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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.173 by root, Sun Jan 14 18:00:34 2007 UTC vs.
Revision 1.323 by root, Sat Jul 28 12:02:58 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	132	every server tick.
102		133
103	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
127		177
128	=back	178	=back
129		179
130	=cut	180	=cut
131		181
132	BEGIN {	182	BEGIN {
133	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	184	my $msg = join "", @_;
135	utf8::encode $msg;
136		185
137	$msg .= "\n"	186	$msg .= "\n"
138	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
139		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
143		195
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		203
151	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	205	# within the Safe compartment.
153	for my $pkg (qw(	206	for my $pkg (qw(
154	cf::global cf::attachable	207	cf::global cf::attachable
…		…
162	}	215	}
163		216
164	$Event::DIED = sub {	217	$Event::DIED = sub {
165	warn "error in event callback: @_";	218	warn "error in event callback: @_";
166	};	219	};
		220
		221	#############################################################################
167		222
168	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
169		224
170	=over 4	225	=over 4
171		226
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	246	$d
192	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
193	}	248	}
194		249
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
198		251
199	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
200		253
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
209		255
210	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
211		257
212	=cut	258	=cut
213		259
214	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
216	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
218		264
219	=item cf::lock_wait $string	265	=item cf::lock_wait $string
220		266
221	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
222		268
…		…
228	returned.	274	returned.
229		275
230	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
232		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
233	=cut	283	=cut
234		284
235	our %LOCK;	285	our %LOCK;
236		286
237	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
258	}	308	}
259	}	309	}
260		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
261	sub freeze_mainloop {	317	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
263		319
264	my $guard = Coro::guard {	320	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	322	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
270	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
271	}	381	}
272		382
273	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
274		384
275	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		390
281	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
282		392
283	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
284		394
285	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
288		399
289	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
292	fast or be very important.	403	fast or be very important.
…		…
295		406
296	sub sync_job(&) {	407	sub sync_job(&) {
297	my ($job) = @_;	408	my ($job) = @_;
298		409
299	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
300	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
302		415
303	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
315		428
316	while ($busy) {	429	while ($busy) {
317	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
318	}	431	}
319		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
320	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
321	} else {	441	} else {
322	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
323		443
324	$job->()	444	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
344		464
345	$coro	465	$coro
346	}	466	}
347		467
348	sub write_runtime {	468	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		469
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
352	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
353		474
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	475	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		476
358	aio_fsync $fh	477	sub _store_scalar {
359	and return;	478	open my $fh, ">", \my $buf
360		479	or die "fork_call: cannot open fh-to-buf in child : $!";
		480	Storable::store_fd $_[0], $fh;
361	close $fh	481	close $fh;
362	or return;
363		482
364	aio_rename "$runtime~", $runtime	483	$buf
365	and return;	484	}
366		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
367	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	655	}
369		656
370	=back	657	=back
371		658
372	=cut	659	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
381		668
382	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	671	Crossfire TRT).
385		672
386	=over 4	673	=over 4
387		674
388	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
389		676
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
553		840
554	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		845
559	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	847	my $pkg = shift @arg;
561		848
562	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
592	}	879	}
593		880
594	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
595	} else {	882	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	884	}
598		885
599	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
600	}	887	}
601		888
…		…
603	if (ref $_[0]) {	890	if (ref $_[0]) {
604	_object_attach @_;	891	_object_attach @_;
605	} else {	892	} else {
606	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
607	}	894	}
		895	_recalc_want;
608	};	896	};
609		897
610	# all those should be optimised	898	# all those should be optimised
611	sub cf::attachable::detach {	899	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
616	reattach ($obj);	904	reattach ($obj);
617	} else {	905	} else {
618	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
619	}	907	}
		908	_recalc_want;
620	};	909	};
621		910
622	sub cf::attachable::attached {	911	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
624		913
…		…
639	";	928	";
640	die if $@;	929	die if $@;
641	}	930	}
642		931
643	our $override;	932	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		934
646	sub override {	935	sub override {
647	$override = 1;	936	$override = 1;
648	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
649	}	938	}
650		939
651	sub do_invoke {	940	sub do_invoke {
652	my $event = shift;	941	my $event = shift;
653	my $callbacks = shift;	942	my $callbacks = shift;
654		943
655	@invoke_results = ();	944	@INVOKE_RESULTS = ();
656		945
657	local $override;	946	local $override;
658		947
659	for (@$callbacks) {	948	for (@$callbacks) {
660	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
677		966
678	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
679		968
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		972
684	=back	973	=back
685		974
686	=cut	975	=cut
687		976
688	#############################################################################	977	#############################################################################
689	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
690		990
691	sub reattach {	991	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	993	my ($obj) = @_;
694		994
…		…
747	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
748		1048
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1053	close $fh;
754		1054
755	if (@$objs) {	1055	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1061	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
763	}	1063	}
764	} else {	1064	} else {
765	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
797	or return;	1097	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1099	}
800		1100
801	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1103	return ($data, $av);
804	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
805		1111
806	#############################################################################	1112	#############################################################################
807	# command handling &c	1113	# command handling &c
808		1114
809	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1129	}
824		1130
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1132
827	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
828		1138
829	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
830	called.	1140	called.
831		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
832	=cut	1153	=cut
833		1154
834	sub register_extcmd {	1155	sub register_extcmd {
835	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
836		1157
837	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
838	}	1165	}
839		1166
840	cf::player->attach (	1167	cf::player->attach (
841	on_command => sub {	1168	on_command => sub {
842	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1178	cf::override;
852	},	1179	},
853	on_extcmd => sub {	1180	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
855		1182
856	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1184
858	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
861	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
862	}	1195	if $reply;
863	}	1196	}
864	} else {	1197	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1199	}
867		1200
868	cf::override;	1201	cf::override;
869	},	1202	},
870	);	1203	);
871		1204
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
907	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1210	next unless -r $path;
909	eval {	1211
910	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
911	1	1269	}
912	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
913	}	1275	};
914	}	1276	}
915		1277
916	#############################################################################	1278	#############################################################################
917		1279
		1280	=back
		1281
918	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
919		1283
920	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
921		1285
922	=cut	1286	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
935		1299
936	=cut	1300	=cut
937		1301
938	sub playerdir($) {	1302	sub playerdir($) {
939	cf::localdir	1303	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1305	}
945		1306
946	sub path($) {	1307	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1309
949	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
950	}	1311	}
951		1312
952	sub find_active($) {	1313	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
957		1318
958	sub exists($) {	1319	sub exists($) {
959	my ($login) = @_;	1320	my ($login) = @_;
960		1321
961	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
963	}	1324	}
964		1325
965	sub find($) {	1326	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1328	my $login = $_[0];
968		1329
969	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
970		1331
971	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
972	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
973	or return;	1341	or return;
974	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
975	}	1343	}
976	}	1344	}
…		…
1013		1381
1014	=cut	1382	=cut
1015		1383
1016	sub quit_character {	1384	sub quit_character {
1017	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1018		1388
1019	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1390	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1391
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1401	$pl->destroy;
		1402
		1403	my $prefix = qr<^~\Q$name\E/>;
		1404
		1405	# nuke player maps
		1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1407
1032	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
		1409	}
		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
1033	}	1423	}
1034		1424
1035	=item cf::player::list_logins	1425	=item cf::player::list_logins
1036		1426
1037	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1039		1429
1040	=cut	1430	=cut
1041		1431
1042	sub list_logins {	1432	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1434	or return [];
1045		1435
1046	my @logins;	1436	my @logins;
1047		1437
1048	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1065	=cut	1455	=cut
1066		1456
1067	sub maps($) {	1457	sub maps($) {
1068	my ($pl) = @_;	1458	my ($pl) = @_;
1069		1459
		1460	$pl = ref $pl ? $pl->ob->name : $pl;
		1461
1070	my $files = aio_readdir playerdir $pl	1462	my $files = aio_readdir playerdir $pl
1071	or return;	1463	or return;
1072		1464
1073	my @paths;	1465	my @paths;
1074		1466
1075	for (@$files) {	1467	for (@$files) {
1076	utf8::decode $_;	1468	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1469	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1470	next unless /^$PATH_SEP/o;
1079		1471
1080	s/\.map$//;	1472	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1473	}
1083		1474
1084	\@paths	1475	\@paths
1085	}	1476	}
1086		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1088		1529
1089	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1090		1531
1091	=cut	1532	=cut
1092		1533
1093	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1095		1536
1096	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1097		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1098	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1099	}	1544	}
1100		1545
1101	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1102		1586
1103	=back	1587	=back
1104
1105		1588
1106	=head3 cf::map	1589	=head3 cf::map
1107		1590
1108	=over 4	1591	=over 4
1109		1592
…		…
1121	our $MAX_RESET = 3600;	1604	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1605	our $DEFAULT_RESET = 3000;
1123		1606
1124	sub generate_random_map {	1607	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1608	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1609	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1610	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1622	)
1141	}	1623	}
1142		1624
		1625	=item cf::map->register ($regex, $prio)
		1626
		1627	Register a handler for the map path matching the given regex at the
		1628	givne priority (higher is better, built-in handlers have priority 0, the
		1629	default).
		1630
		1631	=cut
		1632
1143	sub register {	1633	sub register {
1144	my (undef, $regex) = @_;	1634	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1635	my $pkg = caller;
1146		1636
1147	no strict;	1637	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1638	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1639
1150	$EXT_MAP{$pkg} = qr<$regex>;	1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1641	}
1152		1642
1153	# also paths starting with '/'	1643	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1645
1156	sub thawer_merge {	1646	sub thawer_merge {
1157	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1158		1648
1159	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1160	local $self->{path};	1650	local $self->{path};
1161	local $self->{load_path};	1651	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1652
1165	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1166	}	1654	}
1167		1655
1168	sub normalise {	1656	sub normalise {
1169	my ($path, $base) = @_;	1657	my ($path, $base) = @_;
		1658
		1659	$path = "$path"; # make sure its a string
		1660
		1661	$path =~ s/\.map$//;
1170		1662
1171	# map plan:	1663	# map plan:
1172	#	1664	#
1173	# /! non-realised random map exit (special hack!)	1665	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1666	# {... are special paths that are not being touched
…		…
1202		1694
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1695	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1696
1205	$path = normalise $path, $base;	1697	$path = normalise $path, $base;
1206		1698
1207	for my $pkg (keys %EXT_MAP) {	1699	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1700	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1701	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1702	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1212	return $self;	1704	return $self;
1213	}	1705	}
1214	}	1706	}
1215		1707
1216	Carp::carp "unable to resolve path '$path'.";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1709	()
1218	}	1710	}
1219		1711
1220	sub init {	1712	sub init {
1221	my ($self) = @_;	1713	my ($self) = @_;
…		…
1236		1728
1237	# the original (read-only) location	1729	# the original (read-only) location
1238	sub load_path {	1730	sub load_path {
1239	my ($self) = @_;	1731	my ($self) = @_;
1240		1732
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1242	}	1734	}
1243		1735
1244	# the temporary/swap location	1736	# the temporary/swap location
1245	sub save_path {	1737	sub save_path {
1246	my ($self) = @_;	1738	my ($self) = @_;
1247		1739
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1250	}	1742	}
1251		1743
1252	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1253	sub uniq_path {	1745	sub uniq_path {
1254	my ($self) = @_;	1746	my ($self) = @_;
1255		1747
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1258	}	1750	}
1259		1751
1260	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1261	# all maps in C++...	1753	# all maps in C++...
1262	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1264		1756
1265	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1267	}	1759	}
1268		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
1269	sub unlink_save {	1769	sub unlink_save {
1270	my ($self) = @_;	1770	my ($self) = @_;
1271		1771
1272	utf8::encode (my $save = $self->save_path);	1772	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1776
1277	sub load_header_from($) {	1777	sub load_header_from($) {
1278	my ($self, $path) = @_;	1778	my ($self, $path) = @_;
1279		1779
1280	utf8::encode $path;	1780	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1781	#aio_open $path, O_RDONLY, 0
1282	or return;	1782	# or return;
1283		1783
1284	$self->_load_header ($path)	1784	$self->_load_header ($path)
1285	or return;	1785	or return;
1286		1786
1287	$self->{load_path} = $path;	1787	$self->{load_path} = $path;
1288		1788
1289	1	1789	1
1290	}	1790	}
1291		1791
1292	sub load_orig {	1792	sub load_header_orig {
1293	my ($self) = @_;	1793	my ($self) = @_;
1294		1794
1295	$self->load_header_from ($self->load_path)	1795	$self->load_header_from ($self->load_path)
1296	}	1796	}
1297		1797
1298	sub load_temp {	1798	sub load_header_temp {
1299	my ($self) = @_;	1799	my ($self) = @_;
1300		1800
1301	$self->load_header_from ($self->save_path)	1801	$self->load_header_from ($self->save_path)
		1802	}
		1803
		1804	sub prepare_temp {
		1805	my ($self) = @_;
		1806
		1807	$self->last_access ((delete $self->{last_access})
		1808	|| $cf::RUNTIME); #d#
		1809	# safety
		1810	$self->{instantiate_time} = $cf::RUNTIME
		1811	if $self->{instantiate_time} > $cf::RUNTIME;
		1812	}
		1813
		1814	sub prepare_orig {
		1815	my ($self) = @_;
		1816
		1817	$self->{load_original} = 1;
		1818	$self->{instantiate_time} = $cf::RUNTIME;
		1819	$self->last_access ($cf::RUNTIME);
		1820	$self->instantiate;
1302	}	1821	}
1303		1822
1304	sub load_header {	1823	sub load_header {
1305	my ($self) = @_;	1824	my ($self) = @_;
1306		1825
1307	if ($self->load_temp) {	1826	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1827	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1828	} else {
1314	$self->load_orig	1829	$self->load_header_orig
1315	or return;	1830	or return;
1316		1831	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1832	}
		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
1322		1839
1323	1	1840	1
1324	}	1841	}
1325		1842
1326	sub find;	1843	sub find;
…		…
1339	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1340		1857
1341	$map->load_header	1858	$map->load_header
1342	or return;	1859	or return;
1343		1860
1344	if ($map->should_reset) {	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1862	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1346	$map->reset;	1864	$map->reset;
1347	undef $guard;	1865	undef $guard;
1348	$map = find $path	1866	return find $path;
1349	or return;
1350	}	1867	}
1351		1868
1352	$cf::MAP{$path} = $map	1869	$cf::MAP{$path} = $map
1353	}	1870	}
1354	}	1871	}
		1872
		1873	sub pre_load { }
		1874	sub post_load { }
1355		1875
1356	sub load {	1876	sub load {
1357	my ($self) = @_;	1877	my ($self) = @_;
1358		1878
		1879	local $self->{deny_reset} = 1; # loading can take a long time
		1880
1359	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1361		1885
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1363		1887
1364	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1365		1889
1366	$self->alloc;	1890	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)
1368	or return;
1369		1891
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1892	$self->pre_load;
1371	if delete $self->{load_original};
1372
1373	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {
1376	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);
1378	}
1379	}
1380
1381	Coro::cede;
1382
1383	# now do the right thing for maps
1384	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;	1893	Coro::cede;
1391	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1392	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	1913	unless $self->difficulty;
1394	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1395	$self->activate;	1923	$self->activate;
1396	}	1924	}
1397		1925
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1926	$self->in_memory (cf::MAP_IN_MEMORY);
		1927	}
		1928
		1929	$self->post_load;
1399	}	1930	}
1400		1931
1401	sub customise_for {	1932	sub customise_for {
1402	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1403		1934
1404	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1406		1940
1407	$self	1941	$self
1408	}	1942	}
1409		1943
1410	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
…		…
1442		1976
1443	cf::sync_job { $map->load };	1977	cf::sync_job { $map->load };
1444	}	1978	}
1445		1979
1446	our %MAP_PREFETCH;	1980	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	1981	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		1982
1460	sub find_async {	1983	sub find_async {
1461	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1462		1985
1463	$path = normalise $path, $origin && $origin->{path};	1986	$path = normalise $path, $origin && $origin->{path};
1464		1987
1465	if (my $map = $cf::MAP{$path}) {	1988	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	1990	}
1468		1991
1469	$MAP_PREFETCH{$path} = 0;	1992	undef $MAP_PREFETCH{$path};
		1993	$MAP_PREFETCHER ||= cf::async {
		1994	while (%MAP_PREFETCH) {
		1995	for my $path (keys %MAP_PREFETCH) {
		1996	if (my $map = find $path) {
		1997	$map->load;
		1998	}
		1999
		2000	delete $MAP_PREFETCH{$path};
		2001	}
		2002	}
		2003	undef $MAP_PREFETCHER;
		2004	};
1470	$MAP_PREFETCHER->ready;	2005	$MAP_PREFETCHER->prio (6);
1471		2006
1472	()	2007	()
1473	}	2008	}
1474		2009
1475	sub save {	2010	sub save {
…		…
1520		2055
1521	sub reset_at {	2056	sub reset_at {
1522	my ($self) = @_;	2057	my ($self) = @_;
1523		2058
1524	# TODO: safety, remove and allow resettable per-player maps	2059	# 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};	2060	return 1e99 if $self->{deny_reset};
1527		2061
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2064
…		…
1535	my ($self) = @_;	2069	my ($self) = @_;
1536		2070
1537	$self->reset_at <= $cf::RUNTIME	2071	$self->reset_at <= $cf::RUNTIME
1538	}	2072	}
1539		2073
1540	sub rename {
1541	my ($self, $new_path) = @_;
1542
1543	normalise $new_path;
1544
1545	$self->unlink_save;
1546
1547	delete $cf::MAP{$self->path};
1548	$self->{path} = $new_path; $self->path ($self->{path});
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2074	sub reset {
1555	my ($self) = @_;	2075	my ($self) = @_;
1556		2076
1557	my $lock = cf::lock_acquire "map_data:$self->{path}";	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2078
1559	return if $self->players;	2079	return if $self->players;
1560	return if $self->isa ("ext::map_per_player");#d#
1561		2080
1562	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
		2082
		2083	$self->in_memory (cf::MAP_SWAPPED);
		2084
		2085	# need to save uniques path
		2086	unless ($self->{deny_save}) {
		2087	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2088
		2089	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2090	if $uniq;
		2091	}
1563		2092
1564	delete $cf::MAP{$self->path};	2093	delete $cf::MAP{$self->path};
1565		2094
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	$self->clear;	2095	$self->clear;
1568		2096
1569	$_->clear_links_to ($self) for values %cf::MAP;	2097	$_->clear_links_to ($self) for values %cf::MAP;
1570		2098
1571	$self->unlink_save;	2099	$self->unlink_save;
…		…
1575	my $nuke_counter = "aaaa";	2103	my $nuke_counter = "aaaa";
1576		2104
1577	sub nuke {	2105	sub nuke {
1578	my ($self) = @_;	2106	my ($self) = @_;
1579		2107
		2108	delete $cf::MAP{$self->path};
		2109
		2110	$self->unlink_save;
		2111
		2112	bless $self, "cf::map";
		2113	delete $self->{deny_reset};
1580	$self->{deny_save} = 1;	2114	$self->{deny_save} = 1;
1581	$self->reset_timeout (1);	2115	$self->reset_timeout (1);
1582	$self->rename ("{nuke}/" . ($nuke_counter++));	2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2117
		2118	$cf::MAP{$self->path} = $self;
		2119
1583	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
		2121	}
		2122
		2123	=item $maps = cf::map::tmp_maps
		2124
		2125	Returns an arrayref with all map paths of currently instantiated and saved
		2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
		2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
		2140
		2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
1584	}	2157	}
1585		2158
1586	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1587		2160
1588	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1589	instantiated unique items. May block.	2162	instantiated unique items. May block.
1590		2163
1591	=cut	2164	=cut
1592		2165
1593	sub unique_maps() {	2166	sub unique_maps() {
1594	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1595	or return;	2168	map {
1596
1597	my @paths;
1598
1599	for (@$files) {
1600	utf8::decode $_;	2169	utf8::decode $_;
1601	next if /\.pst$/;
1602	next unless /^$PATH_SEP/o;
1603
1604	s/\.map$//;	2170	/\.map$/
1605	push @paths, $_;	2171	? normalise $_
		2172	: ()
		2173	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2174	]
1607
1608	\@paths
1609	}	2175	}
1610		2176
1611	package cf;	2177	package cf;
1612		2178
1613	=back	2179	=back
…		…
1659		2225
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2227
1662	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1664	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1667	}	2242	}
1668	}	2243	}
1669		2244
1670	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1671		2246
…		…
1704	=cut	2279	=cut
1705		2280
1706	sub link_map {	2281	sub link_map {
1707	unless ($LINK_MAP) {	2282	unless ($LINK_MAP) {
1708	$LINK_MAP = cf::map::find "{link}"	2283	$LINK_MAP = cf::map::find "{link}"
1709	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2284	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1710	$LINK_MAP->load;	2285	$LINK_MAP->load;
1711	}	2286	}
1712		2287
1713	$LINK_MAP	2288	$LINK_MAP
1714	}	2289	}
…		…
1719	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1720		2295
1721	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1722		2297
1723	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1724	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1725		2300
1726	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1727	}	2302	}
1728		2303
1729	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1730	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1731		2308
1732	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1733		2310
1734	unless ($map) {	2311	unless ($map) {
1735	# restore original map position	2312	# restore original map position
…		…
1753	$map->load;	2330	$map->load;
1754	$map->load_diag;	2331	$map->load_diag;
1755		2332
1756	return unless $self->contr->active;	2333	return unless $self->contr->active;
1757	$self->activate_recursive;	2334	$self->activate_recursive;
		2335
		2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1758	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1759	}	2338	}
1760		2339
1761	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1762	on_logout => sub {
1763	my ($pl) = @_;
1764		2341
1765	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1766	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1767	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1768	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1769	};	2346	be called at the end of this process.
1770	}
1771	},
1772	on_login => sub {
1773	my ($pl) = @_;
1774		2347
1775	# try to abort aborted map switching on player login :)
1776	# should happen only on crashes
1777	if ($pl->ob->{_link_pos}) {
1778	$pl->ob->enter_link;
1779	(async {
1780	# we need this sleep as the login has a concurrent enter_exit running
1781	# and this sleep increases chances of the player not ending up in scorn
1782	$pl->ob->reply (undef,
1783	"There was an internal problem at your last logout, "
1784	. "the server will try to bring you to your intended destination in a second.",
1785	cf::NDI_RED);
1786	Coro::Timer::sleep 1;
1787	$pl->ob->leave_link;
1788	})->prio (2);
1789	}
1790	},
1791	);
1792
1793	=item $player_object->goto ($path, $x, $y)
1794
1795	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1796		2351
1797	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1798	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
		2354
		2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1799		2357
1800	$self->enter_link;	2358	$self->enter_link;
1801		2359
1802	(async {	2360	(async {
		2361	my $map = eval {
1803	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1804	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
1805		2366	$map = $check->($map) if $check && $map;
1806	# warn "entering ", $map->path, " at ($x, $y)\n"	2367	} else {
1807	# if $map;
1808
1809	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
1810		2370
		2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
		2377	}
		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1811	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1812	})->prio (1);	2385	})->prio (1);
1813	}	2386	}
1814		2387
1815	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1816		2389
…		…
1818		2391
1819	sub parse_random_map_params {	2392	sub parse_random_map_params {
1820	my ($spec) = @_;	2393	my ($spec) = @_;
1821		2394
1822	my $rmp = { # defaults	2395	my $rmp = { # defaults
1823	xsize => 10,	2396	xsize => (cf::rndm 15, 40),
1824	ysize => 10,	2397	ysize => (cf::rndm 15, 40),
		2398	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2399	#layout => string,
1825	};	2400	};
1826		2401
1827	for (split /\n/, $spec) {	2402	for (split /\n/, $spec) {
1828	my ($k, $v) = split /\s+/, $_, 2;	2403	my ($k, $v) = split /\s+/, $_, 2;
1829		2404
…		…
1833	$rmp	2408	$rmp
1834	}	2409	}
1835		2410
1836	sub prepare_random_map {	2411	sub prepare_random_map {
1837	my ($exit) = @_;	2412	my ($exit) = @_;
		2413
		2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
1838		2415
1839	# all this does is basically replace the /! path by	2416	# all this does is basically replace the /! path by
1840	# a new random map path (?random/...) with a seed	2417	# a new random map path (?random/...) with a seed
1841	# that depends on the exit object	2418	# that depends on the exit object
1842		2419
1843	my $rmp = parse_random_map_params $exit->msg;	2420	my $rmp = parse_random_map_params $exit->msg;
1844		2421
1845	if ($exit->map) {	2422	if ($exit->map) {
1846	$rmp->{region} = $exit->map->region_name;	2423	$rmp->{region} = $exit->region->name;
1847	$rmp->{origin_map} = $exit->map->path;	2424	$rmp->{origin_map} = $exit->map->path;
1848	$rmp->{origin_x} = $exit->x;	2425	$rmp->{origin_x} = $exit->x;
1849	$rmp->{origin_y} = $exit->y;	2426	$rmp->{origin_y} = $exit->y;
1850	}	2427	}
1851		2428
1852	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1853		2430
1854	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1855	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
		2433	my $meta = "$RANDOMDIR/$md5.meta";
1856		2434
1857	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1858	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
		2437	undef $fh;
		2438	aio_rename "$meta~", $meta;
1859		2439
1860	$exit->slaying ("?random/$md5");	2440	$exit->slaying ("?random/$md5");
1861	$exit->msg (undef);	2441	$exit->msg (undef);
1862	}	2442	}
1863	}	2443	}
…		…
1865	sub cf::object::player::enter_exit {	2445	sub cf::object::player::enter_exit {
1866	my ($self, $exit) = @_;	2446	my ($self, $exit) = @_;
1867		2447
1868	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1869		2449
		2450	if ($exit->slaying eq "/!") {
		2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2452	# the problem is that $exit might not survive long enough
		2453	# so it needs to be done right now, right here
		2454	cf::sync_job { prepare_random_map $exit };
		2455	}
		2456
		2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2458	my $hp = $exit->stats->hp;
		2459	my $sp = $exit->stats->sp;
		2460
1870	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1871		2466
1872	(async {	2467	(async {
1873	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1874	unless (eval {	2469	unless (eval {
1875	prepare_random_map $exit	2470	$self->goto ($slaying, $hp, $sp);
1876	if $exit->slaying eq "/!";
1877
1878	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1879	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1880		2471
1881	1;	2472	1;
1882	}) {	2473	}) {
1883	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1884	. "I'll try to bring you back to the map you were before. "	2475	. "I'll try to bring you back to the map you were before. "
1885	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1886	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1887		2478
1888	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1889	$self->leave_link;	2480	$self->leave_link;
1890	}	2481	}
1891	})->prio (1);	2482	})->prio (1);
…		…
1904		2495
1905	sub cf::client::send_drawinfo {	2496	sub cf::client::send_drawinfo {
1906	my ($self, $text, $flags) = @_;	2497	my ($self, $text, $flags) = @_;
1907		2498
1908	utf8::encode $text;	2499	utf8::encode $text;
1909	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1910	}	2501	}
1911		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => $channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	# default colour, mask it out
		2533	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2534	if $color & cf::NDI_DEF;
		2535
		2536	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2537	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2538	} else {
		2539	if ($color >= 0) {
		2540	# replace some tags by gcfclient-compatible ones
		2541	for ($msg) {
		2542	1 while
		2543	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2544	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2545	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2546	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2547	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2548	}
		2549
		2550	$color &= cf::NDI_COLOR_MASK;
		2551
		2552	if (0 && $msg =~ /\[/) {
		2553	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2554	} else {
		2555	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2556	$self->send_packet ("drawinfo $color $msg")
		2557	}
		2558	}
		2559	}
		2560	}
		2561
		2562	=item $client->ext_msg ($type, @msg)
		2563
		2564	Sends an ext event to the client.
		2565
		2566	=cut
		2567
		2568	sub cf::client::ext_msg($$@) {
		2569	my ($self, $type, @msg) = @_;
		2570
		2571	my $extcmd = $self->extcmd;
		2572
		2573	if ($extcmd == 2) {
		2574	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2575	} elsif ($extcmd == 1) { # TODO: remove
		2576	push @msg, msgtype => "event_$type";
		2577	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2578	}
		2579	}
1912		2580
1913	=item $success = $client->query ($flags, "text", \&cb)	2581	=item $success = $client->query ($flags, "text", \&cb)
1914		2582
1915	Queues a query to the client, calling the given callback with	2583	Queues a query to the client, calling the given callback with
1916	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2584	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1917	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2585	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1918		2586
1919	Queries can fail, so check the return code. Or don't, as queries will become	2587	Queries can fail, so check the return code. Or don't, as queries will
1920	reliable at some point in the future.	2588	become reliable at some point in the future.
1921		2589
1922	=cut	2590	=cut
1923		2591
1924	sub cf::client::query {	2592	sub cf::client::query {
1925	my ($self, $flags, $text, $cb) = @_;	2593	my ($self, $flags, $text, $cb) = @_;
…		…
1933	utf8::encode $text;	2601	utf8::encode $text;
1934	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2602	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1935		2603
1936	$self->send_packet ($self->{query_queue}[0][0])	2604	$self->send_packet ($self->{query_queue}[0][0])
1937	if @{ $self->{query_queue} } == 1;	2605	if @{ $self->{query_queue} } == 1;
		2606
		2607	1
1938	}	2608	}
1939		2609
1940	cf::client->attach (	2610	cf::client->attach (
		2611	on_connect => sub {
		2612	my ($ns) = @_;
		2613
		2614	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2615	},
1941	on_reply => sub {	2616	on_reply => sub {
1942	my ($ns, $msg) = @_;	2617	my ($ns, $msg) = @_;
1943		2618
1944	# this weird shuffling is so that direct followup queries	2619	# this weird shuffling is so that direct followup queries
1945	# get handled first	2620	# get handled first
1946	my $queue = delete $ns->{query_queue}	2621	my $queue = delete $ns->{query_queue}
1947	or return; # be conservative, not sure how that can happen, but we saw a crash here	2622	or return; # be conservative, not sure how that can happen, but we saw a crash here
1948		2623
1949	(shift @$queue)->[1]->($msg);	2624	(shift @$queue)->[1]->($msg);
		2625	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1950		2626
1951	push @{ $ns->{query_queue} }, @$queue;	2627	push @{ $ns->{query_queue} }, @$queue;
1952		2628
1953	if (@{ $ns->{query_queue} } == @$queue) {	2629	if (@{ $ns->{query_queue} } == @$queue) {
1954	if (@$queue) {	2630	if (@$queue) {
…		…
1956	} else {	2632	} else {
1957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2633	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1958	}	2634	}
1959	}	2635	}
1960	},	2636	},
		2637	on_exticmd => sub {
		2638	my ($ns, $buf) = @_;
		2639
		2640	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2641
		2642	if (ref $msg) {
		2643	my ($type, $reply, @payload) =
		2644	"ARRAY" eq ref $msg
		2645	? @$msg
		2646	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2647
		2648	if (my $cb = $EXTICMD{$type}) {
		2649	my @reply = $cb->($ns, @payload);
		2650
		2651	$ns->ext_reply ($reply, @reply)
		2652	if $reply;
		2653	}
		2654	} else {
		2655	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2656	}
		2657
		2658	cf::override;
		2659	},
1961	);	2660	);
1962		2661
1963	=item $client->async (\&cb)	2662	=item $client->async (\&cb)
1964		2663
1965	Create a new coroutine, running the specified callback. The coroutine will	2664	Create a new coroutine, running the specified callback. The coroutine will
…		…
2012		2711
2013	# here we export the classes and methods available to script code	2712	# here we export the classes and methods available to script code
2014		2713
2015	=pod	2714	=pod
2016		2715
2017	The following fucntions and emthods are available within a safe environment:	2716	The following functions and methods are available within a safe environment:
2018		2717
2019	cf::object contr pay_amount pay_player map	2718	cf::object
		2719	contr pay_amount pay_player map x y force_find force_add
		2720	insert remove
		2721
2020	cf::object::player player	2722	cf::object::player
2021	cf::player peaceful	2723	player
2022	cf::map trigger	2724
		2725	cf::player
		2726	peaceful
		2727
		2728	cf::map
		2729	trigger
2023		2730
2024	=cut	2731	=cut
2025		2732
2026	for (	2733	for (
2027	["cf::object" => qw(contr pay_amount pay_player map)],	2734	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2735	insert remove)],
2028	["cf::object::player" => qw(player)],	2736	["cf::object::player" => qw(player)],
2029	["cf::player" => qw(peaceful)],	2737	["cf::player" => qw(peaceful)],
2030	["cf::map" => qw(trigger)],	2738	["cf::map" => qw(trigger)],
2031	) {	2739	) {
2032	no strict 'refs';	2740	no strict 'refs';
…		…
2103	=back	2811	=back
2104		2812
2105	=cut	2813	=cut
2106		2814
2107	#############################################################################	2815	#############################################################################
		2816	# the server's init and main functions
2108		2817
2109	=head2 EXTENSION DATABASE SUPPORT	2818	sub load_facedata($) {
		2819	my ($path) = @_;
2110		2820
2111	Crossfire maintains a very simple database for extension use. It can	2821	warn "loading facedata from $path\n";
2112	currently store anything that can be serialised using Storable, which
2113	excludes objects.
2114		2822
2115	The parameter C<$family> should best start with the name of the extension	2823	my $facedata;
2116	using it, it should be unique.	2824	0 < aio_load $path, $facedata
		2825	or die "$path: $!";
2117		2826
2118	=over 4	2827	$facedata = Coro::Storable::thaw $facedata;
2119		2828
2120	=item $hashref = cf::db_get $family	2829	$facedata->{version} == 2
		2830	or cf::cleanup "$path: version mismatch, cannot proceed.";
2121		2831
2122	Return a hashref for use by the extension C<$family>, which can be
2123	modified. After modifications, you have to call C<cf::db_dirty> or
2124	C<cf::db_sync>.
2125
2126	=item $value = cf::db_get $family => $key
2127
2128	Returns a single value from the database
2129
2130	=item cf::db_put $family => $hashref
2131
2132	Stores the given family hashref into the database. Updates are delayed, if
2133	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_put $family => $key => $value
2136
2137	Stores the given C<$value> in the family hash. Updates are delayed, if you
2138	want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_dirty
2141
2142	Marks the database as dirty, to be updated at a later time.
2143
2144	=item cf::db_sync
2145
2146	Immediately write the database to disk I<if it is dirty>.
2147
2148	=cut
2149
2150	our $DB;
2151
2152	{
2153	my $path = cf::localdir . "/database.pst";
2154
2155	sub db_load() {
2156	$DB = stat $path ? Storable::retrieve $path : { };
2157	}	2832	{
		2833	my $faces = $facedata->{faceinfo};
2158		2834
2159	my $pid;	2835	while (my ($face, $info) = each %$faces) {
		2836	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2837	cf::face::set_visibility $idx, $info->{visibility};
		2838	cf::face::set_magicmap $idx, $info->{magicmap};
		2839	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2840	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2160		2841
2161	sub db_save() {	2842	cf::cede_to_tick;
2162	waitpid $pid, 0 if $pid;
2163	if (0 == ($pid = fork)) {
2164	$DB->{_meta}{version} = 1;
2165	Storable::nstore $DB, "$path~";
2166	rename "$path~", $path;
2167	cf::_exit 0 if defined $pid;
2168	}
2169	}
2170
2171	my $dirty;
2172
2173	sub db_sync() {
2174	db_save if $dirty;
2175	undef $dirty;
2176	}
2177
2178	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2179	db_sync;
2180	});
2181
2182	sub db_dirty() {
2183	$dirty = 1;
2184	$idle->start;
2185	}
2186
2187	sub db_get($;$) {
2188	@_ >= 2
2189	? $DB->{$_[0]}{$_[1]}
2190	: ($DB->{$_[0]} ||= { })
2191	}
2192
2193	sub db_put($$;$) {
2194	if (@_ >= 3) {
2195	$DB->{$_[0]}{$_[1]} = $_[2];
2196	} else {
2197	$DB->{$_[0]} = $_[1];
2198	}
2199	db_dirty;
2200	}
2201
2202	cf::global->attach (
2203	prio => 10000,
2204	on_cleanup => sub {
2205	db_sync;
2206	},	2843	}
2207	);
2208	}
2209		2844
2210	#############################################################################	2845	while (my ($face, $info) = each %$faces) {
2211	# the server's main()	2846	next unless $info->{smooth};
		2847	my $idx = cf::face::find $face
		2848	or next;
		2849	if (my $smooth = cf::face::find $info->{smooth}) {
		2850	cf::face::set_smooth $idx, $smooth;
		2851	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2852	} else {
		2853	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2854	}
		2855
		2856	cf::cede_to_tick;
		2857	}
		2858	}
		2859
		2860	{
		2861	my $anims = $facedata->{animinfo};
		2862
		2863	while (my ($anim, $info) = each %$anims) {
		2864	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2865	cf::cede_to_tick;
		2866	}
		2867
		2868	cf::anim::invalidate_all; # d'oh
		2869	}
		2870
		2871	{
		2872	# TODO: for gcfclient pleasure, we should give resources
		2873	# that gcfclient doesn't grok a >10000 face index.
		2874	my $res = $facedata->{resource};
		2875	my $enc = JSON::XS->new->utf8->canonical;
		2876
		2877	my $soundconf = delete $res->{"res/sound.conf"};
		2878
		2879	while (my ($name, $info) = each %$res) {
		2880	my $meta = $enc->encode ({
		2881	name => $name,
		2882	%{ $info->{meta} || {} },
		2883	});
		2884
		2885	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2886
		2887	if ($info->{type} & 1) {
		2888	# prepend meta info
		2889
		2890	my $data = pack "(w/a*)*", $meta, $info->{data};
		2891	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2892
		2893	cf::face::set_data $idx, 0, $data, $chk;
		2894	} else {
		2895	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2896	}
		2897
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911
		2912	cf::sound::set $sound->[0] => $face;
		2913	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2914	}
		2915
		2916	#TODO
		2917	}
		2918	}
		2919
		2920	1
		2921	}
		2922
		2923	register_exticmd fx_want => sub {
		2924	my ($ns, $want) = @_;
		2925
		2926	while (my ($k, $v) = each %$want) {
		2927	$ns->fx_want ($k, $v);
		2928	}
		2929	};
		2930
		2931	sub reload_regions {
		2932	load_resource_file "$MAPDIR/regions"
		2933	or die "unable to load regions file\n";
		2934
		2935	for (cf::region::list) {
		2936	$_->{match} = qr/$_->{match}/
		2937	if exists $_->{match};
		2938	}
		2939	}
		2940
		2941	sub reload_facedata {
		2942	load_facedata "$DATADIR/facedata"
		2943	or die "unable to load facedata\n";
		2944	}
		2945
		2946	sub reload_archetypes {
		2947	load_resource_file "$DATADIR/archetypes"
		2948	or die "unable to load archetypes\n";
		2949	#d# NEED to laod twice to resolve forward references
		2950	# this really needs to be done in an extra post-pass
		2951	# (which needs to be synchronous, so solve it differently)
		2952	load_resource_file "$DATADIR/archetypes"
		2953	or die "unable to load archetypes\n";
		2954	}
		2955
		2956	sub reload_treasures {
		2957	load_resource_file "$DATADIR/treasures"
		2958	or die "unable to load treasurelists\n";
		2959	}
		2960
		2961	sub reload_resources {
		2962	warn "reloading resource files...\n";
		2963
		2964	reload_regions;
		2965	reload_facedata;
		2966	#reload_archetypes;#d#
		2967	reload_archetypes;
		2968	reload_treasures;
		2969
		2970	warn "finished reloading resource files\n";
		2971	}
		2972
		2973	sub init {
		2974	reload_resources;
		2975	}
2212		2976
2213	sub cfg_load {	2977	sub cfg_load {
2214	open my $fh, "<:utf8", cf::confdir . "/config"	2978	open my $fh, "<:utf8", "$CONFDIR/config"
2215	or return;	2979	or return;
2216		2980
2217	local $/;	2981	local $/;
2218	*CFG = YAML::Syck::Load <$fh>;	2982	*CFG = YAML::Syck::Load <$fh>;
2219		2983
…		…
2233		2997
2234	sub main {	2998	sub main {
2235	# we must not ever block the main coroutine	2999	# we must not ever block the main coroutine
2236	local $Coro::idle = sub {	3000	local $Coro::idle = sub {
2237	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3001	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3002	(async {
2238	async { Event::one_event };	3003	Event::one_event;
		3004	})->prio (Coro::PRIO_MAX);
2239	};	3005	};
2240		3006
2241	cfg_load;	3007	cfg_load;
2242	db_load;	3008	db_init;
2243	load_extensions;	3009	load_extensions;
		3010
		3011	$TICK_WATCHER->start;
2244	Event::loop;	3012	Event::loop;
2245	}	3013	}
2246		3014
2247	#############################################################################	3015	#############################################################################
2248	# initialisation and cleanup	3016	# initialisation and cleanup
2249		3017
2250	# install some emergency cleanup handlers	3018	# install some emergency cleanup handlers
2251	BEGIN {	3019	BEGIN {
2252	for my $signal (qw(INT HUP TERM)) {	3020	for my $signal (qw(INT HUP TERM)) {
2253	Event->signal (	3021	Event->signal (
		3022	reentrant => 0,
2254	data => WF_AUTOCANCEL,	3023	data => WF_AUTOCANCEL,
2255	signal => $signal,	3024	signal => $signal,
		3025	prio => 0,
2256	cb => sub {	3026	cb => sub {
2257	cf::cleanup "SIG$signal";	3027	cf::cleanup "SIG$signal";
2258	},	3028	},
2259	);	3029	);
2260	}	3030	}
		3031	}
		3032
		3033	sub write_runtime {
		3034	my $runtime = "$LOCALDIR/runtime";
		3035
		3036	# first touch the runtime file to show we are still running:
		3037	# the fsync below can take a very very long time.
		3038
		3039	IO::AIO::aio_utime $runtime, undef, undef;
		3040
		3041	my $guard = cf::lock_acquire "write_runtime";
		3042
		3043	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3044	or return;
		3045
		3046	my $value = $cf::RUNTIME + 90 + 10;
		3047	# 10 is the runtime save interval, for a monotonic clock
		3048	# 60 allows for the watchdog to kill the server.
		3049
		3050	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3051	and return;
		3052
		3053	# always fsync - this file is important
		3054	aio_fsync $fh
		3055	and return;
		3056
		3057	# touch it again to show we are up-to-date
		3058	aio_utime $fh, undef, undef;
		3059
		3060	close $fh
		3061	or return;
		3062
		3063	aio_rename "$runtime~", $runtime
		3064	and return;
		3065
		3066	warn "runtime file written.\n";
		3067
		3068	1
2261	}	3069	}
2262		3070
2263	sub emergency_save() {	3071	sub emergency_save() {
2264	my $freeze_guard = cf::freeze_mainloop;	3072	my $freeze_guard = cf::freeze_mainloop;
2265		3073
…		…
2282	my $map = $cf::MAP{$path} or next;	3090	my $map = $cf::MAP{$path} or next;
2283	$map->valid or next;	3091	$map->valid or next;
2284	$map->save;	3092	$map->save;
2285	}	3093	}
2286	warn "end emergency map save\n";	3094	warn "end emergency map save\n";
		3095
		3096	warn "begin emergency database checkpoint\n";
		3097	BDB::db_env_txn_checkpoint $DB_ENV;
		3098	warn "end emergency database checkpoint\n";
2287	};	3099	};
2288		3100
2289	warn "leave emergency perl save\n";	3101	warn "leave emergency perl save\n";
2290	}	3102	}
2291		3103
		3104	sub post_cleanup {
		3105	my ($make_core) = @_;
		3106
		3107	warn Carp::longmess "post_cleanup backtrace"
		3108	if $make_core;
		3109	}
		3110
2292	sub reload() {	3111	sub do_reload_perl() {
2293	# can/must only be called in main	3112	# can/must only be called in main
2294	if ($Coro::current != $Coro::main) {	3113	if ($Coro::current != $Coro::main) {
2295	warn "can only reload from main coroutine\n";	3114	warn "can only reload from main coroutine";
2296	return;	3115	return;
2297	}	3116	}
2298		3117
2299	warn "reloading...";	3118	warn "reloading...";
2300		3119
2301	warn "freezing server";	3120	warn "entering sync_job";
2302	my $guard = freeze_mainloop;	3121
		3122	cf::sync_job {
		3123	cf::write_runtime; # external watchdog should not bark
2303	cf::emergency_save;	3124	cf::emergency_save;
		3125	cf::write_runtime; # external watchdog should not bark
2304		3126
2305	warn "sync database to disk";	3127	warn "syncing database to disk";
2306	cf::db_sync;	3128	BDB::db_env_txn_checkpoint $DB_ENV;
2307	IO::AIO::flush;
2308		3129
2309	eval {
2310	# if anything goes wrong in here, we should simply crash as we already saved	3130	# if anything goes wrong in here, we should simply crash as we already saved
2311		3131
2312	warn "cancel all watchers";	3132	warn "cancelling all WF_AUTOCANCEL watchers";
2313	for (Event::all_watchers) {	3133	for (Event::all_watchers) {
2314	$_->cancel if $_->data & WF_AUTOCANCEL;	3134	$_->cancel if $_->data & WF_AUTOCANCEL;
2315	}	3135	}
2316		3136
		3137	warn "flushing outstanding aio requests";
		3138	for (;;) {
		3139	BDB::flush;
		3140	IO::AIO::flush;
		3141	Coro::cede;
		3142	last unless IO::AIO::nreqs || BDB::nreqs;
		3143	warn "iterate...";
		3144	}
		3145
		3146	++$RELOAD;
		3147
2317	warn "cancel all extension coros";	3148	warn "cancelling all extension coros";
2318	$_->cancel for values %EXT_CORO;	3149	$_->cancel for values %EXT_CORO;
2319	%EXT_CORO = ();	3150	%EXT_CORO = ();
2320		3151
2321	warn "remove commands";	3152	warn "removing commands";
2322	%COMMAND = ();	3153	%COMMAND = ();
2323		3154
2324	warn "remove ext commands";	3155	warn "removing ext/exti commands";
2325	%EXTCMD = ();	3156	%EXTCMD = ();
		3157	%EXTICMD = ();
2326		3158
2327	warn "unload/nuke all extensions";	3159	warn "unloading/nuking all extensions";
2328	for my $pkg (@EXTS) {	3160	for my $pkg (@EXTS) {
2329	warn "... unloading $pkg";	3161	warn "... unloading $pkg";
2330		3162
2331	if (my $cb = $pkg->can ("unload")) {	3163	if (my $cb = $pkg->can ("unload")) {
2332	eval {	3164	eval {
…		…
2337		3169
2338	warn "... nuking $pkg";	3170	warn "... nuking $pkg";
2339	Symbol::delete_package $pkg;	3171	Symbol::delete_package $pkg;
2340	}	3172	}
2341		3173
2342	warn "unload all perl modules loaded from $LIBDIR";	3174	warn "unloading all perl modules loaded from $LIBDIR";
2343	while (my ($k, $v) = each %INC) {	3175	while (my ($k, $v) = each %INC) {
2344	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3176	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2345		3177
2346	warn "removing <$k>";	3178	warn "... unloading $k";
2347	delete $INC{$k};	3179	delete $INC{$k};
2348		3180
2349	$k =~ s/\.pm$//;	3181	$k =~ s/\.pm$//;
2350	$k =~ s/\//::/g;	3182	$k =~ s/\//::/g;
2351		3183
…		…
2354	}	3186	}
2355		3187
2356	Symbol::delete_package $k;	3188	Symbol::delete_package $k;
2357	}	3189	}
2358		3190
2359	warn "get rid of safe::, as good as possible";	3191	warn "getting rid of safe::, as good as possible";
2360	Symbol::delete_package "safe::$_"	3192	Symbol::delete_package "safe::$_"
2361	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3193	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2362		3194
2363	warn "unload cf.pm \"a bit\"";	3195	warn "unloading cf.pm \"a bit\"";
2364	delete $INC{"cf.pm"};	3196	delete $INC{"cf.pm"};
		3197	delete $INC{"cf/pod.pm"};
2365		3198
2366	# don't, removes xs symbols, too,	3199	# don't, removes xs symbols, too,
2367	# and global variables created in xs	3200	# and global variables created in xs
2368	#Symbol::delete_package __PACKAGE__;	3201	#Symbol::delete_package __PACKAGE__;
2369		3202
		3203	warn "unload completed, starting to reload now";
		3204
2370	warn "reloading cf.pm";	3205	warn "reloading cf.pm";
2371	require cf;	3206	require cf;
2372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3207	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2373		3208
2374	warn "load config and database again";	3209	warn "loading config and database again";
2375	cf::cfg_load;	3210	cf::cfg_load;
2376	cf::db_load;
2377		3211
2378	warn "load extensions";	3212	warn "loading extensions";
2379	cf::load_extensions;	3213	cf::load_extensions;
2380		3214
2381	warn "reattach attachments to objects/players";	3215	warn "reattaching attachments to objects/players";
2382	_global_reattach;	3216	_global_reattach; # objects, sockets
2383	warn "reattach attachments to maps";	3217	warn "reattaching attachments to maps";
2384	reattach $_ for values %MAP;	3218	reattach $_ for values %MAP;
2385	};	3219	warn "reattaching attachments to players";
		3220	reattach $_ for values %PLAYER;
2386		3221
2387	if ($@) {	3222	warn "leaving sync_job";
		3223
		3224	1
		3225	} or do {
2388	warn $@;	3226	warn $@;
2389	warn "error while reloading, exiting.";	3227	warn "error while reloading, exiting.";
2390	exit 1;	3228	exit 1;
2391	}	3229	};
2392		3230
2393	warn "reloaded";	3231	warn "reloaded";
2394	};	3232	};
2395		3233
		3234	our $RELOAD_WATCHER; # used only during reload
		3235
		3236	sub reload_perl() {
		3237	# doing reload synchronously and two reloads happen back-to-back,
		3238	# coro crashes during coro_state_free->destroy here.
		3239
		3240	$RELOAD_WATCHER ||= Event->timer (
		3241	reentrant => 0,
		3242	after => 0,
		3243	data => WF_AUTOCANCEL,
		3244	cb => sub {
		3245	do_reload_perl;
		3246	undef $RELOAD_WATCHER;
		3247	},
		3248	);
		3249	}
		3250
2396	register_command "reload" => sub {	3251	register_command "reload" => sub {
2397	my ($who, $arg) = @_;	3252	my ($who, $arg) = @_;
2398		3253
2399	if ($who->flag (FLAG_WIZ)) {	3254	if ($who->flag (FLAG_WIZ)) {
2400	$who->message ("start of reload.");
2401	reload;
2402	$who->message ("end of reload.");	3255	$who->message ("reloading server.");
		3256	async { reload_perl };
2403	}	3257	}
2404	};	3258	};
2405		3259
2406	unshift @INC, $LIBDIR;	3260	unshift @INC, $LIBDIR;
2407		3261
		3262	my $bug_warning = 0;
		3263
		3264	our @WAIT_FOR_TICK;
		3265	our @WAIT_FOR_TICK_BEGIN;
		3266
		3267	sub wait_for_tick {
		3268	return unless $TICK_WATCHER->is_active;
		3269	return if $Coro::current == $Coro::main;
		3270
		3271	my $signal = new Coro::Signal;
		3272	push @WAIT_FOR_TICK, $signal;
		3273	$signal->wait;
		3274	}
		3275
		3276	sub wait_for_tick_begin {
		3277	return unless $TICK_WATCHER->is_active;
		3278	return if $Coro::current == $Coro::main;
		3279
		3280	my $signal = new Coro::Signal;
		3281	push @WAIT_FOR_TICK_BEGIN, $signal;
		3282	$signal->wait;
		3283	}
		3284
		3285	my $min = 1e6;#d#
		3286	my $avg = 10;
2408	$TICK_WATCHER = Event->timer (	3287	$TICK_WATCHER = Event->timer (
2409	reentrant => 0,	3288	reentrant => 0,
		3289	parked => 1,
2410	prio => 0,	3290	prio => 0,
2411	at => $NEXT_TICK || $TICK,	3291	at => $NEXT_TICK || $TICK,
2412	data => WF_AUTOCANCEL,	3292	data => WF_AUTOCANCEL,
2413	cb => sub {	3293	cb => sub {
		3294	if ($Coro::current != $Coro::main) {
		3295	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3296	unless ++$bug_warning > 10;
		3297	return;
		3298	}
		3299
2414	$NOW = Event::time;	3300	$NOW = $tick_start = Event::time;
2415		3301
2416	cf::server_tick; # one server iteration	3302	cf::server_tick; # one server iteration
		3303
		3304	0 && sync_job {#d#
		3305	for(1..10) {
		3306	my $t = Event::time;
		3307	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3308	or die;
		3309
		3310	$map->width (50);
		3311	$map->height (50);
		3312	$map->alloc;
		3313	$map->_load_objects ("/tmp/x.map", 1);
		3314	my $t = Event::time - $t;
		3315
		3316	#next unless $t < 0.0013;#d#
		3317	if ($t < $min) {
		3318	$min = $t;
		3319	}
		3320	$avg = $avg * 0.99 + $t * 0.01;
		3321	}
		3322	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3323	exit 0;
		3324	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3325	};
		3326
2417	$RUNTIME += $TICK;	3327	$RUNTIME += $TICK;
2418	$NEXT_TICK += $TICK;	3328	$NEXT_TICK += $TICK;
2419		3329
2420	$WAIT_FOR_TICK->broadcast;	3330	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2421	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3331	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3332	Coro::async_pool {
		3333	write_runtime
		3334	or warn "ERROR: unable to write runtime file: $!";
		3335	};
		3336	}
		3337
		3338	# my $AFTER = Event::time;
		3339	# warn $AFTER - $NOW;#d#
		3340
		3341	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3342	$sig->send;
		3343	}
		3344	while (my $sig = shift @WAIT_FOR_TICK) {
		3345	$sig->send;
		3346	}
		3347
		3348	$NOW = Event::time;
2422		3349
2423	# if we are delayed by four ticks or more, skip them all	3350	# if we are delayed by four ticks or more, skip them all
2424	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3351	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2425		3352
2426	$TICK_WATCHER->at ($NEXT_TICK);	3353	$TICK_WATCHER->at ($NEXT_TICK);
2427	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355
		3356	$LOAD = ($NOW - $tick_start) / $TICK;
		3357	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3358
		3359	_post_tick;
		3360
		3361
2428	},	3362	},
2429	);	3363	);
2430		3364
		3365	{
		3366	BDB::max_poll_time $TICK * 0.1;
		3367	$BDB_POLL_WATCHER = Event->io (
		3368	reentrant => 0,
		3369	fd => BDB::poll_fileno,
		3370	poll => 'r',
		3371	prio => 0,
		3372	data => WF_AUTOCANCEL,
		3373	cb => \&BDB::poll_cb,
		3374	);
		3375	BDB::min_parallel 8;
		3376
		3377	BDB::set_sync_prepare {
		3378	my $status;
		3379	my $current = $Coro::current;
		3380	(
		3381	sub {
		3382	$status = $!;
		3383	$current->ready; undef $current;
		3384	},
		3385	sub {
		3386	Coro::schedule while defined $current;
		3387	$! = $status;
		3388	},
		3389	)
		3390	};
		3391
		3392	unless ($DB_ENV) {
		3393	$DB_ENV = BDB::db_env_create;
		3394
		3395	cf::sync_job {
		3396	eval {
		3397	BDB::db_env_open
		3398	$DB_ENV,
		3399	$BDBDIR,
		3400	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3401	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3402	0666;
		3403
		3404	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3405
		3406	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3407	$DB_ENV->set_lk_detect;
		3408	};
		3409
		3410	cf::cleanup "db_env_open(db): $@" if $@;
		3411	};
		3412	}
		3413	}
		3414
		3415	{
		3416	IO::AIO::min_parallel 8;
		3417
		3418	undef $Coro::AIO::WATCHER;
2431	IO::AIO::max_poll_time $TICK * 0.2;	3419	IO::AIO::max_poll_time $TICK * 0.1;
2432
2433	$AIO_POLL_WATCHER = Event->io (	3420	$AIO_POLL_WATCHER = Event->io (
2434	fd => IO::AIO::poll_fileno,	3421	reentrant => 0,
2435	poll => 'r',
2436	prio => 5,
2437	data => WF_AUTOCANCEL,
2438	cb => \&IO::AIO::poll_cb,
2439	);
2440
2441	$WRITE_RUNTIME_WATCHER = Event->timer (
2442	data => WF_AUTOCANCEL,	3422	data => WF_AUTOCANCEL,
2443	after => 0,	3423	fd => IO::AIO::poll_fileno,
2444	interval => 10,	3424	poll => 'r',
2445	cb => sub {	3425	prio => 6,
2446	(Coro::unblock_sub {	3426	cb => \&IO::AIO::poll_cb,
2447	write_runtime	3427	);
2448	or warn "ERROR: unable to write runtime file: $!";	3428	}
		3429
		3430	my $_log_backtrace;
		3431
		3432	sub _log_backtrace {
		3433	my ($msg, @addr) = @_;
		3434
		3435	$msg =~ s/\n//;
		3436
		3437	# limit the # of concurrent backtraces
		3438	if ($_log_backtrace < 2) {
		3439	++$_log_backtrace;
		3440	async {
		3441	my @bt = fork_call {
		3442	@addr = map { sprintf "%x", $_ } @addr;
		3443	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3444	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3445	or die "addr2line: $!";
		3446
		3447	my @funcs;
		3448	my @res = <$fh>;
		3449	chomp for @res;
		3450	while (@res) {
		3451	my ($func, $line) = splice @res, 0, 2, ();
		3452	push @funcs, "[$func] $line";
		3453	}
		3454
		3455	@funcs
		3456	};
		3457
		3458	LOG llevInfo, "[ABT] $msg\n";
		3459	LOG llevInfo, "[ABT] $_\n" for @bt;
		3460	--$_log_backtrace;
2449	})->();	3461	};
		3462	} else {
		3463	LOG llevInfo, "[ABT] $msg\n";
		3464	LOG llevInfo, "[ABT] [suppressed]\n";
2450	},	3465	}
2451	);	3466	}
		3467
		3468	# load additional modules
		3469	use cf::pod;
2452		3470
2453	END { cf::emergency_save }	3471	END { cf::emergency_save }
2454		3472
2455	1	3473	1
2456		3474

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