undef $fh;
		2438	aio_rename "$meta~", $meta;
1833		2439
1834	$exit->slaying ("?random/$md5");	2440	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2441	$exit->msg (undef);
1836	}	2442	}
1837	}	2443	}
…		…
1839	sub cf::object::player::enter_exit {	2445	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2446	my ($self, $exit) = @_;
1841		2447
1842	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1843		2449
		2450	if ($exit->slaying eq "/!") {
		2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2452	# the problem is that $exit might not survive long enough
		2453	# so it needs to be done right now, right here
		2454	cf::sync_job { prepare_random_map $exit };
		2455	}
		2456
		2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2458	my $hp = $exit->stats->hp;
		2459	my $sp = $exit->stats->sp;
		2460
1844	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1845		2466
1846	(async {	2467	(async {
1847	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2469	unless (eval {
1849	prepare_random_map $exit	2470	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2471
1855	1;	2472	1;
1856	}) {	2473	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2475	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2478
1862	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2480	$self->leave_link;
1864	}	2481	}
1865	})->prio (1);	2482	})->prio (1);
…		…
1878		2495
1879	sub cf::client::send_drawinfo {	2496	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2497	my ($self, $text, $flags) = @_;
1881		2498
1882	utf8::encode $text;	2499	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2501	}
1885		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= ~cf::NDI_UNIQUE; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => $channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2533	} else {
		2534	# replace some tags by gcfclient-compatible ones
		2535	for ($msg) {
		2536	1 while
		2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2542	}
		2543
		2544	if ($color >= 0) {
		2545	if (0 && $msg =~ /\[/) {
		2546	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	my $extcmd = $self->extcmd;
		2565
		2566	if ($extcmd == 2) {
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2568	} elsif ($extcmd == 1) { # TODO: remove
		2569	push @msg, msgtype => "event_$type";
		2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2571	}
		2572	}
1886		2573
1887	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
1888		2575
1889	Queues a query to the client, calling the given callback with	2576	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2579
1893	Queries can fail, so check the return code. Or don't, as queries will become	2580	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2581	become reliable at some point in the future.
1895		2582
1896	=cut	2583	=cut
1897		2584
1898	sub cf::client::query {	2585	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2594	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2596
1910	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
1912	}	2601	}
1913		2602
1914	cf::client->attach (	2603	cf::client->attach (
		2604	on_connect => sub {
		2605	my ($ns) = @_;
		2606
		2607	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2608	},
1915	on_reply => sub {	2609	on_reply => sub {
1916	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
1917		2611
1918	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
1919	# get handled first	2613	# get handled first
1920	my $queue = delete $ns->{query_queue}	2614	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2615	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2616
1923	(shift @$queue)->[1]->($msg);	2617	(shift @$queue)->[1]->($msg);
		2618	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2619
1925	push @{ $ns->{query_queue} }, @$queue;	2620	push @{ $ns->{query_queue} }, @$queue;
1926		2621
1927	if (@{ $ns->{query_queue} } == @$queue) {	2622	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2623	if (@$queue) {
…		…
1930	} else {	2625	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2627	}
1933	}	2628	}
1934	},	2629	},
		2630	on_exticmd => sub {
		2631	my ($ns, $buf) = @_;
		2632
		2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2634
		2635	if (ref $msg) {
		2636	my ($type, $reply, @payload) =
		2637	"ARRAY" eq ref $msg
		2638	? @$msg
		2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2640
		2641	if (my $cb = $EXTICMD{$type}) {
		2642	my @reply = $cb->($ns, @payload);
		2643
		2644	$ns->ext_reply ($reply, @reply)
		2645	if $reply;
		2646	}
		2647	} else {
		2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2649	}
		2650
		2651	cf::override;
		2652	},
1935	);	2653	);
1936		2654
1937	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
1938		2656
1939	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986		2704
1987	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
1988		2706
1989	=pod	2707	=pod
1990		2708
1991	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
1992		2710
1993	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove
		2714
1994	cf::object::player player	2715	cf::object::player
1995	cf::player peaceful	2716	player
1996	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
1997		2723
1998	=cut	2724	=cut
1999		2725
2000	for (	2726	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove)],
2002	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2005	) {	2732	) {
2006	no strict 'refs';	2733	no strict 'refs';
…		…
2077	=back	2804	=back
2078		2805
2079	=cut	2806	=cut
2080		2807
2081	#############################################################################	2808	#############################################################################
		2809	# the server's init and main functions
2082		2810
2083	=head2 EXTENSION DATABASE SUPPORT	2811	sub load_facedata($) {
		2812	my ($path) = @_;
2084		2813
2085	Crossfire maintains a very simple database for extension use. It can	2814	warn "loading facedata from $path\n";
2086	currently store anything that can be serialised using Storable, which
2087	excludes objects.
2088		2815
2089	The parameter C<$family> should best start with the name of the extension	2816	my $facedata;
2090	using it, it should be unique.	2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
2091		2819
2092	=over 4	2820	$facedata = Coro::Storable::thaw $facedata;
2093		2821
2094	=item $hashref = cf::db_get $family	2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
2095		2824
2096	Return a hashref for use by the extension C<$family>, which can be
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099
2100	=item $value = cf::db_get $family => $key
2101
2102	Returns a single value from the database
2103
2104	=item cf::db_put $family => $hashref
2105
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}	2825	{
		2826	my $faces = $facedata->{faceinfo};
2132		2827
2133	my $pid;	2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2134		2834
2135	sub db_save() {	2835	cf::cede_to_tick;
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});
2155
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}
2160
2161	sub db_get($;$) {
2162	@_ >= 2
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166
2167	sub db_put($$;$) {
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2836	}
2181	);
2182	}
2183		2837
2184	#############################################################################	2838	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	my $soundconf = delete $res->{"res/sound.conf"};
		2871
		2872	while (my ($name, $info) = each %$res) {
		2873	my $meta = $enc->encode ({
		2874	name => $name,
		2875	%{ $info->{meta} || {} },
		2876	});
		2877
		2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2879
		2880	if ($info->{type} & 1) {
		2881	# prepend meta info
		2882
		2883	my $data = pack "(w/a*)*", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_data $idx, 0, $data, $chk;
		2887	} else {
		2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2889	}
		2890
		2891	cf::face::set_type $idx, $info->{type};
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895
		2896	if ($soundconf) {
		2897	$soundconf = $enc->decode (delete $soundconf->{data});
		2898
		2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2900	my $sound = $soundconf->{compat}[$_]
		2901	or next;
		2902
		2903	my $face = cf::face::find "sound/$sound->[1]";
		2904
		2905	cf::sound::set $sound->[0] => $face;
		2906	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2907	}
		2908
		2909	#TODO
		2910	}
		2911	}
		2912
		2913	1
		2914	}
		2915
		2916	register_exticmd fx_want => sub {
		2917	my ($ns, $want) = @_;
		2918
		2919	while (my ($k, $v) = each %$want) {
		2920	$ns->fx_want ($k, $v);
		2921	}
		2922	};
		2923
		2924	sub reload_regions {
		2925	load_resource_file "$MAPDIR/regions"
		2926	or die "unable to load regions file\n";
		2927
		2928	for (cf::region::list) {
		2929	$_->{match} = qr/$_->{match}/
		2930	if exists $_->{match};
		2931	}
		2932	}
		2933
		2934	sub reload_facedata {
		2935	load_facedata "$DATADIR/facedata"
		2936	or die "unable to load facedata\n";
		2937	}
		2938
		2939	sub reload_archetypes {
		2940	load_resource_file "$DATADIR/archetypes"
		2941	or die "unable to load archetypes\n";
		2942	#d# NEED to laod twice to resolve forward references
		2943	# this really needs to be done in an extra post-pass
		2944	# (which needs to be synchronous, so solve it differently)
		2945	load_resource_file "$DATADIR/archetypes"
		2946	or die "unable to load archetypes\n";
		2947	}
		2948
		2949	sub reload_treasures {
		2950	load_resource_file "$DATADIR/treasures"
		2951	or die "unable to load treasurelists\n";
		2952	}
		2953
		2954	sub reload_resources {
		2955	warn "reloading resource files...\n";
		2956
		2957	reload_regions;
		2958	reload_facedata;
		2959	#reload_archetypes;#d#
		2960	reload_archetypes;
		2961	reload_treasures;
		2962
		2963	warn "finished reloading resource files\n";
		2964	}
		2965
		2966	sub init {
		2967	reload_resources;
		2968	}
2186		2969
2187	sub cfg_load {	2970	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	2971	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	2972	or return;
2190		2973
2191	local $/;	2974	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	2975	*CFG = YAML::Syck::Load <$fh>;
2193		2976
…		…
2207		2990
2208	sub main {	2991	sub main {
2209	# we must not ever block the main coroutine	2992	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	2993	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2994	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2995	(async {
2212	async { Event::one_event };	2996	Event::one_event;
		2997	})->prio (Coro::PRIO_MAX);
2213	};	2998	};
2214		2999
2215	cfg_load;	3000	cfg_load;
2216	db_load;	3001	db_init;
2217	load_extensions;	3002	load_extensions;
		3003
		3004	$TICK_WATCHER->start;
2218	Event::loop;	3005	Event::loop;
2219	}	3006	}
2220		3007
2221	#############################################################################	3008	#############################################################################
2222	# initialisation and cleanup	3009	# initialisation and cleanup
2223		3010
2224	# install some emergency cleanup handlers	3011	# install some emergency cleanup handlers
2225	BEGIN {	3012	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3013	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3014	Event->signal (
		3015	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3016	data => WF_AUTOCANCEL,
2229	signal => $signal,	3017	signal => $signal,
		3018	prio => 0,
2230	cb => sub {	3019	cb => sub {
2231	cf::cleanup "SIG$signal";	3020	cf::cleanup "SIG$signal";
2232	},	3021	},
2233	);	3022	);
2234	}	3023	}
		3024	}
		3025
		3026	sub write_runtime {
		3027	my $runtime = "$LOCALDIR/runtime";
		3028
		3029	# first touch the runtime file to show we are still running:
		3030	# the fsync below can take a very very long time.
		3031
		3032	IO::AIO::aio_utime $runtime, undef, undef;
		3033
		3034	my $guard = cf::lock_acquire "write_runtime";
		3035
		3036	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3037	or return;
		3038
		3039	my $value = $cf::RUNTIME + 90 + 10;
		3040	# 10 is the runtime save interval, for a monotonic clock
		3041	# 60 allows for the watchdog to kill the server.
		3042
		3043	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3044	and return;
		3045
		3046	# always fsync - this file is important
		3047	aio_fsync $fh
		3048	and return;
		3049
		3050	# touch it again to show we are up-to-date
		3051	aio_utime $fh, undef, undef;
		3052
		3053	close $fh
		3054	or return;
		3055
		3056	aio_rename "$runtime~", $runtime
		3057	and return;
		3058
		3059	warn "runtime file written.\n";
		3060
		3061	1
2235	}	3062	}
2236		3063
2237	sub emergency_save() {	3064	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3065	my $freeze_guard = cf::freeze_mainloop;
2239		3066
…		…
2256	my $map = $cf::MAP{$path} or next;	3083	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3084	$map->valid or next;
2258	$map->save;	3085	$map->save;
2259	}	3086	}
2260	warn "end emergency map save\n";	3087	warn "end emergency map save\n";
		3088
		3089	warn "begin emergency database checkpoint\n";
		3090	BDB::db_env_txn_checkpoint $DB_ENV;
		3091	warn "end emergency database checkpoint\n";
2261	};	3092	};
2262		3093
2263	warn "leave emergency perl save\n";	3094	warn "leave emergency perl save\n";
2264	}	3095	}
2265		3096
		3097	sub post_cleanup {
		3098	my ($make_core) = @_;
		3099
		3100	warn Carp::longmess "post_cleanup backtrace"
		3101	if $make_core;
		3102	}
		3103
2266	sub reload() {	3104	sub do_reload_perl() {
2267	# can/must only be called in main	3105	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3106	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3107	warn "can only reload from main coroutine";
2270	return;	3108	return;
2271	}	3109	}
2272		3110
2273	warn "reloading...";	3111	warn "reloading...";
2274		3112
2275	warn "freezing server";	3113	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3114
		3115	cf::sync_job {
		3116	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3117	cf::emergency_save;
		3118	cf::write_runtime; # external watchdog should not bark
2278		3119
2279	warn "sync database to disk";	3120	warn "syncing database to disk";
2280	cf::db_sync;	3121	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3122
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3123	# if anything goes wrong in here, we should simply crash as we already saved
2285		3124
2286	warn "cancel all watchers";	3125	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3126	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3127	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3128	}
2290		3129
		3130	warn "flushing outstanding aio requests";
		3131	for (;;) {
		3132	BDB::flush;
		3133	IO::AIO::flush;
		3134	Coro::cede;
		3135	last unless IO::AIO::nreqs || BDB::nreqs;
		3136	warn "iterate...";
		3137	}
		3138
		3139	++$RELOAD;
		3140
2291	warn "cancel all extension coros";	3141	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3142	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3143	%EXT_CORO = ();
2294		3144
2295	warn "remove commands";	3145	warn "removing commands";
2296	%COMMAND = ();	3146	%COMMAND = ();
2297		3147
2298	warn "remove ext commands";	3148	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3149	%EXTCMD = ();
		3150	%EXTICMD = ();
2300		3151
2301	warn "unload/nuke all extensions";	3152	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3153	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3154	warn "... unloading $pkg";
2304		3155
2305	if (my $cb = $pkg->can ("unload")) {	3156	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3157	eval {
…		…
2311		3162
2312	warn "... nuking $pkg";	3163	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3164	Symbol::delete_package $pkg;
2314	}	3165	}
2315		3166
2316	warn "unload all perl modules loaded from $LIBDIR";	3167	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3168	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3169	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3170
2320	warn "removing <$k>";	3171	warn "... unloading $k";
2321	delete $INC{$k};	3172	delete $INC{$k};
2322		3173
2323	$k =~ s/\.pm$//;	3174	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3175	$k =~ s/\//::/g;
2325		3176
…		…
2328	}	3179	}
2329		3180
2330	Symbol::delete_package $k;	3181	Symbol::delete_package $k;
2331	}	3182	}
2332		3183
2333	warn "get rid of safe::, as good as possible";	3184	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3185	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3186	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3187
2337	warn "unload cf.pm \"a bit\"";	3188	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3189	delete $INC{"cf.pm"};
		3190	delete $INC{"cf/pod.pm"};
2339		3191
2340	# don't, removes xs symbols, too,	3192	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3193	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3194	#Symbol::delete_package __PACKAGE__;
2343		3195
		3196	warn "unload completed, starting to reload now";
		3197
2344	warn "reloading cf.pm";	3198	warn "reloading cf.pm";
2345	require cf;	3199	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3200	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3201
2348	warn "load config and database again";	3202	warn "loading config and database again";
2349	cf::cfg_load;	3203	cf::cfg_load;
2350	cf::db_load;
2351		3204
2352	warn "load extensions";	3205	warn "loading extensions";
2353	cf::load_extensions;	3206	cf::load_extensions;
2354		3207
2355	warn "reattach attachments to objects/players";	3208	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3209	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3210	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3211	reattach $_ for values %MAP;
2359	};	3212	warn "reattaching attachments to players";
		3213	reattach $_ for values %PLAYER;
2360		3214
2361	if ($@) {	3215	warn "leaving sync_job";
		3216
		3217	1
		3218	} or do {
2362	warn $@;	3219	warn $@;
2363	warn "error while reloading, exiting.";	3220	warn "error while reloading, exiting.";
2364	exit 1;	3221	exit 1;
2365	}	3222	};
2366		3223
2367	warn "reloaded";	3224	warn "reloaded";
2368	};	3225	};
2369		3226
		3227	our $RELOAD_WATCHER; # used only during reload
		3228
		3229	sub reload_perl() {
		3230	# doing reload synchronously and two reloads happen back-to-back,
		3231	# coro crashes during coro_state_free->destroy here.
		3232
		3233	$RELOAD_WATCHER ||= Event->timer (
		3234	reentrant => 0,
		3235	after => 0,
		3236	data => WF_AUTOCANCEL,
		3237	cb => sub {
		3238	do_reload_perl;
		3239	undef $RELOAD_WATCHER;
		3240	},
		3241	);
		3242	}
		3243
2370	register_command "reload" => sub {	3244	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3245	my ($who, $arg) = @_;
2372		3246
2373	if ($who->flag (FLAG_WIZ)) {	3247	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3248	$who->message ("reloading server.");
		3249	async { reload_perl };
2377	}	3250	}
2378	};	3251	};
2379		3252
2380	unshift @INC, $LIBDIR;	3253	unshift @INC, $LIBDIR;
2381		3254
		3255	my $bug_warning = 0;
		3256
		3257	our @WAIT_FOR_TICK;
		3258	our @WAIT_FOR_TICK_BEGIN;
		3259
		3260	sub wait_for_tick {
		3261	return unless $TICK_WATCHER->is_active;
		3262	return if $Coro::current == $Coro::main;
		3263
		3264	my $signal = new Coro::Signal;
		3265	push @WAIT_FOR_TICK, $signal;
		3266	$signal->wait;
		3267	}
		3268
		3269	sub wait_for_tick_begin {
		3270	return unless $TICK_WATCHER->is_active;
		3271	return if $Coro::current == $Coro::main;
		3272
		3273	my $signal = new Coro::Signal;
		3274	push @WAIT_FOR_TICK_BEGIN, $signal;
		3275	$signal->wait;
		3276	}
		3277
		3278	my $min = 1e6;#d#
		3279	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	3280	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3281	reentrant => 0,
		3282	parked => 1,
2384	prio => 0,	3283	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3284	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3285	data => WF_AUTOCANCEL,
2387	cb => sub {	3286	cb => sub {
		3287	if ($Coro::current != $Coro::main) {
		3288	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3289	unless ++$bug_warning > 10;
		3290	return;
		3291	}
		3292
2388	$NOW = Event::time;	3293	$NOW = $tick_start = Event::time;
2389		3294
2390	cf::server_tick; # one server iteration	3295	cf::server_tick; # one server iteration
		3296
		3297	0 && sync_job {#d#
		3298	for(1..10) {
		3299	my $t = Event::time;
		3300	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3301	or die;
		3302
		3303	$map->width (50);
		3304	$map->height (50);
		3305	$map->alloc;
		3306	$map->_load_objects ("/tmp/x.map", 1);
		3307	my $t = Event::time - $t;
		3308
		3309	#next unless $t < 0.0013;#d#
		3310	if ($t < $min) {
		3311	$min = $t;
		3312	}
		3313	$avg = $avg * 0.99 + $t * 0.01;
		3314	}
		3315	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3316	exit 0;
		3317	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3318	};
		3319
2391	$RUNTIME += $TICK;	3320	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3321	$NEXT_TICK += $TICK;
2393		3322
2394	$WAIT_FOR_TICK->broadcast;	3323	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3324	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3325	Coro::async_pool {
		3326	write_runtime
		3327	or warn "ERROR: unable to write runtime file: $!";
		3328	};
		3329	}
		3330
		3331	# my $AFTER = Event::time;
		3332	# warn $AFTER - $NOW;#d#
		3333
		3334	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3335	$sig->send;
		3336	}
		3337	while (my $sig = shift @WAIT_FOR_TICK) {
		3338	$sig->send;
		3339	}
		3340
		3341	$NOW = Event::time;
2396		3342
2397	# if we are delayed by four ticks or more, skip them all	3343	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3344	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3345
2400	$TICK_WATCHER->at ($NEXT_TICK);	3346	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3347	$TICK_WATCHER->start;
		3348
		3349	$LOAD = ($NOW - $tick_start) / $TICK;
		3350	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3351
		3352	_post_tick;
		3353
		3354
2402	},	3355	},
2403	);	3356	);
2404		3357
		3358	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3359	BDB::max_poll_time $TICK * 0.1;
2406		3360	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3361	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3362	fd => BDB::poll_fileno,
2409	poll => 'r',	3363	poll => 'r',
2410	prio => 5,	3364	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3365	data => WF_AUTOCANCEL,
2417	after => 0,	3366	cb => \&BDB::poll_cb,
2418	interval => 10,	3367	);
2419	cb => sub {	3368	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3369
2421	write_runtime	3370	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3371	my $status;
		3372	my $current = $Coro::current;
		3373	(
		3374	sub {
		3375	$status = $!;
		3376	$current->ready; undef $current;
		3377	},
		3378	sub {
		3379	Coro::schedule while defined $current;
		3380	$! = $status;
		3381	},
		3382	)
		3383	};
		3384
		3385	unless ($DB_ENV) {
		3386	$DB_ENV = BDB::db_env_create;
		3387
		3388	cf::sync_job {
		3389	eval {
		3390	BDB::db_env_open
		3391	$DB_ENV,
		3392	$BDBDIR,
		3393	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3394	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3395	0666;
		3396
		3397	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3398
		3399	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3400	$DB_ENV->set_lk_detect;
		3401	};
		3402
		3403	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3404	};
2424	},	3405	}
2425	);	3406	}
		3407
		3408	{
		3409	IO::AIO::min_parallel 8;
		3410
		3411	undef $Coro::AIO::WATCHER;
		3412	IO::AIO::max_poll_time $TICK * 0.1;
		3413	$AIO_POLL_WATCHER = Event->io (
		3414	reentrant => 0,
		3415	data => WF_AUTOCANCEL,
		3416	fd => IO::AIO::poll_fileno,
		3417	poll => 'r',
		3418	prio => 6,
		3419	cb => \&IO::AIO::poll_cb,
		3420	);
		3421	}
		3422
		3423	my $_log_backtrace;
		3424
		3425	sub _log_backtrace {
		3426	my ($msg, @addr) = @_;
		3427
		3428	$msg =~ s/\n//;
		3429
		3430	# limit the # of concurrent backtraces
		3431	if ($_log_backtrace < 2) {
		3432	++$_log_backtrace;
		3433	async {
		3434	my @bt = fork_call {
		3435	@addr = map { sprintf "%x", $_ } @addr;
		3436	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3437	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3438	or die "addr2line: $!";
		3439
		3440	my @funcs;
		3441	my @res = <$fh>;
		3442	chomp for @res;
		3443	while (@res) {
		3444	my ($func, $line) = splice @res, 0, 2, ();
		3445	push @funcs, "[$func] $line";
		3446	}
		3447
		3448	@funcs
		3449	};
		3450
		3451	LOG llevInfo, "[ABT] $msg\n";
		3452	LOG llevInfo, "[ABT] $_\n" for @bt;
		3453	--$_log_backtrace;
		3454	};
		3455	} else {
		3456	LOG llevInfo, "[ABT] $msg\n";
		3457	LOG llevInfo, "[ABT] [suppressed]\n";
		3458	}
		3459	}
		3460
		3461	# load additional modules
		3462	use cf::pod;
2426		3463
2427	END { cf::emergency_save }	3464	END { cf::emergency_save }
2428		3465
2429	1	3466	1
2430		3467

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