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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.315 by root, Mon Jul 23 17:53:55 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 = ();
		53
		54	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
		57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
39		59
		60	our $RELOAD; # number of reloads so far
40	our @EVENT;	61	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		62
43	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(!)
44	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	79	our $NEXT_TICK;
46	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;
47		85
48	our %CFG;	86	our %CFG;
49		87
50	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	89	our $RUNTIME;
52		90
53	our %PLAYER; # all users	91	our %PLAYER; # all users
54	our %MAP; # all maps	92	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		94
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
61		101
62	binmode STDOUT;	102	binmode STDOUT;
63	binmode STDERR;	103	binmode STDERR;
64		104
65	# read virtual server time, if available	105	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
70	}	110	}
71		111
72	mkdir cf::localdir;	112	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		114
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
81		118
82	#############################################################################	119	#############################################################################
83		120
84	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
85		122
…		…
92	=item $cf::RUNTIME	129	=item $cf::RUNTIME
93		130
94	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
95	every server tick.	132	every server tick.
96		133
97	=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
98		137
99	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		142
102	=item $cf::NOW	143	=item $cf::NOW
103		144
104	The time of the last (current) server tick.	145	The time of the last (current) server tick.
105		146
106	=item $cf::TICK	147	=item $cf::TICK
107		148
108	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.
109		160
110	=item %cf::CFG	161	=item %cf::CFG
111		162
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	164	from wherever your confdir points to.
114		165
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		167
117	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
118	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
119	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.
120	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.
121		177
122	=back	178	=back
123		179
124	=cut	180	=cut
125		181
126	BEGIN {	182	BEGIN {
127	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	184	my $msg = join "", @_;
129	utf8::encode $msg;
130		185
131	$msg .= "\n"	186	$msg .= "\n"
132	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
133		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
134	LOG llevError, $msg;	192	LOG llevError, $msg;
135	};	193	};
136	}	194	}
137		195
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		203
145	# 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
146	# within the Safe compartment.	205	# within the Safe compartment.
147	for my $pkg (qw(	206	for my $pkg (qw(
148	cf::global cf::attachable	207	cf::global cf::attachable
…		…
157		216
158	$Event::DIED = sub {	217	$Event::DIED = sub {
159	warn "error in event callback: @_";	218	warn "error in event callback: @_";
160	};	219	};
161		220
162	my %ext_pkg;	221	#############################################################################
163	my @exts;
164	my @hook;
165		222
166	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
167		224
168	=over 4	225	=over 4
169		226
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	246	$d
190	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
191	}	248	}
192		249
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
196		251
197	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
198		253
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
207		255
208	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
209		257
210	=cut	258	=cut
211		259
212	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
214	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
216		264
217	=item cf::lock_wait $string	265	=item cf::lock_wait $string
218		266
219	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
220		268
…		…
226	returned.	274	returned.
227		275
228	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
230		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
231	=cut	283	=cut
232		284
233	our %LOCK;	285	our %LOCK;
234		286
235	sub lock_wait($) {	287	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
256	}	308	}
257	}	309	}
258		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
259	sub freeze_mainloop {	317	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
261		319
262	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
263	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
264	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
265	}	381	}
266		382
267	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
268		384
269	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		390
275	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
276		392
277	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
278		394
279	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
282		399
283	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
286	fast or be very important.	403	fast or be very important.
…		…
289		406
290	sub sync_job(&) {	407	sub sync_job(&) {
291	my ($job) = @_;	408	my ($job) = @_;
292		409
293	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
294	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
296		415
297	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
309		428
310	while ($busy) {	429	while ($busy) {
311	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
312	}	431	}
313		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
314	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
315	} else {	441	} else {
316	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
317		443
318	$job->()	444	$job->()
319	}	445	}
320	}	446	}
321		447
322	=item $coro = cf::async_ext { BLOCK }	448	=item $coro = cf::async_ext { BLOCK }
323		449
324	Like async, but this coro is automcatially being canceled when the	450	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	451	extension calling this is being unloaded.
326		452
327	=cut	453	=cut
328		454
329	sub async_ext(&) {	455	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
338		464
339	$coro	465	$coro
340	}	466	}
341		467
342	sub write_runtime {	468	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		469
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
346	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.
347		474
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	475	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		476
352	aio_fsync $fh	477	sub _store_scalar {
353	and return;	478	open my $fh, ">", \my $buf
354		479	or die "fork_call: cannot open fh-to-buf in child : $!";
		480	Storable::store_fd $_[0], $fh;
355	close $fh	481	close $fh;
356	or return;
357		482
358	aio_rename "$runtime~", $runtime	483	$buf
359	and return;	484	}
360		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;
361	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 });
362	}	655	}
363		656
364	=back	657	=back
365		658
366	=cut	659	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		660
490	#############################################################################	661	#############################################################################
491		662
492	=head2 ATTACHABLE OBJECTS	663	=head2 ATTACHABLE OBJECTS
493		664
…		…
495	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")
496	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
497		668
498	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>
499	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
500	crossfire+).	671	Crossfire TRT).
501		672
502	=over 4	673	=over 4
503		674
504	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
505		676
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	790	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	791	our @CB_MAP = ();
621		792
622	my %attachment;	793	my %attachment;
623		794
		795	sub cf::attachable::thawer_merge {
		796	# simply override everything except _meta
		797	local $_[0]{_meta};
		798	%{$_[0]} = %{$_[1]};
		799	}
		800
624	sub _attach_cb($$$$) {	801	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	802	my ($registry, $event, $prio, $cb) = @_;
626		803
627	use sort 'stable';	804	use sort 'stable';
628		805
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
663		840
664	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		845
669	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	847	my $pkg = shift @arg;
671		848
672	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
702	}	879	}
703		880
704	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
705	} else {	882	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	884	}
708		885
709	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
710	}	887	}
711		888
…		…
713	if (ref $_[0]) {	890	if (ref $_[0]) {
714	_object_attach @_;	891	_object_attach @_;
715	} else {	892	} else {
716	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
717	}	894	}
		895	_recalc_want;
718	};	896	};
719		897
720	# all those should be optimised	898	# all those should be optimised
721	sub cf::attachable::detach {	899	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
726	reattach ($obj);	904	reattach ($obj);
727	} else {	905	} else {
728	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
729	}	907	}
		908	_recalc_want;
730	};	909	};
731		910
732	sub cf::attachable::attached {	911	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
734		913
…		…
749	";	928	";
750	die if $@;	929	die if $@;
751	}	930	}
752		931
753	our $override;	932	our $override;
754	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?
755		934
756	sub override {	935	sub override {
757	$override = 1;	936	$override = 1;
758	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
759	}	938	}
760		939
761	sub do_invoke {	940	sub do_invoke {
762	my $event = shift;	941	my $event = shift;
763	my $callbacks = shift;	942	my $callbacks = shift;
764		943
765	@invoke_results = ();	944	@INVOKE_RESULTS = ();
766		945
767	local $override;	946	local $override;
768		947
769	for (@$callbacks) {	948	for (@$callbacks) {
770	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
787		966
788	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
789		968
790	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
791	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
792	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		972
794	=back	973	=back
795		974
796	=cut	975	=cut
797		976
798	#############################################################################	977	#############################################################################
799	# 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	}
800		990
801	sub reattach {	991	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	993	my ($obj) = @_;
		994
		995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		996
805	my $registry = $obj->registry;	997	my $registry = $obj->registry;
806		998
807	@$registry = ();	999	@$registry = ();
808		1000
…		…
855	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
856		1048
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	1053	close $fh;
862		1054
863	if (@$objs) {	1055	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1061	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
871	}	1063	}
872	} else {	1064	} else {
873	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
905	or return;	1097	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1099	}
908		1100
909	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
911	return ($data, $av);	1103	return ($data, $av);
912	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
913		1111
914	#############################################################################	1112	#############################################################################
915	# command handling &c	1113	# command handling &c
916		1114
917	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1129	}
932		1130
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1132
935	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.
936		1138
937	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
938	called.	1140	called.
939		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
940	=cut	1153	=cut
941		1154
942	sub register_extcmd {	1155	sub register_extcmd {
943	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
944		1157
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
949	}	1165	}
950		1166
951	cf::player->attach (	1167	cf::player->attach (
952	on_command => sub {	1168	on_command => sub {
953	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1178	cf::override;
963	},	1179	},
964	on_extcmd => sub {	1180	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
966		1182
967	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1184
969	if (ref $msg) {	1185	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1187	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1188	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	1189	}
974	}	1190	}
975	} else {	1191	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		1194
979	cf::override;	1195	cf::override;
980	},	1196	},
981	);	1197	);
982		1198
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
1060	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1204	next unless -r $path;
1062	eval {	1205
1063	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
1064	1	1263	}
1065	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
1066	}	1269	};
1067	}	1270	}
1068		1271
1069	#############################################################################	1272	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1273
1072	*cf::mapsupport::on_clean = sub {	1274	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1275
1085	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
1086		1277
1087	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
1088		1279
…		…
1101	Returns the given player object, loading it if necessary (might block).	1292	Returns the given player object, loading it if necessary (might block).
1102		1293
1103	=cut	1294	=cut
1104		1295
1105	sub playerdir($) {	1296	sub playerdir($) {
1106	cf::localdir	1297	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1298	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1299	}
1112		1300
1113	sub path($) {	1301	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1302	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1303
1116	(playerdir $login) . "/$login.pl"	1304	(playerdir $login) . "/playerdata"
1117	}	1305	}
1118		1306
1119	sub find_active($) {	1307	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1308	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1309	and $cf::PLAYER{$_[0]}->active
…		…
1124		1312
1125	sub exists($) {	1313	sub exists($) {
1126	my ($login) = @_;	1314	my ($login) = @_;
1127		1315
1128	$cf::PLAYER{$login}	1316	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1317	or cf::sync_job { !aio_stat path $login }
1130	}	1318	}
1131		1319
1132	sub find($) {	1320	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1321	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1322	my $login = $_[0];
1135		1323
1136	my $guard = cf::lock_acquire "user_find:$login";	1324	my $guard = cf::lock_acquire "user_find:$login";
1137		1325
1138	$cf::PLAYER{$_[0]} || do {	1326	$cf::PLAYER{$_[0]} || do {
		1327	# rename old playerfiles to new ones
		1328	#TODO: remove when no longer required
		1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1332	aio_unlink +(playerdir $login) . "/$login.pl";
		1333
1139	my $pl = load_pl path $login	1334	my $pl = load_pl path $login
1140	or return;	1335	or return;
1141	$cf::PLAYER{$login} = $pl	1336	$cf::PLAYER{$login} = $pl
1142	}	1337	}
1143	}	1338	}
…		…
1180		1375
1181	=cut	1376	=cut
1182		1377
1183	sub quit_character {	1378	sub quit_character {
1184	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1185		1382
1186	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1385
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
1199	IO::AIO::aio_rmtree $temp;	1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
1200	}	1417	}
1201		1418
1202	=item cf::player::list_logins	1419	=item cf::player::list_logins
1203		1420
1204	Returns am arrayref of all valid playernames in the system, can take a	1421	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1206		1423
1207	=cut	1424	=cut
1208		1425
1209	sub list_logins {	1426	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1428	or return [];
1212		1429
1213	my @logins;	1430	my @logins;
1214		1431
1215	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
…		…
1224	\@logins	1441	\@logins
1225	}	1442	}
1226		1443
1227	=item $player->maps	1444	=item $player->maps
1228		1445
1229	Returns an arrayref of cf::path's of all maps that are private for this	1446	Returns an arrayref of map paths that are private for this
1230	player. May block.	1447	player. May block.
1231		1448
1232	=cut	1449	=cut
1233		1450
1234	sub maps($) {	1451	sub maps($) {
1235	my ($pl) = @_;	1452	my ($pl) = @_;
		1453
		1454	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1455
1237	my $files = aio_readdir playerdir $pl	1456	my $files = aio_readdir playerdir $pl
1238	or return;	1457	or return;
1239		1458
1240	my @paths;	1459	my @paths;
1241		1460
1242	for (@$files) {	1461	for (@$files) {
1243	utf8::decode $_;	1462	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1463	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1464	next unless /^$PATH_SEP/o;
1246		1465
1247	s/$PATH_SEP/\//g;	1466	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1467	}
1250		1468
1251	\@paths	1469	\@paths
1252	}	1470	}
1253		1471
		1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1473
		1474	Expand crossfire pod fragments into protocol xml.
		1475
		1476	=cut
		1477
		1478	sub expand_cfpod {
		1479	((my $self), (local $_)) = @_;
		1480
		1481	# escape & and <
		1482	s/&/&amp;/g;
		1483	s/(?<![BIUGH])</&lt;/g;
		1484
		1485	# this is buggy, it needs to properly take care of nested <'s
		1486
		1487	1 while
		1488	# replace B<>, I<>, U<> etc.
		1489	s/B<([^\>]*)>/<b>$1<\/b>/
		1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1492	# replace G<male|female> tags
		1493	|| s{G<([^>|]*)\|([^>]*)>}{
		1494	$self->gender ? $2 : $1
		1495	}ge
		1496	# replace H<hint text>
		1497	|| s{H<([^\>]*)>}
		1498	{
		1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1501	"")
		1502	[$self->{hintmode}]
		1503	}ge;
		1504
		1505	# create single paragraphs (very hackish)
		1506	s/(?<=\S)\n(?=\w)/ /g;
		1507
		1508	# compress some whitespace
		1509	s/\s+\n/\n/g; # ws line-ends
		1510	s/\n\n+/\n/g; # double lines
		1511	s/^\n+//; # beginning lines
		1512	s/\n+$//; # ending lines
		1513
		1514	$_
		1515	}
		1516
		1517	sub hintmode {
		1518	$_[0]{hintmode} = $_[1] if @_ > 1;
		1519	$_[0]{hintmode}
		1520	}
		1521
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1522	=item $player->ext_reply ($msgid, %msg)
1255		1523
1256	Sends an ext reply to the player.	1524	Sends an ext reply to the player.
1257		1525
1258	=cut	1526	=cut
1259		1527
1260	sub ext_reply($$$%) {	1528	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1529	my ($self, $id, %msg) = @_;
1262		1530
1263	$msg{msgid} = $id;	1531	$msg{msgid} = $id;
1264		1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1533	}
1267		1534
1268	package cf;	1535	=item $player->ext_event ($type, %msg)
		1536
		1537	Sends an ext event to the client.
		1538
		1539	=cut
		1540
		1541	sub ext_event($$%) {
		1542	my ($self, $type, %msg) = @_;
		1543
		1544	$self->ns->ext_event ($type, %msg);
		1545	}
		1546
		1547	=head3 cf::region
		1548
		1549	=over 4
		1550
		1551	=cut
		1552
		1553	package cf::region;
		1554
		1555	=item cf::region::find_by_path $path
		1556
		1557	Tries to decuce the likely region for a map knowing only its path.
		1558
		1559	=cut
		1560
		1561	sub find_by_path($) {
		1562	my ($path) = @_;
		1563
		1564	my ($match, $specificity);
		1565
		1566	for my $region (list) {
		1567	if ($region->{match} && $path =~ $region->{match}) {
		1568	($match, $specificity) = ($region, $region->specificity)
		1569	if $region->specificity > $specificity;
		1570	}
		1571	}
		1572
		1573	$match
		1574	}
1269		1575
1270	=back	1576	=back
1271
1272		1577
1273	=head3 cf::map	1578	=head3 cf::map
1274		1579
1275	=over 4	1580	=over 4
1276		1581
…		…
1279	package cf::map;	1584	package cf::map;
1280		1585
1281	use Fcntl;	1586	use Fcntl;
1282	use Coro::AIO;	1587	use Coro::AIO;
1283		1588
		1589	use overload
		1590	'""' => \&as_string,
		1591	fallback => 1;
		1592
1284	our $MAX_RESET = 3600;	1593	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1594	our $DEFAULT_RESET = 3000;
1286		1595
1287	sub generate_random_map {	1596	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1597	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1598	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1599	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1600	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1601	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1602	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1603	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1604	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1605	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1606	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1607	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1608	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1609	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1610	(cf::region::find $rmp->{region}), $rmp->{custom}
		1611	)
		1612	}
		1613
		1614	=item cf::map->register ($regex, $prio)
		1615
		1616	Register a handler for the map path matching the given regex at the
		1617	givne priority (higher is better, built-in handlers have priority 0, the
		1618	default).
		1619
		1620	=cut
		1621
		1622	sub register {
		1623	my (undef, $regex, $prio) = @_;
		1624	my $pkg = caller;
		1625
		1626	no strict;
		1627	push @{"$pkg\::ISA"}, __PACKAGE__;
		1628
		1629	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1630	}
		1631
		1632	# also paths starting with '/'
		1633	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1634
		1635	sub thawer_merge {
		1636	my ($self, $merge) = @_;
		1637
		1638	# we have to keep some variables in memory intact
		1639	local $self->{path};
		1640	local $self->{load_path};
		1641
		1642	$self->SUPER::thawer_merge ($merge);
		1643	}
		1644
		1645	sub normalise {
		1646	my ($path, $base) = @_;
		1647
		1648	$path = "$path"; # make sure its a string
		1649
		1650	$path =~ s/\.map$//;
		1651
		1652	# map plan:
		1653	#
		1654	# /! non-realised random map exit (special hack!)
		1655	# {... are special paths that are not being touched
		1656	# ?xxx/... are special absolute paths
		1657	# ?random/... random maps
		1658	# /... normal maps
		1659	# ~user/... per-player map of a specific user
		1660
		1661	$path =~ s/$PATH_SEP/\//go;
		1662
		1663	# treat it as relative path if it starts with
		1664	# something that looks reasonable
		1665	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1666	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1667
		1668	$base =~ s{[^/]+/?$}{};
		1669	$path = "$base/$path";
		1670	}
		1671
		1672	for ($path) {
		1673	redo if s{//}{/};
		1674	redo if s{/\.?/}{/};
		1675	redo if s{/[^/]+/\.\./}{/};
		1676	}
		1677
		1678	$path
		1679	}
		1680
		1681	sub new_from_path {
		1682	my (undef, $path, $base) = @_;
		1683
		1684	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1685
		1686	$path = normalise $path, $base;
		1687
		1688	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1689	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1690	my $self = bless cf::map::new, $pkg;
		1691	$self->{path} = $path; $self->path ($path);
		1692	$self->init; # pass $1 etc.
		1693	return $self;
		1694	}
		1695	}
		1696
		1697	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1698	()
		1699	}
		1700
		1701	sub init {
		1702	my ($self) = @_;
		1703
		1704	$self
		1705	}
		1706
		1707	sub as_string {
		1708	my ($self) = @_;
		1709
		1710	"$self->{path}"
		1711	}
		1712
		1713	# the displayed name, this is a one way mapping
		1714	sub visible_name {
		1715	&as_string
		1716	}
		1717
		1718	# the original (read-only) location
		1719	sub load_path {
		1720	my ($self) = @_;
		1721
		1722	"$MAPDIR/$self->{path}.map"
		1723	}
		1724
		1725	# the temporary/swap location
		1726	sub save_path {
		1727	my ($self) = @_;
		1728
		1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1730	"$TMPDIR/$path.map"
		1731	}
		1732
		1733	# the unique path, undef == no special unique path
		1734	sub uniq_path {
		1735	my ($self) = @_;
		1736
		1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1738	"$UNIQUEDIR/$path"
1304	}	1739	}
1305		1740
1306	# and all this just because we cannot iterate over	1741	# and all this just because we cannot iterate over
1307	# all maps in C++...	1742	# all maps in C++...
1308	sub change_all_map_light {	1743	sub change_all_map_light {
…		…
1310		1745
1311	$_->change_map_light ($change)	1746	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1747	for grep $_->outdoor, values %cf::MAP;
1313	}	1748	}
1314		1749
		1750	sub decay_objects {
		1751	my ($self) = @_;
		1752
		1753	return if $self->{deny_reset};
		1754
		1755	$self->do_decay_objects;
		1756	}
		1757
		1758	sub unlink_save {
		1759	my ($self) = @_;
		1760
		1761	utf8::encode (my $save = $self->save_path);
		1762	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1763	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1764	}
		1765
1315	sub try_load_header($) {	1766	sub load_header_from($) {
1316	my ($path) = @_;	1767	my ($self, $path) = @_;
1317		1768
1318	utf8::encode $path;	1769	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1770	#aio_open $path, O_RDONLY, 0
		1771	# or return;
		1772
		1773	$self->_load_header ($path)
1320	or return;	1774	or return;
1321		1775
1322	my $map = cf::map::new	1776	$self->{load_path} = $path;
		1777
		1778	1
		1779	}
		1780
		1781	sub load_header_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->load_header_from ($self->load_path)
		1785	}
		1786
		1787	sub load_header_temp {
		1788	my ($self) = @_;
		1789
		1790	$self->load_header_from ($self->save_path)
		1791	}
		1792
		1793	sub prepare_temp {
		1794	my ($self) = @_;
		1795
		1796	$self->last_access ((delete $self->{last_access})
		1797	|| $cf::RUNTIME); #d#
		1798	# safety
		1799	$self->{instantiate_time} = $cf::RUNTIME
		1800	if $self->{instantiate_time} > $cf::RUNTIME;
		1801	}
		1802
		1803	sub prepare_orig {
		1804	my ($self) = @_;
		1805
		1806	$self->{load_original} = 1;
		1807	$self->{instantiate_time} = $cf::RUNTIME;
		1808	$self->last_access ($cf::RUNTIME);
		1809	$self->instantiate;
		1810	}
		1811
		1812	sub load_header {
		1813	my ($self) = @_;
		1814
		1815	if ($self->load_header_temp) {
		1816	$self->prepare_temp;
		1817	} else {
		1818	$self->load_header_orig
1323	or return;	1819	or return;
		1820	$self->prepare_orig;
		1821	}
1324		1822
1325	# for better error messages only, will be overwritten	1823	$self->{deny_reset} = 1
1326	$map->path ($path);	1824	if $self->no_reset;
1327		1825
1328	$map->load_header ($path)	1826	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1827	unless $self->default_region;
1330		1828
1331	$map->{load_path} = $path;	1829	1
1332
1333	$map
1334	}	1830	}
1335		1831
1336	sub find;	1832	sub find;
1337	sub find {	1833	sub find {
1338	my ($path, $origin) = @_;	1834	my ($path, $origin) = @_;
1339		1835
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1836	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1837
1345	cf::lock_wait "map_find:$key";	1838	cf::lock_wait "map_find:$path";
1346		1839
1347	$cf::MAP{$key} || do {	1840	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1841	my $guard = cf::lock_acquire "map_find:$path";
1349		1842	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1843	or return;
1369		1844
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1845	$map->{last_save} = $cf::RUNTIME;
1382		1846
1383	Coro::cede;	1847	$map->load_header
		1848	or return;
1384		1849
1385	if ($map->should_reset) {	1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1851	# doing this can freeze the server in a sync job, obviously
		1852	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1853	$map->reset;
1387	undef $guard;	1854	undef $guard;
1388	$map = find $path	1855	return find $path;
1389	or return;
1390	}	1856	}
1391		1857
1392	$cf::MAP{$key} = $map	1858	$cf::MAP{$path} = $map
1393	}	1859	}
1394	}	1860	}
		1861
		1862	sub pre_load { }
		1863	sub post_load { }
1395		1864
1396	sub load {	1865	sub load {
1397	my ($self) = @_;	1866	my ($self) = @_;
1398		1867
		1868	local $self->{deny_reset} = 1; # loading can take a long time
		1869
1399	my $path = $self->{path};	1870	my $path = $self->{path};
		1871
		1872	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1873	my $guard = cf::lock_acquire "map_load:$path";
1401		1874
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1875	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1876
1404	$self->in_memory (cf::MAP_LOADING);	1877	$self->in_memory (cf::MAP_LOADING);
1405		1878
1406	$self->alloc;	1879	$self->alloc;
		1880
		1881	$self->pre_load;
		1882	Coro::cede;
		1883
1407	$self->load_objects ($self->{load_path}, 1)	1884	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1885	or return;
1409		1886
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1888	if delete $self->{load_original};
1412		1889
1413	if (my $uniq = $path->uniq_path) {	1890	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1891	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1892	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1893	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1894	$self->_load_objects ($uniq, 0);
1418	}	1895	}
1419	}	1896	}
1420		1897
1421	Coro::cede;	1898	Coro::cede;
1422
1423	# now do the right thing for maps	1899	# now do the right thing for maps
1424	$self->link_multipart_objects;	1900	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1901	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1902	unless $self->difficulty;
		1903	Coro::cede;
		1904
		1905	unless ($self->{deny_activate}) {
		1906	$self->decay_objects;
		1907	$self->fix_auto_apply;
		1908	$self->update_buttons;
		1909	Coro::cede;
		1910	$self->set_darkness_map;
		1911	Coro::cede;
1436	$self->activate;	1912	$self->activate;
1437	}	1913	}
1438		1914
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1915	$self->in_memory (cf::MAP_IN_MEMORY);
		1916	}
		1917
		1918	$self->post_load;
		1919	}
		1920
		1921	sub customise_for {
		1922	my ($self, $ob) = @_;
		1923
		1924	return find "~" . $ob->name . "/" . $self->{path}
		1925	if $self->per_player;
		1926
		1927	# return find "?party/" . $ob->name . "/" . $self->{path}
		1928	# if $self->per_party;
		1929
		1930	$self
1442	}	1931	}
1443		1932
1444	# find and load all maps in the 3x3 area around a map	1933	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1934	sub load_diag {
1446	my ($map) = @_;	1935	my ($map) = @_;
…		…
1476		1965
1477	cf::sync_job { $map->load };	1966	cf::sync_job { $map->load };
1478	}	1967	}
1479		1968
1480	our %MAP_PREFETCH;	1969	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1970	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1971
1496	sub find_async {	1972	sub find_async {
1497	my ($path, $origin) = @_;	1973	my ($path, $origin) = @_;
1498		1974
1499	$path = new cf::path $path, $origin && $origin->path;	1975	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1976
1502	if (my $map = $cf::MAP{$key}) {	1977	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1978	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1979	}
1505		1980
1506	$MAP_PREFETCH{$key} = $path;	1981	undef $MAP_PREFETCH{$path};
		1982	$MAP_PREFETCHER ||= cf::async {
		1983	while (%MAP_PREFETCH) {
		1984	for my $path (keys %MAP_PREFETCH) {
		1985	if (my $map = find $path) {
		1986	$map->load;
		1987	}
		1988
		1989	delete $MAP_PREFETCH{$path};
		1990	}
		1991	}
		1992	undef $MAP_PREFETCHER;
		1993	};
1507	$MAP_PREFETCHER->ready;	1994	$MAP_PREFETCHER->prio (6);
1508		1995
1509	()	1996	()
1510	}	1997	}
1511		1998
1512	sub save {	1999	sub save {
…		…
1516		2003
1517	$self->{last_save} = $cf::RUNTIME;	2004	$self->{last_save} = $cf::RUNTIME;
1518		2005
1519	return unless $self->dirty;	2006	return unless $self->dirty;
1520		2007
1521	my $save = $self->{path}->save_path; utf8::encode $save;	2008	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		2010
1524	$self->{load_path} = $save;	2011	$self->{load_path} = $save;
1525		2012
1526	return if $self->{deny_save};	2013	return if $self->{deny_save};
1527		2014
…		…
1530	cf::async {	2017	cf::async {
1531	$_->contr->save for $self->players;	2018	$_->contr->save for $self->players;
1532	};	2019	};
1533		2020
1534	if ($uniq) {	2021	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2024	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2025	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	2026	}
1540	}	2027	}
1541		2028
1542	sub swap_out {	2029	sub swap_out {
1543	my ($self) = @_;	2030	my ($self) = @_;
…		…
1557		2044
1558	sub reset_at {	2045	sub reset_at {
1559	my ($self) = @_;	2046	my ($self) = @_;
1560		2047
1561	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1564		2050
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2053
…		…
1572	my ($self) = @_;	2058	my ($self) = @_;
1573		2059
1574	$self->reset_at <= $cf::RUNTIME	2060	$self->reset_at <= $cf::RUNTIME
1575	}	2061	}
1576		2062
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2063	sub reset {
1599	my ($self) = @_;	2064	my ($self) = @_;
1600		2065
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2067
1603	return if $self->players;	2068	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2069
1606	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
		2071
		2072	$self->in_memory (cf::MAP_SWAPPED);
		2073
		2074	# need to save uniques path
		2075	unless ($self->{deny_save}) {
		2076	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2077
		2078	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2079	if $uniq;
		2080	}
1607		2081
1608	delete $cf::MAP{$self->path};	2082	delete $cf::MAP{$self->path};
		2083
		2084	$self->clear;
1609		2085
1610	$_->clear_links_to ($self) for values %cf::MAP;	2086	$_->clear_links_to ($self) for values %cf::MAP;
1611		2087
1612	$self->unlink_save;	2088	$self->unlink_save;
1613	$self->destroy;	2089	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1617		2093
1618	sub nuke {	2094	sub nuke {
1619	my ($self) = @_;	2095	my ($self) = @_;
1620		2096
		2097	delete $cf::MAP{$self->path};
		2098
		2099	$self->unlink_save;
		2100
		2101	bless $self, "cf::map";
		2102	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2103	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2104	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2105	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2106
		2107	$cf::MAP{$self->path} = $self;
		2108
1624	$self->reset; # polite request, might not happen	2109	$self->reset; # polite request, might not happen
1625	}	2110	}
1626		2111
1627	sub customise_for {	2112	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2113
1630	if ($map->per_player) {	2114	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2115	maps. May block.
		2116
		2117	=cut
		2118
		2119	sub tmp_maps() {
1632	}	2120	[
		2121	map {
		2122	utf8::decode $_;
		2123	/\.map$/
		2124	? normalise $_
		2125	: ()
		2126	} @{ aio_readdir $TMPDIR or [] }
		2127	]
		2128	}
1633		2129
1634	$map	2130	=item $maps = cf::map::random_maps
		2131
		2132	Returns an arrayref with all map paths of currently instantiated and saved
		2133	random maps. May block.
		2134
		2135	=cut
		2136
		2137	sub random_maps() {
		2138	[
		2139	map {
		2140	utf8::decode $_;
		2141	/\.map$/
		2142	? normalise "?random/$_"
		2143	: ()
		2144	} @{ aio_readdir $RANDOMDIR or [] }
		2145	]
		2146	}
		2147
		2148	=item cf::map::unique_maps
		2149
		2150	Returns an arrayref of paths of all shared maps that have
		2151	instantiated unique items. May block.
		2152
		2153	=cut
		2154
		2155	sub unique_maps() {
		2156	[
		2157	map {
		2158	utf8::decode $_;
		2159	/\.map$/
		2160	? normalise $_
		2161	: ()
		2162	} @{ aio_readdir $UNIQUEDIR or [] }
		2163	]
1635	}	2164	}
1636		2165
1637	package cf;	2166	package cf;
1638		2167
1639	=back	2168	=back
…		…
1685		2214
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2215	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2216
1688	if ($self->{record_replies}) {	2217	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2218	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2219
1690	} else {	2220	} else {
		2221	my $pl = $self->contr;
		2222
		2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2224	my $diag = $pl->{npc_dialog};
		2225	$diag->{pl}->ext_reply (
		2226	$diag->{id},
		2227	msgtype => "reply",
		2228	msg => $diag->{pl}->expand_cfpod ($msg),
		2229	add_topics => []
		2230	);
		2231
		2232	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2233	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2234	$self->message ($msg, $flags);
		2235	}
1693	}	2236	}
1694	}	2237	}
1695		2238
1696	=item $player_object->may ("access")	2239	=item $player_object->may ("access")
1697		2240
…		…
1711		2254
1712	=item $player_object->enter_link	2255	=item $player_object->enter_link
1713		2256
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2257	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2258
1716	The player should be reaosnably safe there for short amounts of time. You	2259	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2260	I<MUST> call C<leave_link> as soon as possible, though.
1718		2261
		2262	Will never block.
		2263
1719	=item $player_object->leave_link ($map, $x, $y)	2264	=item $player_object->leave_link ($map, $x, $y)
1720		2265
1721	Moves the player out of the specila link map onto the given map. If the	2266	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2267	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2268	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2269	fails, to the emergency map position.
1725		2270
1726	Might block.	2271	Might block.
1727		2272
1728	=cut	2273	=cut
		2274
		2275	sub link_map {
		2276	unless ($LINK_MAP) {
		2277	$LINK_MAP = cf::map::find "{link}"
		2278	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2279	$LINK_MAP->load;
		2280	}
		2281
		2282	$LINK_MAP
		2283	}
1729		2284
1730	sub cf::object::player::enter_link {	2285	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2286	my ($self) = @_;
1732		2287
1733	$self->deactivate_recursive;	2288	$self->deactivate_recursive;
1734		2289
1735	return if $self->map == $LINK_MAP;	2290	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2291
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2293	if $self->map && $self->map->{path} ne "{link}";
1739		2294
1740	$self->enter_map ($LINK_MAP, 20, 20);	2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2296	}
1742		2297
1743	sub cf::object::player::leave_link {	2298	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2299	my ($self, $map, $x, $y) = @_;
		2300
		2301	return unless $self->contr->active;
1745		2302
1746	my $link_pos = delete $self->{_link_pos};	2303	my $link_pos = delete $self->{_link_pos};
1747		2304
1748	unless ($map) {	2305	unless ($map) {
1749	# restore original map position	2306	# restore original map position
…		…
1767	$map->load;	2324	$map->load;
1768	$map->load_diag;	2325	$map->load_diag;
1769		2326
1770	return unless $self->contr->active;	2327	return unless $self->contr->active;
1771	$self->activate_recursive;	2328	$self->activate_recursive;
		2329
		2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2331	$self->enter_map ($map, $x, $y);
1773	}	2332	}
1774		2333
1775	cf::player->attach (	2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2335
1779	# abort map switching before logout	2336	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2337	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2338	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2339	the new (success) or old (failed) map position. In either case, $done will
1783	};	2340	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2341
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2342	=cut
		2343
		2344	our $GOTOGEN;
1810		2345
1811	sub cf::object::player::goto {	2346	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2347	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2348
1814	$path = new cf::path $path;	2349	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2351
1817	$self->enter_link;	2352	$self->enter_link;
1818		2353
1819	(async {	2354	(async {
		2355	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	2356	my $map = cf::map::find $path;
		2357
		2358	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2359	$map = $map->customise_for ($self);
1822		2360	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2361	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2363	}
1827		2364
		2365	$map
		2366	};
		2367
		2368	if ($@) {
		2369	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2370	LOG llevError | logBacktrace, Carp::longmess $@;
		2371	}
		2372
		2373	if ($gen == $self->{_goto_generation}) {
		2374	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2375	$self->leave_link ($map, $x, $y);
		2376	}
		2377
		2378	$done->() if $done;
1829	})->prio (1);	2379	})->prio (1);
1830	}	2380	}
1831		2381
1832	=item $player_object->enter_exit ($exit_object)	2382	=item $player_object->enter_exit ($exit_object)
1833		2383
…		…
1835		2385
1836	sub parse_random_map_params {	2386	sub parse_random_map_params {
1837	my ($spec) = @_;	2387	my ($spec) = @_;
1838		2388
1839	my $rmp = { # defaults	2389	my $rmp = { # defaults
1840	xsize => 10,	2390	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2391	ysize => (cf::rndm 15, 40),
		2392	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2393	#layout => string,
1842	};	2394	};
1843		2395
1844	for (split /\n/, $spec) {	2396	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2397	my ($k, $v) = split /\s+/, $_, 2;
1846		2398
…		…
1850	$rmp	2402	$rmp
1851	}	2403	}
1852		2404
1853	sub prepare_random_map {	2405	sub prepare_random_map {
1854	my ($exit) = @_;	2406	my ($exit) = @_;
		2407
		2408	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2409
1856	# all this does is basically replace the /! path by	2410	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2411	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2412	# that depends on the exit object
1859		2413
1860	my $rmp = parse_random_map_params $exit->msg;	2414	my $rmp = parse_random_map_params $exit->msg;
1861		2415
1862	if ($exit->map) {	2416	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2417	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2418	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2419	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2420	$rmp->{origin_y} = $exit->y;
1867	}	2421	}
1868		2422
1869	$rmp->{random_seed} ||= $exit->random_seed;	2423	$rmp->{random_seed} ||= $exit->random_seed;
1870		2424
1871	my $data = cf::to_json $rmp;	2425	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2426	my $md5 = Digest::MD5::md5_hex $data;
		2427	my $meta = "$RANDOMDIR/$md5.meta";
1873		2428
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2430	aio_write $fh, 0, (length $data), $data, 0;
		2431	undef $fh;
		2432	aio_rename "$meta~", $meta;
1876		2433
1877	$exit->slaying ("?random/$md5");	2434	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2435	$exit->msg (undef);
1879	}	2436	}
1880	}	2437	}
…		…
1882	sub cf::object::player::enter_exit {	2439	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2440	my ($self, $exit) = @_;
1884		2441
1885	return unless $self->type == cf::PLAYER;	2442	return unless $self->type == cf::PLAYER;
1886		2443
		2444	if ($exit->slaying eq "/!") {
		2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2446	# the problem is that $exit might not survive long enough
		2447	# so it needs to be done right now, right here
		2448	cf::sync_job { prepare_random_map $exit };
		2449	}
		2450
		2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2452	my $hp = $exit->stats->hp;
		2453	my $sp = $exit->stats->sp;
		2454
1887	$self->enter_link;	2455	$self->enter_link;
		2456
		2457	# if exit is damned, update players death & WoR home-position
		2458	$self->contr->savebed ($slaying, $hp, $sp)
		2459	if $exit->flag (FLAG_DAMNED);
1888		2460
1889	(async {	2461	(async {
1890	$self->deactivate_recursive; # just to be sure	2462	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2463	unless (eval {
1892	prepare_random_map $exit	2464	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2465
1898	1;	2466	1;
1899	}) {	2467	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2468	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2469	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2470	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2471	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2472
1905	warn "ERROR in enter_exit: $@";	2473	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2474	$self->leave_link;
1907	}	2475	}
1908	})->prio (1);	2476	})->prio (1);
…		…
1921		2489
1922	sub cf::client::send_drawinfo {	2490	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2491	my ($self, $text, $flags) = @_;
1924		2492
1925	utf8::encode $text;	2493	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2495	}
1928		2496
		2497	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2498
		2499	Send a drawinfo or msg packet to the client, formatting the msg for the
		2500	client if neccessary. C<$type> should be a string identifying the type of
		2501	the message, with C<log> being the default. If C<$color> is negative, suppress
		2502	the message unless the client supports the msg packet.
		2503
		2504	=cut
		2505
		2506	sub cf::client::send_msg {
		2507	my ($self, $channel, $msg, $color, @extra) = @_;
		2508
		2509	$msg = $self->pl->expand_cfpod ($msg);
		2510
		2511	$color &= ~cf::NDI_UNIQUE; # just in case...
		2512
		2513	if (ref $channel) {
		2514	# send meta info to client, if not yet sent
		2515	unless (exists $self->{channel}{$channel->{id}}) {
		2516	$self->{channel}{$channel->{id}} = $channel;
		2517	$self->ext_event (channel_info => %$channel);
		2518	}
		2519
		2520	$channel = $channel->{id};
		2521	}
		2522
		2523	return unless @extra || length $msg;
		2524
		2525	if ($self->can_msg) {
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2527	} else {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	if ($color >= 0) {
		2539	if (0 && $msg =~ /\[/) {
		2540	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2541	} else {
		2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2543	$self->send_packet ("drawinfo $color $msg")
		2544	}
		2545	}
		2546	}
		2547	}
		2548
		2549	=item $client->ext_event ($type, %msg)
		2550
		2551	Sends an ext event to the client.
		2552
		2553	=cut
		2554
		2555	sub cf::client::ext_event($$%) {
		2556	my ($self, $type, %msg) = @_;
		2557
		2558	return unless $self->extcmd;
		2559
		2560	$msg{msgtype} = "event_$type";
		2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2562	}
1929		2563
1930	=item $success = $client->query ($flags, "text", \&cb)	2564	=item $success = $client->query ($flags, "text", \&cb)
1931		2565
1932	Queues a query to the client, calling the given callback with	2566	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2567	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2568	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		2569
1936	Queries can fail, so check the return code. Or don't, as queries will become	2570	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	2571	become reliable at some point in the future.
1938		2572
1939	=cut	2573	=cut
1940		2574
1941	sub cf::client::query {	2575	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	2576	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	2584	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2585	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		2586
1953	$self->send_packet ($self->{query_queue}[0][0])	2587	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	2588	if @{ $self->{query_queue} } == 1;
		2589
		2590	1
1955	}	2591	}
1956		2592
1957	cf::client->attach (	2593	cf::client->attach (
		2594	on_connect => sub {
		2595	my ($ns) = @_;
		2596
		2597	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2598	},
1958	on_reply => sub {	2599	on_reply => sub {
1959	my ($ns, $msg) = @_;	2600	my ($ns, $msg) = @_;
1960		2601
1961	# this weird shuffling is so that direct followup queries	2602	# this weird shuffling is so that direct followup queries
1962	# get handled first	2603	# get handled first
1963	my $queue = delete $ns->{query_queue}	2604	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2605	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2606
1966	(shift @$queue)->[1]->($msg);	2607	(shift @$queue)->[1]->($msg);
		2608	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2609
1968	push @{ $ns->{query_queue} }, @$queue;	2610	push @{ $ns->{query_queue} }, @$queue;
1969		2611
1970	if (@{ $ns->{query_queue} } == @$queue) {	2612	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2613	if (@$queue) {
…		…
1973	} else {	2615	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2616	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	2617	}
1976	}	2618	}
1977	},	2619	},
		2620	on_exticmd => sub {
		2621	my ($ns, $buf) = @_;
		2622
		2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2624
		2625	if (ref $msg) {
		2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2627	if (my %reply = $cb->($ns, $msg)) {
		2628	$reply{msgid} = $msg->{msgid};
		2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2630	}
		2631	}
		2632	} else {
		2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2634	}
		2635
		2636	cf::override;
		2637	},
1978	);	2638	);
1979		2639
1980	=item $client->async (\&cb)	2640	=item $client->async (\&cb)
1981		2641
1982	Create a new coroutine, running the specified callback. The coroutine will	2642	Create a new coroutine, running the specified callback. The coroutine will
…		…
2029		2689
2030	# here we export the classes and methods available to script code	2690	# here we export the classes and methods available to script code
2031		2691
2032	=pod	2692	=pod
2033		2693
2034	The following fucntions and emthods are available within a safe environment:	2694	The following functions and methods are available within a safe environment:
2035		2695
2036	cf::object contr pay_amount pay_player map	2696	cf::object
		2697	contr pay_amount pay_player map x y force_find force_add
		2698	insert remove
		2699
2037	cf::object::player player	2700	cf::object::player
2038	cf::player peaceful	2701	player
2039	cf::map trigger	2702
		2703	cf::player
		2704	peaceful
		2705
		2706	cf::map
		2707	trigger
2040		2708
2041	=cut	2709	=cut
2042		2710
2043	for (	2711	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2713	insert remove)],
2045	["cf::object::player" => qw(player)],	2714	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	2715	["cf::player" => qw(peaceful)],
2047	["cf::map" => qw(trigger)],	2716	["cf::map" => qw(trigger)],
2048	) {	2717	) {
2049	no strict 'refs';	2718	no strict 'refs';
…		…
2120	=back	2789	=back
2121		2790
2122	=cut	2791	=cut
2123		2792
2124	#############################################################################	2793	#############################################################################
		2794	# the server's init and main functions
2125		2795
2126	=head2 EXTENSION DATABASE SUPPORT	2796	sub load_facedata($) {
		2797	my ($path) = @_;
2127		2798
2128	Crossfire maintains a very simple database for extension use. It can	2799	warn "loading facedata from $path\n";
2129	currently store anything that can be serialised using Storable, which
2130	excludes objects.
2131		2800
2132	The parameter C<$family> should best start with the name of the extension	2801	my $facedata;
2133	using it, it should be unique.	2802	0 < aio_load $path, $facedata
		2803	or die "$path: $!";
2134		2804
2135	=over 4	2805	$facedata = Coro::Storable::thaw $facedata;
2136		2806
2137	=item $hashref = cf::db_get $family	2807	$facedata->{version} == 2
		2808	or cf::cleanup "$path: version mismatch, cannot proceed.";
2138		2809
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key
2144
2145	Returns a single value from the database
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}	2810	{
		2811	my $faces = $facedata->{faceinfo};
2175		2812
2176	my $pid;	2813	while (my ($face, $info) = each %$faces) {
		2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2815	cf::face::set_visibility $idx, $info->{visibility};
		2816	cf::face::set_magicmap $idx, $info->{magicmap};
		2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2177		2819
2178	sub db_save() {	2820	cf::cede_to_tick;
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});
2198
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {
2205	@_ >= 2
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209
2210	sub db_put($$;$) {
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2821	}
2224	);
2225	}
2226		2822
2227	#############################################################################	2823	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	2824	next unless $info->{smooth};
		2825	my $idx = cf::face::find $face
		2826	or next;
		2827	if (my $smooth = cf::face::find $info->{smooth}) {
		2828	cf::face::set_smooth $idx, $smooth;
		2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2830	} else {
		2831	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2832	}
		2833
		2834	cf::cede_to_tick;
		2835	}
		2836	}
		2837
		2838	{
		2839	my $anims = $facedata->{animinfo};
		2840
		2841	while (my ($anim, $info) = each %$anims) {
		2842	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2843	cf::cede_to_tick;
		2844	}
		2845
		2846	cf::anim::invalidate_all; # d'oh
		2847	}
		2848
		2849	{
		2850	# TODO: for gcfclient pleasure, we should give resources
		2851	# that gcfclient doesn't grok a >10000 face index.
		2852	my $res = $facedata->{resource};
		2853	my $enc = JSON::XS->new->utf8->canonical;
		2854
		2855	while (my ($name, $info) = each %$res) {
		2856	my $meta = $enc->encode ({
		2857	name => $name,
		2858	type => $info->{type},
		2859	copyright => $info->{copyright}, #TODO#
		2860	});
		2861
		2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2863
		2864	if ($name =~ /\.jpg$/) {
		2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2867	} else {
		2868	my $data = pack "(w/a*)*", $meta, $info->{data};
		2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2870
		2871	cf::face::set_type $idx, 1;
		2872	cf::face::set_data $idx, 0, $data, $chk;
		2873	}
		2874
		2875	cf::cede_to_tick;
		2876	}
		2877	}
		2878
		2879	1
		2880	}
		2881
		2882	sub reload_regions {
		2883	load_resource_file "$MAPDIR/regions"
		2884	or die "unable to load regions file\n";
		2885
		2886	for (cf::region::list) {
		2887	$_->{match} = qr/$_->{match}/
		2888	if exists $_->{match};
		2889	}
		2890	}
		2891
		2892	sub reload_facedata {
		2893	load_facedata "$DATADIR/facedata"
		2894	or die "unable to load facedata\n";
		2895	}
		2896
		2897	sub reload_archetypes {
		2898	load_resource_file "$DATADIR/archetypes"
		2899	or die "unable to load archetypes\n";
		2900	#d# NEED to laod twice to resolve forward references
		2901	# this really needs to be done in an extra post-pass
		2902	# (which needs to be synchronous, so solve it differently)
		2903	load_resource_file "$DATADIR/archetypes"
		2904	or die "unable to load archetypes\n";
		2905	}
		2906
		2907	sub reload_treasures {
		2908	load_resource_file "$DATADIR/treasures"
		2909	or die "unable to load treasurelists\n";
		2910	}
		2911
		2912	sub reload_resources {
		2913	warn "reloading resource files...\n";
		2914
		2915	reload_regions;
		2916	reload_facedata;
		2917	#reload_archetypes;#d#
		2918	reload_archetypes;
		2919	reload_treasures;
		2920
		2921	warn "finished reloading resource files\n";
		2922	}
		2923
		2924	sub init {
		2925	reload_resources;
		2926	}
2229		2927
2230	sub cfg_load {	2928	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2929	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	2930	or return;
2233		2931
2234	local $/;	2932	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	2933	*CFG = YAML::Syck::Load <$fh>;
2236		2934
…		…
2250		2948
2251	sub main {	2949	sub main {
2252	# we must not ever block the main coroutine	2950	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2951	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2952	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2953	(async {
2255	async { Event::one_event };	2954	Event::one_event;
		2955	})->prio (Coro::PRIO_MAX);
2256	};	2956	};
2257		2957
2258	cfg_load;	2958	cfg_load;
2259	db_load;	2959	db_init;
2260	load_extensions;	2960	load_extensions;
		2961
		2962	$TICK_WATCHER->start;
2261	Event::loop;	2963	Event::loop;
2262	}	2964	}
2263		2965
2264	#############################################################################	2966	#############################################################################
2265	# initialisation and cleanup	2967	# initialisation and cleanup
2266		2968
2267	# install some emergency cleanup handlers	2969	# install some emergency cleanup handlers
2268	BEGIN {	2970	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2971	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2972	Event->signal (
		2973	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2974	data => WF_AUTOCANCEL,
2272	signal => $signal,	2975	signal => $signal,
		2976	prio => 0,
2273	cb => sub {	2977	cb => sub {
2274	cf::cleanup "SIG$signal";	2978	cf::cleanup "SIG$signal";
2275	},	2979	},
2276	);	2980	);
2277	}	2981	}
2278	}	2982	}
2279		2983
		2984	sub write_runtime {
		2985	my $runtime = "$LOCALDIR/runtime";
		2986
		2987	# first touch the runtime file to show we are still running:
		2988	# the fsync below can take a very very long time.
		2989
		2990	IO::AIO::aio_utime $runtime, undef, undef;
		2991
		2992	my $guard = cf::lock_acquire "write_runtime";
		2993
		2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2995	or return;
		2996
		2997	my $value = $cf::RUNTIME + 90 + 10;
		2998	# 10 is the runtime save interval, for a monotonic clock
		2999	# 60 allows for the watchdog to kill the server.
		3000
		3001	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3002	and return;
		3003
		3004	# always fsync - this file is important
		3005	aio_fsync $fh
		3006	and return;
		3007
		3008	# touch it again to show we are up-to-date
		3009	aio_utime $fh, undef, undef;
		3010
		3011	close $fh
		3012	or return;
		3013
		3014	aio_rename "$runtime~", $runtime
		3015	and return;
		3016
		3017	warn "runtime file written.\n";
		3018
		3019	1
		3020	}
		3021
2280	sub emergency_save() {	3022	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3023	my $freeze_guard = cf::freeze_mainloop;
2282		3024
2283	warn "enter emergency perl save\n";	3025	warn "enter emergency perl save\n";
2284		3026
2285	cf::sync_job {	3027	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	3028	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3029	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3030	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3031	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3032	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3033	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3034	$pl->valid or next;
2293	$pl->save;	3035	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	3041	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3042	$map->valid or next;
2301	$map->save;	3043	$map->save;
2302	}	3044	}
2303	warn "end emergency map save\n";	3045	warn "end emergency map save\n";
		3046
		3047	warn "begin emergency database checkpoint\n";
		3048	BDB::db_env_txn_checkpoint $DB_ENV;
		3049	warn "end emergency database checkpoint\n";
2304	};	3050	};
2305		3051
2306	warn "leave emergency perl save\n";	3052	warn "leave emergency perl save\n";
2307	}	3053	}
2308		3054
		3055	sub post_cleanup {
		3056	my ($make_core) = @_;
		3057
		3058	warn Carp::longmess "post_cleanup backtrace"
		3059	if $make_core;
		3060	}
		3061
2309	sub reload() {	3062	sub do_reload_perl() {
2310	# can/must only be called in main	3063	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3064	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	3065	warn "can only reload from main coroutine";
2313	return;	3066	return;
2314	}	3067	}
2315		3068
2316	warn "reloading...";	3069	warn "reloading...";
2317		3070
2318	my $guard = freeze_mainloop;	3071	warn "entering sync_job";
		3072
		3073	cf::sync_job {
		3074	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3075	cf::emergency_save;
		3076	cf::write_runtime; # external watchdog should not bark
2320		3077
2321	eval {	3078	warn "syncing database to disk";
		3079	BDB::db_env_txn_checkpoint $DB_ENV;
		3080
2322	# if anything goes wrong in here, we should simply crash as we already saved	3081	# if anything goes wrong in here, we should simply crash as we already saved
2323		3082
2324	# cancel all watchers	3083	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	3084	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3085	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	3086	}
2328		3087
		3088	warn "flushing outstanding aio requests";
		3089	for (;;) {
		3090	BDB::flush;
		3091	IO::AIO::flush;
		3092	Coro::cede;
		3093	last unless IO::AIO::nreqs || BDB::nreqs;
		3094	warn "iterate...";
		3095	}
		3096
		3097	++$RELOAD;
		3098
2329	# cancel all extension coros	3099	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	3100	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	3101	%EXT_CORO = ();
2332		3102
2333	# unload all extensions	3103	warn "removing commands";
2334	for (@exts) {	3104	%COMMAND = ();
		3105
		3106	warn "removing ext/exti commands";
		3107	%EXTCMD = ();
		3108	%EXTICMD = ();
		3109
		3110	warn "unloading/nuking all extensions";
		3111	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	3112	warn "... unloading $pkg";
2336	unload_extension $_;	3113
		3114	if (my $cb = $pkg->can ("unload")) {
		3115	eval {
		3116	$cb->($pkg);
		3117	1
		3118	} or warn "$pkg unloaded, but with errors: $@";
2337	}	3119	}
2338		3120
		3121	warn "... nuking $pkg";
		3122	Symbol::delete_package $pkg;
		3123	}
		3124
2339	# unload all modules loaded from $LIBDIR	3125	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	3126	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3127	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		3128
2343	warn "removing <$k>";	3129	warn "... unloading $k";
2344	delete $INC{$k};	3130	delete $INC{$k};
2345		3131
2346	$k =~ s/\.pm$//;	3132	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	3133	$k =~ s/\//::/g;
2348		3134
…		…
2351	}	3137	}
2352		3138
2353	Symbol::delete_package $k;	3139	Symbol::delete_package $k;
2354	}	3140	}
2355		3141
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	3142	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3143	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3145
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	3146	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	3147	delete $INC{"cf.pm"};
		3148	delete $INC{"cf/pod.pm"};
2369		3149
2370	# don't, removes xs symbols, too,	3150	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3151	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3152	#Symbol::delete_package __PACKAGE__;
2373		3153
2374	# reload cf.pm	3154	warn "unload completed, starting to reload now";
		3155
2375	warn "reloading cf.pm";	3156	warn "reloading cf.pm";
2376	require cf;	3157	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		3159
2379	# load config and database again	3160	warn "loading config and database again";
2380	cf::cfg_load;	3161	cf::cfg_load;
2381	cf::db_load;
2382		3162
2383	# load extensions
2384	warn "load extensions";	3163	warn "loading extensions";
2385	cf::load_extensions;	3164	cf::load_extensions;
2386		3165
2387	# reattach attachments to objects	3166	warn "reattaching attachments to objects/players";
2388	warn "reattach";	3167	_global_reattach; # objects, sockets
2389	_global_reattach;	3168	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3169	reattach $_ for values %MAP;
2391	};	3170	warn "reattaching attachments to players";
		3171	reattach $_ for values %PLAYER;
2392		3172
2393	if ($@) {	3173	warn "leaving sync_job";
		3174
		3175	1
		3176	} or do {
2394	warn $@;	3177	warn $@;
2395	warn "error while reloading, exiting.";	3178	warn "error while reloading, exiting.";
2396	exit 1;	3179	exit 1;
2397	}	3180	};
2398		3181
2399	warn "reloaded successfully";	3182	warn "reloaded";
2400	};	3183	};
2401		3184
2402	#############################################################################	3185	our $RELOAD_WATCHER; # used only during reload
2403		3186
2404	unless ($LINK_MAP) {	3187	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	3188	# doing reload synchronously and two reloads happen back-to-back,
		3189	# coro crashes during coro_state_free->destroy here.
2406		3190
2407	$LINK_MAP->width (41);	3191	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	3192	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	3193	after => 0,
		3194	data => WF_AUTOCANCEL,
2417	cb => sub {	3195	cb => sub {
2418	$_[0]->w->cancel;	3196	do_reload_perl;
2419		3197	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	3198	},
2438		3199	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3200	}
2444
2445	register "<global>", __PACKAGE__;
2446		3201
2447	register_command "reload" => sub {	3202	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3203	my ($who, $arg) = @_;
2449		3204
2450	if ($who->flag (FLAG_WIZ)) {	3205	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3206	$who->message ("reloading server.");
		3207	async { reload_perl };
2454	}	3208	}
2455	};	3209	};
2456		3210
2457	unshift @INC, $LIBDIR;	3211	unshift @INC, $LIBDIR;
2458		3212
		3213	my $bug_warning = 0;
		3214
		3215	our @WAIT_FOR_TICK;
		3216	our @WAIT_FOR_TICK_BEGIN;
		3217
		3218	sub wait_for_tick {
		3219	return unless $TICK_WATCHER->is_active;
		3220	return if $Coro::current == $Coro::main;
		3221
		3222	my $signal = new Coro::Signal;
		3223	push @WAIT_FOR_TICK, $signal;
		3224	$signal->wait;
		3225	}
		3226
		3227	sub wait_for_tick_begin {
		3228	return unless $TICK_WATCHER->is_active;
		3229	return if $Coro::current == $Coro::main;
		3230
		3231	my $signal = new Coro::Signal;
		3232	push @WAIT_FOR_TICK_BEGIN, $signal;
		3233	$signal->wait;
		3234	}
		3235
		3236	my $min = 1e6;#d#
		3237	my $avg = 10;
2459	$TICK_WATCHER = Event->timer (	3238	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	3239	reentrant => 0,
		3240	parked => 1,
2461	prio => 0,	3241	prio => 0,
2462	at => $NEXT_TICK || $TICK,	3242	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	3243	data => WF_AUTOCANCEL,
2464	cb => sub {	3244	cb => sub {
		3245	if ($Coro::current != $Coro::main) {
		3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3247	unless ++$bug_warning > 10;
		3248	return;
		3249	}
		3250
		3251	$NOW = $tick_start = Event::time;
		3252
2465	cf::server_tick; # one server iteration	3253	cf::server_tick; # one server iteration
		3254
		3255	0 && sync_job {#d#
		3256	for(1..10) {
		3257	my $t = Event::time;
		3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3259	or die;
		3260
		3261	$map->width (50);
		3262	$map->height (50);
		3263	$map->alloc;
		3264	$map->_load_objects ("/tmp/x.map", 1);
		3265	my $t = Event::time - $t;
		3266
		3267	#next unless $t < 0.0013;#d#
		3268	if ($t < $min) {
		3269	$min = $t;
		3270	}
		3271	$avg = $avg * 0.99 + $t * 0.01;
		3272	}
		3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3274	exit 0;
		3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3276	};
		3277
2466	$RUNTIME += $TICK;	3278	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	3279	$NEXT_TICK += $TICK;
2468		3280
2469	$WAIT_FOR_TICK->broadcast;	3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3283	Coro::async_pool {
		3284	write_runtime
		3285	or warn "ERROR: unable to write runtime file: $!";
		3286	};
		3287	}
		3288
		3289	# my $AFTER = Event::time;
		3290	# warn $AFTER - $NOW;#d#
		3291
		3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3293	$sig->send;
		3294	}
		3295	while (my $sig = shift @WAIT_FOR_TICK) {
		3296	$sig->send;
		3297	}
		3298
		3299	$NOW = Event::time;
2471		3300
2472	# if we are delayed by four ticks or more, skip them all	3301	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		3303
2475	$TICK_WATCHER->at ($NEXT_TICK);	3304	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	3305	$TICK_WATCHER->start;
		3306
		3307	$LOAD = ($NOW - $tick_start) / $TICK;
		3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3309
		3310	_post_tick;
		3311
		3312
2477	},	3313	},
2478	);	3314	);
2479		3315
		3316	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	3317	BDB::max_poll_time $TICK * 0.1;
2481		3318	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	3319	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	3320	fd => BDB::poll_fileno,
2484	poll => 'r',	3321	poll => 'r',
2485	prio => 5,	3322	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	3323	data => WF_AUTOCANCEL,
2492	after => 0,	3324	cb => \&BDB::poll_cb,
2493	interval => 10,	3325	);
2494	cb => sub {	3326	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	3327
2496	write_runtime	3328	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	3329	my $status;
		3330	my $current = $Coro::current;
		3331	(
		3332	sub {
		3333	$status = $!;
		3334	$current->ready; undef $current;
		3335	},
		3336	sub {
		3337	Coro::schedule while defined $current;
		3338	$! = $status;
		3339	},
		3340	)
		3341	};
		3342
		3343	unless ($DB_ENV) {
		3344	$DB_ENV = BDB::db_env_create;
		3345
		3346	cf::sync_job {
		3347	eval {
		3348	BDB::db_env_open
		3349	$DB_ENV,
		3350	$BDBDIR,
		3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3353	0666;
		3354
		3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3356
		3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3358	$DB_ENV->set_lk_detect;
		3359	};
		3360
		3361	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	3362	};
2499	},	3363	}
2500	);	3364	}
		3365
		3366	{
		3367	IO::AIO::min_parallel 8;
		3368
		3369	undef $Coro::AIO::WATCHER;
		3370	IO::AIO::max_poll_time $TICK * 0.1;
		3371	$AIO_POLL_WATCHER = Event->io (
		3372	reentrant => 0,
		3373	data => WF_AUTOCANCEL,
		3374	fd => IO::AIO::poll_fileno,
		3375	poll => 'r',
		3376	prio => 6,
		3377	cb => \&IO::AIO::poll_cb,
		3378	);
		3379	}
		3380
		3381	my $_log_backtrace;
		3382
		3383	sub _log_backtrace {
		3384	my ($msg, @addr) = @_;
		3385
		3386	$msg =~ s/\n//;
		3387
		3388	# limit the # of concurrent backtraces
		3389	if ($_log_backtrace < 2) {
		3390	++$_log_backtrace;
		3391	async {
		3392	my @bt = fork_call {
		3393	@addr = map { sprintf "%x", $_ } @addr;
		3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3396	or die "addr2line: $!";
		3397
		3398	my @funcs;
		3399	my @res = <$fh>;
		3400	chomp for @res;
		3401	while (@res) {
		3402	my ($func, $line) = splice @res, 0, 2, ();
		3403	push @funcs, "[$func] $line";
		3404	}
		3405
		3406	@funcs
		3407	};
		3408
		3409	LOG llevInfo, "[ABT] $msg\n";
		3410	LOG llevInfo, "[ABT] $_\n" for @bt;
		3411	--$_log_backtrace;
		3412	};
		3413	} else {
		3414	LOG llevInfo, "[ABT] $msg\n";
		3415	LOG llevInfo, "[ABT] [suppressed]\n";
		3416	}
		3417	}
		3418
		3419	# load additional modules
		3420	use cf::pod;
2501		3421
2502	END { cf::emergency_save }	3422	END { cf::emergency_save }
2503		3423
2504	1	3424	1
2505		3425

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