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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.180 by root, Fri Jan 19 00:38:02 2007 UTC vs.
Revision 1.386 by root, Mon Oct 15 17:50:27 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 Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.4 ();	15	use Coro 4.1 ();
		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;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
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 $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	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		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	136	every server tick.
102		137
103	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	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	173	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	174	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.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		206
151	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	Wait until the given lock is available and then acquires it and returns	274	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,	275	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	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
271	}	397	}
272		398
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	The design of crossfire+ requires that the main coro ($Coro::main) is	411	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	412	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.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
288		415
289	If it must be done, put the blocking parts into C<sync_job>. This will run	416	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	417	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	418	server will be frozen during this time, so the block should either finish
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
317	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
318	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
319		458
320	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
321	} else {	460	} else {
322	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
323		462
…		…
343	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
344		483
345	$coro	484	$coro
346	}	485	}
347		486
348	sub write_runtime {	487	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		488
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
352	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
353		493
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	494	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		495
358	aio_fsync $fh	496	sub fork_call(&@) {
359	and return;	497	my ($cb, @args) = @_;
360		498
361	close $fh	499	# we seemingly have to make a local copy of the whole thing,
362	or return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
363		502
364	aio_rename "$runtime~", $runtime	503	my @res = Coro::Util::fork_eval {
365	and return;	504	reset_signals;
		505	&$cb
		506	}, @args;
366		507
		508	wantarray ? @res : $res[-1]
		509	}
		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
367	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	647	}
369		648
370	=back	649	=back
371		650
372	=cut	651	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
381		660
382	In the following description, CLASS can be any of C<global>, C<object>	661	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	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	663	Crossfire TRT).
385		664
386	=over 4	665	=over 4
387		666
388	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
389		668
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
553		832
554	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		837
559	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	839	my $pkg = shift @arg;
561		840
562	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
592	}	871	}
593		872
594	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
595	} else {	874	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	876	}
598		877
599	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
600	}	879	}
601		880
…		…
603	if (ref $_[0]) {	882	if (ref $_[0]) {
604	_object_attach @_;	883	_object_attach @_;
605	} else {	884	} else {
606	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
607	}	886	}
		887	_recalc_want;
608	};	888	};
609		889
610	# all those should be optimised	890	# all those should be optimised
611	sub cf::attachable::detach {	891	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
616	reattach ($obj);	896	reattach ($obj);
617	} else {	897	} else {
618	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
619	}	899	}
		900	_recalc_want;
620	};	901	};
621		902
622	sub cf::attachable::attached {	903	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
624		905
…		…
639	";	920	";
640	die if $@;	921	die if $@;
641	}	922	}
642		923
643	our $override;	924	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		926
646	sub override {	927	sub override {
647	$override = 1;	928	$override = 1;
648	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
649	}	930	}
650		931
651	sub do_invoke {	932	sub do_invoke {
652	my $event = shift;	933	my $event = shift;
653	my $callbacks = shift;	934	my $callbacks = shift;
654		935
655	@invoke_results = ();	936	@INVOKE_RESULTS = ();
656		937
657	local $override;	938	local $override;
658		939
659	for (@$callbacks) {	940	for (@$callbacks) {
660	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
677		958
678	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
679		960
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		964
684	=back	965	=back
685		966
686	=cut	967	=cut
687		968
688	#############################################################################	969	#############################################################################
689	# object support	970	# object support
		971
		972	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
690		1013
691	sub reattach {	1014	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1016	my ($obj) = @_;
694		1017
…		…
741	sub object_freezer_save {	1064	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
743		1066
744	sync_job {	1067	sync_job {
745	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
748		1072
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1076	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1077	close $fh;
754		1078
755	if (@$objs) {	1079	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1084	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1085	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
763	}	1087	}
764	} else {	1088	} else {
765	aio_unlink "$filename.pst";	1089	aio_unlink "$filename.pst";
…		…
771	}	1095	}
772	} else {	1096	} else {
773	aio_unlink $filename;	1097	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
775	}	1099	}
776	}	1100	};
777	}	1101	}
778		1102
779	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
781		1105
…		…
793	or return;	1117	or return;
794		1118
795	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
797	or return;	1121	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };
799	}
800		1122
		1123	my $st = eval { Coro::Storable::thaw $av }
		1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1125	$av = $st->{objs};
		1126	}
		1127
		1128	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1130	$decname, length $data, scalar @{$av || []};
		1131
803	return ($data, $av);	1132	($data, $av)
804	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
805		1140
806	#############################################################################	1141	#############################################################################
807	# command handling &c	1142	# command handling &c
808		1143
809	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1158	}
824		1159
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1161
827	Register a callbackf ro execution when the client sends an extcmd packet.	1162	Register a callback for execution when the client sends an (synchronous)
		1163	extcmd packet. Ext commands will be processed in the order they are
		1164	received by the server, like other user commands. The first argument is
		1165	the logged-in player. Ext commands can only be processed after a player
		1166	has logged in successfully.
828		1167
829	If the callback returns something, it is sent back as if reply was being	1168	If the callback returns something, it is sent back as if reply was being
830	called.	1169	called.
831		1170
		1171	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1172
		1173	Register a callback for execution when the client sends an (asynchronous)
		1174	exticmd packet. Exti commands are processed by the server as soon as they
		1175	are received, i.e. out of order w.r.t. other commands. The first argument
		1176	is a client socket. Exti commands can be received anytime, even before
		1177	log-in.
		1178
		1179	If the callback returns something, it is sent back as if reply was being
		1180	called.
		1181
832	=cut	1182	=cut
833		1183
834	sub register_extcmd {	1184	sub register_extcmd {
835	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
836		1186
837	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
838	}	1194	}
839		1195
840	cf::player->attach (	1196	cf::player->attach (
841	on_command => sub {	1197	on_command => sub {
842	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1207	cf::override;
852	},	1208	},
853	on_extcmd => sub {	1209	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
855		1211
856	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1213
858	if (ref $msg) {	1214	if (ref $msg) {
		1215	my ($type, $reply, @payload) =
		1216	"ARRAY" eq ref $msg
		1217	? @$msg
		1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1219
		1220	my @reply;
		1221
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
864	} else {	1229	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1231	}
867		1232
868	cf::override;	1233	cf::override;
869	},	1234	},
870	);	1235	);
871		1236
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
907	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1242	next unless -r $path;
909	eval {	1243
910	load_extension $ext;	1244	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1245	my $base = $1;
		1246	my $pkg = $1;
		1247	$pkg =~ s/[^[:word:]]/_/g;
		1248	$pkg = "ext::$pkg";
		1249
		1250	open my $fh, "<:utf8", $path
		1251	or die "$path: $!";
		1252
		1253	my $source = do { local $/; <$fh> };
		1254
		1255	my %ext = (
		1256	path => $path,
		1257	base => $base,
		1258	pkg => $pkg,
		1259	);
		1260
		1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1263
		1264	$ext{source} =
		1265	"package $pkg; use strict; use utf8;\n"
		1266	. "#line 1 \"$path\"\n{\n"
		1267	. $source
		1268	. "\n};\n1";
		1269
		1270	$todo{$base} = \%ext;
		1271	}
		1272
		1273	my %done;
		1274	while (%todo) {
		1275	my $progress;
		1276
		1277	while (my ($k, $v) = each %todo) {
		1278	for (split /,\s*/, $v->{meta}{depends}) {
		1279	goto skip
		1280	unless exists $done{$_};
		1281	}
		1282
		1283	warn "... loading '$k' into '$v->{pkg}'\n";
		1284
		1285	unless (eval $v->{source}) {
		1286	my $msg = $@ ? "$v->{path}: $@\n"
		1287	: "$v->{base}: extension inactive.\n";
		1288
		1289	if (exists $v->{meta}{mandatory}) {
		1290	warn $msg;
		1291	warn "mandatory extension failed to load, exiting.\n";
		1292	exit 1;
		1293	}
		1294
		1295	warn $msg;
		1296	}
		1297
		1298	$done{$k} = delete $todo{$k};
		1299	push @EXTS, $v->{pkg};
		1300	$progress = 1;
911	1	1301	}
912	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
913	}	1307	};
914	}	1308	}
915		1309
916	#############################################################################	1310	#############################################################################
917		1311
		1312	=back
		1313
918	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
919		1315
920	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
921		1317
922	=cut	1318	=cut
…		…
927		1323
928	=head3 cf::player	1324	=head3 cf::player
929		1325
930	=over 4	1326	=over 4
931		1327
		1328	=item cf::player::num_playing
		1329
		1330	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1331
		1332	=cut
		1333
		1334	sub num_playing {
		1335	scalar grep
		1336	$_->ob->map
		1337	&& !$_->hidden
		1338	&& !$_->ob->flag (cf::FLAG_WIZ),
		1339	cf::player::list
		1340	}
		1341
932	=item cf::player::find $login	1342	=item cf::player::find $login
933		1343
934	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
935		1345
936	=cut	1346	=cut
937		1347
938	sub playerdir($) {	1348	sub playerdir($) {
939	cf::localdir	1349	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1350	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1351	}
945		1352
946	sub path($) {	1353	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1354	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1355
949	(playerdir $login) . "/$login.pl"	1356	(playerdir $login) . "/playerdata"
950	}	1357	}
951		1358
952	sub find_active($) {	1359	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1360	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1361	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1374	my $login = $_[0];
968		1375
969	my $guard = cf::lock_acquire "user_find:$login";	1376	my $guard = cf::lock_acquire "user_find:$login";
970		1377
971	$cf::PLAYER{$_[0]} || do {	1378	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1379	# rename old playerfiles to new ones
		1380	#TODO: remove when no longer required
		1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1384	aio_unlink +(playerdir $login) . "/$login.pl";
		1385
		1386	my $f = new_from_file cf::object::thawer path $login
973	or return;	1387	or return;
		1388
		1389	my $pl = cf::player::load_pl $f
		1390	or return;
		1391	local $cf::PLAYER_LOADING{$login} = $pl;
		1392	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
975	}	1394	}
976	}	1395	}
977	}	1396	}
978		1397
…		…
988		1407
989	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
991		1410
992	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
993	Coro::cede;	1412	cf::cede_to_tick;
994	}	1413	}
995		1414
996	sub new($) {	1415	sub new($) {
997	my ($login) = @_;	1416	my ($login) = @_;
998		1417
…		…
1004	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
1005		1424
1006	$self	1425	$self
1007	}	1426	}
1008		1427
		1428	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1429
		1430	=cut
		1431
		1432	sub send_msg {
		1433	my $ns = shift->ns
		1434	or return;
		1435	$ns->send_msg (@_);
		1436	}
		1437
1009	=item $pl->quit_character	1438	=item $pl->quit_character
1010		1439
1011	Nukes the player without looking back. If logged in, the connection will	1440	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1441	be destroyed. May block for a long time.
1013		1442
1014	=cut	1443	=cut
1015		1444
1016	sub quit_character {	1445	sub quit_character {
1017	my ($pl) = @_;	1446	my ($pl) = @_;
		1447
		1448	my $name = $pl->ob->name;
1018		1449
1019	$pl->{deny_save} = 1;	1450	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1451	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1452
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1458	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1459	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1460	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1461	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1462	$pl->destroy;
		1463
		1464	my $prefix = qr<^~\Q$name\E/>;
		1465
		1466	# nuke player maps
		1467	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1468
1032	IO::AIO::aio_rmtree $temp;	1469	IO::AIO::aio_rmtree $temp;
		1470	}
		1471
		1472	=item $pl->kick
		1473
		1474	Kicks a player out of the game. This destroys the connection.
		1475
		1476	=cut
		1477
		1478	sub kick {
		1479	my ($pl, $kicker) = @_;
		1480
		1481	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1482	$pl->killer ("kicked");
		1483	$pl->ns->destroy;
1033	}	1484	}
1034		1485
1035	=item cf::player::list_logins	1486	=item cf::player::list_logins
1036		1487
1037	Returns am arrayref of all valid playernames in the system, can take a	1488	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1489	while and may block, so not sync_job-capable, ever.
1039		1490
1040	=cut	1491	=cut
1041		1492
1042	sub list_logins {	1493	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1494	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1495	or return [];
1045		1496
1046	my @logins;	1497	my @logins;
1047		1498
1048	for my $login (@$dirs) {	1499	for my $login (@$dirs) {
		1500	my $path = path $login;
		1501
		1502	# a .pst is a dead give-away for a valid player
		1503	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1052		1508
1053	utf8::decode $login;	1509	utf8::decode $login;
1054	push @logins, $login;	1510	push @logins, $login;
1055	}	1511	}
1056		1512
…		…
1064		1520
1065	=cut	1521	=cut
1066		1522
1067	sub maps($) {	1523	sub maps($) {
1068	my ($pl) = @_;	1524	my ($pl) = @_;
		1525
		1526	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1527
1070	my $files = aio_readdir playerdir $pl	1528	my $files = aio_readdir playerdir $pl
1071	or return;	1529	or return;
1072		1530
1073	my @paths;	1531	my @paths;
…		…
1075	for (@$files) {	1533	for (@$files) {
1076	utf8::decode $_;	1534	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1535	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1536	next unless /^$PATH_SEP/o;
1079		1537
1080	s/\.map$//;	1538	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1539	}
1083		1540
1084	\@paths	1541	\@paths
1085	}	1542	}
1086		1543
		1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1545
		1546	Expand crossfire pod fragments into protocol xml.
		1547
		1548	=cut
		1549
		1550	sub expand_cfpod {
		1551	((my $self), (local $_)) = @_;
		1552
		1553	# escape & and <
		1554	s/&/&amp;/g;
		1555	s/(?<![BIUGHT])</&lt;/g;
		1556
		1557	# this is buggy, it needs to properly take care of nested <'s
		1558
		1559	1 while
		1560	# replace B<>, I<>, U<> etc.
		1561	s/B<([^\>]*)>/<b>$1<\/b>/
		1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1565	# replace G<male|female> tags
		1566	|| s{G<([^>|]*)\|([^>]*)>}{
		1567	$self->gender ? $2 : $1
		1568	}ge
		1569	# replace H<hint text>
		1570	|| s{H<([^\>]*)>}
		1571	{
		1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1574	"")
		1575	[$self->{hintmode}]
		1576	}ge;
		1577
		1578	# create single paragraphs (very hackish)
		1579	s/(?<=\S)\n(?=\w)/ /g;
		1580
		1581	# compress some whitespace
		1582	s/\s+\n/\n/g; # ws line-ends
		1583	s/\n\n+/\n/g; # double lines
		1584	s/^\n+//; # beginning lines
		1585	s/\n+$//; # ending lines
		1586
		1587	$_
		1588	}
		1589
		1590	sub hintmode {
		1591	$_[0]{hintmode} = $_[1] if @_ > 1;
		1592	$_[0]{hintmode}
		1593	}
		1594
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1088		1596
1089	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1090		1598
1091	=cut	1599	=cut
1092		1600
1093	sub ext_reply($$$%) {	1601	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1095		1603
1096	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1605	}
1100		1606
1101	package cf;	1607	=item $player->ext_msg ($type, @msg)
		1608
		1609	Sends an ext event to the client.
		1610
		1611	=cut
		1612
		1613	sub ext_msg($$@) {
		1614	my ($self, $type, @msg) = @_;
		1615
		1616	$self->ns->ext_msg ($type, @msg);
		1617	}
		1618
		1619	=head3 cf::region
		1620
		1621	=over 4
		1622
		1623	=cut
		1624
		1625	package cf::region;
		1626
		1627	=item cf::region::find_by_path $path
		1628
		1629	Tries to decuce the likely region for a map knowing only its path.
		1630
		1631	=cut
		1632
		1633	sub find_by_path($) {
		1634	my ($path) = @_;
		1635
		1636	my ($match, $specificity);
		1637
		1638	for my $region (list) {
		1639	if ($region->{match} && $path =~ $region->{match}) {
		1640	($match, $specificity) = ($region, $region->specificity)
		1641	if $region->specificity > $specificity;
		1642	}
		1643	}
		1644
		1645	$match
		1646	}
1102		1647
1103	=back	1648	=back
1104
1105		1649
1106	=head3 cf::map	1650	=head3 cf::map
1107		1651
1108	=over 4	1652	=over 4
1109		1653
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1681	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1682	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1683	)
1140	}	1684	}
1141		1685
		1686	=item cf::map->register ($regex, $prio)
		1687
		1688	Register a handler for the map path matching the given regex at the
		1689	givne priority (higher is better, built-in handlers have priority 0, the
		1690	default).
		1691
		1692	=cut
		1693
1142	sub register {	1694	sub register {
1143	my (undef, $regex) = @_;	1695	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1696	my $pkg = caller;
1145		1697
1146	no strict;	1698	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1699	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1700
1149	$EXT_MAP{$pkg} = qr<$regex>;	1701	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1702	}
1151		1703
1152	# also paths starting with '/'	1704	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1705	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1706
1155	sub thawer_merge {	1707	sub thawer_merge {
1156	my ($self, $merge) = @_;	1708	my ($self, $merge) = @_;
1157		1709
1158	# we have to keep some variables in memory intact	1710	# we have to keep some variables in memory intact
1159	local $self->{path};	1711	local $self->{path};
1160	local $self->{load_path};	1712	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1713
1164	$self->SUPER::thawer_merge ($merge);	1714	$self->SUPER::thawer_merge ($merge);
1165	}	1715	}
1166		1716
1167	sub normalise {	1717	sub normalise {
1168	my ($path, $base) = @_;	1718	my ($path, $base) = @_;
		1719
		1720	$path = "$path"; # make sure its a string
		1721
		1722	$path =~ s/\.map$//;
1169		1723
1170	# map plan:	1724	# map plan:
1171	#	1725	#
1172	# /! non-realised random map exit (special hack!)	1726	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1727	# {... are special paths that are not being touched
…		…
1201		1755
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1756	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1757
1204	$path = normalise $path, $base;	1758	$path = normalise $path, $base;
1205		1759
1206	for my $pkg (keys %EXT_MAP) {	1760	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1761	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1762	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1763	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1211	return $self;	1765	return $self;
1212	}	1766	}
1213	}	1767	}
1214		1768
1215	Carp::carp "unable to resolve path '$path'.";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1770	()
1217	}	1771	}
1218		1772
1219	sub init {	1773	sub init {
1220	my ($self) = @_;	1774	my ($self) = @_;
…		…
1235		1789
1236	# the original (read-only) location	1790	# the original (read-only) location
1237	sub load_path {	1791	sub load_path {
1238	my ($self) = @_;	1792	my ($self) = @_;
1239		1793
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1794	"$MAPDIR/$self->{path}.map"
1241	}	1795	}
1242		1796
1243	# the temporary/swap location	1797	# the temporary/swap location
1244	sub save_path {	1798	sub save_path {
1245	my ($self) = @_;	1799	my ($self) = @_;
1246		1800
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1802	"$TMPDIR/$path.map"
1249	}	1803	}
1250		1804
1251	# the unique path, undef == no special unique path	1805	# the unique path, undef == no special unique path
1252	sub uniq_path {	1806	sub uniq_path {
1253	my ($self) = @_;	1807	my ($self) = @_;
1254		1808
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1810	"$UNIQUEDIR/$path"
1257	}	1811	}
1258		1812
1259	# and all this just because we cannot iterate over	1813	# and all this just because we cannot iterate over
1260	# all maps in C++...	1814	# all maps in C++...
1261	sub change_all_map_light {	1815	sub change_all_map_light {
…		…
1263		1817
1264	$_->change_map_light ($change)	1818	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1819	for grep $_->outdoor, values %cf::MAP;
1266	}	1820	}
1267		1821
		1822	sub decay_objects {
		1823	my ($self) = @_;
		1824
		1825	return if $self->{deny_reset};
		1826
		1827	$self->do_decay_objects;
		1828	}
		1829
1268	sub unlink_save {	1830	sub unlink_save {
1269	my ($self) = @_;	1831	my ($self) = @_;
1270		1832
1271	utf8::encode (my $save = $self->save_path);	1833	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1834	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1837
1276	sub load_header_from($) {	1838	sub load_header_from($) {
1277	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1278		1840
1279	utf8::encode $path;	1841	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1281	or return;	1843	or return;
1282		1844
1283	$self->_load_header ($path)	1845	$self->_load_header ($f)
1284	or return;	1846	or return;
1285		1847
		1848	local $MAP_LOADING{$self->{path}} = $self;
		1849	$f->resolve_delayed_derefs;
		1850
1286	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1287		1852
1288	1	1853	1
1289	}	1854	}
1290		1855
1291	sub load_orig {	1856	sub load_header_orig {
1292	my ($self) = @_;	1857	my ($self) = @_;
1293		1858
1294	$self->load_header_from ($self->load_path)	1859	$self->load_header_from ($self->load_path)
1295	}	1860	}
1296		1861
1297	sub load_temp {	1862	sub load_header_temp {
1298	my ($self) = @_;	1863	my ($self) = @_;
1299		1864
1300	$self->load_header_from ($self->save_path)	1865	$self->load_header_from ($self->save_path)
		1866	}
		1867
		1868	sub prepare_temp {
		1869	my ($self) = @_;
		1870
		1871	$self->last_access ((delete $self->{last_access})
		1872	|| $cf::RUNTIME); #d#
		1873	# safety
		1874	$self->{instantiate_time} = $cf::RUNTIME
		1875	if $self->{instantiate_time} > $cf::RUNTIME;
		1876	}
		1877
		1878	sub prepare_orig {
		1879	my ($self) = @_;
		1880
		1881	$self->{load_original} = 1;
		1882	$self->{instantiate_time} = $cf::RUNTIME;
		1883	$self->last_access ($cf::RUNTIME);
		1884	$self->instantiate;
1301	}	1885	}
1302		1886
1303	sub load_header {	1887	sub load_header {
1304	my ($self) = @_;	1888	my ($self) = @_;
1305		1889
1306	if ($self->load_temp) {	1890	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1891	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1892	} else {
1313	$self->load_orig	1893	$self->load_header_orig
1314	or return;	1894	or return;
1315		1895	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1896	}
		1897
		1898	$self->{deny_reset} = 1
		1899	if $self->no_reset;
		1900
		1901	$self->default_region (cf::region::find_by_path $self->{path})
		1902	unless $self->default_region;
1321		1903
1322	1	1904	1
1323	}	1905	}
1324		1906
1325	sub find;	1907	sub find;
1326	sub find {	1908	sub find {
1327	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1328		1910
1329	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1330		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1332		1915
1333	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";	1917	my $guard1 = cf::lock_acquire "map_find:$path";
		1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1919
1335	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1336	or return;	1921	or return;
1337		1922
1338	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1339		1924
1340	$map->load_header	1925	$map->load_header
1341	or return;	1926	or return;
1342		1927
1343	if ($map->should_reset) {	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1929	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1345	$map->reset;	1933	$map->reset;
1346	undef $guard;
1347	$map = find $path	1934	return find $path;
1348	or return;
1349	}	1935	}
1350		1936
1351	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1352	}	1938	}
1353	}	1939	}
		1940
		1941	sub pre_load { }
		1942	sub post_load { }
1354		1943
1355	sub load {	1944	sub load {
1356	my ($self) = @_;	1945	my ($self) = @_;
1357		1946
		1947	local $self->{deny_reset} = 1; # loading can take a long time
		1948
1358	my $path = $self->{path};	1949	my $path = $self->{path};
		1950
		1951	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1360		1953
		1954	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		1956
1363	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1364		1958
1365	$self->alloc;	1959	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	1960
		1961	$self->pre_load;
		1962	cf::cede_to_tick;
		1963
		1964	my $f = new_from_file cf::object::thawer $self->{load_path};
		1965	$f->skip_block;
		1966	$self->_load_objects ($f)
1367	or return;	1967	or return;
1368		1968
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	1970	if delete $self->{load_original};
1371		1971
1372	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	1973	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	1976	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1377	}	1980	}
1378	}	1981	}
1379		1982
1380	Coro::cede;	1983	$f->resolve_delayed_derefs;
1381		1984
		1985	cf::cede_to_tick;
1382	# now do the right thing for maps	1986	# now do the right thing for maps
1383	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	1988	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1989	unless $self->difficulty;
1393	Coro::cede;	1990	cf::cede_to_tick;
		1991
		1992	unless ($self->{deny_activate}) {
		1993	$self->decay_objects;
		1994	$self->fix_auto_apply;
		1995	$self->update_buttons;
		1996	cf::cede_to_tick;
		1997	$self->set_darkness_map;
		1998	cf::cede_to_tick;
1394	$self->activate;	1999	$self->activate;
1395	}	2000	}
1396		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
		2004
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2005	$self->in_memory (cf::MAP_IN_MEMORY);
		2006	}
		2007
		2008	$self->post_load;
1398	}	2009	}
1399		2010
1400	sub customise_for {	2011	sub customise_for {
1401	my ($self, $ob) = @_;	2012	my ($self, $ob) = @_;
1402		2013
1403	return find "~" . $ob->name . "/" . $self->{path}	2014	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2015	if $self->per_player;
1405		2016
		2017	# return find "?party/" . $ob->name . "/" . $self->{path}
		2018	# if $self->per_party;
		2019
1406	$self	2020	$self
1407	}	2021	}
1408		2022
1409	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2024	sub load_neighbours {
1411	my ($map) = @_;	2025	my ($map) = @_;
1412		2026
1413	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1414		2028
1415	for (0 .. 3) {	2029	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1417	or next;	2031	or next;
1418	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1419	or next;	2033	or next;
1420	$neigh->load;	2034	$neigh->load;
1421		2035
		2036	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2039	}
1425		2040
1426	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1428	or next;	2044	or next;
1429	$neigh->load;	2045	$neigh->load;
1430	}	2046	}
1431	}	2047	}
1432		2048
…		…
1437	}	2053	}
1438		2054
1439	sub do_load_sync {	2055	sub do_load_sync {
1440	my ($map) = @_;	2056	my ($map) = @_;
1441		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1442	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1443	}	2062	}
1444		2063
1445	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2065	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2066
1459	sub find_async {	2067	sub find_async {
1460	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1461		2069
1462	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1463		2071
1464	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2074	}
		2075
		2076	$MAP_PREFETCH{$path} |= $load;
		2077
		2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
		2081	while (%MAP_PREFETCH) {
		2082	while (my ($k, $v) = each %MAP_PREFETCH) {
		2083	if (my $map = find $k) {
		2084	$map->load if $v;
		2085	}
		2086
		2087	delete $MAP_PREFETCH{$k};
		2088	}
		2089	}
		2090	undef $MAP_PREFETCHER;
1466	}	2091	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2092	$MAP_PREFETCHER->prio (6);
1470		2093
1471	()	2094	()
1472	}	2095	}
1473		2096
1474	sub save {	2097	sub save {
1475	my ($self) = @_;	2098	my ($self) = @_;
1476		2099
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2101
1479	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1480		2103
1481	return unless $self->dirty;	2104	return unless $self->dirty;
1482		2105
…		…
1488	return if $self->{deny_save};	2111	return if $self->{deny_save};
1489		2112
1490	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1491		2114
1492	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1494	};	2118	};
1495		2119
1496	if ($uniq) {	2120	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1505	my ($self) = @_;	2129	my ($self) = @_;
1506		2130
1507	# save first because save cedes	2131	# save first because save cedes
1508	$self->save;	2132	$self->save;
1509		2133
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2135
1512	return if $self->players;	2136	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};	2138	return if $self->{deny_save};
1515		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2144	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2145	}
1519		2146
1520	sub reset_at {	2147	sub reset_at {
1521	my ($self) = @_;	2148	my ($self) = @_;
1522		2149
1523	# TODO: safety, remove and allow resettable per-player maps	2150	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2151	return 1e99 if $self->{deny_reset};
1526		2152
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2155
…		…
1540	my ($self) = @_;	2166	my ($self) = @_;
1541		2167
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2169
1544	return if $self->players;	2170	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2171
1547	warn "resetting map ", $self->path;#d#	2172	warn "resetting map ", $self->path;
		2173
		2174	$self->in_memory (cf::MAP_SWAPPED);
		2175
		2176	# need to save uniques path
		2177	unless ($self->{deny_save}) {
		2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2179
		2180	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2181	if $uniq;
		2182	}
1548		2183
1549	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1550		2185
1551	$self->in_memory (cf::MAP_SWAPPED);	2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2188	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2189
1556	$self->unlink_save;	2190	$self->unlink_save;
1557	$self->destroy;	2191	$self->destroy;
1558	}	2192	}
1559		2193
1560	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1561		2195
1562	sub nuke {	2196	sub nuke {
1563	my ($self) = @_;	2197	my ($self) = @_;
1564		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
1565	delete $cf::MAP{$self->path};	2202	delete $cf::MAP{$self->path};
1566		2203
1567	$self->unlink_save;	2204	$self->unlink_save;
1568		2205
1569	bless $self, "cf::map";	2206	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2207	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2211
1575	$cf::MAP{$self->path} = $self;	2212	$cf::MAP{$self->path} = $self;
		2213	}
1576		2214
1577	$self->reset; # polite request, might not happen	2215	$self->reset; # polite request, might not happen
		2216	}
		2217
		2218	=item $maps = cf::map::tmp_maps
		2219
		2220	Returns an arrayref with all map paths of currently instantiated and saved
		2221	maps. May block.
		2222
		2223	=cut
		2224
		2225	sub tmp_maps() {
		2226	[
		2227	map {
		2228	utf8::decode $_;
		2229	/\.map$/
		2230	? normalise $_
		2231	: ()
		2232	} @{ aio_readdir $TMPDIR or [] }
		2233	]
		2234	}
		2235
		2236	=item $maps = cf::map::random_maps
		2237
		2238	Returns an arrayref with all map paths of currently instantiated and saved
		2239	random maps. May block.
		2240
		2241	=cut
		2242
		2243	sub random_maps() {
		2244	[
		2245	map {
		2246	utf8::decode $_;
		2247	/\.map$/
		2248	? normalise "?random/$_"
		2249	: ()
		2250	} @{ aio_readdir $RANDOMDIR or [] }
		2251	]
1578	}	2252	}
1579		2253
1580	=item cf::map::unique_maps	2254	=item cf::map::unique_maps
1581		2255
1582	Returns an arrayref of paths of all shared maps that have	2256	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2257	instantiated unique items. May block.
1584		2258
1585	=cut	2259	=cut
1586		2260
1587	sub unique_maps() {	2261	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2262	[
1589	or return;	2263	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2264	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2265	/\.map$/
1599	push @paths, $_;	2266	? normalise $_
		2267	: ()
		2268	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2269	]
1601
1602	\@paths
1603	}	2270	}
1604		2271
1605	package cf;	2272	package cf;
1606		2273
1607	=back	2274	=back
…		…
1625	map { $_, inv_recursive_ $_->inv } @_	2292	map { $_, inv_recursive_ $_->inv } @_
1626	}	2293	}
1627		2294
1628	sub inv_recursive {	2295	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2296	inv_recursive_ inv $_[0]
		2297	}
		2298
		2299	=item $ref = $ob->ref
		2300
		2301	creates and returns a persistent reference to an objetc that can be stored as a string.
		2302
		2303	=item $ob = cf::object::deref ($refstring)
		2304
		2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2306	even if the object actually exists. May block.
		2307
		2308	=cut
		2309
		2310	sub deref {
		2311	my ($ref) = @_;
		2312
		2313	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2314	my ($uuid, $name) = ($1, $2);
		2315	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2316	or return;
		2317	$pl->ob->uuid eq $uuid
		2318	or return;
		2319
		2320	$pl->ob
		2321	} else {
		2322	warn "$ref: cannot resolve object reference\n";
		2323	undef
		2324	}
1630	}	2325	}
1631		2326
1632	package cf;	2327	package cf;
1633		2328
1634	=back	2329	=back
…		…
1653		2348
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2350
1656	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1658	} else {	2354	} else {
		2355	my $pl = $self->contr;
		2356
		2357	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2358	my $dialog = $pl->{npc_dialog};
		2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2360
		2361	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1661	}	2365	}
		2366	}
		2367
		2368	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2369
		2370	=cut
		2371
		2372	sub cf::object::send_msg {
		2373	my $pl = shift->contr
		2374	or return;
		2375	$pl->send_msg (@_);
1662	}	2376	}
1663		2377
1664	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1665		2379
1666	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2412	=cut
1699		2413
1700	sub link_map {	2414	sub link_map {
1701	unless ($LINK_MAP) {	2415	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2416	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2417	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2418	$LINK_MAP->load;
1705	}	2419	}
1706		2420
1707	$LINK_MAP	2421	$LINK_MAP
1708	}	2422	}
…		…
1713	$self->deactivate_recursive;	2427	$self->deactivate_recursive;
1714		2428
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2429	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2430
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2432	if $self->map && $self->map->{path} ne "{link}";
1719		2433
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2435	}
1722		2436
1723	sub cf::object::player::leave_link {	2437	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2438	my ($self, $map, $x, $y) = @_;
		2439
		2440	return unless $self->contr->active;
1725		2441
1726	my $link_pos = delete $self->{_link_pos};	2442	my $link_pos = delete $self->{_link_pos};
1727		2443
1728	unless ($map) {	2444	unless ($map) {
1729	# restore original map position	2445	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1746		2462
1747	$map->load;	2463	$map->load;
1748	$map->load_diag;	2464	$map->load_neighbours;
1749		2465
1750	return unless $self->contr->active;	2466	return unless $self->contr->active;
1751	$self->activate_recursive;	2467	$self->activate_recursive;
		2468
		2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1753	}	2471	}
1754		2472
1755	cf::player->attach (	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2474
1759	# abort map switching before logout	2475	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2476	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2477	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2478	the new (success) or old (failed) map position. In either case, $done will
1763	};	2479	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2480
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2481	=cut
		2482
		2483	our $GOTOGEN;
1790		2484
1791	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2486	my ($self, $path, $x, $y, $check, $done) = @_;
		2487
		2488	# do generation counting so two concurrent goto's will be executed in-order
		2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2490
1794	$self->enter_link;	2491	$self->enter_link;
1795		2492
1796	(async {	2493	(async {
1797	my $map = cf::map::find $path;	2494	$Coro::current->{desc} = "player::goto $path $x $y";
		2495
		2496	# *tag paths override both path and x|y
		2497	if ($path =~ /^\*(.*)$/) {
		2498	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2499	my $ob = $obs[rand @obs];
		2500
		2501	# see if we actually can go there
		2502	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2503	$ob = $obs[rand @obs];
		2504	} else {
		2505	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2506	}
		2507	# else put us there anyways for now #d#
		2508
		2509	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2510	} else {
		2511	($path, $x, $y) = (undef, undef, undef);
		2512	}
		2513	}
		2514
		2515	my $map = eval {
		2516	my $map = defined $path ? cf::map::find $path : undef;
		2517
		2518	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2519	$map = $map->customise_for ($self);
1799		2520	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2521	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2523	}
1804		2524
		2525	$map
		2526	};
		2527
		2528	if ($@) {
		2529	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2530	LOG llevError | logBacktrace, Carp::longmess $@;
		2531	}
		2532
		2533	if ($gen == $self->{_goto_generation}) {
		2534	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
		2536	}
		2537
		2538	$done->() if $done;
1806	})->prio (1);	2539	})->prio (1);
1807	}	2540	}
1808		2541
1809	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
1810		2543
…		…
1812		2545
1813	sub parse_random_map_params {	2546	sub parse_random_map_params {
1814	my ($spec) = @_;	2547	my ($spec) = @_;
1815		2548
1816	my $rmp = { # defaults	2549	my $rmp = { # defaults
1817	xsize => -1,	2550	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2551	ysize => (cf::rndm 15, 40),
		2552	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2553	#layout => string,
1819	};	2554	};
1820		2555
1821	for (split /\n/, $spec) {	2556	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2557	my ($k, $v) = split /\s+/, $_, 2;
1823		2558
…		…
1837	# that depends on the exit object	2572	# that depends on the exit object
1838		2573
1839	my $rmp = parse_random_map_params $exit->msg;	2574	my $rmp = parse_random_map_params $exit->msg;
1840		2575
1841	if ($exit->map) {	2576	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2577	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2578	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2579	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2580	$rmp->{origin_y} = $exit->y;
1846	}	2581	}
1847		2582
1848	$rmp->{random_seed} ||= $exit->random_seed;	2583	$rmp->{random_seed} ||= $exit->random_seed;
1849		2584
1850	my $data = cf::to_json $rmp;	2585	my $data = cf::to_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2586	my $md5 = Digest::MD5::md5_hex $data;
1852	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2587	my $meta = "$RANDOMDIR/$md5.meta";
1853		2588
1854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1855	aio_write $fh, 0, (length $data), $data, 0;	2590	aio_write $fh, 0, (length $data), $data, 0;
1856	undef $fh;	2591	undef $fh;
1857	aio_rename "$meta~", $meta;	2592	aio_rename "$meta~", $meta;
…		…
1864	sub cf::object::player::enter_exit {	2599	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2600	my ($self, $exit) = @_;
1866		2601
1867	return unless $self->type == cf::PLAYER;	2602	return unless $self->type == cf::PLAYER;
1868		2603
		2604	if ($exit->slaying eq "/!") {
		2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2606	# the problem is that $exit might not survive long enough
		2607	# so it needs to be done right now, right here
		2608	cf::sync_job { prepare_random_map $exit };
		2609	}
		2610
		2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2612	my $hp = $exit->stats->hp;
		2613	my $sp = $exit->stats->sp;
		2614
1869	$self->enter_link;	2615	$self->enter_link;
1870		2616
		2617	# if exit is damned, update players death & WoR home-position
		2618	$self->contr->savebed ($slaying, $hp, $sp)
		2619	if $exit->flag (FLAG_DAMNED);
		2620
1871	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
1872	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
1873	unless (eval {	2625	unless (eval {
1874	prepare_random_map $exit	2626	$self->goto ($slaying, $hp, $sp);
1875	if $exit->slaying eq "/!";
1876
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1879		2627
1880	1;	2628	1;
1881	}) {	2629	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2630	$self->message ("Something went wrong deep within the crossfire server. "
1883	. "I'll try to bring you back to the map you were before. "	2631	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2632	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2633	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2634
1887	warn "ERROR in enter_exit: $@";	2635	warn "ERROR in enter_exit: $@";
1888	$self->leave_link;	2636	$self->leave_link;
1889	}	2637	}
1890	})->prio (1);	2638	})->prio (1);
…		…
1903		2651
1904	sub cf::client::send_drawinfo {	2652	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2653	my ($self, $text, $flags) = @_;
1906		2654
1907	utf8::encode $text;	2655	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2657	}
1910		2658
		2659	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2660
		2661	Send a drawinfo or msg packet to the client, formatting the msg for the
		2662	client if neccessary. C<$type> should be a string identifying the type of
		2663	the message, with C<log> being the default. If C<$color> is negative, suppress
		2664	the message unless the client supports the msg packet.
		2665
		2666	=cut
		2667
		2668	our %CHANNEL = (
		2669	"c/identify" => {
		2670	id => "infobox",
		2671	title => "Identify",
		2672	reply => undef,
		2673	tooltip => "Items recently identified",
		2674	},
		2675	"c/examine" => {
		2676	id => "infobox",
		2677	title => "Examine",
		2678	reply => undef,
		2679	tooltip => "Signs and other items you examined",
		2680	},
		2681	"c/lookat" => {
		2682	id => "infobox",
		2683	title => "Look",
		2684	reply => undef,
		2685	tooltip => "What you saw there",
		2686	},
		2687	);
		2688
		2689	sub cf::client::send_msg {
		2690	my ($self, $channel, $msg, $color, @extra) = @_;
		2691
		2692	$msg = $self->pl->expand_cfpod ($msg);
		2693
		2694	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2695
		2696	# check predefined channels, for the benefit of C
		2697	if ($CHANNEL{$channel}) {
		2698	$channel = $CHANNEL{$channel};
		2699
		2700	$self->ext_msg (channel_info => $channel)
		2701	if $self->can_msg;
		2702
		2703	$channel = $channel->{id};
		2704
		2705	} elsif (ref $channel) {
		2706	# send meta info to client, if not yet sent
		2707	unless (exists $self->{channel}{$channel->{id}}) {
		2708	$self->{channel}{$channel->{id}} = $channel;
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711	}
		2712
		2713	$channel = $channel->{id};
		2714	}
		2715
		2716	return unless @extra || length $msg;
		2717
		2718	if ($self->can_msg) {
		2719	# default colour, mask it out
		2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2721	if $color & cf::NDI_DEF;
		2722
		2723	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2725	} else {
		2726	if ($color >= 0) {
		2727	# replace some tags by gcfclient-compatible ones
		2728	for ($msg) {
		2729	1 while
		2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2735	}
		2736
		2737	$color &= cf::NDI_COLOR_MASK;
		2738
		2739	utf8::encode $msg;
		2740
		2741	if (0 && $msg =~ /\[/) {
		2742	# COMMAND/INFO
		2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2744	} else {
		2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2746	$self->send_packet ("drawinfo $color $msg")
		2747	}
		2748	}
		2749	}
		2750	}
		2751
		2752	=item $client->ext_msg ($type, @msg)
		2753
		2754	Sends an ext event to the client.
		2755
		2756	=cut
		2757
		2758	sub cf::client::ext_msg($$@) {
		2759	my ($self, $type, @msg) = @_;
		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
		2764	push @msg, msgtype => "event_$type";
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2766	}
		2767	}
		2768
		2769	=item $client->ext_reply ($msgid, @msg)
		2770
		2771	Sends an ext reply to the client.
		2772
		2773	=cut
		2774
		2775	sub cf::client::ext_reply($$@) {
		2776	my ($self, $id, @msg) = @_;
		2777
		2778	if ($self->extcmd == 2) {
		2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2780	} elsif ($self->extcmd == 1) {
		2781	#TODO: version 1, remove
		2782	unshift @msg, msgtype => "reply", msgid => $id;
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2784	}
		2785	}
1911		2786
1912	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
1913		2788
1914	Queues a query to the client, calling the given callback with	2789	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2790	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2791	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		2792
1918	Queries can fail, so check the return code. Or don't, as queries will become	2793	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	2794	become reliable at some point in the future.
1920		2795
1921	=cut	2796	=cut
1922		2797
1923	sub cf::client::query {	2798	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	2807	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		2809
1935	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
1937	}	2814	}
1938		2815
1939	cf::client->attach (	2816	cf::client->attach (
		2817	on_connect => sub {
		2818	my ($ns) = @_;
		2819
		2820	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2821	},
1940	on_reply => sub {	2822	on_reply => sub {
1941	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
1942		2824
1943	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
1944	# get handled first	2826	# get handled first
1945	my $queue = delete $ns->{query_queue}	2827	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	2828	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		2829
1948	(shift @$queue)->[1]->($msg);	2830	(shift @$queue)->[1]->($msg);
		2831	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		2832
1950	push @{ $ns->{query_queue} }, @$queue;	2833	push @{ $ns->{query_queue} }, @$queue;
1951		2834
1952	if (@{ $ns->{query_queue} } == @$queue) {	2835	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	2836	if (@$queue) {
…		…
1955	} else {	2838	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	2840	}
1958	}	2841	}
1959	},	2842	},
		2843	on_exticmd => sub {
		2844	my ($ns, $buf) = @_;
		2845
		2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2847
		2848	if (ref $msg) {
		2849	my ($type, $reply, @payload) =
		2850	"ARRAY" eq ref $msg
		2851	? @$msg
		2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2853
		2854	my @reply;
		2855
		2856	if (my $cb = $EXTICMD{$type}) {
		2857	@reply = $cb->($ns, @payload);
		2858	}
		2859
		2860	$ns->ext_reply ($reply, @reply)
		2861	if $reply;
		2862
		2863	} else {
		2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2865	}
		2866
		2867	cf::override;
		2868	},
1960	);	2869	);
1961		2870
1962	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
1963		2872
1964	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
2005	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
2006	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
2007		2916
2008	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
2009		2918
2010	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2919	$safe->permit_only (Opcode::opset qw(
		2920	:base_core :base_mem :base_orig :base_math
		2921	grepstart grepwhile mapstart mapwhile
		2922	sort time
		2923	));
2011		2924
2012	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
2013		2926
2014	=pod	2927	=pod
2015		2928
2016	The following fucntions and emthods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
2017		2930
2018	cf::object contr pay_amount pay_player map	2931	cf::object
		2932	contr pay_amount pay_player map x y force_find force_add destroy
		2933	insert remove name archname title slaying race decrease_ob_nr
		2934
2019	cf::object::player player	2935	cf::object::player
2020	cf::player peaceful	2936	player
2021	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
2022		2943
2023	=cut	2944	=cut
2024		2945
2025	for (	2946	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2948	insert remove inv name archname title slaying race
		2949	decrease_ob_nr destroy)],
2027	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2029	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2030	) {	2953	) {
2031	no strict 'refs';	2954	no strict 'refs';
…		…
2102	=back	3025	=back
2103		3026
2104	=cut	3027	=cut
2105		3028
2106	#############################################################################	3029	#############################################################################
		3030	# the server's init and main functions
2107		3031
2108	=head2 EXTENSION DATABASE SUPPORT	3032	sub load_facedata($) {
		3033	my ($path) = @_;
2109		3034
2110	Crossfire maintains a very simple database for extension use. It can	3035	# HACK to clear player env face cache, we need some signal framework
2111	currently store anything that can be serialised using Storable, which	3036	# for this (global event?)
2112	excludes objects.	3037	%ext::player_env::MUSIC_FACE_CACHE = ();
2113		3038
2114	The parameter C<$family> should best start with the name of the extension	3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2115	using it, it should be unique.
2116		3040
2117	=over 4	3041	warn "loading facedata from $path\n";
2118		3042
2119	=item $hashref = cf::db_get $family	3043	my $facedata;
		3044	0 < aio_load $path, $facedata
		3045	or die "$path: $!";
2120		3046
2121	Return a hashref for use by the extension C<$family>, which can be	3047	$facedata = Coro::Storable::thaw $facedata;
2122	modified. After modifications, you have to call C<cf::db_dirty> or
2123	C<cf::db_sync>.
2124		3048
2125	=item $value = cf::db_get $family => $key	3049	$facedata->{version} == 2
		3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
2126		3051
2127	Returns a single value from the database	3052	# patch in the exptable
2128		3053	$facedata->{resource}{"res/exp_table"} = {
2129	=item cf::db_put $family => $hashref	3054	type => FT_RSRC,
2130		3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}
2157
2158	my $pid;
2159
2160	sub db_save() {
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});	3056	};
		3057	cf::cede_to_tick;
2180		3058
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}	3059	{
		3060	my $faces = $facedata->{faceinfo};
2185		3061
2186	sub db_get($;$) {	3062	while (my ($face, $info) = each %$faces) {
2187	@_ >= 2	3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2188	? $DB->{$_[0]}{$_[1]}	3064	cf::face::set_visibility $idx, $info->{visibility};
2189	: ($DB->{$_[0]} ||= { })	3065	cf::face::set_magicmap $idx, $info->{magicmap};
2190	}	3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2191		3068
2192	sub db_put($$;$) {	3069	cf::cede_to_tick;
2193	if (@_ >= 3) {
2194	$DB->{$_[0]}{$_[1]} = $_[2];
2195	} else {
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200
2201	cf::global->attach (
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	3070	}
2206	);
2207	}
2208		3071
2209	#############################################################################	3072	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	3073	next unless $info->{smooth};
		3074	my $idx = cf::face::find $face
		3075	or next;
		3076	if (my $smooth = cf::face::find $info->{smooth}) {
		3077	cf::face::set_smooth $idx, $smooth;
		3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3079	} else {
		3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3081	}
2211		3082
2212	sub cfg_load {	3083	cf::cede_to_tick;
		3084	}
		3085	}
		3086
		3087	{
		3088	my $anims = $facedata->{animinfo};
		3089
		3090	while (my ($anim, $info) = each %$anims) {
		3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	cf::anim::invalidate_all; # d'oh
		3096	}
		3097
		3098	{
		3099	# TODO: for gcfclient pleasure, we should give resources
		3100	# that gcfclient doesn't grok a >10000 face index.
		3101	my $res = $facedata->{resource};
		3102
		3103	my $soundconf = delete $res->{"res/sound.conf"};
		3104
		3105	while (my ($name, $info) = each %$res) {
		3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3107	my $data;
		3108
		3109	if ($info->{type} & 1) {
		3110	# prepend meta info
		3111
		3112	my $meta = $enc->encode ({
		3113	name => $name,
		3114	%{ $info->{meta} || {} },
		3115	});
		3116
		3117	$data = pack "(w/a*)*", $meta, $info->{data};
		3118	} else {
		3119	$data = $info->{data};
		3120	}
		3121
		3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3123	cf::face::set_type $idx, $info->{type};
		3124
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	if ($soundconf) {
		3129	$soundconf = $enc->decode (delete $soundconf->{data});
		3130
		3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3132	my $sound = $soundconf->{compat}[$_]
		3133	or next;
		3134
		3135	my $face = cf::face::find "sound/$sound->[1]";
		3136	cf::sound::set $sound->[0] => $face;
		3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3138	}
		3139
		3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3141	my $face = cf::face::find "sound/$v";
		3142	cf::sound::set $k => $face;
		3143	}
		3144	}
		3145	}
		3146
		3147	1
		3148	}
		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($ns, $want) = @_;
		3152
		3153	while (my ($k, $v) = each %$want) {
		3154	$ns->fx_want ($k, $v);
		3155	}
		3156	};
		3157
		3158	sub reload_regions {
		3159	# HACK to clear player env face cache, we need some signal framework
		3160	# for this (global event?)
		3161	%ext::player_env::MUSIC_FACE_CACHE = ();
		3162
		3163	load_resource_file "$MAPDIR/regions"
		3164	or die "unable to load regions file\n";
		3165
		3166	for (cf::region::list) {
		3167	$_->{match} = qr/$_->{match}/
		3168	if exists $_->{match};
		3169	}
		3170	}
		3171
		3172	sub reload_facedata {
		3173	load_facedata "$DATADIR/facedata"
		3174	or die "unable to load facedata\n";
		3175	}
		3176
		3177	sub reload_archetypes {
		3178	load_resource_file "$DATADIR/archetypes"
		3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
		3183	load_resource_file "$DATADIR/archetypes"
		3184	or die "unable to load archetypes\n";
		3185	}
		3186
		3187	sub reload_treasures {
		3188	load_resource_file "$DATADIR/treasures"
		3189	or die "unable to load treasurelists\n";
		3190	}
		3191
		3192	sub reload_resources {
		3193	warn "reloading resource files...\n";
		3194
		3195	reload_regions;
		3196	reload_facedata;
		3197	#reload_archetypes;#d#
		3198	reload_archetypes;
		3199	reload_treasures;
		3200
		3201	warn "finished reloading resource files\n";
		3202	}
		3203
		3204	sub init {
		3205	reload_resources;
		3206	}
		3207
		3208	sub reload_config {
2213	open my $fh, "<:utf8", cf::confdir . "/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2214	or return;	3210	or return;
2215		3211
2216	local $/;	3212	local $/;
2217	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
2218		3214
…		…
2233	sub main {	3229	sub main {
2234	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2235	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2237	(async {	3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2238	Event::one_event;	3235	Event::one_event;
2239	})->prio (Coro::PRIO_MAX);	3236	})->prio (Coro::PRIO_MAX);
2240	};	3237	};
2241		3238
2242	cfg_load;	3239	reload_config;
2243	db_load;	3240	db_init;
2244	load_extensions;	3241	load_extensions;
		3242
		3243	$TICK_WATCHER->start;
2245	Event::loop;	3244	Event::loop;
2246	}	3245	}
2247		3246
2248	#############################################################################	3247	#############################################################################
2249	# initialisation and cleanup	3248	# initialisation and cleanup
2250		3249
2251	# install some emergency cleanup handlers	3250	# install some emergency cleanup handlers
2252	BEGIN {	3251	BEGIN {
2253	for my $signal (qw(INT HUP TERM)) {	3252	for my $signal (qw(INT HUP TERM)) {
2254	Event->signal (	3253	Event->signal (
		3254	reentrant => 0,
2255	data => WF_AUTOCANCEL,	3255	data => WF_AUTOCANCEL,
2256	signal => $signal,	3256	signal => $signal,
		3257	prio => 0,
2257	cb => sub {	3258	cb => sub {
2258	cf::cleanup "SIG$signal";	3259	cf::cleanup "SIG$signal";
2259	},	3260	},
2260	);	3261	);
2261	}	3262	}
		3263	}
		3264
		3265	sub write_runtime {
		3266	my $runtime = "$LOCALDIR/runtime";
		3267
		3268	# first touch the runtime file to show we are still running:
		3269	# the fsync below can take a very very long time.
		3270
		3271	IO::AIO::aio_utime $runtime, undef, undef;
		3272
		3273	my $guard = cf::lock_acquire "write_runtime";
		3274
		3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3276	or return;
		3277
		3278	my $value = $cf::RUNTIME + 90 + 10;
		3279	# 10 is the runtime save interval, for a monotonic clock
		3280	# 60 allows for the watchdog to kill the server.
		3281
		3282	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3283	and return;
		3284
		3285	# always fsync - this file is important
		3286	aio_fsync $fh
		3287	and return;
		3288
		3289	# touch it again to show we are up-to-date
		3290	aio_utime $fh, undef, undef;
		3291
		3292	close $fh
		3293	or return;
		3294
		3295	aio_rename "$runtime~", $runtime
		3296	and return;
		3297
		3298	warn "runtime file written.\n";
		3299
		3300	1
2262	}	3301	}
2263		3302
2264	sub emergency_save() {	3303	sub emergency_save() {
2265	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2266		3305
…		…
2272	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2273	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2274	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2275	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2276	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2277	$pl->save;	3317	$pl->save;
2278	}	3318	}
2279	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2280		3320
2281	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2283	my $map = $cf::MAP{$path} or next;	3323	my $map = $cf::MAP{$path} or next;
2284	$map->valid or next;	3324	$map->valid or next;
2285	$map->save;	3325	$map->save;
2286	}	3326	}
2287	warn "end emergency map save\n";	3327	warn "end emergency map save\n";
		3328
		3329	warn "begin emergency database checkpoint\n";
		3330	BDB::db_env_txn_checkpoint $DB_ENV;
		3331	warn "end emergency database checkpoint\n";
2288	};	3332	};
2289		3333
2290	warn "leave emergency perl save\n";	3334	warn "leave emergency perl save\n";
2291	}	3335	}
2292		3336
		3337	sub post_cleanup {
		3338	my ($make_core) = @_;
		3339
		3340	warn Carp::longmess "post_cleanup backtrace"
		3341	if $make_core;
		3342	}
		3343
2293	sub reload() {	3344	sub do_reload_perl() {
2294	# can/must only be called in main	3345	# can/must only be called in main
2295	if ($Coro::current != $Coro::main) {	3346	if ($Coro::current != $Coro::main) {
2296	warn "can only reload from main coroutine\n";	3347	warn "can only reload from main coroutine";
2297	return;	3348	return;
2298	}	3349	}
2299		3350
2300	warn "reloading...";	3351	warn "reloading...";
2301		3352
2302	warn "freezing server";	3353	warn "entering sync_job";
2303	my $guard = freeze_mainloop;	3354
		3355	cf::sync_job {
		3356	cf::write_runtime; # external watchdog should not bark
2304	cf::emergency_save;	3357	cf::emergency_save;
		3358	cf::write_runtime; # external watchdog should not bark
2305		3359
2306	warn "sync database to disk";	3360	warn "syncing database to disk";
2307	cf::db_sync;	3361	BDB::db_env_txn_checkpoint $DB_ENV;
2308	IO::AIO::flush;
2309		3362
2310	eval {
2311	# if anything goes wrong in here, we should simply crash as we already saved	3363	# if anything goes wrong in here, we should simply crash as we already saved
2312		3364
2313	warn "cancel all watchers";	3365	warn "cancelling all WF_AUTOCANCEL watchers";
2314	for (Event::all_watchers) {	3366	for (Event::all_watchers) {
2315	$_->cancel if $_->data & WF_AUTOCANCEL;	3367	$_->cancel if $_->data & WF_AUTOCANCEL;
2316	}	3368	}
2317		3369
		3370	warn "flushing outstanding aio requests";
		3371	for (;;) {
		3372	BDB::flush;
		3373	IO::AIO::flush;
		3374	Coro::cede;
		3375	last unless IO::AIO::nreqs || BDB::nreqs;
		3376	warn "iterate...";
		3377	}
		3378
		3379	++$RELOAD;
		3380
2318	warn "cancel all extension coros";	3381	warn "cancelling all extension coros";
2319	$_->cancel for values %EXT_CORO;	3382	$_->cancel for values %EXT_CORO;
2320	%EXT_CORO = ();	3383	%EXT_CORO = ();
2321		3384
2322	warn "remove commands";	3385	warn "removing commands";
2323	%COMMAND = ();	3386	%COMMAND = ();
2324		3387
2325	warn "remove ext commands";	3388	warn "removing ext/exti commands";
2326	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2327		3391
2328	warn "unload/nuke all extensions";	3392	warn "unloading/nuking all extensions";
2329	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2330	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2331		3395
2332	if (my $cb = $pkg->can ("unload")) {	3396	if (my $cb = $pkg->can ("unload")) {
2333	eval {	3397	eval {
…		…
2338		3402
2339	warn "... nuking $pkg";	3403	warn "... nuking $pkg";
2340	Symbol::delete_package $pkg;	3404	Symbol::delete_package $pkg;
2341	}	3405	}
2342		3406
2343	warn "unload all perl modules loaded from $LIBDIR";	3407	warn "unloading all perl modules loaded from $LIBDIR";
2344	while (my ($k, $v) = each %INC) {	3408	while (my ($k, $v) = each %INC) {
2345	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2346		3410
2347	warn "removing <$k>";	3411	warn "... unloading $k";
2348	delete $INC{$k};	3412	delete $INC{$k};
2349		3413
2350	$k =~ s/\.pm$//;	3414	$k =~ s/\.pm$//;
2351	$k =~ s/\//::/g;	3415	$k =~ s/\//::/g;
2352		3416
…		…
2355	}	3419	}
2356		3420
2357	Symbol::delete_package $k;	3421	Symbol::delete_package $k;
2358	}	3422	}
2359		3423
2360	warn "get rid of safe::, as good as possible";	3424	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3425	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3427
2364	warn "unload cf.pm \"a bit\"";	3428	warn "unloading cf.pm \"a bit\"";
2365	delete $INC{"cf.pm"};	3429	delete $INC{"cf.pm"};
		3430	delete $INC{"cf/pod.pm"};
2366		3431
2367	# don't, removes xs symbols, too,	3432	# don't, removes xs symbols, too,
2368	# and global variables created in xs	3433	# and global variables created in xs
2369	#Symbol::delete_package __PACKAGE__;	3434	#Symbol::delete_package __PACKAGE__;
2370		3435
		3436	warn "unload completed, starting to reload now";
		3437
2371	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2372	require cf;	3439	require cf;
2373	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2374		3441
2375	warn "load config and database again";	3442	warn "loading config and database again";
2376	cf::cfg_load;	3443	cf::reload_config;
2377	cf::db_load;
2378		3444
2379	warn "load extensions";	3445	warn "loading extensions";
2380	cf::load_extensions;	3446	cf::load_extensions;
2381		3447
2382	warn "reattach attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
2383	_global_reattach;	3449	_global_reattach; # objects, sockets
2384	warn "reattach attachments to maps";	3450	warn "reattaching attachments to maps";
2385	reattach $_ for values %MAP;	3451	reattach $_ for values %MAP;
2386	};	3452	warn "reattaching attachments to players";
		3453	reattach $_ for values %PLAYER;
2387		3454
2388	if ($@) {	3455	warn "leaving sync_job";
		3456
		3457	1
		3458	} or do {
2389	warn $@;	3459	warn $@;
2390	warn "error while reloading, exiting.";	3460	warn "error while reloading, exiting.";
2391	exit 1;	3461	exit 1;
2392	}	3462	};
2393		3463
2394	warn "reloaded";	3464	warn "reloaded";
2395	};	3465	};
2396		3466
2397	our $RELOAD_WATCHER; # used only during reload	3467	our $RELOAD_WATCHER; # used only during reload
2398		3468
		3469	sub reload_perl() {
		3470	# doing reload synchronously and two reloads happen back-to-back,
		3471	# coro crashes during coro_state_free->destroy here.
		3472
		3473	$RELOAD_WATCHER ||= Event->timer (
		3474	reentrant => 0,
		3475	after => 0,
		3476	data => WF_AUTOCANCEL,
		3477	cb => sub {
		3478	do_reload_perl;
		3479	undef $RELOAD_WATCHER;
		3480	},
		3481	);
		3482	}
		3483
2399	register_command "reload" => sub {	3484	register_command "reload" => sub {
2400	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2401		3486
2402	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2403	$who->message ("reloading server.");	3488	$who->message ("reloading server.");
2404		3489	async {
2405	# doing reload synchronously and two reloads happen back-to-back,	3490	$Coro::current->{desc} = "perl_reload";
2406	# coro crashes during coro_state_free->destroy here.
2407
2408	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2409	reload;	3491	reload_perl;
2410	undef $RELOAD_WATCHER;
2411	});	3492	};
2412	}	3493	}
2413	};	3494	};
2414		3495
2415	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
		3497
		3498	my $bug_warning = 0;
		3499
		3500	our @WAIT_FOR_TICK;
		3501	our @WAIT_FOR_TICK_BEGIN;
		3502
		3503	sub wait_for_tick {
		3504	return unless $TICK_WATCHER->is_active;
		3505	return if $Coro::current == $Coro::main;
		3506
		3507	my $signal = new Coro::Signal;
		3508	push @WAIT_FOR_TICK, $signal;
		3509	$signal->wait;
		3510	}
		3511
		3512	sub wait_for_tick_begin {
		3513	return unless $TICK_WATCHER->is_active;
		3514	return if $Coro::current == $Coro::main;
		3515
		3516	my $signal = new Coro::Signal;
		3517	push @WAIT_FOR_TICK_BEGIN, $signal;
		3518	$signal->wait;
		3519	}
2416		3520
2417	$TICK_WATCHER = Event->timer (	3521	$TICK_WATCHER = Event->timer (
2418	reentrant => 0,	3522	reentrant => 0,
		3523	parked => 1,
2419	prio => 0,	3524	prio => 0,
2420	at => $NEXT_TICK || $TICK,	3525	at => $NEXT_TICK || $TICK,
2421	data => WF_AUTOCANCEL,	3526	data => WF_AUTOCANCEL,
2422	cb => sub {	3527	cb => sub {
		3528	if ($Coro::current != $Coro::main) {
		3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3530	unless ++$bug_warning > 10;
		3531	return;
		3532	}
		3533
2423	$NOW = Event::time;	3534	$NOW = $tick_start = Event::time;
2424		3535
2425	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
		3537
2426	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2427	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2428		3540
2429	$WAIT_FOR_TICK->broadcast;	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2430	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3543	Coro::async_pool {
		3544	$Coro::current->{desc} = "runtime saver";
		3545	write_runtime
		3546	or warn "ERROR: unable to write runtime file: $!";
		3547	};
		3548	}
		3549
		3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3551	$sig->send;
		3552	}
		3553	while (my $sig = shift @WAIT_FOR_TICK) {
		3554	$sig->send;
		3555	}
		3556
		3557	$NOW = Event::time;
2431		3558
2432	# if we are delayed by four ticks or more, skip them all	3559	# if we are delayed by four ticks or more, skip them all
2433	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2434		3561
2435	$TICK_WATCHER->at ($NEXT_TICK);	3562	$TICK_WATCHER->at ($NEXT_TICK);
2436	$TICK_WATCHER->start;	3563	$TICK_WATCHER->start;
		3564
		3565	$LOAD = ($NOW - $tick_start) / $TICK;
		3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3567
		3568	_post_tick;
2437	},	3569	},
2438	);	3570	);
2439		3571
		3572	{
		3573	BDB::min_parallel 8;
		3574	BDB::max_poll_time $TICK * 0.1;
		3575	$BDB_POLL_WATCHER = Event->io (
		3576	reentrant => 0,
		3577	fd => BDB::poll_fileno,
		3578	poll => 'r',
		3579	prio => 0,
		3580	data => WF_AUTOCANCEL,
		3581	cb => \&BDB::poll_cb,
		3582	);
		3583
		3584	BDB::set_sync_prepare {
		3585	my $status;
		3586	my $current = $Coro::current;
		3587	(
		3588	sub {
		3589	$status = $!;
		3590	$current->ready; undef $current;
		3591	},
		3592	sub {
		3593	Coro::schedule while defined $current;
		3594	$! = $status;
		3595	},
		3596	)
		3597	};
		3598
		3599	unless ($DB_ENV) {
		3600	$DB_ENV = BDB::db_env_create;
		3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3602	| BDB::LOG_AUTOREMOVE, 1);
		3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3605
		3606	cf::sync_job {
		3607	eval {
		3608	BDB::db_env_open
		3609	$DB_ENV,
		3610	$BDBDIR,
		3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3613	0666;
		3614
		3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3616	};
		3617
		3618	cf::cleanup "db_env_open(db): $@" if $@;
		3619	};
		3620	}
		3621
		3622	$BDB_DEADLOCK_WATCHER = Event->timer (
		3623	after => 3,
		3624	interval => 1,
		3625	hard => 1,
		3626	prio => 0,
		3627	data => WF_AUTOCANCEL,
		3628	cb => sub {
		3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3630	},
		3631	);
		3632	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3633	after => 11,
		3634	interval => 60,
		3635	hard => 1,
		3636	prio => 0,
		3637	data => WF_AUTOCANCEL,
		3638	cb => sub {
		3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3640	},
		3641	);
		3642	$BDB_TRICKLE_WATCHER = Event->timer (
		3643	after => 5,
		3644	interval => 10,
		3645	hard => 1,
		3646	prio => 0,
		3647	data => WF_AUTOCANCEL,
		3648	cb => sub {
		3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3650	},
		3651	);
		3652	}
		3653
		3654	{
		3655	IO::AIO::min_parallel 8;
		3656
		3657	undef $Coro::AIO::WATCHER;
2440	IO::AIO::max_poll_time $TICK * 0.2;	3658	IO::AIO::max_poll_time $TICK * 0.1;
2441
2442	$AIO_POLL_WATCHER = Event->io (	3659	$AIO_POLL_WATCHER = Event->io (
2443	fd => IO::AIO::poll_fileno,	3660	reentrant => 0,
2444	poll => 'r',
2445	prio => 5,
2446	data => WF_AUTOCANCEL,
2447	cb => \&IO::AIO::poll_cb,
2448	);
2449
2450	$WRITE_RUNTIME_WATCHER = Event->timer (
2451	data => WF_AUTOCANCEL,	3661	data => WF_AUTOCANCEL,
2452	after => 0,	3662	fd => IO::AIO::poll_fileno,
2453	interval => 10,	3663	poll => 'r',
2454	cb => sub {	3664	prio => 0,
2455	(Coro::unblock_sub {	3665	cb => \&IO::AIO::poll_cb,
2456	write_runtime	3666	);
2457	or warn "ERROR: unable to write runtime file: $!";	3667	}
		3668
		3669	my $_log_backtrace;
		3670
		3671	sub _log_backtrace {
		3672	my ($msg, @addr) = @_;
		3673
		3674	$msg =~ s/\n//;
		3675
		3676	# limit the # of concurrent backtraces
		3677	if ($_log_backtrace < 2) {
		3678	++$_log_backtrace;
		3679	async {
		3680	$Coro::current->{desc} = "abt $msg";
		3681
		3682	my @bt = fork_call {
		3683	@addr = map { sprintf "%x", $_ } @addr;
		3684	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3685	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3686	or die "addr2line: $!";
		3687
		3688	my @funcs;
		3689	my @res = <$fh>;
		3690	chomp for @res;
		3691	while (@res) {
		3692	my ($func, $line) = splice @res, 0, 2, ();
		3693	push @funcs, "[$func] $line";
		3694	}
		3695
		3696	@funcs
		3697	};
		3698
		3699	LOG llevInfo, "[ABT] $msg\n";
		3700	LOG llevInfo, "[ABT] $_\n" for @bt;
		3701	--$_log_backtrace;
2458	})->();	3702	};
		3703	} else {
		3704	LOG llevInfo, "[ABT] $msg\n";
		3705	LOG llevInfo, "[ABT] [suppressed]\n";
2459	},	3706	}
2460	);	3707	}
		3708
		3709	# load additional modules
		3710	use cf::pod;
2461		3711
2462	END { cf::emergency_save }	3712	END { cf::emergency_save }
2463		3713
2464	1	3714	1
2465		3715

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