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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.177 by root, Sun Jan 14 22:54:18 2007 UTC vs.
Revision 1.331 by root, Mon Aug 13 13:10:01 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	132	every server tick.
102		133
103	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
127		177
128	=back	178	=back
129		179
130	=cut	180	=cut
131		181
132	BEGIN {	182	BEGIN {
133	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	184	my $msg = join "", @_;
135	utf8::encode $msg;
136		185
137	$msg .= "\n"	186	$msg .= "\n"
138	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
139		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
143		195
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		203
151	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	205	# within the Safe compartment.
153	for my $pkg (qw(	206	for my $pkg (qw(
154	cf::global cf::attachable	207	cf::global cf::attachable
…		…
162	}	215	}
163		216
164	$Event::DIED = sub {	217	$Event::DIED = sub {
165	warn "error in event callback: @_";	218	warn "error in event callback: @_";
166	};	219	};
		220
		221	#############################################################################
167		222
168	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
169		224
170	=over 4	225	=over 4
171		226
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	246	$d
192	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
193	}	248	}
194		249
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
198		251
199	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
200		253
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
209		255
210	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
211		257
212	=cut	258	=cut
213		259
214	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
216	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
218		264
219	=item cf::lock_wait $string	265	=item cf::lock_wait $string
220		266
221	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
222		268
…		…
228	returned.	274	returned.
229		275
230	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
232		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
233	=cut	283	=cut
234		284
235	our %LOCK;	285	our %LOCK;
236		286
237	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
258	}	308	}
259	}	309	}
260		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
261	sub freeze_mainloop {	317	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
263		319
264	my $guard = Coro::guard {	320	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	322	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
270	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
271	}	381	}
272		382
273	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
274		384
275	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		390
281	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
282		392
283	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
284		394
285	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
288		399
289	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
292	fast or be very important.	403	fast or be very important.
…		…
295		406
296	sub sync_job(&) {	407	sub sync_job(&) {
297	my ($job) = @_;	408	my ($job) = @_;
298		409
299	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
300	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
302		415
303	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
315		428
316	while ($busy) {	429	while ($busy) {
317	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
318	}	431	}
319		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
320	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
321	} else {	441	} else {
322	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
323		443
324	$job->()	444	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
344		464
345	$coro	465	$coro
346	}	466	}
347		467
348	sub write_runtime {	468	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		469
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
352	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
353		474
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	475	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		476
358	aio_fsync $fh	477	sub _store_scalar {
359	and return;	478	open my $fh, ">", \my $buf
360		479	or die "fork_call: cannot open fh-to-buf in child : $!";
		480	Storable::store_fd $_[0], $fh;
361	close $fh	481	close $fh;
362	or return;
363		482
364	aio_rename "$runtime~", $runtime	483	$buf
365	and return;	484	}
366		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
367	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	655	}
369		656
370	=back	657	=back
371		658
372	=cut	659	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
381		668
382	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	671	Crossfire TRT).
385		672
386	=over 4	673	=over 4
387		674
388	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
389		676
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
553		840
554	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		845
559	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	847	my $pkg = shift @arg;
561		848
562	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
592	}	879	}
593		880
594	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
595	} else {	882	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	884	}
598		885
599	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
600	}	887	}
601		888
…		…
603	if (ref $_[0]) {	890	if (ref $_[0]) {
604	_object_attach @_;	891	_object_attach @_;
605	} else {	892	} else {
606	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
607	}	894	}
		895	_recalc_want;
608	};	896	};
609		897
610	# all those should be optimised	898	# all those should be optimised
611	sub cf::attachable::detach {	899	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
616	reattach ($obj);	904	reattach ($obj);
617	} else {	905	} else {
618	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
619	}	907	}
		908	_recalc_want;
620	};	909	};
621		910
622	sub cf::attachable::attached {	911	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
624		913
…		…
639	";	928	";
640	die if $@;	929	die if $@;
641	}	930	}
642		931
643	our $override;	932	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		934
646	sub override {	935	sub override {
647	$override = 1;	936	$override = 1;
648	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
649	}	938	}
650		939
651	sub do_invoke {	940	sub do_invoke {
652	my $event = shift;	941	my $event = shift;
653	my $callbacks = shift;	942	my $callbacks = shift;
654		943
655	@invoke_results = ();	944	@INVOKE_RESULTS = ();
656		945
657	local $override;	946	local $override;
658		947
659	for (@$callbacks) {	948	for (@$callbacks) {
660	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
677		966
678	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
679		968
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		972
684	=back	973	=back
685		974
686	=cut	975	=cut
687		976
688	#############################################################################	977	#############################################################################
689	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
690		990
691	sub reattach {	991	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	993	my ($obj) = @_;
694		994
…		…
747	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
748		1048
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1053	close $fh;
754		1054
755	if (@$objs) {	1055	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1061	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
763	}	1063	}
764	} else {	1064	} else {
765	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
797	or return;	1097	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1099	}
800		1100
801	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1103	return ($data, $av);
804	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
805		1111
806	#############################################################################	1112	#############################################################################
807	# command handling &c	1113	# command handling &c
808		1114
809	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1129	}
824		1130
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1132
827	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
828		1138
829	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
830	called.	1140	called.
831		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
832	=cut	1153	=cut
833		1154
834	sub register_extcmd {	1155	sub register_extcmd {
835	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
836		1157
837	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
838	}	1165	}
839		1166
840	cf::player->attach (	1167	cf::player->attach (
841	on_command => sub {	1168	on_command => sub {
842	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1178	cf::override;
852	},	1179	},
853	on_extcmd => sub {	1180	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
855		1182
856	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1184
858	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
861	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
862	}	1195	if $reply;
863	}	1196	}
864	} else {	1197	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1199	}
867		1200
868	cf::override;	1201	cf::override;
869	},	1202	},
870	);	1203	);
871		1204
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
907	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1210	next unless -r $path;
909	eval {	1211
910	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
911	1	1269	}
912	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
913	}	1275	};
914	}	1276	}
915		1277
916	#############################################################################	1278	#############################################################################
917		1279
		1280	=back
		1281
918	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
919		1283
920	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
921		1285
922	=cut	1286	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
935		1299
936	=cut	1300	=cut
937		1301
938	sub playerdir($) {	1302	sub playerdir($) {
939	cf::localdir	1303	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1305	}
945		1306
946	sub path($) {	1307	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1309
949	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
950	}	1311	}
951		1312
952	sub find_active($) {	1313	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
957		1318
958	sub exists($) {	1319	sub exists($) {
959	my ($login) = @_;	1320	my ($login) = @_;
960		1321
961	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
963	}	1324	}
964		1325
965	sub find($) {	1326	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1328	my $login = $_[0];
968		1329
969	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
970		1331
971	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
972	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
973	or return;	1341	or return;
974	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
975	}	1343	}
976	}	1344	}
…		…
1004	$cf::PLAYER{$login} = $self;	1372	$cf::PLAYER{$login} = $self;
1005		1373
1006	$self	1374	$self
1007	}	1375	}
1008		1376
		1377	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1378
		1379	=cut
		1380
		1381	sub send_msg {
		1382	my $ns = shift->ns
		1383	or return;
		1384	$ns->send_msg (@_);
		1385	}
		1386
1009	=item $pl->quit_character	1387	=item $pl->quit_character
1010		1388
1011	Nukes the player without looking back. If logged in, the connection will	1389	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1390	be destroyed. May block for a long time.
1013		1391
1014	=cut	1392	=cut
1015		1393
1016	sub quit_character {	1394	sub quit_character {
1017	my ($pl) = @_;	1395	my ($pl) = @_;
		1396
		1397	my $name = $pl->ob->name;
1018		1398
1019	$pl->{deny_save} = 1;	1399	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1400	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1401
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1407	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1408	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1409	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1410	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1411	$pl->destroy;
		1412
		1413	my $prefix = qr<^~\Q$name\E/>;
		1414
		1415	# nuke player maps
		1416	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1417
1032	IO::AIO::aio_rmtree $temp;	1418	IO::AIO::aio_rmtree $temp;
		1419	}
		1420
		1421	=item $pl->kick
		1422
		1423	Kicks a player out of the game. This destroys the connection.
		1424
		1425	=cut
		1426
		1427	sub kick {
		1428	my ($pl, $kicker) = @_;
		1429
		1430	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1431	$pl->killer ("kicked");
		1432	$pl->ns->destroy;
1033	}	1433	}
1034		1434
1035	=item cf::player::list_logins	1435	=item cf::player::list_logins
1036		1436
1037	Returns am arrayref of all valid playernames in the system, can take a	1437	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1438	while and may block, so not sync_job-capable, ever.
1039		1439
1040	=cut	1440	=cut
1041		1441
1042	sub list_logins {	1442	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1443	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1444	or return [];
1045		1445
1046	my @logins;	1446	my @logins;
1047		1447
1048	for my $login (@$dirs) {	1448	for my $login (@$dirs) {
…		…
1065	=cut	1465	=cut
1066		1466
1067	sub maps($) {	1467	sub maps($) {
1068	my ($pl) = @_;	1468	my ($pl) = @_;
1069		1469
		1470	$pl = ref $pl ? $pl->ob->name : $pl;
		1471
1070	my $files = aio_readdir playerdir $pl	1472	my $files = aio_readdir playerdir $pl
1071	or return;	1473	or return;
1072		1474
1073	my @paths;	1475	my @paths;
1074		1476
1075	for (@$files) {	1477	for (@$files) {
1076	utf8::decode $_;	1478	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1479	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1480	next unless /^$PATH_SEP/o;
1079		1481
1080	s/\.map$//;	1482	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1483	}
1083		1484
1084	\@paths	1485	\@paths
1085	}	1486	}
1086		1487
		1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1489
		1490	Expand crossfire pod fragments into protocol xml.
		1491
		1492	=cut
		1493
		1494	sub expand_cfpod {
		1495	((my $self), (local $_)) = @_;
		1496
		1497	# escape & and <
		1498	s/&/&amp;/g;
		1499	s/(?<![BIUGH])</&lt;/g;
		1500
		1501	# this is buggy, it needs to properly take care of nested <'s
		1502
		1503	1 while
		1504	# replace B<>, I<>, U<> etc.
		1505	s/B<([^\>]*)>/<b>$1<\/b>/
		1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1508	# replace G<male|female> tags
		1509	|| s{G<([^>|]*)\|([^>]*)>}{
		1510	$self->gender ? $2 : $1
		1511	}ge
		1512	# replace H<hint text>
		1513	|| s{H<([^\>]*)>}
		1514	{
		1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1517	"")
		1518	[$self->{hintmode}]
		1519	}ge;
		1520
		1521	# create single paragraphs (very hackish)
		1522	s/(?<=\S)\n(?=\w)/ /g;
		1523
		1524	# compress some whitespace
		1525	s/\s+\n/\n/g; # ws line-ends
		1526	s/\n\n+/\n/g; # double lines
		1527	s/^\n+//; # beginning lines
		1528	s/\n+$//; # ending lines
		1529
		1530	$_
		1531	}
		1532
		1533	sub hintmode {
		1534	$_[0]{hintmode} = $_[1] if @_ > 1;
		1535	$_[0]{hintmode}
		1536	}
		1537
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1538	=item $player->ext_reply ($msgid, @msg)
1088		1539
1089	Sends an ext reply to the player.	1540	Sends an ext reply to the player.
1090		1541
1091	=cut	1542	=cut
1092		1543
1093	sub ext_reply($$$%) {	1544	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1545	my ($self, $id, @msg) = @_;
1095		1546
1096	$msg{msgid} = $id;	1547	if ($self->ns->extcmd == 2) {
1097		1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1098	$self->send ("ext " . cf::to_json \%msg);	1549	} elsif ($self->ns->extcmd == 1) {
		1550	#TODO: version 1, remove
		1551	unshift @msg, msgtype => "reply", msgid => $id;
		1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1553	}
1099	}	1554	}
1100		1555
1101	package cf;	1556	=item $player->ext_msg ($type, @msg)
		1557
		1558	Sends an ext event to the client.
		1559
		1560	=cut
		1561
		1562	sub ext_msg($$@) {
		1563	my ($self, $type, @msg) = @_;
		1564
		1565	$self->ns->ext_msg ($type, @msg);
		1566	}
		1567
		1568	=head3 cf::region
		1569
		1570	=over 4
		1571
		1572	=cut
		1573
		1574	package cf::region;
		1575
		1576	=item cf::region::find_by_path $path
		1577
		1578	Tries to decuce the likely region for a map knowing only its path.
		1579
		1580	=cut
		1581
		1582	sub find_by_path($) {
		1583	my ($path) = @_;
		1584
		1585	my ($match, $specificity);
		1586
		1587	for my $region (list) {
		1588	if ($region->{match} && $path =~ $region->{match}) {
		1589	($match, $specificity) = ($region, $region->specificity)
		1590	if $region->specificity > $specificity;
		1591	}
		1592	}
		1593
		1594	$match
		1595	}
1102		1596
1103	=back	1597	=back
1104
1105		1598
1106	=head3 cf::map	1599	=head3 cf::map
1107		1600
1108	=over 4	1601	=over 4
1109		1602
…		…
1121	our $MAX_RESET = 3600;	1614	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1615	our $DEFAULT_RESET = 3000;
1123		1616
1124	sub generate_random_map {	1617	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1618	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1619	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1620	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1630	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1631	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1632	)
1141	}	1633	}
1142		1634
		1635	=item cf::map->register ($regex, $prio)
		1636
		1637	Register a handler for the map path matching the given regex at the
		1638	givne priority (higher is better, built-in handlers have priority 0, the
		1639	default).
		1640
		1641	=cut
		1642
1143	sub register {	1643	sub register {
1144	my (undef, $regex) = @_;	1644	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1645	my $pkg = caller;
1146		1646
1147	no strict;	1647	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1648	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1649
1150	$EXT_MAP{$pkg} = qr<$regex>;	1650	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1651	}
1152		1652
1153	# also paths starting with '/'	1653	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1654	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1655
1156	sub thawer_merge {	1656	sub thawer_merge {
1157	my ($self, $merge) = @_;	1657	my ($self, $merge) = @_;
1158		1658
1159	# we have to keep some variables in memory intact	1659	# we have to keep some variables in memory intact
1160	local $self->{path};	1660	local $self->{path};
1161	local $self->{load_path};	1661	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1662
1165	$self->SUPER::thawer_merge ($merge);	1663	$self->SUPER::thawer_merge ($merge);
1166	}	1664	}
1167		1665
1168	sub normalise {	1666	sub normalise {
1169	my ($path, $base) = @_;	1667	my ($path, $base) = @_;
		1668
		1669	$path = "$path"; # make sure its a string
		1670
		1671	$path =~ s/\.map$//;
1170		1672
1171	# map plan:	1673	# map plan:
1172	#	1674	#
1173	# /! non-realised random map exit (special hack!)	1675	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1676	# {... are special paths that are not being touched
…		…
1202		1704
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1705	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1706
1205	$path = normalise $path, $base;	1707	$path = normalise $path, $base;
1206		1708
1207	for my $pkg (keys %EXT_MAP) {	1709	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1710	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1711	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1712	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1713	$self->init; # pass $1 etc.
1212	return $self;	1714	return $self;
1213	}	1715	}
1214	}	1716	}
1215		1717
1216	Carp::carp "unable to resolve path '$path'.";	1718	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1719	()
1218	}	1720	}
1219		1721
1220	sub init {	1722	sub init {
1221	my ($self) = @_;	1723	my ($self) = @_;
…		…
1236		1738
1237	# the original (read-only) location	1739	# the original (read-only) location
1238	sub load_path {	1740	sub load_path {
1239	my ($self) = @_;	1741	my ($self) = @_;
1240		1742
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1743	"$MAPDIR/$self->{path}.map"
1242	}	1744	}
1243		1745
1244	# the temporary/swap location	1746	# the temporary/swap location
1245	sub save_path {	1747	sub save_path {
1246	my ($self) = @_;	1748	my ($self) = @_;
1247		1749
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1751	"$TMPDIR/$path.map"
1250	}	1752	}
1251		1753
1252	# the unique path, undef == no special unique path	1754	# the unique path, undef == no special unique path
1253	sub uniq_path {	1755	sub uniq_path {
1254	my ($self) = @_;	1756	my ($self) = @_;
1255		1757
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1759	"$UNIQUEDIR/$path"
1258	}	1760	}
1259		1761
1260	# and all this just because we cannot iterate over	1762	# and all this just because we cannot iterate over
1261	# all maps in C++...	1763	# all maps in C++...
1262	sub change_all_map_light {	1764	sub change_all_map_light {
…		…
1264		1766
1265	$_->change_map_light ($change)	1767	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1768	for grep $_->outdoor, values %cf::MAP;
1267	}	1769	}
1268		1770
		1771	sub decay_objects {
		1772	my ($self) = @_;
		1773
		1774	return if $self->{deny_reset};
		1775
		1776	$self->do_decay_objects;
		1777	}
		1778
1269	sub unlink_save {	1779	sub unlink_save {
1270	my ($self) = @_;	1780	my ($self) = @_;
1271		1781
1272	utf8::encode (my $save = $self->save_path);	1782	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1783	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1786
1277	sub load_header_from($) {	1787	sub load_header_from($) {
1278	my ($self, $path) = @_;	1788	my ($self, $path) = @_;
1279		1789
1280	utf8::encode $path;	1790	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1791	#aio_open $path, O_RDONLY, 0
1282	or return;	1792	# or return;
1283		1793
1284	$self->_load_header ($path)	1794	$self->_load_header ($path)
1285	or return;	1795	or return;
1286		1796
1287	$self->{load_path} = $path;	1797	$self->{load_path} = $path;
1288		1798
1289	1	1799	1
1290	}	1800	}
1291		1801
1292	sub load_orig {	1802	sub load_header_orig {
1293	my ($self) = @_;	1803	my ($self) = @_;
1294		1804
1295	$self->load_header_from ($self->load_path)	1805	$self->load_header_from ($self->load_path)
1296	}	1806	}
1297		1807
1298	sub load_temp {	1808	sub load_header_temp {
1299	my ($self) = @_;	1809	my ($self) = @_;
1300		1810
1301	$self->load_header_from ($self->save_path)	1811	$self->load_header_from ($self->save_path)
		1812	}
		1813
		1814	sub prepare_temp {
		1815	my ($self) = @_;
		1816
		1817	$self->last_access ((delete $self->{last_access})
		1818	|| $cf::RUNTIME); #d#
		1819	# safety
		1820	$self->{instantiate_time} = $cf::RUNTIME
		1821	if $self->{instantiate_time} > $cf::RUNTIME;
		1822	}
		1823
		1824	sub prepare_orig {
		1825	my ($self) = @_;
		1826
		1827	$self->{load_original} = 1;
		1828	$self->{instantiate_time} = $cf::RUNTIME;
		1829	$self->last_access ($cf::RUNTIME);
		1830	$self->instantiate;
1302	}	1831	}
1303		1832
1304	sub load_header {	1833	sub load_header {
1305	my ($self) = @_;	1834	my ($self) = @_;
1306		1835
1307	if ($self->load_temp) {	1836	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1837	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1838	} else {
1314	$self->load_orig	1839	$self->load_header_orig
1315	or return;	1840	or return;
1316		1841	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1842	}
		1843
		1844	$self->{deny_reset} = 1
		1845	if $self->no_reset;
		1846
		1847	$self->default_region (cf::region::find_by_path $self->{path})
		1848	unless $self->default_region;
1322		1849
1323	1	1850	1
1324	}	1851	}
1325		1852
1326	sub find;	1853	sub find;
…		…
1339	$map->{last_save} = $cf::RUNTIME;	1866	$map->{last_save} = $cf::RUNTIME;
1340		1867
1341	$map->load_header	1868	$map->load_header
1342	or return;	1869	or return;
1343		1870
1344	if ($map->should_reset) {	1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1872	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1873	#$cf::WAIT_FOR_TICK->wait;
1346	$map->reset;	1874	$map->reset;
1347	undef $guard;	1875	undef $guard;
1348	$map = find $path	1876	return find $path;
1349	or return;
1350	}	1877	}
1351		1878
1352	$cf::MAP{$path} = $map	1879	$cf::MAP{$path} = $map
1353	}	1880	}
1354	}	1881	}
		1882
		1883	sub pre_load { }
		1884	sub post_load { }
1355		1885
1356	sub load {	1886	sub load {
1357	my ($self) = @_;	1887	my ($self) = @_;
1358		1888
		1889	local $self->{deny_reset} = 1; # loading can take a long time
		1890
1359	my $path = $self->{path};	1891	my $path = $self->{path};
		1892
		1893	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1894	my $guard = cf::lock_acquire "map_load:$path";
1361		1895
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1363		1897
1364	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1365		1899
1366	$self->alloc;	1900	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)
1368	or return;
1369		1901
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1902	$self->pre_load;
1371	if delete $self->{load_original};
1372
1373	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {
1376	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);
1378	}
1379	}
1380
1381	Coro::cede;
1382
1383	# now do the right thing for maps
1384	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;	1903	Coro::cede;
1391	$self->set_darkness_map;	1904
		1905	$self->_load_objects ($self->{load_path}, 1)
		1906	or return;
		1907
		1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1909	if delete $self->{load_original};
		1910
		1911	if (my $uniq = $self->uniq_path) {
		1912	utf8::encode $uniq;
		1913	if (aio_open $uniq, O_RDONLY, 0) {
		1914	$self->clear_unique_items;
		1915	$self->_load_objects ($uniq, 0);
		1916	}
		1917	}
		1918
		1919	Coro::cede;
		1920	# now do the right thing for maps
		1921	$self->link_multipart_objects;
1392	$self->difficulty ($self->estimate_difficulty)	1922	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	1923	unless $self->difficulty;
1394	Coro::cede;	1924	Coro::cede;
		1925
		1926	unless ($self->{deny_activate}) {
		1927	$self->decay_objects;
		1928	$self->fix_auto_apply;
		1929	$self->update_buttons;
		1930	Coro::cede;
		1931	$self->set_darkness_map;
		1932	Coro::cede;
1395	$self->activate;	1933	$self->activate;
1396	}	1934	}
1397		1935
		1936	$self->{last_save} = $cf::RUNTIME;
		1937	$self->last_access ($cf::RUNTIME);
		1938
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1939	$self->in_memory (cf::MAP_IN_MEMORY);
		1940	}
		1941
		1942	$self->post_load;
1399	}	1943	}
1400		1944
1401	sub customise_for {	1945	sub customise_for {
1402	my ($self, $ob) = @_;	1946	my ($self, $ob) = @_;
1403		1947
1404	return find "~" . $ob->name . "/" . $self->{path}	1948	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	1949	if $self->per_player;
		1950
		1951	# return find "?party/" . $ob->name . "/" . $self->{path}
		1952	# if $self->per_party;
1406		1953
1407	$self	1954	$self
1408	}	1955	}
1409		1956
1410	# find and load all maps in the 3x3 area around a map	1957	# find and load all maps in the 3x3 area around a map
…		…
1442		1989
1443	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1444	}	1991	}
1445		1992
1446	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	1994	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		1995
1460	sub find_async {	1996	sub find_async {
1461	my ($path, $origin) = @_;	1997	my ($path, $origin) = @_;
1462		1998
1463	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1464		2000
1465	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	2003	}
1468		2004
1469	$MAP_PREFETCH{$path} = 0;	2005	undef $MAP_PREFETCH{$path};
		2006	$MAP_PREFETCHER ||= cf::async {
		2007	while (%MAP_PREFETCH) {
		2008	for my $path (keys %MAP_PREFETCH) {
		2009	if (my $map = find $path) {
		2010	$map->load;
		2011	}
		2012
		2013	delete $MAP_PREFETCH{$path};
		2014	}
		2015	}
		2016	undef $MAP_PREFETCHER;
		2017	};
1470	$MAP_PREFETCHER->ready;	2018	$MAP_PREFETCHER->prio (6);
1471		2019
1472	()	2020	()
1473	}	2021	}
1474		2022
1475	sub save {	2023	sub save {
…		…
1520		2068
1521	sub reset_at {	2069	sub reset_at {
1522	my ($self) = @_;	2070	my ($self) = @_;
1523		2071
1524	# TODO: safety, remove and allow resettable per-player maps	2072	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2073	return 1e99 if $self->{deny_reset};
1527		2074
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2075	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2076	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2077
…		…
1541	my ($self) = @_;	2088	my ($self) = @_;
1542		2089
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2090	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2091
1545	return if $self->players;	2092	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2093
1548	warn "resetting map ", $self->path;#d#	2094	warn "resetting map ", $self->path;
		2095
		2096	$self->in_memory (cf::MAP_SWAPPED);
		2097
		2098	# need to save uniques path
		2099	unless ($self->{deny_save}) {
		2100	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2101
		2102	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2103	if $uniq;
		2104	}
1549		2105
1550	delete $cf::MAP{$self->path};	2106	delete $cf::MAP{$self->path};
1551		2107
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	$self->clear;	2108	$self->clear;
1554		2109
1555	$_->clear_links_to ($self) for values %cf::MAP;	2110	$_->clear_links_to ($self) for values %cf::MAP;
1556		2111
1557	$self->unlink_save;	2112	$self->unlink_save;
…		…
1576	$cf::MAP{$self->path} = $self;	2131	$cf::MAP{$self->path} = $self;
1577		2132
1578	$self->reset; # polite request, might not happen	2133	$self->reset; # polite request, might not happen
1579	}	2134	}
1580		2135
		2136	=item $maps = cf::map::tmp_maps
		2137
		2138	Returns an arrayref with all map paths of currently instantiated and saved
		2139	maps. May block.
		2140
		2141	=cut
		2142
		2143	sub tmp_maps() {
		2144	[
		2145	map {
		2146	utf8::decode $_;
		2147	/\.map$/
		2148	? normalise $_
		2149	: ()
		2150	} @{ aio_readdir $TMPDIR or [] }
		2151	]
		2152	}
		2153
		2154	=item $maps = cf::map::random_maps
		2155
		2156	Returns an arrayref with all map paths of currently instantiated and saved
		2157	random maps. May block.
		2158
		2159	=cut
		2160
		2161	sub random_maps() {
		2162	[
		2163	map {
		2164	utf8::decode $_;
		2165	/\.map$/
		2166	? normalise "?random/$_"
		2167	: ()
		2168	} @{ aio_readdir $RANDOMDIR or [] }
		2169	]
		2170	}
		2171
1581	=item cf::map::unique_maps	2172	=item cf::map::unique_maps
1582		2173
1583	Returns an arrayref of paths of all shared maps that have	2174	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2175	instantiated unique items. May block.
1585		2176
1586	=cut	2177	=cut
1587		2178
1588	sub unique_maps() {	2179	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2180	[
1590	or return;	2181	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2182	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2183	/\.map$/
1600	push @paths, $_;	2184	? normalise $_
		2185	: ()
		2186	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2187	]
1602
1603	\@paths
1604	}	2188	}
1605		2189
1606	package cf;	2190	package cf;
1607		2191
1608	=back	2192	=back
…		…
1654		2238
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2239	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2240
1657	if ($self->{record_replies}) {	2241	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2242	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2243
1659	} else {	2244	} else {
		2245	my $pl = $self->contr;
		2246
		2247	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2248	my $dialog = $pl->{npc_dialog};
		2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2250
		2251	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2252	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2253	$self->message ($msg, $flags);
		2254	}
1662	}	2255	}
		2256	}
		2257
		2258	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2259
		2260	=cut
		2261
		2262	sub cf::object::send_msg {
		2263	my $pl = shift->contr
		2264	or return;
		2265	$pl->send_msg (@_);
1663	}	2266	}
1664		2267
1665	=item $player_object->may ("access")	2268	=item $player_object->may ("access")
1666		2269
1667	Returns wether the given player is authorized to access resource "access"	2270	Returns wether the given player is authorized to access resource "access"
…		…
1699	=cut	2302	=cut
1700		2303
1701	sub link_map {	2304	sub link_map {
1702	unless ($LINK_MAP) {	2305	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2306	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2307	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2308	$LINK_MAP->load;
1706	}	2309	}
1707		2310
1708	$LINK_MAP	2311	$LINK_MAP
1709	}	2312	}
…		…
1714	$self->deactivate_recursive;	2317	$self->deactivate_recursive;
1715		2318
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2319	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2320
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2322	if $self->map && $self->map->{path} ne "{link}";
1720		2323
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2325	}
1723		2326
1724	sub cf::object::player::leave_link {	2327	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2328	my ($self, $map, $x, $y) = @_;
		2329
		2330	return unless $self->contr->active;
1726		2331
1727	my $link_pos = delete $self->{_link_pos};	2332	my $link_pos = delete $self->{_link_pos};
1728		2333
1729	unless ($map) {	2334	unless ($map) {
1730	# restore original map position	2335	# restore original map position
…		…
1748	$map->load;	2353	$map->load;
1749	$map->load_diag;	2354	$map->load_diag;
1750		2355
1751	return unless $self->contr->active;	2356	return unless $self->contr->active;
1752	$self->activate_recursive;	2357	$self->activate_recursive;
		2358
		2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2360	$self->enter_map ($map, $x, $y);
1754	}	2361	}
1755		2362
1756	cf::player->attach (	2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2364
1760	# abort map switching before logout	2365	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2366	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2367	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2368	the new (success) or old (failed) map position. In either case, $done will
1764	};	2369	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2370
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2371	=cut
		2372
		2373	our $GOTOGEN;
1791		2374
1792	sub cf::object::player::goto {	2375	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2376	my ($self, $path, $x, $y, $check, $done) = @_;
		2377
		2378	# do generation counting so two concurrent goto's will be executed in-order
		2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2380
1795	$self->enter_link;	2381	$self->enter_link;
1796		2382
1797	(async {	2383	(async {
		2384	my $map = eval {
1798	my $map = cf::map::find $path;	2385	my $map = cf::map::find $path;
		2386
		2387	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2388	$map = $map->customise_for ($self);
1800		2389	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2390	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2392	}
1805		2393
		2394	$map
		2395	};
		2396
		2397	if ($@) {
		2398	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2399	LOG llevError | logBacktrace, Carp::longmess $@;
		2400	}
		2401
		2402	if ($gen == $self->{_goto_generation}) {
		2403	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2404	$self->leave_link ($map, $x, $y);
		2405	}
		2406
		2407	$done->() if $done;
1807	})->prio (1);	2408	})->prio (1);
1808	}	2409	}
1809		2410
1810	=item $player_object->enter_exit ($exit_object)	2411	=item $player_object->enter_exit ($exit_object)
1811		2412
…		…
1813		2414
1814	sub parse_random_map_params {	2415	sub parse_random_map_params {
1815	my ($spec) = @_;	2416	my ($spec) = @_;
1816		2417
1817	my $rmp = { # defaults	2418	my $rmp = { # defaults
1818	xsize => 10,	2419	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2420	ysize => (cf::rndm 15, 40),
		2421	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2422	#layout => string,
1820	};	2423	};
1821		2424
1822	for (split /\n/, $spec) {	2425	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2426	my ($k, $v) = split /\s+/, $_, 2;
1824		2427
…		…
1828	$rmp	2431	$rmp
1829	}	2432	}
1830		2433
1831	sub prepare_random_map {	2434	sub prepare_random_map {
1832	my ($exit) = @_;	2435	my ($exit) = @_;
		2436
		2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2438
1834	# all this does is basically replace the /! path by	2439	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2440	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2441	# that depends on the exit object
1837		2442
1838	my $rmp = parse_random_map_params $exit->msg;	2443	my $rmp = parse_random_map_params $exit->msg;
1839		2444
1840	if ($exit->map) {	2445	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2446	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2447	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2448	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2449	$rmp->{origin_y} = $exit->y;
1845	}	2450	}
1846		2451
1847	$rmp->{random_seed} ||= $exit->random_seed;	2452	$rmp->{random_seed} ||= $exit->random_seed;
1848		2453
1849	my $data = cf::to_json $rmp;	2454	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2455	my $md5 = Digest::MD5::md5_hex $data;
1851	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2456	my $meta = "$RANDOMDIR/$md5.meta";
1852		2457
1853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854	aio_write $fh, 0, (length $data), $data, 0;	2459	aio_write $fh, 0, (length $data), $data, 0;
1855	undef $fh;	2460	undef $fh;
1856	aio_rename "$meta~", $meta;	2461	aio_rename "$meta~", $meta;
…		…
1863	sub cf::object::player::enter_exit {	2468	sub cf::object::player::enter_exit {
1864	my ($self, $exit) = @_;	2469	my ($self, $exit) = @_;
1865		2470
1866	return unless $self->type == cf::PLAYER;	2471	return unless $self->type == cf::PLAYER;
1867		2472
		2473	if ($exit->slaying eq "/!") {
		2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2475	# the problem is that $exit might not survive long enough
		2476	# so it needs to be done right now, right here
		2477	cf::sync_job { prepare_random_map $exit };
		2478	}
		2479
		2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2481	my $hp = $exit->stats->hp;
		2482	my $sp = $exit->stats->sp;
		2483
1868	$self->enter_link;	2484	$self->enter_link;
		2485
		2486	# if exit is damned, update players death & WoR home-position
		2487	$self->contr->savebed ($slaying, $hp, $sp)
		2488	if $exit->flag (FLAG_DAMNED);
1869		2489
1870	(async {	2490	(async {
1871	$self->deactivate_recursive; # just to be sure	2491	$self->deactivate_recursive; # just to be sure
1872	unless (eval {	2492	unless (eval {
1873	prepare_random_map $exit	2493	$self->goto ($slaying, $hp, $sp);
1874	if $exit->slaying eq "/!";
1875
1876	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1877	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1878		2494
1879	1;	2495	1;
1880	}) {	2496	}) {
1881	$self->message ("Something went wrong deep within the crossfire server. "	2497	$self->message ("Something went wrong deep within the crossfire server. "
1882	. "I'll try to bring you back to the map you were before. "	2498	. "I'll try to bring you back to the map you were before. "
1883	. "Please report this to the dungeon master!",	2499	. "Please report this to the dungeon master!",
1884	cf::NDI_UNIQUE | cf::NDI_RED);	2500	cf::NDI_UNIQUE | cf::NDI_RED);
1885		2501
1886	warn "ERROR in enter_exit: $@";	2502	warn "ERROR in enter_exit: $@";
1887	$self->leave_link;	2503	$self->leave_link;
1888	}	2504	}
1889	})->prio (1);	2505	})->prio (1);
…		…
1902		2518
1903	sub cf::client::send_drawinfo {	2519	sub cf::client::send_drawinfo {
1904	my ($self, $text, $flags) = @_;	2520	my ($self, $text, $flags) = @_;
1905		2521
1906	utf8::encode $text;	2522	utf8::encode $text;
1907	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1908	}	2524	}
1909		2525
		2526	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2527
		2528	Send a drawinfo or msg packet to the client, formatting the msg for the
		2529	client if neccessary. C<$type> should be a string identifying the type of
		2530	the message, with C<log> being the default. If C<$color> is negative, suppress
		2531	the message unless the client supports the msg packet.
		2532
		2533	=cut
		2534
		2535	sub cf::client::send_msg {
		2536	my ($self, $channel, $msg, $color, @extra) = @_;
		2537
		2538	$msg = $self->pl->expand_cfpod ($msg);
		2539
		2540	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2541
		2542	if (ref $channel) {
		2543	# send meta info to client, if not yet sent
		2544	unless (exists $self->{channel}{$channel->{id}}) {
		2545	$self->{channel}{$channel->{id}} = $channel;
		2546	$self->ext_msg (channel_info => $channel);
		2547	}
		2548
		2549	$channel = $channel->{id};
		2550	}
		2551
		2552	return unless @extra || length $msg;
		2553
		2554	if ($self->can_msg) {
		2555	# default colour, mask it out
		2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2557	if $color & cf::NDI_DEF;
		2558
		2559	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2561	} else {
		2562	if ($color >= 0) {
		2563	# replace some tags by gcfclient-compatible ones
		2564	for ($msg) {
		2565	1 while
		2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2571	}
		2572
		2573	$color &= cf::NDI_COLOR_MASK;
		2574
		2575	utf8::encode $msg;
		2576
		2577	if (0 && $msg =~ /\[/) {
		2578	# COMMAND/INFO
		2579	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2580	} else {
		2581	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2582	$self->send_packet ("drawinfo $color $msg")
		2583	}
		2584	}
		2585	}
		2586	}
		2587
		2588	=item $client->ext_msg ($type, @msg)
		2589
		2590	Sends an ext event to the client.
		2591
		2592	=cut
		2593
		2594	sub cf::client::ext_msg($$@) {
		2595	my ($self, $type, @msg) = @_;
		2596
		2597	my $extcmd = $self->extcmd;
		2598
		2599	if ($extcmd == 2) {
		2600	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2601	} elsif ($extcmd == 1) { # TODO: remove
		2602	push @msg, msgtype => "event_$type";
		2603	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2604	}
		2605	}
1910		2606
1911	=item $success = $client->query ($flags, "text", \&cb)	2607	=item $success = $client->query ($flags, "text", \&cb)
1912		2608
1913	Queues a query to the client, calling the given callback with	2609	Queues a query to the client, calling the given callback with
1914	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2610	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1915	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2611	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1916		2612
1917	Queries can fail, so check the return code. Or don't, as queries will become	2613	Queries can fail, so check the return code. Or don't, as queries will
1918	reliable at some point in the future.	2614	become reliable at some point in the future.
1919		2615
1920	=cut	2616	=cut
1921		2617
1922	sub cf::client::query {	2618	sub cf::client::query {
1923	my ($self, $flags, $text, $cb) = @_;	2619	my ($self, $flags, $text, $cb) = @_;
…		…
1931	utf8::encode $text;	2627	utf8::encode $text;
1932	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2628	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1933		2629
1934	$self->send_packet ($self->{query_queue}[0][0])	2630	$self->send_packet ($self->{query_queue}[0][0])
1935	if @{ $self->{query_queue} } == 1;	2631	if @{ $self->{query_queue} } == 1;
		2632
		2633	1
1936	}	2634	}
1937		2635
1938	cf::client->attach (	2636	cf::client->attach (
		2637	on_connect => sub {
		2638	my ($ns) = @_;
		2639
		2640	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2641	},
1939	on_reply => sub {	2642	on_reply => sub {
1940	my ($ns, $msg) = @_;	2643	my ($ns, $msg) = @_;
1941		2644
1942	# this weird shuffling is so that direct followup queries	2645	# this weird shuffling is so that direct followup queries
1943	# get handled first	2646	# get handled first
1944	my $queue = delete $ns->{query_queue}	2647	my $queue = delete $ns->{query_queue}
1945	or return; # be conservative, not sure how that can happen, but we saw a crash here	2648	or return; # be conservative, not sure how that can happen, but we saw a crash here
1946		2649
1947	(shift @$queue)->[1]->($msg);	2650	(shift @$queue)->[1]->($msg);
		2651	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1948		2652
1949	push @{ $ns->{query_queue} }, @$queue;	2653	push @{ $ns->{query_queue} }, @$queue;
1950		2654
1951	if (@{ $ns->{query_queue} } == @$queue) {	2655	if (@{ $ns->{query_queue} } == @$queue) {
1952	if (@$queue) {	2656	if (@$queue) {
…		…
1954	} else {	2658	} else {
1955	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2659	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1956	}	2660	}
1957	}	2661	}
1958	},	2662	},
		2663	on_exticmd => sub {
		2664	my ($ns, $buf) = @_;
		2665
		2666	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2667
		2668	if (ref $msg) {
		2669	my ($type, $reply, @payload) =
		2670	"ARRAY" eq ref $msg
		2671	? @$msg
		2672	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2673
		2674	if (my $cb = $EXTICMD{$type}) {
		2675	my @reply = $cb->($ns, @payload);
		2676
		2677	$ns->ext_reply ($reply, @reply)
		2678	if $reply;
		2679	}
		2680	} else {
		2681	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2682	}
		2683
		2684	cf::override;
		2685	},
1959	);	2686	);
1960		2687
1961	=item $client->async (\&cb)	2688	=item $client->async (\&cb)
1962		2689
1963	Create a new coroutine, running the specified callback. The coroutine will	2690	Create a new coroutine, running the specified callback. The coroutine will
…		…
2004	our $safe = new Safe "safe";	2731	our $safe = new Safe "safe";
2005	our $safe_hole = new Safe::Hole;	2732	our $safe_hole = new Safe::Hole;
2006		2733
2007	$SIG{FPE} = 'IGNORE';	2734	$SIG{FPE} = 'IGNORE';
2008		2735
2009	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2736	$safe->permit_only (Opcode::opset qw(
		2737	:base_core :base_mem :base_orig :base_math
		2738	grepstart grepwhile mapstart mapwhile
		2739	sort time
		2740	));
2010		2741
2011	# here we export the classes and methods available to script code	2742	# here we export the classes and methods available to script code
2012		2743
2013	=pod	2744	=pod
2014		2745
2015	The following fucntions and emthods are available within a safe environment:	2746	The following functions and methods are available within a safe environment:
2016		2747
2017	cf::object contr pay_amount pay_player map	2748	cf::object
		2749	contr pay_amount pay_player map x y force_find force_add
		2750	insert remove name archname title slaying race
		2751
2018	cf::object::player player	2752	cf::object::player
2019	cf::player peaceful	2753	player
2020	cf::map trigger	2754
		2755	cf::player
		2756	peaceful
		2757
		2758	cf::map
		2759	trigger
2021		2760
2022	=cut	2761	=cut
2023		2762
2024	for (	2763	for (
2025	["cf::object" => qw(contr pay_amount pay_player map)],	2764	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2765	insert remove inv name archname title slaying race)],
2026	["cf::object::player" => qw(player)],	2766	["cf::object::player" => qw(player)],
2027	["cf::player" => qw(peaceful)],	2767	["cf::player" => qw(peaceful)],
2028	["cf::map" => qw(trigger)],	2768	["cf::map" => qw(trigger)],
2029	) {	2769	) {
2030	no strict 'refs';	2770	no strict 'refs';
…		…
2101	=back	2841	=back
2102		2842
2103	=cut	2843	=cut
2104		2844
2105	#############################################################################	2845	#############################################################################
		2846	# the server's init and main functions
2106		2847
2107	=head2 EXTENSION DATABASE SUPPORT	2848	sub load_facedata($) {
		2849	my ($path) = @_;
2108		2850
2109	Crossfire maintains a very simple database for extension use. It can	2851	warn "loading facedata from $path\n";
2110	currently store anything that can be serialised using Storable, which
2111	excludes objects.
2112		2852
2113	The parameter C<$family> should best start with the name of the extension	2853	my $facedata;
2114	using it, it should be unique.	2854	0 < aio_load $path, $facedata
		2855	or die "$path: $!";
2115		2856
2116	=over 4	2857	$facedata = Coro::Storable::thaw $facedata;
2117		2858
2118	=item $hashref = cf::db_get $family	2859	$facedata->{version} == 2
		2860	or cf::cleanup "$path: version mismatch, cannot proceed.";
2119		2861
2120	Return a hashref for use by the extension C<$family>, which can be
2121	modified. After modifications, you have to call C<cf::db_dirty> or
2122	C<cf::db_sync>.
2123
2124	=item $value = cf::db_get $family => $key
2125
2126	Returns a single value from the database
2127
2128	=item cf::db_put $family => $hashref
2129
2130	Stores the given family hashref into the database. Updates are delayed, if
2131	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2132
2133	=item cf::db_put $family => $key => $value
2134
2135	Stores the given C<$value> in the family hash. Updates are delayed, if you
2136	want the data to be synced to disk immediately, use C<cf::db_sync>.
2137
2138	=item cf::db_dirty
2139
2140	Marks the database as dirty, to be updated at a later time.
2141
2142	=item cf::db_sync
2143
2144	Immediately write the database to disk I<if it is dirty>.
2145
2146	=cut
2147
2148	our $DB;
2149
2150	{
2151	my $path = cf::localdir . "/database.pst";
2152
2153	sub db_load() {
2154	$DB = stat $path ? Storable::retrieve $path : { };
2155	}	2862	{
		2863	my $faces = $facedata->{faceinfo};
2156		2864
2157	my $pid;	2865	while (my ($face, $info) = each %$faces) {
		2866	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2867	cf::face::set_visibility $idx, $info->{visibility};
		2868	cf::face::set_magicmap $idx, $info->{magicmap};
		2869	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2870	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2158		2871
2159	sub db_save() {	2872	cf::cede_to_tick;
2160	waitpid $pid, 0 if $pid;
2161	if (0 == ($pid = fork)) {
2162	$DB->{_meta}{version} = 1;
2163	Storable::nstore $DB, "$path~";
2164	rename "$path~", $path;
2165	cf::_exit 0 if defined $pid;
2166	}
2167	}
2168
2169	my $dirty;
2170
2171	sub db_sync() {
2172	db_save if $dirty;
2173	undef $dirty;
2174	}
2175
2176	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2177	db_sync;
2178	});
2179
2180	sub db_dirty() {
2181	$dirty = 1;
2182	$idle->start;
2183	}
2184
2185	sub db_get($;$) {
2186	@_ >= 2
2187	? $DB->{$_[0]}{$_[1]}
2188	: ($DB->{$_[0]} ||= { })
2189	}
2190
2191	sub db_put($$;$) {
2192	if (@_ >= 3) {
2193	$DB->{$_[0]}{$_[1]} = $_[2];
2194	} else {
2195	$DB->{$_[0]} = $_[1];
2196	}
2197	db_dirty;
2198	}
2199
2200	cf::global->attach (
2201	prio => 10000,
2202	on_cleanup => sub {
2203	db_sync;
2204	},	2873	}
2205	);
2206	}
2207		2874
2208	#############################################################################	2875	while (my ($face, $info) = each %$faces) {
2209	# the server's main()	2876	next unless $info->{smooth};
		2877	my $idx = cf::face::find $face
		2878	or next;
		2879	if (my $smooth = cf::face::find $info->{smooth}) {
		2880	cf::face::set_smooth $idx, $smooth;
		2881	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2882	} else {
		2883	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2884	}
		2885
		2886	cf::cede_to_tick;
		2887	}
		2888	}
		2889
		2890	{
		2891	my $anims = $facedata->{animinfo};
		2892
		2893	while (my ($anim, $info) = each %$anims) {
		2894	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2895	cf::cede_to_tick;
		2896	}
		2897
		2898	cf::anim::invalidate_all; # d'oh
		2899	}
		2900
		2901	{
		2902	# TODO: for gcfclient pleasure, we should give resources
		2903	# that gcfclient doesn't grok a >10000 face index.
		2904	my $res = $facedata->{resource};
		2905	my $enc = JSON::XS->new->utf8->canonical;
		2906
		2907	my $soundconf = delete $res->{"res/sound.conf"};
		2908
		2909	while (my ($name, $info) = each %$res) {
		2910	my $meta = $enc->encode ({
		2911	name => $name,
		2912	%{ $info->{meta} || {} },
		2913	});
		2914
		2915	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2916
		2917	if ($info->{type} & 1) {
		2918	# prepend meta info
		2919
		2920	my $data = pack "(w/a*)*", $meta, $info->{data};
		2921	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2922
		2923	cf::face::set_data $idx, 0, $data, $chk;
		2924	} else {
		2925	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2926	}
		2927
		2928	cf::face::set_type $idx, $info->{type};
		2929
		2930	cf::cede_to_tick;
		2931	}
		2932
		2933	if ($soundconf) {
		2934	$soundconf = $enc->decode (delete $soundconf->{data});
		2935
		2936	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2937	my $sound = $soundconf->{compat}[$_]
		2938	or next;
		2939
		2940	my $face = cf::face::find "sound/$sound->[1]";
		2941	cf::sound::set $sound->[0] => $face;
		2942	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2943	}
		2944
		2945	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2946	my $face = cf::face::find "sound/$v";
		2947	cf::sound::set $k => $face;
		2948	}
		2949	}
		2950	}
		2951
		2952	1
		2953	}
		2954
		2955	register_exticmd fx_want => sub {
		2956	my ($ns, $want) = @_;
		2957
		2958	while (my ($k, $v) = each %$want) {
		2959	$ns->fx_want ($k, $v);
		2960	}
		2961	};
		2962
		2963	sub reload_regions {
		2964	load_resource_file "$MAPDIR/regions"
		2965	or die "unable to load regions file\n";
		2966
		2967	for (cf::region::list) {
		2968	$_->{match} = qr/$_->{match}/
		2969	if exists $_->{match};
		2970	}
		2971	}
		2972
		2973	sub reload_facedata {
		2974	load_facedata "$DATADIR/facedata"
		2975	or die "unable to load facedata\n";
		2976	}
		2977
		2978	sub reload_archetypes {
		2979	load_resource_file "$DATADIR/archetypes"
		2980	or die "unable to load archetypes\n";
		2981	#d# NEED to laod twice to resolve forward references
		2982	# this really needs to be done in an extra post-pass
		2983	# (which needs to be synchronous, so solve it differently)
		2984	load_resource_file "$DATADIR/archetypes"
		2985	or die "unable to load archetypes\n";
		2986	}
		2987
		2988	sub reload_treasures {
		2989	load_resource_file "$DATADIR/treasures"
		2990	or die "unable to load treasurelists\n";
		2991	}
		2992
		2993	sub reload_resources {
		2994	warn "reloading resource files...\n";
		2995
		2996	reload_regions;
		2997	reload_facedata;
		2998	#reload_archetypes;#d#
		2999	reload_archetypes;
		3000	reload_treasures;
		3001
		3002	warn "finished reloading resource files\n";
		3003	}
		3004
		3005	sub init {
		3006	reload_resources;
		3007	}
2210		3008
2211	sub cfg_load {	3009	sub cfg_load {
2212	open my $fh, "<:utf8", cf::confdir . "/config"	3010	open my $fh, "<:utf8", "$CONFDIR/config"
2213	or return;	3011	or return;
2214		3012
2215	local $/;	3013	local $/;
2216	*CFG = YAML::Syck::Load <$fh>;	3014	*CFG = YAML::Syck::Load <$fh>;
2217		3015
…		…
2237	Event::one_event;	3035	Event::one_event;
2238	})->prio (Coro::PRIO_MAX);	3036	})->prio (Coro::PRIO_MAX);
2239	};	3037	};
2240		3038
2241	cfg_load;	3039	cfg_load;
2242	db_load;	3040	db_init;
2243	load_extensions;	3041	load_extensions;
		3042
		3043	$TICK_WATCHER->start;
2244	Event::loop;	3044	Event::loop;
2245	}	3045	}
2246		3046
2247	#############################################################################	3047	#############################################################################
2248	# initialisation and cleanup	3048	# initialisation and cleanup
2249		3049
2250	# install some emergency cleanup handlers	3050	# install some emergency cleanup handlers
2251	BEGIN {	3051	BEGIN {
2252	for my $signal (qw(INT HUP TERM)) {	3052	for my $signal (qw(INT HUP TERM)) {
2253	Event->signal (	3053	Event->signal (
		3054	reentrant => 0,
2254	data => WF_AUTOCANCEL,	3055	data => WF_AUTOCANCEL,
2255	signal => $signal,	3056	signal => $signal,
		3057	prio => 0,
2256	cb => sub {	3058	cb => sub {
2257	cf::cleanup "SIG$signal";	3059	cf::cleanup "SIG$signal";
2258	},	3060	},
2259	);	3061	);
2260	}	3062	}
		3063	}
		3064
		3065	sub write_runtime {
		3066	my $runtime = "$LOCALDIR/runtime";
		3067
		3068	# first touch the runtime file to show we are still running:
		3069	# the fsync below can take a very very long time.
		3070
		3071	IO::AIO::aio_utime $runtime, undef, undef;
		3072
		3073	my $guard = cf::lock_acquire "write_runtime";
		3074
		3075	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3076	or return;
		3077
		3078	my $value = $cf::RUNTIME + 90 + 10;
		3079	# 10 is the runtime save interval, for a monotonic clock
		3080	# 60 allows for the watchdog to kill the server.
		3081
		3082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3083	and return;
		3084
		3085	# always fsync - this file is important
		3086	aio_fsync $fh
		3087	and return;
		3088
		3089	# touch it again to show we are up-to-date
		3090	aio_utime $fh, undef, undef;
		3091
		3092	close $fh
		3093	or return;
		3094
		3095	aio_rename "$runtime~", $runtime
		3096	and return;
		3097
		3098	warn "runtime file written.\n";
		3099
		3100	1
2261	}	3101	}
2262		3102
2263	sub emergency_save() {	3103	sub emergency_save() {
2264	my $freeze_guard = cf::freeze_mainloop;	3104	my $freeze_guard = cf::freeze_mainloop;
2265		3105
…		…
2282	my $map = $cf::MAP{$path} or next;	3122	my $map = $cf::MAP{$path} or next;
2283	$map->valid or next;	3123	$map->valid or next;
2284	$map->save;	3124	$map->save;
2285	}	3125	}
2286	warn "end emergency map save\n";	3126	warn "end emergency map save\n";
		3127
		3128	warn "begin emergency database checkpoint\n";
		3129	BDB::db_env_txn_checkpoint $DB_ENV;
		3130	warn "end emergency database checkpoint\n";
2287	};	3131	};
2288		3132
2289	warn "leave emergency perl save\n";	3133	warn "leave emergency perl save\n";
2290	}	3134	}
2291		3135
		3136	sub post_cleanup {
		3137	my ($make_core) = @_;
		3138
		3139	warn Carp::longmess "post_cleanup backtrace"
		3140	if $make_core;
		3141	}
		3142
2292	sub reload() {	3143	sub do_reload_perl() {
2293	# can/must only be called in main	3144	# can/must only be called in main
2294	if ($Coro::current != $Coro::main) {	3145	if ($Coro::current != $Coro::main) {
2295	warn "can only reload from main coroutine\n";	3146	warn "can only reload from main coroutine";
2296	return;	3147	return;
2297	}	3148	}
2298		3149
2299	warn "reloading...";	3150	warn "reloading...";
2300		3151
2301	warn "freezing server";	3152	warn "entering sync_job";
2302	my $guard = freeze_mainloop;	3153
		3154	cf::sync_job {
		3155	cf::write_runtime; # external watchdog should not bark
2303	cf::emergency_save;	3156	cf::emergency_save;
		3157	cf::write_runtime; # external watchdog should not bark
2304		3158
2305	warn "sync database to disk";	3159	warn "syncing database to disk";
2306	cf::db_sync;	3160	BDB::db_env_txn_checkpoint $DB_ENV;
2307	IO::AIO::flush;
2308		3161
2309	eval {
2310	# if anything goes wrong in here, we should simply crash as we already saved	3162	# if anything goes wrong in here, we should simply crash as we already saved
2311		3163
2312	warn "cancel all watchers";	3164	warn "cancelling all WF_AUTOCANCEL watchers";
2313	for (Event::all_watchers) {	3165	for (Event::all_watchers) {
2314	$_->cancel if $_->data & WF_AUTOCANCEL;	3166	$_->cancel if $_->data & WF_AUTOCANCEL;
2315	}	3167	}
2316		3168
		3169	warn "flushing outstanding aio requests";
		3170	for (;;) {
		3171	BDB::flush;
		3172	IO::AIO::flush;
		3173	Coro::cede;
		3174	last unless IO::AIO::nreqs || BDB::nreqs;
		3175	warn "iterate...";
		3176	}
		3177
		3178	++$RELOAD;
		3179
2317	warn "cancel all extension coros";	3180	warn "cancelling all extension coros";
2318	$_->cancel for values %EXT_CORO;	3181	$_->cancel for values %EXT_CORO;
2319	%EXT_CORO = ();	3182	%EXT_CORO = ();
2320		3183
2321	warn "remove commands";	3184	warn "removing commands";
2322	%COMMAND = ();	3185	%COMMAND = ();
2323		3186
2324	warn "remove ext commands";	3187	warn "removing ext/exti commands";
2325	%EXTCMD = ();	3188	%EXTCMD = ();
		3189	%EXTICMD = ();
2326		3190
2327	warn "unload/nuke all extensions";	3191	warn "unloading/nuking all extensions";
2328	for my $pkg (@EXTS) {	3192	for my $pkg (@EXTS) {
2329	warn "... unloading $pkg";	3193	warn "... unloading $pkg";
2330		3194
2331	if (my $cb = $pkg->can ("unload")) {	3195	if (my $cb = $pkg->can ("unload")) {
2332	eval {	3196	eval {
…		…
2337		3201
2338	warn "... nuking $pkg";	3202	warn "... nuking $pkg";
2339	Symbol::delete_package $pkg;	3203	Symbol::delete_package $pkg;
2340	}	3204	}
2341		3205
2342	warn "unload all perl modules loaded from $LIBDIR";	3206	warn "unloading all perl modules loaded from $LIBDIR";
2343	while (my ($k, $v) = each %INC) {	3207	while (my ($k, $v) = each %INC) {
2344	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3208	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2345		3209
2346	warn "removing <$k>";	3210	warn "... unloading $k";
2347	delete $INC{$k};	3211	delete $INC{$k};
2348		3212
2349	$k =~ s/\.pm$//;	3213	$k =~ s/\.pm$//;
2350	$k =~ s/\//::/g;	3214	$k =~ s/\//::/g;
2351		3215
…		…
2354	}	3218	}
2355		3219
2356	Symbol::delete_package $k;	3220	Symbol::delete_package $k;
2357	}	3221	}
2358		3222
2359	warn "get rid of safe::, as good as possible";	3223	warn "getting rid of safe::, as good as possible";
2360	Symbol::delete_package "safe::$_"	3224	Symbol::delete_package "safe::$_"
2361	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3225	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2362		3226
2363	warn "unload cf.pm \"a bit\"";	3227	warn "unloading cf.pm \"a bit\"";
2364	delete $INC{"cf.pm"};	3228	delete $INC{"cf.pm"};
		3229	delete $INC{"cf/pod.pm"};
2365		3230
2366	# don't, removes xs symbols, too,	3231	# don't, removes xs symbols, too,
2367	# and global variables created in xs	3232	# and global variables created in xs
2368	#Symbol::delete_package __PACKAGE__;	3233	#Symbol::delete_package __PACKAGE__;
2369		3234
		3235	warn "unload completed, starting to reload now";
		3236
2370	warn "reloading cf.pm";	3237	warn "reloading cf.pm";
2371	require cf;	3238	require cf;
2372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3239	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2373		3240
2374	warn "load config and database again";	3241	warn "loading config and database again";
2375	cf::cfg_load;	3242	cf::cfg_load;
2376	cf::db_load;
2377		3243
2378	warn "load extensions";	3244	warn "loading extensions";
2379	cf::load_extensions;	3245	cf::load_extensions;
2380		3246
2381	warn "reattach attachments to objects/players";	3247	warn "reattaching attachments to objects/players";
2382	_global_reattach;	3248	_global_reattach; # objects, sockets
2383	warn "reattach attachments to maps";	3249	warn "reattaching attachments to maps";
2384	reattach $_ for values %MAP;	3250	reattach $_ for values %MAP;
2385	};	3251	warn "reattaching attachments to players";
		3252	reattach $_ for values %PLAYER;
2386		3253
2387	if ($@) {	3254	warn "leaving sync_job";
		3255
		3256	1
		3257	} or do {
2388	warn $@;	3258	warn $@;
2389	warn "error while reloading, exiting.";	3259	warn "error while reloading, exiting.";
2390	exit 1;	3260	exit 1;
2391	}	3261	};
2392		3262
2393	warn "reloaded";	3263	warn "reloaded";
2394	};	3264	};
2395		3265
2396	our $RELOAD_WATCHER; # used only during reload	3266	our $RELOAD_WATCHER; # used only during reload
2397		3267
		3268	sub reload_perl() {
		3269	# doing reload synchronously and two reloads happen back-to-back,
		3270	# coro crashes during coro_state_free->destroy here.
		3271
		3272	$RELOAD_WATCHER ||= Event->timer (
		3273	reentrant => 0,
		3274	after => 0,
		3275	data => WF_AUTOCANCEL,
		3276	cb => sub {
		3277	do_reload_perl;
		3278	undef $RELOAD_WATCHER;
		3279	},
		3280	);
		3281	}
		3282
2398	register_command "reload" => sub {	3283	register_command "reload" => sub {
2399	my ($who, $arg) = @_;	3284	my ($who, $arg) = @_;
2400		3285
2401	if ($who->flag (FLAG_WIZ)) {	3286	if ($who->flag (FLAG_WIZ)) {
2402	$who->message ("reloading server.");	3287	$who->message ("reloading server.");
2403		3288	async { reload_perl };
2404	# doing reload synchronously and two reloads happen back-to-back,
2405	# coro crashes during coro_state_free->destroy here.
2406
2407	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2408	reload;
2409	undef $RELOAD_WATCHER;
2410	});
2411	}	3289	}
2412	};	3290	};
2413		3291
2414	unshift @INC, $LIBDIR;	3292	unshift @INC, $LIBDIR;
2415		3293
		3294	my $bug_warning = 0;
		3295
		3296	our @WAIT_FOR_TICK;
		3297	our @WAIT_FOR_TICK_BEGIN;
		3298
		3299	sub wait_for_tick {
		3300	return unless $TICK_WATCHER->is_active;
		3301	return if $Coro::current == $Coro::main;
		3302
		3303	my $signal = new Coro::Signal;
		3304	push @WAIT_FOR_TICK, $signal;
		3305	$signal->wait;
		3306	}
		3307
		3308	sub wait_for_tick_begin {
		3309	return unless $TICK_WATCHER->is_active;
		3310	return if $Coro::current == $Coro::main;
		3311
		3312	my $signal = new Coro::Signal;
		3313	push @WAIT_FOR_TICK_BEGIN, $signal;
		3314	$signal->wait;
		3315	}
		3316
		3317	my $min = 1e6;#d#
		3318	my $avg = 10;
2416	$TICK_WATCHER = Event->timer (	3319	$TICK_WATCHER = Event->timer (
2417	reentrant => 0,	3320	reentrant => 0,
		3321	parked => 1,
2418	prio => 0,	3322	prio => 0,
2419	at => $NEXT_TICK || $TICK,	3323	at => $NEXT_TICK || $TICK,
2420	data => WF_AUTOCANCEL,	3324	data => WF_AUTOCANCEL,
2421	cb => sub {	3325	cb => sub {
		3326	if ($Coro::current != $Coro::main) {
		3327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3328	unless ++$bug_warning > 10;
		3329	return;
		3330	}
		3331
2422	$NOW = Event::time;	3332	$NOW = $tick_start = Event::time;
2423		3333
2424	cf::server_tick; # one server iteration	3334	cf::server_tick; # one server iteration
		3335
		3336	0 && sync_job {#d#
		3337	for(1..10) {
		3338	my $t = Event::time;
		3339	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3340	or die;
		3341
		3342	$map->width (50);
		3343	$map->height (50);
		3344	$map->alloc;
		3345	$map->_load_objects ("/tmp/x.map", 1);
		3346	my $t = Event::time - $t;
		3347
		3348	#next unless $t < 0.0013;#d#
		3349	if ($t < $min) {
		3350	$min = $t;
		3351	}
		3352	$avg = $avg * 0.99 + $t * 0.01;
		3353	}
		3354	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3355	exit 0;
		3356	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3357	};
		3358
2425	$RUNTIME += $TICK;	3359	$RUNTIME += $TICK;
2426	$NEXT_TICK += $TICK;	3360	$NEXT_TICK += $TICK;
2427		3361
2428	$WAIT_FOR_TICK->broadcast;	3362	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2429	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3363	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3364	Coro::async_pool {
		3365	write_runtime
		3366	or warn "ERROR: unable to write runtime file: $!";
		3367	};
		3368	}
		3369
		3370	# my $AFTER = Event::time;
		3371	# warn $AFTER - $NOW;#d#
		3372
		3373	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3374	$sig->send;
		3375	}
		3376	while (my $sig = shift @WAIT_FOR_TICK) {
		3377	$sig->send;
		3378	}
		3379
		3380	$NOW = Event::time;
2430		3381
2431	# if we are delayed by four ticks or more, skip them all	3382	# if we are delayed by four ticks or more, skip them all
2432	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3383	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2433		3384
2434	$TICK_WATCHER->at ($NEXT_TICK);	3385	$TICK_WATCHER->at ($NEXT_TICK);
2435	$TICK_WATCHER->start;	3386	$TICK_WATCHER->start;
		3387
		3388	$LOAD = ($NOW - $tick_start) / $TICK;
		3389	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3390
		3391	_post_tick;
		3392
		3393
2436	},	3394	},
2437	);	3395	);
2438		3396
		3397	{
		3398	BDB::max_poll_time $TICK * 0.1;
		3399	$BDB_POLL_WATCHER = Event->io (
		3400	reentrant => 0,
		3401	fd => BDB::poll_fileno,
		3402	poll => 'r',
		3403	prio => 0,
		3404	data => WF_AUTOCANCEL,
		3405	cb => \&BDB::poll_cb,
		3406	);
		3407	BDB::min_parallel 8;
		3408
		3409	BDB::set_sync_prepare {
		3410	my $status;
		3411	my $current = $Coro::current;
		3412	(
		3413	sub {
		3414	$status = $!;
		3415	$current->ready; undef $current;
		3416	},
		3417	sub {
		3418	Coro::schedule while defined $current;
		3419	$! = $status;
		3420	},
		3421	)
		3422	};
		3423
		3424	unless ($DB_ENV) {
		3425	$DB_ENV = BDB::db_env_create;
		3426
		3427	cf::sync_job {
		3428	eval {
		3429	BDB::db_env_open
		3430	$DB_ENV,
		3431	$BDBDIR,
		3432	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3433	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3434	0666;
		3435
		3436	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3437
		3438	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3439	$DB_ENV->set_lk_detect;
		3440	};
		3441
		3442	cf::cleanup "db_env_open(db): $@" if $@;
		3443	};
		3444	}
		3445	}
		3446
		3447	{
		3448	IO::AIO::min_parallel 8;
		3449
		3450	undef $Coro::AIO::WATCHER;
2439	IO::AIO::max_poll_time $TICK * 0.2;	3451	IO::AIO::max_poll_time $TICK * 0.1;
2440
2441	$AIO_POLL_WATCHER = Event->io (	3452	$AIO_POLL_WATCHER = Event->io (
2442	fd => IO::AIO::poll_fileno,	3453	reentrant => 0,
2443	poll => 'r',
2444	prio => 5,
2445	data => WF_AUTOCANCEL,
2446	cb => \&IO::AIO::poll_cb,
2447	);
2448
2449	$WRITE_RUNTIME_WATCHER = Event->timer (
2450	data => WF_AUTOCANCEL,	3454	data => WF_AUTOCANCEL,
2451	after => 0,	3455	fd => IO::AIO::poll_fileno,
2452	interval => 10,	3456	poll => 'r',
2453	cb => sub {	3457	prio => 6,
2454	(Coro::unblock_sub {	3458	cb => \&IO::AIO::poll_cb,
2455	write_runtime	3459	);
2456	or warn "ERROR: unable to write runtime file: $!";	3460	}
		3461
		3462	my $_log_backtrace;
		3463
		3464	sub _log_backtrace {
		3465	my ($msg, @addr) = @_;
		3466
		3467	$msg =~ s/\n//;
		3468
		3469	# limit the # of concurrent backtraces
		3470	if ($_log_backtrace < 2) {
		3471	++$_log_backtrace;
		3472	async {
		3473	my @bt = fork_call {
		3474	@addr = map { sprintf "%x", $_ } @addr;
		3475	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3476	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3477	or die "addr2line: $!";
		3478
		3479	my @funcs;
		3480	my @res = <$fh>;
		3481	chomp for @res;
		3482	while (@res) {
		3483	my ($func, $line) = splice @res, 0, 2, ();
		3484	push @funcs, "[$func] $line";
		3485	}
		3486
		3487	@funcs
		3488	};
		3489
		3490	LOG llevInfo, "[ABT] $msg\n";
		3491	LOG llevInfo, "[ABT] $_\n" for @bt;
		3492	--$_log_backtrace;
2457	})->();	3493	};
		3494	} else {
		3495	LOG llevInfo, "[ABT] $msg\n";
		3496	LOG llevInfo, "[ABT] [suppressed]\n";
2458	},	3497	}
2459	);	3498	}
		3499
		3500	# load additional modules
		3501	use cf::pod;
2460		3502
2461	END { cf::emergency_save }	3503	END { cf::emergency_save }
2462		3504
2463	1	3505	1
2464		3506

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