ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 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 3.64 ();
		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;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$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		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
232		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
236		291
237	sub lock_wait($) {	292	sub lock_wait($) {
238	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
239		299
240	# wait for lock, if any	300	# wait for lock, if any
241	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	303	Coro::schedule;
…		…
249		309
250	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
251	lock_wait $key;	311	lock_wait $key;
252		312
253	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
254		315
255	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
258	}	320	}
259	}	321	}
260		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
261	sub freeze_mainloop {	329	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
263		331
264	my $guard = Coro::guard {	332	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	334	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
270	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
271	}	393	}
272		394
273	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
274		396
275	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		402
281	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
282		404
283	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
284		406
285	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
288		411
289	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
292	fast or be very important.	415	fast or be very important.
…		…
295		418
296	sub sync_job(&) {	419	sub sync_job(&) {
297	my ($job) = @_;	420	my ($job) = @_;
298		421
299	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
300	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
302		427
303	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
315		440
316	while ($busy) {	441	while ($busy) {
317	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
318	}	443	}
319		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
320	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
321	} else {	453	} else {
322	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
323		455
324	$job->()	456	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
344		476
345	$coro	477	$coro
346	}	478	}
347		479
348	sub write_runtime {	480	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		481
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
352	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
353		486
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	487	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		488
358	aio_fsync $fh	489	sub fork_call(&@) {
359	and return;	490	my ($cb, @args) = @_;
360		491
361	close $fh	492	# we seemingly have to make a local copy of the whole thing,
362	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
363		495
364	aio_rename "$runtime~", $runtime	496	my @res = Coro::Util::fork_eval {
365	and return;	497	reset_signals;
		498	&$cb
		499	}, @args;
366		500
		501	wantarray ? @res : $res[-1]
		502	}
		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
367	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	629	}
369		630
370	=back	631	=back
371		632
372	=cut	633	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
381		642
382	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	645	Crossfire TRT).
385		646
386	=over 4	647	=over 4
387		648
388	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
389		650
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	764	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	765	our @CB_MAP = ();
505		766
506	my %attachment;	767	my %attachment;
507		768
		769	sub cf::attachable::thawer_merge {
		770	# simply override everything except _meta
		771	local $_[0]{_meta};
		772	%{$_[0]} = %{$_[1]};
		773	}
		774
508	sub _attach_cb($$$$) {	775	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	776	my ($registry, $event, $prio, $cb) = @_;
510		777
511	use sort 'stable';	778	use sort 'stable';
512		779
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
547		814
548	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		819
553	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	821	my $pkg = shift @arg;
555		822
556	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
586	}	853	}
587		854
588	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
589	} else {	856	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	858	}
592		859
593	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
594	}	861	}
595		862
…		…
597	if (ref $_[0]) {	864	if (ref $_[0]) {
598	_object_attach @_;	865	_object_attach @_;
599	} else {	866	} else {
600	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
601	}	868	}
		869	_recalc_want;
602	};	870	};
603		871
604	# all those should be optimised	872	# all those should be optimised
605	sub cf::attachable::detach {	873	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
610	reattach ($obj);	878	reattach ($obj);
611	} else {	879	} else {
612	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
613	}	881	}
		882	_recalc_want;
614	};	883	};
615		884
616	sub cf::attachable::attached {	885	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
618		887
…		…
633	";	902	";
634	die if $@;	903	die if $@;
635	}	904	}
636		905
637	our $override;	906	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		908
640	sub override {	909	sub override {
641	$override = 1;	910	$override = 1;
642	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
643	}	912	}
644		913
645	sub do_invoke {	914	sub do_invoke {
646	my $event = shift;	915	my $event = shift;
647	my $callbacks = shift;	916	my $callbacks = shift;
648		917
649	@invoke_results = ();	918	@INVOKE_RESULTS = ();
650		919
651	local $override;	920	local $override;
652		921
653	for (@$callbacks) {	922	for (@$callbacks) {
654	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
671		940
672	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
673		942
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		946
678	=back	947	=back
679		948
680	=cut	949	=cut
681		950
682	#############################################################################	951	#############################################################################
683	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
684		964
685	sub reattach {	965	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	967	my ($obj) = @_;
688		968
…		…
733	);	1013	);
734		1014
735	sub object_freezer_save {	1015	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
737		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
738	sync_job {	1020	sync_job {
739	if (length $$rdata) {	1021	if (length $$rdata) {
740	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
742		1024
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1029	close $fh;
748		1030
749	if (@$objs) {	1031	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1037	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
757	}	1039	}
758	} else {	1040	} else {
759	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
765	}	1047	}
766	} else {	1048	} else {
767	aio_unlink $filename;	1049	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
769	}	1051	}
770	}	1052	};
		1053
		1054	undef $guard;
771	}	1055	}
772		1056
773	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
775		1059
…		…
780		1064
781	sub object_thawer_load {	1065	sub object_thawer_load {
782	my ($filename) = @_;	1066	my ($filename) = @_;
783		1067
784	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
785		1071
786	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
787	or return;	1073	or return;
788		1074
789	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
791	or return;	1077	or return;
		1078
		1079	undef $guard;
792	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
793	}	1081	}
794		1082
795	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
797	return ($data, $av);	1086	($data, $av)
798	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
799		1094
800	#############################################################################	1095	#############################################################################
801	# command handling &c	1096	# command handling &c
802		1097
803	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1112	}
818		1113
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1115
821	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
822		1121
823	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
824	called.	1123	called.
825		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
826	=cut	1136	=cut
827		1137
828	sub register_extcmd {	1138	sub register_extcmd {
829	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
830		1140
831	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
832	}	1148	}
833		1149
834	cf::player->attach (	1150	cf::player->attach (
835	on_command => sub {	1151	on_command => sub {
836	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1161	cf::override;
846	},	1162	},
847	on_extcmd => sub {	1163	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
849		1165
850	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1167
852	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
858	} else {	1183	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1185	}
861		1186
862	cf::override;	1187	cf::override;
863	},	1188	},
864	);	1189	);
865		1190
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
901	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1196	next unless -r $path;
903	eval {	1197
904	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
905	1	1255	}
906	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
907	}	1261	};
908	}	1262	}
909		1263
910	#############################################################################	1264	#############################################################################
911		1265
		1266	=back
		1267
912	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
913		1269
914	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
915		1271
916	=cut	1272	=cut
…		…
921		1277
922	=head3 cf::player	1278	=head3 cf::player
923		1279
924	=over 4	1280	=over 4
925		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
		1295
926	=item cf::player::find $login	1296	=item cf::player::find $login
927		1297
928	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
929		1299
930	=cut	1300	=cut
931		1301
932	sub playerdir($) {	1302	sub playerdir($) {
933	cf::localdir	1303	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1305	}
939		1306
940	sub path($) {	1307	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1309
943	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
944	}	1311	}
945		1312
946	sub find_active($) {	1313	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
951		1318
952	sub exists($) {	1319	sub exists($) {
953	my ($login) = @_;	1320	my ($login) = @_;
954		1321
955	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
957	}	1324	}
958		1325
959	sub find($) {	1326	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1328	my $login = $_[0];
962		1329
963	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
964		1331
965	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
966	my $pl = load_pl path $login	1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
		1340	my $f = new_from_file cf::object::thawer path $login
967	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
968	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
969	}	1349	}
970	}	1350	}
971	}	1351	}
972		1352
…		…
982		1362
983	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
985		1365
986	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
987	Coro::cede;	1367	cf::cede_to_tick;
988	}	1368	}
989		1369
990	sub new($) {	1370	sub new($) {
991	my ($login) = @_;	1371	my ($login) = @_;
992		1372
…		…
998	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
999		1379
1000	$self	1380	$self
1001	}	1381	}
1002		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
		1391	}
		1392
1003	=item $pl->quit_character	1393	=item $pl->quit_character
1004		1394
1005	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1396	be destroyed. May block for a long time.
1007		1397
1008	=cut	1398	=cut
1009		1399
1010	sub quit_character {	1400	sub quit_character {
1011	my ($pl) = @_;	1401	my ($pl) = @_;
		1402
		1403	my $name = $pl->ob->name;
1012		1404
1013	$pl->{deny_save} = 1;	1405	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1406	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1407
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1413	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1414	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1415	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1416	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1417	$pl->destroy;
		1418
		1419	my $prefix = qr<^~\Q$name\E/>;
		1420
		1421	# nuke player maps
		1422	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1423
1026	IO::AIO::aio_rmtree $temp;	1424	IO::AIO::aio_rmtree $temp;
		1425	}
		1426
		1427	=item $pl->kick
		1428
		1429	Kicks a player out of the game. This destroys the connection.
		1430
		1431	=cut
		1432
		1433	sub kick {
		1434	my ($pl, $kicker) = @_;
		1435
		1436	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1437	$pl->killer ("kicked");
		1438	$pl->ns->destroy;
1027	}	1439	}
1028		1440
1029	=item cf::player::list_logins	1441	=item cf::player::list_logins
1030		1442
1031	Returns am arrayref of all valid playernames in the system, can take a	1443	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1444	while and may block, so not sync_job-capable, ever.
1033		1445
1034	=cut	1446	=cut
1035		1447
1036	sub list_logins {	1448	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1449	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1450	or return [];
1039		1451
1040	my @logins;	1452	my @logins;
1041		1453
1042	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1046		1463
1047	utf8::decode $login;	1464	utf8::decode $login;
1048	push @logins, $login;	1465	push @logins, $login;
1049	}	1466	}
1050		1467
…		…
1058		1475
1059	=cut	1476	=cut
1060		1477
1061	sub maps($) {	1478	sub maps($) {
1062	my ($pl) = @_;	1479	my ($pl) = @_;
		1480
		1481	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1482
1064	my $files = aio_readdir playerdir $pl	1483	my $files = aio_readdir playerdir $pl
1065	or return;	1484	or return;
1066		1485
1067	my @paths;	1486	my @paths;
…		…
1069	for (@$files) {	1488	for (@$files) {
1070	utf8::decode $_;	1489	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1490	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1491	next unless /^$PATH_SEP/o;
1073		1492
1074	s/\.map$//;	1493	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1494	}
1077		1495
1078	\@paths	1496	\@paths
1079	}	1497	}
1080		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1082		1551
1083	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1084		1553
1085	=cut	1554	=cut
1086		1555
1087	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1089		1558
1090	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1560	}
1094		1561
1095	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		1569	my ($self, $type, @msg) = @_;
		1570
		1571	$self->ns->ext_msg ($type, @msg);
		1572	}
		1573
		1574	=head3 cf::region
		1575
		1576	=over 4
		1577
		1578	=cut
		1579
		1580	package cf::region;
		1581
		1582	=item cf::region::find_by_path $path
		1583
		1584	Tries to decuce the likely region for a map knowing only its path.
		1585
		1586	=cut
		1587
		1588	sub find_by_path($) {
		1589	my ($path) = @_;
		1590
		1591	my ($match, $specificity);
		1592
		1593	for my $region (list) {
		1594	if ($region->{match} && $path =~ $region->{match}) {
		1595	($match, $specificity) = ($region, $region->specificity)
		1596	if $region->specificity > $specificity;
		1597	}
		1598	}
		1599
		1600	$match
		1601	}
1096		1602
1097	=back	1603	=back
1098
1099		1604
1100	=head3 cf::map	1605	=head3 cf::map
1101		1606
1102	=over 4	1607	=over 4
1103		1608
…		…
1107		1612
1108	use Fcntl;	1613	use Fcntl;
1109	use Coro::AIO;	1614	use Coro::AIO;
1110		1615
1111	use overload	1616	use overload
1112	'""' => \&as_string;	1617	'""' => \&as_string,
		1618	fallback => 1;
1113		1619
1114	our $MAX_RESET = 3600;	1620	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1621	our $DEFAULT_RESET = 3000;
1116		1622
1117	sub generate_random_map {	1623	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1624	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1625	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1626	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1627	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1628	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1629	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1636	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1637	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1638	)
1134	}	1639	}
1135		1640
		1641	=item cf::map->register ($regex, $prio)
		1642
		1643	Register a handler for the map path matching the given regex at the
		1644	givne priority (higher is better, built-in handlers have priority 0, the
		1645	default).
		1646
		1647	=cut
		1648
1136	sub register {	1649	sub register {
1137	my (undef, $regex) = @_;	1650	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1651	my $pkg = caller;
1139		1652
1140	no strict;	1653	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1654	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1655
1143	$EXT_MAP{$pkg} = qr<$regex>;	1656	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1657	}
1145		1658
1146	# also paths starting with '/'	1659	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1660	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1661
		1662	sub thawer_merge {
		1663	my ($self, $merge) = @_;
		1664
		1665	# we have to keep some variables in memory intact
		1666	local $self->{path};
		1667	local $self->{load_path};
		1668
		1669	$self->SUPER::thawer_merge ($merge);
		1670	}
1148		1671
1149	sub normalise {	1672	sub normalise {
1150	my ($path, $base) = @_;	1673	my ($path, $base) = @_;
		1674
		1675	$path = "$path"; # make sure its a string
		1676
		1677	$path =~ s/\.map$//;
1151		1678
1152	# map plan:	1679	# map plan:
1153	#	1680	#
1154	# /! non-realised random map exit (special hack!)	1681	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1682	# {... are special paths that are not being touched
…		…
1183		1710
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1711	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1712
1186	$path = normalise $path, $base;	1713	$path = normalise $path, $base;
1187		1714
1188	for my $pkg (keys %EXT_MAP) {	1715	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1716	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1717	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1718	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1193	return $self;	1720	return $self;
1194	}	1721	}
1195	}	1722	}
1196		1723
1197	Carp::carp "unable to resolve path '$path'.";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1725	()
1199	}	1726	}
1200		1727
1201	sub init {	1728	sub init {
1202	my ($self) = @_;	1729	my ($self) = @_;
…		…
1217		1744
1218	# the original (read-only) location	1745	# the original (read-only) location
1219	sub load_path {	1746	sub load_path {
1220	my ($self) = @_;	1747	my ($self) = @_;
1221		1748
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1749	"$MAPDIR/$self->{path}.map"
1223	}	1750	}
1224		1751
1225	# the temporary/swap location	1752	# the temporary/swap location
1226	sub save_path {	1753	sub save_path {
1227	my ($self) = @_;	1754	my ($self) = @_;
1228		1755
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1757	"$TMPDIR/$path.map"
1231	}	1758	}
1232		1759
1233	# the unique path, undef == no special unique path	1760	# the unique path, undef == no special unique path
1234	sub uniq_path {	1761	sub uniq_path {
1235	my ($self) = @_;	1762	my ($self) = @_;
1236		1763
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1765	"$UNIQUEDIR/$path"
1239	}	1766	}
1240		1767
1241	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1242	# all maps in C++...	1769	# all maps in C++...
1243	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1245		1772
1246	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1248	}	1775	}
1249		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1250	sub unlink_save {	1785	sub unlink_save {
1251	my ($self) = @_;	1786	my ($self) = @_;
1252		1787
1253	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1791	}
1257		1792
1258	sub load_header_from($) {	1793	sub load_header_from($) {
1259	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1260		1795
1261	utf8::encode $path;	1796	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1263	or return;	1798	or return;
1264		1799
1265	$self->_load_header ($path)	1800	$self->_load_header ($f)
1266	or return;	1801	or return;
1267		1802
		1803	local $MAP_LOADING{$self->{path}} = $self;
		1804	$f->resolve_delayed_derefs;
		1805
1268	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1269		1807
1270	1	1808	1
1271	}	1809	}
1272		1810
1273	sub load_orig {	1811	sub load_header_orig {
1274	my ($self) = @_;	1812	my ($self) = @_;
1275		1813
1276	$self->load_header_from ($self->load_path)	1814	$self->load_header_from ($self->load_path)
1277	}	1815	}
1278		1816
1279	sub load_temp {	1817	sub load_header_temp {
1280	my ($self) = @_;	1818	my ($self) = @_;
1281		1819
1282	$self->load_header_from ($self->save_path)	1820	$self->load_header_from ($self->save_path)
		1821	}
		1822
		1823	sub prepare_temp {
		1824	my ($self) = @_;
		1825
		1826	$self->last_access ((delete $self->{last_access})
		1827	|| $cf::RUNTIME); #d#
		1828	# safety
		1829	$self->{instantiate_time} = $cf::RUNTIME
		1830	if $self->{instantiate_time} > $cf::RUNTIME;
		1831	}
		1832
		1833	sub prepare_orig {
		1834	my ($self) = @_;
		1835
		1836	$self->{load_original} = 1;
		1837	$self->{instantiate_time} = $cf::RUNTIME;
		1838	$self->last_access ($cf::RUNTIME);
		1839	$self->instantiate;
1283	}	1840	}
1284		1841
1285	sub load_header {	1842	sub load_header {
1286	my ($self) = @_;	1843	my ($self) = @_;
1287		1844
1288	if ($self->load_temp) {	1845	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1846	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1847	} else {
1295	$self->load_orig	1848	$self->load_header_orig
1296	or return;	1849	or return;
1297		1850	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1851	}
		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
		1856	$self->default_region (cf::region::find_by_path $self->{path})
		1857	unless $self->default_region;
1303		1858
1304	1	1859	1
1305	}	1860	}
1306		1861
1307	sub find;	1862	sub find;
1308	sub find {	1863	sub find {
1309	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1310		1865
1311	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1312		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1314		1870
1315	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1316	my $guard = cf::lock_acquire "map_find:$path";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1874
1317	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1318	or return;	1876	or return;
1319		1877
1320	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1321		1879
1322	$map->load_header	1880	$map->load_header
1323	or return;	1881	or return;
1324		1882
1325	if ($map->should_reset) {	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1884	# doing this can freeze the server in a sync job, obviously
		1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1326	$map->reset;	1888	$map->reset;
1327	undef $guard;
1328	$map = find $path	1889	return find $path;
1329	or return;
1330	}	1890	}
1331		1891
1332	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1333	}	1893	}
1334	}	1894	}
		1895
		1896	sub pre_load { }
		1897	sub post_load { }
1335		1898
1336	sub load {	1899	sub load {
1337	my ($self) = @_;	1900	my ($self) = @_;
1338		1901
		1902	local $self->{deny_reset} = 1; # loading can take a long time
		1903
1339	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1341		1908
		1909	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		1911
1344	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1345		1913
1346	$self->alloc;	1914	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	1915
		1916	$self->pre_load;
		1917	cf::cede_to_tick;
		1918
		1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
		1921	$self->_load_objects ($f)
1348	or return;	1922	or return;
1349		1923
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	1925	if delete $self->{load_original};
1352		1926
1353	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	1928	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	1931	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1358	}	1935	}
1359	}	1936	}
1360		1937
1361	Coro::cede;	1938	$f->resolve_delayed_derefs;
1362		1939
		1940	cf::cede_to_tick;
1363	# now do the right thing for maps	1941	# now do the right thing for maps
1364	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1944	unless $self->difficulty;
1374	Coro::cede;	1945	cf::cede_to_tick;
		1946
		1947	unless ($self->{deny_activate}) {
		1948	$self->decay_objects;
		1949	$self->fix_auto_apply;
		1950	$self->update_buttons;
		1951	cf::cede_to_tick;
		1952	$self->set_darkness_map;
		1953	cf::cede_to_tick;
1375	$self->activate;	1954	$self->activate;
1376	}	1955	}
1377		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1960	$self->in_memory (cf::MAP_IN_MEMORY);
		1961	}
		1962
		1963	$self->post_load;
1379	}	1964	}
1380		1965
1381	sub customise_for {	1966	sub customise_for {
1382	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1383		1968
1384	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1970	if $self->per_player;
1386		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1387	$self	1975	$self
1388	}	1976	}
1389		1977
1390	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	1979	sub load_neighbours {
1392	my ($map) = @_;	1980	my ($map) = @_;
1393		1981
1394	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1395		1983
1396	for (0 .. 3) {	1984	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1398	or next;	1986	or next;
1399	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1400	or next;	1988	or next;
1401	$neigh->load;	1989	$neigh->load;
1402		1990
		1991	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	1994	}
1406		1995
1407	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1409	or next;	1999	or next;
1410	$neigh->load;	2000	$neigh->load;
1411	}	2001	}
1412	}	2002	}
1413		2003
…		…
1418	}	2008	}
1419		2009
1420	sub do_load_sync {	2010	sub do_load_sync {
1421	my ($map) = @_;	2011	my ($map) = @_;
1422		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1423	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1424	}	2017	}
1425		2018
1426	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2020	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2021
1440	sub find_async {	2022	sub find_async {
1441	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1442		2024
1443	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1444		2026
1445	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2029	}
		2030
		2031	$MAP_PREFETCH{$path} |= $load;
		2032
		2033	$MAP_PREFETCHER ||= cf::async {
		2034	while (%MAP_PREFETCH) {
		2035	while (my ($k, $v) = each %MAP_PREFETCH) {
		2036	if (my $map = find $k) {
		2037	$map->load if $v;
		2038	}
		2039
		2040	delete $MAP_PREFETCH{$k};
		2041	}
		2042	}
		2043	undef $MAP_PREFETCHER;
1447	}	2044	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2045	$MAP_PREFETCHER->prio (6);
1451		2046
1452	()	2047	()
1453	}	2048	}
1454		2049
1455	sub save {	2050	sub save {
1456	my ($self) = @_;	2051	my ($self) = @_;
1457		2052
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2054
1460	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1461		2056
1462	return unless $self->dirty;	2057	return unless $self->dirty;
1463		2058
…		…
1486	my ($self) = @_;	2081	my ($self) = @_;
1487		2082
1488	# save first because save cedes	2083	# save first because save cedes
1489	$self->save;	2084	$self->save;
1490		2085
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2087
1493	return if $self->players;	2088	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};	2090	return if $self->{deny_save};
1496		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1497	$self->clear;	2096	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2097	}
1500		2098
1501	sub reset_at {	2099	sub reset_at {
1502	my ($self) = @_;	2100	my ($self) = @_;
1503		2101
1504	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1507		2104
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2107
…		…
1515	my ($self) = @_;	2112	my ($self) = @_;
1516		2113
1517	$self->reset_at <= $cf::RUNTIME	2114	$self->reset_at <= $cf::RUNTIME
1518	}	2115	}
1519		2116
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2117	sub reset {
1535	my ($self) = @_;	2118	my ($self) = @_;
1536		2119
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2121
1539	return if $self->players;	2122	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2123
1542	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
		2125
		2126	$self->in_memory (cf::MAP_SWAPPED);
		2127
		2128	# need to save uniques path
		2129	unless ($self->{deny_save}) {
		2130	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2131
		2132	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2133	if $uniq;
		2134	}
1543		2135
1544	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1545		2137
1546	$self->in_memory (cf::MAP_SWAPPED);	2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2140	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2141
1551	$self->unlink_save;	2142	$self->unlink_save;
1552	$self->destroy;	2143	$self->destroy;
1553	}	2144	}
1554		2145
1555	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1556		2147
1557	sub nuke {	2148	sub nuke {
1558	my ($self) = @_;	2149	my ($self) = @_;
1559		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
		2154	delete $cf::MAP{$self->path};
		2155
		2156	$self->unlink_save;
		2157
		2158	bless $self, "cf::map";
		2159	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2163
		2164	$cf::MAP{$self->path} = $self;
		2165	}
		2166
1563	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
		2168	}
		2169
		2170	=item $maps = cf::map::tmp_maps
		2171
		2172	Returns an arrayref with all map paths of currently instantiated and saved
		2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
		2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
		2187
		2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1564	}	2204	}
1565		2205
1566	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1567		2207
1568	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2209	instantiated unique items. May block.
1570		2210
1571	=cut	2211	=cut
1572		2212
1573	sub unique_maps() {	2213	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2214	[
1575	or return;	2215	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2216	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2217	/\.map$/
1585	push @paths, $_;	2218	? normalise $_
		2219	: ()
		2220	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2221	]
1587
1588	\@paths
1589	}	2222	}
1590		2223
1591	package cf;	2224	package cf;
1592		2225
1593	=back	2226	=back
…		…
1611	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1612	}	2245	}
1613		2246
1614	sub inv_recursive {	2247	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1616	}	2280	}
1617		2281
1618	package cf;	2282	package cf;
1619		2283
1620	=back	2284	=back
…		…
1639		2303
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2305
1642	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1644	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1647	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1648	}	2331	}
1649		2332
1650	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1651		2334
1652	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2367	=cut
1685		2368
1686	sub link_map {	2369	sub link_map {
1687	unless ($LINK_MAP) {	2370	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2371	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2372	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2373	$LINK_MAP->load;
1691	}	2374	}
1692		2375
1693	$LINK_MAP	2376	$LINK_MAP
1694	}	2377	}
…		…
1699	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1700		2383
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2385
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1705		2388
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2390	}
1708		2391
1709	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1711		2396
1712	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1713		2398
1714	unless ($map) {	2399	unless ($map) {
1715	# restore original map position	2400	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1732		2417
1733	$map->load;	2418	$map->load;
1734	$map->load_diag;	2419	$map->load_neighbours;
1735		2420
1736	return unless $self->contr->active;	2421	return unless $self->contr->active;
1737	$self->activate_recursive;	2422	$self->activate_recursive;
		2423
		2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1739	}	2426	}
1740		2427
1741	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2429
1745	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1749	};	2434	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2435
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1776		2439
1777	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
		2442
		2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2445
1780	$self->enter_link;	2446	$self->enter_link;
1781		2447
1782	(async {	2448	(async {
		2449	my $map = eval {
1783	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
1785		2454	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2455	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
1790		2458
		2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
		2465	}
		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1792	})->prio (1);	2473	})->prio (1);
1793	}	2474	}
1794		2475
1795	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1796		2477
…		…
1798		2479
1799	sub parse_random_map_params {	2480	sub parse_random_map_params {
1800	my ($spec) = @_;	2481	my ($spec) = @_;
1801		2482
1802	my $rmp = { # defaults	2483	my $rmp = { # defaults
1803	xsize => 10,	2484	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2485	ysize => (cf::rndm 15, 40),
		2486	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2487	#layout => string,
1805	};	2488	};
1806		2489
1807	for (split /\n/, $spec) {	2490	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2491	my ($k, $v) = split /\s+/, $_, 2;
1809		2492
…		…
1813	$rmp	2496	$rmp
1814	}	2497	}
1815		2498
1816	sub prepare_random_map {	2499	sub prepare_random_map {
1817	my ($exit) = @_;	2500	my ($exit) = @_;
		2501
		2502	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2503
1819	# all this does is basically replace the /! path by	2504	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2505	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2506	# that depends on the exit object
1822		2507
1823	my $rmp = parse_random_map_params $exit->msg;	2508	my $rmp = parse_random_map_params $exit->msg;
1824		2509
1825	if ($exit->map) {	2510	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2511	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2512	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2513	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2514	$rmp->{origin_y} = $exit->y;
1830	}	2515	}
1831		2516
1832	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1833		2518
1834	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
		2521	my $meta = "$RANDOMDIR/$md5.meta";
1836		2522
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
		2525	undef $fh;
		2526	aio_rename "$meta~", $meta;
1839		2527
1840	$exit->slaying ("?random/$md5");	2528	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2529	$exit->msg (undef);
1842	}	2530	}
1843	}	2531	}
…		…
1845	sub cf::object::player::enter_exit {	2533	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2534	my ($self, $exit) = @_;
1847		2535
1848	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1849		2537
		2538	if ($exit->slaying eq "/!") {
		2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2540	# the problem is that $exit might not survive long enough
		2541	# so it needs to be done right now, right here
		2542	cf::sync_job { prepare_random_map $exit };
		2543	}
		2544
		2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2546	my $hp = $exit->stats->hp;
		2547	my $sp = $exit->stats->sp;
		2548
1850	$self->enter_link;	2549	$self->enter_link;
		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
1851		2554
1852	(async {	2555	(async {
1853	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2557	unless (eval {
1855	prepare_random_map $exit	2558	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2559
1861	1;	2560	1;
1862	}) {	2561	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2563	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2564	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2566
1868	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2568	$self->leave_link;
1870	}	2569	}
1871	})->prio (1);	2570	})->prio (1);
…		…
1884		2583
1885	sub cf::client::send_drawinfo {	2584	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2585	my ($self, $text, $flags) = @_;
1887		2586
1888	utf8::encode $text;	2587	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2589	}
1891		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
		2672	=item $client->ext_msg ($type, @msg)
		2673
		2674	Sends an ext event to the client.
		2675
		2676	=cut
		2677
		2678	sub cf::client::ext_msg($$@) {
		2679	my ($self, $type, @msg) = @_;
		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
		2684	push @msg, msgtype => "event_$type";
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
		2705	}
1892		2706
1893	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
1894		2708
1895	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2710	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2712
1899	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2714	become reliable at some point in the future.
1901		2715
1902	=cut	2716	=cut
1903		2717
1904	sub cf::client::query {	2718	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2727	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2729
1916	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
1918	}	2734	}
1919		2735
1920	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
1921	on_reply => sub {	2742	on_reply => sub {
1922	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
1923		2744
1924	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
1925	# get handled first	2746	# get handled first
1926	my $queue = delete $ns->{query_queue}	2747	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2748	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2749
1929	(shift @$queue)->[1]->($msg);	2750	(shift @$queue)->[1]->($msg);
		2751	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2752
1931	push @{ $ns->{query_queue} }, @$queue;	2753	push @{ $ns->{query_queue} }, @$queue;
1932		2754
1933	if (@{ $ns->{query_queue} } == @$queue) {	2755	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2756	if (@$queue) {
…		…
1936	} else {	2758	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2760	}
1939	}	2761	}
1940	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
1941	);	2789	);
1942		2790
1943	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
1944		2792
1945	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
1988		2836
1989	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
1990		2838
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
1992		2844
1993	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
1994		2846
1995	=pod	2847	=pod
1996		2848
1997	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
1998		2850
1999	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2000	cf::object::player player	2855	cf::object::player
2001	cf::player peaceful	2856	player
2002	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2003		2863
2004	=cut	2864	=cut
2005		2865
2006	for (	2866	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2008	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2011	) {	2873	) {
2012	no strict 'refs';	2874	no strict 'refs';
…		…
2083	=back	2945	=back
2084		2946
2085	=cut	2947	=cut
2086		2948
2087	#############################################################################	2949	#############################################################################
		2950	# the server's init and main functions
2088		2951
2089	=head2 EXTENSION DATABASE SUPPORT	2952	sub load_facedata($) {
		2953	my ($path) = @_;
2090		2954
2091	Crossfire maintains a very simple database for extension use. It can	2955	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	2956	# for this (global event?)
2093	excludes objects.	2957	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		2958
2095	The parameter C<$family> should best start with the name of the extension	2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		2960
2098	=over 4	2961	warn "loading facedata from $path\n";
2099		2962
2100	=item $hashref = cf::db_get $family	2963	my $facedata;
		2964	0 < aio_load $path, $facedata
		2965	or die "$path: $!";
2101		2966
2102	Return a hashref for use by the extension C<$family>, which can be	2967	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		2968
2106	=item $value = cf::db_get $family => $key	2969	$facedata->{version} == 2
		2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		2971
2108	Returns a single value from the database	2972	# patch in the exptable
2109		2973	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	2974	type => FT_RSRC,
2111		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	2976	};
		2977	cf::cede_to_tick;
2161		2978
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	2979	{
		2980	my $faces = $facedata->{faceinfo};
2166		2981
2167	sub db_get($;$) {	2982	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}	2984	cf::face::set_visibility $idx, $info->{visibility};
2170	: ($DB->{$_[0]} ||= { })	2985	cf::face::set_magicmap $idx, $info->{magicmap};
2171	}	2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172		2988
2173	sub db_put($$;$) {	2989	cf::cede_to_tick;
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	2990	}
2187	);
2188	}
2189		2991
2190	#############################################################################	2992	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	2993	next unless $info->{smooth};
		2994	my $idx = cf::face::find $face
		2995	or next;
		2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
		2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2999	} else {
		3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3001	}
2192		3002
2193	sub cfg_load {	3003	cf::cede_to_tick;
		3004	}
		3005	}
		3006
		3007	{
		3008	my $anims = $facedata->{animinfo};
		3009
		3010	while (my ($anim, $info) = each %$anims) {
		3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3012	cf::cede_to_tick;
		3013	}
		3014
		3015	cf::anim::invalidate_all; # d'oh
		3016	}
		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
		3067	1
		3068	}
		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
		3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
		3083	load_resource_file "$MAPDIR/regions"
		3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
		3090	}
		3091
		3092	sub reload_facedata {
		3093	load_facedata "$DATADIR/facedata"
		3094	or die "unable to load facedata\n";
		3095	}
		3096
		3097	sub reload_archetypes {
		3098	load_resource_file "$DATADIR/archetypes"
		3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
		3105	}
		3106
		3107	sub reload_treasures {
		3108	load_resource_file "$DATADIR/treasures"
		3109	or die "unable to load treasurelists\n";
		3110	}
		3111
		3112	sub reload_resources {
		3113	warn "reloading resource files...\n";
		3114
		3115	reload_regions;
		3116	reload_facedata;
		3117	#reload_archetypes;#d#
		3118	reload_archetypes;
		3119	reload_treasures;
		3120
		3121	warn "finished reloading resource files\n";
		3122	}
		3123
		3124	sub init {
		3125	reload_resources;
		3126	}
		3127
		3128	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3130	or return;
2196		3131
2197	local $/;	3132	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2199		3134
…		…
2213		3148
2214	sub main {	3149	sub main {
2215	# we must not ever block the main coroutine	3150	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3151	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3152	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3153	(async {
2218	async { Event::one_event };	3154	Event::one_event;
		3155	})->prio (Coro::PRIO_MAX);
2219	};	3156	};
2220		3157
2221	cfg_load;	3158	reload_config;
2222	db_load;	3159	db_init;
2223	load_extensions;	3160	load_extensions;
		3161
		3162	$TICK_WATCHER->start;
2224	Event::loop;	3163	Event::loop;
2225	}	3164	}
2226		3165
2227	#############################################################################	3166	#############################################################################
2228	# initialisation and cleanup	3167	# initialisation and cleanup
2229		3168
2230	# install some emergency cleanup handlers	3169	# install some emergency cleanup handlers
2231	BEGIN {	3170	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3171	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3172	Event->signal (
		3173	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3174	data => WF_AUTOCANCEL,
2235	signal => $signal,	3175	signal => $signal,
		3176	prio => 0,
2236	cb => sub {	3177	cb => sub {
2237	cf::cleanup "SIG$signal";	3178	cf::cleanup "SIG$signal";
2238	},	3179	},
2239	);	3180	);
2240	}	3181	}
		3182	}
		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
2241	}	3220	}
2242		3221
2243	sub emergency_save() {	3222	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2245		3224
…		…
2262	my $map = $cf::MAP{$path} or next;	3241	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3242	$map->valid or next;
2264	$map->save;	3243	$map->save;
2265	}	3244	}
2266	warn "end emergency map save\n";	3245	warn "end emergency map save\n";
		3246
		3247	warn "begin emergency database checkpoint\n";
		3248	BDB::db_env_txn_checkpoint $DB_ENV;
		3249	warn "end emergency database checkpoint\n";
2267	};	3250	};
2268		3251
2269	warn "leave emergency perl save\n";	3252	warn "leave emergency perl save\n";
2270	}	3253	}
2271		3254
		3255	sub post_cleanup {
		3256	my ($make_core) = @_;
		3257
		3258	warn Carp::longmess "post_cleanup backtrace"
		3259	if $make_core;
		3260	}
		3261
2272	sub reload() {	3262	sub do_reload_perl() {
2273	# can/must only be called in main	3263	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3265	warn "can only reload from main coroutine";
2276	return;	3266	return;
2277	}	3267	}
2278		3268
2279	warn "reloading...";	3269	warn "reloading...";
2280		3270
2281	warn "freezing server";	3271	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3272
		3273	cf::sync_job {
		3274	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3275	cf::emergency_save;
		3276	cf::write_runtime; # external watchdog should not bark
2284		3277
2285	warn "sync database to disk";	3278	warn "syncing database to disk";
2286	cf::db_sync;	3279	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3280
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3281	# if anything goes wrong in here, we should simply crash as we already saved
2291		3282
2292	warn "cancel all watchers";	3283	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3284	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3285	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3286	}
2296		3287
		3288	warn "flushing outstanding aio requests";
		3289	for (;;) {
		3290	BDB::flush;
		3291	IO::AIO::flush;
		3292	Coro::cede;
		3293	last unless IO::AIO::nreqs || BDB::nreqs;
		3294	warn "iterate...";
		3295	}
		3296
		3297	++$RELOAD;
		3298
2297	warn "cancel all extension coros";	3299	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3300	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3301	%EXT_CORO = ();
2300		3302
2301	warn "remove commands";	3303	warn "removing commands";
2302	%COMMAND = ();	3304	%COMMAND = ();
2303		3305
2304	warn "remove ext commands";	3306	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2306		3309
2307	warn "unload/nuke all extensions";	3310	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2310		3313
2311	if (my $cb = $pkg->can ("unload")) {	3314	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3315	eval {
…		…
2317		3320
2318	warn "... nuking $pkg";	3321	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3322	Symbol::delete_package $pkg;
2320	}	3323	}
2321		3324
2322	warn "unload all perl modules loaded from $LIBDIR";	3325	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3326	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3327	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3328
2326	warn "removing <$k>";	3329	warn "... unloading $k";
2327	delete $INC{$k};	3330	delete $INC{$k};
2328		3331
2329	$k =~ s/\.pm$//;	3332	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3333	$k =~ s/\//::/g;
2331		3334
…		…
2334	}	3337	}
2335		3338
2336	Symbol::delete_package $k;	3339	Symbol::delete_package $k;
2337	}	3340	}
2338		3341
2339	warn "get rid of safe::, as good as possible";	3342	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3345
2343	warn "unload cf.pm \"a bit\"";	3346	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2345		3349
2346	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3351	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2349		3353
		3354	warn "unload completed, starting to reload now";
		3355
2350	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2351	require cf;	3357	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3359
2354	warn "load config and database again";	3360	warn "loading config and database again";
2355	cf::cfg_load;	3361	cf::reload_config;
2356	cf::db_load;
2357		3362
2358	warn "load extensions";	3363	warn "loading extensions";
2359	cf::load_extensions;	3364	cf::load_extensions;
2360		3365
2361	warn "reattach attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3367	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3368	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
2365	};	3370	warn "reattaching attachments to players";
		3371	reattach $_ for values %PLAYER;
2366		3372
2367	if ($@) {	3373	warn "leaving sync_job";
		3374
		3375	1
		3376	} or do {
2368	warn $@;	3377	warn $@;
2369	warn "error while reloading, exiting.";	3378	warn "error while reloading, exiting.";
2370	exit 1;	3379	exit 1;
2371	}	3380	};
2372		3381
2373	warn "reloaded";	3382	warn "reloaded";
2374	};	3383	};
2375		3384
		3385	our $RELOAD_WATCHER; # used only during reload
		3386
		3387	sub reload_perl() {
		3388	# doing reload synchronously and two reloads happen back-to-back,
		3389	# coro crashes during coro_state_free->destroy here.
		3390
		3391	$RELOAD_WATCHER ||= Event->timer (
		3392	reentrant => 0,
		3393	after => 0,
		3394	data => WF_AUTOCANCEL,
		3395	cb => sub {
		3396	do_reload_perl;
		3397	undef $RELOAD_WATCHER;
		3398	},
		3399	);
		3400	}
		3401
2376	register_command "reload" => sub {	3402	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2378		3404
2379	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3406	$who->message ("reloading server.");
		3407	async { reload_perl };
2383	}	3408	}
2384	};	3409	};
2385		3410
2386	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2387		3412
		3413	my $bug_warning = 0;
		3414
		3415	our @WAIT_FOR_TICK;
		3416	our @WAIT_FOR_TICK_BEGIN;
		3417
		3418	sub wait_for_tick {
		3419	return unless $TICK_WATCHER->is_active;
		3420	return if $Coro::current == $Coro::main;
		3421
		3422	my $signal = new Coro::Signal;
		3423	push @WAIT_FOR_TICK, $signal;
		3424	$signal->wait;
		3425	}
		3426
		3427	sub wait_for_tick_begin {
		3428	return unless $TICK_WATCHER->is_active;
		3429	return if $Coro::current == $Coro::main;
		3430
		3431	my $signal = new Coro::Signal;
		3432	push @WAIT_FOR_TICK_BEGIN, $signal;
		3433	$signal->wait;
		3434	}
		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2388	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3439	reentrant => 0,
		3440	parked => 1,
2390	prio => 0,	3441	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3443	data => WF_AUTOCANCEL,
2393	cb => sub {	3444	cb => sub {
		3445	if ($Coro::current != $Coro::main) {
		3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3447	unless ++$bug_warning > 10;
		3448	return;
		3449	}
		3450
2394	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2395		3452
2396	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
		3477
2397	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2399		3480
2400	$WAIT_FOR_TICK->broadcast;	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3483	Coro::async_pool {
		3484	write_runtime
		3485	or warn "ERROR: unable to write runtime file: $!";
		3486	};
		3487	}
		3488
		3489	# my $AFTER = Event::time;
		3490	# warn $AFTER - $NOW;#d#
		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
2402		3500
2403	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3503
2406	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
		3506
		3507	$LOAD = ($NOW - $tick_start) / $TICK;
		3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3509
		3510	_post_tick;
		3511
		3512
2408	},	3513	},
2409	);	3514	);
2410		3515
		3516	{
		3517	BDB::max_poll_time $TICK * 0.1;
		3518	$BDB_POLL_WATCHER = Event->io (
		3519	reentrant => 0,
		3520	fd => BDB::poll_fileno,
		3521	poll => 'r',
		3522	prio => 0,
		3523	data => WF_AUTOCANCEL,
		3524	cb => \&BDB::poll_cb,
		3525	);
		3526	BDB::min_parallel 8;
		3527
		3528	BDB::set_sync_prepare {
		3529	my $status;
		3530	my $current = $Coro::current;
		3531	(
		3532	sub {
		3533	$status = $!;
		3534	$current->ready; undef $current;
		3535	},
		3536	sub {
		3537	Coro::schedule while defined $current;
		3538	$! = $status;
		3539	},
		3540	)
		3541	};
		3542
		3543	unless ($DB_ENV) {
		3544	$DB_ENV = BDB::db_env_create;
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556
		3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3558	$DB_ENV->set_lk_detect;
		3559	};
		3560
		3561	cf::cleanup "db_env_open(db): $@" if $@;
		3562	};
		3563	}
		3564	}
		3565
		3566	{
		3567	IO::AIO::min_parallel 8;
		3568
		3569	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3570	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3571	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3572	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3573	data => WF_AUTOCANCEL,
2423	after => 0,	3574	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3575	poll => 'r',
2425	cb => sub {	3576	prio => 6,
2426	(Coro::unblock_sub {	3577	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3578	);
2428	or warn "ERROR: unable to write runtime file: $!";	3579	}
		3580
		3581	my $_log_backtrace;
		3582
		3583	sub _log_backtrace {
		3584	my ($msg, @addr) = @_;
		3585
		3586	$msg =~ s/\n//;
		3587
		3588	# limit the # of concurrent backtraces
		3589	if ($_log_backtrace < 2) {
		3590	++$_log_backtrace;
		3591	async {
		3592	my @bt = fork_call {
		3593	@addr = map { sprintf "%x", $_ } @addr;
		3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3596	or die "addr2line: $!";
		3597
		3598	my @funcs;
		3599	my @res = <$fh>;
		3600	chomp for @res;
		3601	while (@res) {
		3602	my ($func, $line) = splice @res, 0, 2, ();
		3603	push @funcs, "[$func] $line";
		3604	}
		3605
		3606	@funcs
		3607	};
		3608
		3609	LOG llevInfo, "[ABT] $msg\n";
		3610	LOG llevInfo, "[ABT] $_\n" for @bt;
		3611	--$_log_backtrace;
2429	})->();	3612	};
		3613	} else {
		3614	LOG llevInfo, "[ABT] $msg\n";
		3615	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3616	}
2431	);	3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
2432		3621
2433	END { cf::emergency_save }	3622	END { cf::emergency_save }
2434		3623
2435	1	3624	1
2436		3625

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines