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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 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 EV 1.86;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.32 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::EV;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
21		26
		27	use JSON::XS 2.01 ();
22	use BDB ();	28	use BDB ();
23	use Data::Dumper;	29	use Data::Dumper;
24	use Digest::MD5;	30	use Digest::MD5;
25	use Fcntl;	31	use Fcntl;
26	use YAML::Syck ();	32	use YAML::Syck ();
27	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
28	use Time::HiRes;	34	use Time::HiRes;
29	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
30		37
31	# configure various modules to our taste	38	# configure various modules to our taste
32	#	39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		43
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
40		46
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		48
…		…
45	our %COMMAND = ();	51	our %COMMAND = ();
46	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
47		53
48	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
52		59
53	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
54	our @EVENT;	61	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		62
57	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		82
65	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	87	our $DB_ENV;
67		88
68	our %CFG;	89	our %CFG;
69		90
70	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
72		94
73	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		98
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		105
85	binmode STDOUT;	106	binmode STDOUT;
86	binmode STDERR;	107	binmode STDERR;
87		108
88	# read virtual server time, if available	109	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
93	}	114	}
94		115
95	mkdir cf::localdir;	116	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		118
102	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
103		120
104	sub cf::map::normalise;	121	sub cf::map::normalise;
105		122
…		…
116	=item $cf::RUNTIME	133	=item $cf::RUNTIME
117		134
118	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
119	every server tick.	136	every server tick.
120		137
121	=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
122		141
123	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		146
126	=item $cf::NOW	147	=item $cf::NOW
127		148
128	The time of the last (current) server tick.	149	The time of the last (current) server tick.
129		150
130	=item $cf::TICK	151	=item $cf::TICK
131		152
132	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
133		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.
		164
134	=item %cf::CFG	165	=item %cf::CFG
135		166
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	168	from wherever your confdir points to.
138		169
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		171
141	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
142	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
143	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.
144	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.
145		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
151	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153	utf8::encode $msg;
154		189
155	$msg .= "\n"	190	$msg .= "\n"
156	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		194
158	LOG llevError, $msg;	195	LOG llevError, $msg;
159	};	196	};
160	}	197	}
161		198
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		206
169	# 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
170	# within the Safe compartment.	208	# within the Safe compartment.
171	for my $pkg (qw(	209	for my $pkg (qw(
172	cf::global cf::attachable	210	cf::global cf::attachable
…		…
177	)) {	215	)) {
178	no strict 'refs';	216	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	218	}
181		219
182	$Event::DIED = sub {	220	$EV::DIED = sub {
183	warn "error in event callback: @_";	221	warn "error in event callback: @_";
184	};	222	};
		223
		224	#############################################################################
185		225
186	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
187		227
188	=over 4	228	=over 4
189		229
…		…
208	$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;
209	$d	249	$d
210	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
211	}	251	}
212		252
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
216		254
217	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
218		256
219	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
220		258
221	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub encode_json($) { $json_coder->encode ($_[0]) }
		266	sub decode_json($) { $json_coder->decode ($_[0]) }
222		267
223	=item cf::lock_wait $string	268	=item cf::lock_wait $string
224		269
225	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
226		271
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
232	returned.	277	returned.
233		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
234	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
235	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
236		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
237	=cut	289	=cut
238		290
239	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
240		293
241	sub lock_wait($) {	294	sub lock_wait($) {
242	my ($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#
243		301
244	# wait for lock, if any	302	# wait for lock, if any
245	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	305	Coro::schedule;
…		…
253		311
254	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
255	lock_wait $key;	313	lock_wait $key;
256		314
257	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
258		317
259	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
262	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
263	}	329	}
264		330
265	sub freeze_mainloop {	331	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
267		333
…		…
270	};	336	};
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
273	}	339	}
274		340
		341	=item cf::periodic $interval, $cb
		342
		343	Like EV::periodic, but randomly selects a starting point so that the actions
		344	get spread over timer.
		345
		346	=cut
		347
		348	sub periodic($$) {
		349	my ($interval, $cb) = @_;
		350
		351	my $start = rand List::Util::min 180, $interval;
		352
		353	EV::periodic $start, $interval, 0, $cb
		354	}
		355
		356	=item cf::get_slot $time[, $priority[, $name]]
		357
		358	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		359	This call blocks and returns only when you have at least C<$time> seconds
		360	of cpu time till the next tick. The slot is only valid till the next cede.
		361
		362	The optional C<$name> can be used to identify the job to run. It might be
		363	used for statistical purposes and should identify the same time-class.
		364
		365	Useful for short background jobs.
		366
		367	=cut
		368
		369	our @SLOT_QUEUE;
		370	our $SLOT_QUEUE;
		371
		372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		373	$SLOT_QUEUE = Coro::async {
		374	$Coro::current->desc ("timeslot manager");
		375
		376	my $signal = new Coro::Signal;
		377
		378	while () {
		379	next_job:
		380	my $avail = cf::till_tick;
		381	if ($avail > 0.01) {
		382	for (0 .. $#SLOT_QUEUE) {
		383	if ($SLOT_QUEUE[$_][0] < $avail) {
		384	my $job = splice @SLOT_QUEUE, $_, 1, ();
		385	$job->[2]->send;
		386	Coro::cede;
		387	goto next_job;
		388	}
		389	}
		390	}
		391
		392	if (@SLOT_QUEUE) {
		393	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		394	push @cf::WAIT_FOR_TICK, $signal;
		395	$signal->wait;
		396	} else {
		397	Coro::schedule;
		398	}
		399	}
		400	};
		401
		402	sub get_slot($;$$) {
		403	my ($time, $pri, $name) = @_;
		404
		405	$time = $TICK * .6 if $time > $TICK * .6;
		406	my $sig = new Coro::Signal;
		407
		408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		410	$SLOT_QUEUE->ready;
		411	$sig->wait;
		412	}
		413
275	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
276		415
277	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
282		421
283	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
284		423
285	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
286		425
287	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
290		430
291	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
294	fast or be very important.	434	fast or be very important.
…		…
297		437
298	sub sync_job(&) {	438	sub sync_job(&) {
299	my ($job) = @_;	439	my ($job) = @_;
300		440
301	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
302	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
304		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
305	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	450	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
308		452
309	my $busy = 1;	453	my $busy = 1;
310	my @res;	454	my @res;
311		455
312	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	458	@res = eval { $job->() };
314	warn $@ if $@;	459	warn $@ if $@;
315	undef $busy;	460	undef $busy;
316	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
317		462
318	while ($busy) {	463	while ($busy) {
319	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
320	}	468	}
		469	}
		470
		471	$time = EV::time - $time;
		472
		473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		475
		476	$tick_start += $time; # do not account sync jobs to server load
321		477
322	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
323	} else {	479	} else {
324	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
325		481
…		…
345	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
346		502
347	$coro	503	$coro
348	}	504	}
349		505
350	sub write_runtime {	506	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		507
353	my $runtime = cf::localdir . "/runtime";	508	Executes the given code block with the given arguments in a seperate
		509	process, returning the results. Everything must be serialisable with
		510	Coro::Storable. May, of course, block. Note that the executed sub may
		511	never block itself or use any form of event handling.
354		512
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	513	=cut
356	or return;
357		514
358	my $value = $cf::RUNTIME + 90 + 10;	515	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	516	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		517
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	518	# we seemingly have to make a local copy of the whole thing,
363	and return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
364		521
365	# always fsync - this file is important	522	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	523	reset_signals;
367	and return;	524	&$cb
		525	}, @args;
368		526
369	close $fh	527	wantarray ? @res : $res[-1]
370	or return;	528	}
371		529
372	aio_rename "$runtime~", $runtime	530	=item $value = cf::db_get $family => $key
373	and return;
374		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=item $db = cf::db_table "name"
		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		547	my ($name) = @_;
		548	my $db = BDB::db_create $DB_ENV;
		549
		550	eval {
		551	$db->set_flags (BDB::CHKSUM);
		552
		553	utf8::encode $name;
		554	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		555	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		556	cf::cleanup "db_open(db): $!" if $!;
		557	};
		558	cf::cleanup "db_open(db): $@" if $@;
		559
		560	$db
		561	}
		562
		563	our $DB;
		564
		565	sub db_init {
		566	cf::sync_job {
		567	$DB ||= db_table "db";
		568	};
		569	}
		570
		571	sub db_get($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
375	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		583	BDB::dbreq_pri 4;
		584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		585	}
		586
		587	=item cf::cache $id => [$paths...], $processversion => $process
		588
		589	Generic caching function that returns the value of the resource $id,
		590	caching and regenerating as required.
		591
		592	This function can block.
		593
		594	=cut
		595
		596	sub cache {
		597	my ($id, $src, $processversion, $process) = @_;
		598
		599	my $meta =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	aio_stat $_
		604	and Carp::croak "$_: $!";
		605
		606	($_, (stat _)[7,9])
		607	} @$src;
		608
		609	my $dbmeta = db_get cache => "$id/meta";
		610	if ($dbmeta ne $meta) {
		611	# changed, we may need to process
		612
		613	my @data;
		614	my $md5;
		615
		616	for (0 .. $#$src) {
		617	0 <= aio_load $src->[$_], $data[$_]
		618	or Carp::croak "$src->[$_]: $!";
		619	}
		620
		621	# if processing is expensive, check
		622	# checksum first
		623	if (1) {
		624	$md5 =
		625	join "\x00",
		626	$processversion,
		627	map {
		628	cf::cede_to_tick;
		629	($src->[$_], Digest::MD5::md5_hex $data[$_])
		630	} 0.. $#$src;
		631
		632
		633	my $dbmd5 = db_get cache => "$id/md5";
		634	if ($dbmd5 eq $md5) {
		635	db_put cache => "$id/meta", $meta;
		636
		637	return db_get cache => "$id/data";
		638	}
		639	}
		640
		641	my $t1 = Time::HiRes::time;
		642	my $data = $process->(\@data);
		643	my $t2 = Time::HiRes::time;
		644
		645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		646
		647	db_put cache => "$id/data", $data;
		648	db_put cache => "$id/md5" , $md5;
		649	db_put cache => "$id/meta", $meta;
		650
		651	return $data;
		652	}
		653
		654	db_get cache => "$id/data"
		655	}
		656
		657	=item cf::datalog type => key => value, ...
		658
		659	Log a datalog packet of the given type with the given key-value pairs.
		660
		661	=cut
		662
		663	sub datalog($@) {
		664	my ($type, %kv) = @_;
		665	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	666	}
377		667
378	=back	668	=back
379		669
380	=cut	670	=cut
…		…
387	attach callbacks/event handlers (a collection of which is called an "attachment")	677	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
389		679
390	In the following description, CLASS can be any of C<global>, C<object>	680	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	681	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	682	Deliantra).
393		683
394	=over 4	684	=over 4
395		685
396	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
397		687
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	850	$registry = $CB_TYPE[$object_type] ||= [];
561		851
562	} elsif ($type eq "subtype") {	852	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	853	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	854	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	855	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		856
567	} elsif ($type eq "package") {	857	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	858	my $pkg = shift @arg;
569		859
570	while (my ($name, $id) = each %cb_id) {	860	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
600	}	890	}
601		891
602	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
603	} else {	893	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	895	}
606		896
607	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
608	}	898	}
609		899
…		…
611	if (ref $_[0]) {	901	if (ref $_[0]) {
612	_object_attach @_;	902	_object_attach @_;
613	} else {	903	} else {
614	_attach shift->_attach_registry, @_;	904	_attach shift->_attach_registry, @_;
615	}	905	}
		906	_recalc_want;
616	};	907	};
617		908
618	# all those should be optimised	909	# all those should be optimised
619	sub cf::attachable::detach {	910	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	911	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	914	delete $obj->{_attachment}{$name};
624	reattach ($obj);	915	reattach ($obj);
625	} else {	916	} else {
626	Carp::croak "cannot, currently, detach class attachments";	917	Carp::croak "cannot, currently, detach class attachments";
627	}	918	}
		919	_recalc_want;
628	};	920	};
629		921
630	sub cf::attachable::attached {	922	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
632		924
…		…
647	";	939	";
648	die if $@;	940	die if $@;
649	}	941	}
650		942
651	our $override;	943	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	944	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		945
654	sub override {	946	sub override {
655	$override = 1;	947	$override = 1;
656	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
657	}	949	}
658		950
659	sub do_invoke {	951	sub do_invoke {
660	my $event = shift;	952	my $event = shift;
661	my $callbacks = shift;	953	my $callbacks = shift;
662		954
663	@invoke_results = ();	955	@INVOKE_RESULTS = ();
664		956
665	local $override;	957	local $override;
666		958
667	for (@$callbacks) {	959	for (@$callbacks) {
668	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
677	}	969	}
678		970
679	0	971	0
680	}	972	}
681		973
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		975
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		977
686	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
687		979
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	980	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	981	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		983
692	=back	984	=back
693		985
694	=cut	986	=cut
695		987
696	#############################################################################	988	#############################################################################
697	# object support	989	# object support
		990
		991	sub _object_equal($$);
		992	sub _object_equal($$) {
		993	my ($a, $b) = @_;
		994
		995	return 0 unless (ref $a) eq (ref $b);
		996
		997	if ("HASH" eq ref $a) {
		998	my @ka = keys %$a;
		999	my @kb = keys %$b;
		1000
		1001	return 0 if @ka != @kb;
		1002
		1003	for (0 .. $#ka) {
		1004	return 0 unless $ka[$_] eq $kb[$_];
		1005	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1006	}
		1007
		1008	} elsif ("ARRAY" eq ref $a) {
		1009
		1010	return 0 if @$a != @$b;
		1011
		1012	for (0 .. $#$a) {
		1013	return 0 unless _object_equal $a->[$_], $b->[$_];
		1014	}
		1015
		1016	} elsif ($a ne $b) {
		1017	return 0;
		1018	}
		1019
		1020	1
		1021	}
		1022
		1023	our $SLOW_MERGES;#d#
		1024	sub _can_merge {
		1025	my ($ob1, $ob2) = @_;
		1026
		1027	++$SLOW_MERGES;#d#
		1028
		1029	# we do the slow way here
		1030	return _object_equal $ob1, $ob2
		1031	}
698		1032
699	sub reattach {	1033	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1035	my ($obj) = @_;
702		1036
…		…
723	cf::attachable->attach (	1057	cf::attachable->attach (
724	prio => -1000000,	1058	prio => -1000000,
725	on_instantiate => sub {	1059	on_instantiate => sub {
726	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
727		1061
728	$data = from_json $data;	1062	$data = decode_json $data;
729		1063
730	for (@$data) {	1064	for (@$data) {
731	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
732		1066
733	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1083	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
751		1085
752	sync_job {	1086	sync_job {
753	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
756		1091
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1096	close $fh;
762		1097
763	if (@$objs) {	1098	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1104	close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
771	}	1106	}
…		…
779	}	1114	}
780	} else {	1115	} else {
781	aio_unlink $filename;	1116	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
783	}	1118	}
784	}	1119	};
785	}	1120	}
786		1121
787	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
789		1124
…		…
801	or return;	1136	or return;
802		1137
803	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
805	or return;	1140	or return;
		1141
806	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
807	}	1144	}
808		1145
		1146	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
811	return ($data, $av);	1150	($data, $av)
812	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
813		1158
814	#############################################################################	1159	#############################################################################
815	# command handling &c	1160	# command handling &c
816		1161
817	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1176	}
832		1177
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1179
835	Register a callbackf ro execution when the client sends an extcmd packet.	1180	Register a callback for execution when the client sends an (synchronous)
		1181	extcmd packet. Ext commands will be processed in the order they are
		1182	received by the server, like other user commands. The first argument is
		1183	the logged-in player. Ext commands can only be processed after a player
		1184	has logged in successfully.
836		1185
837	If the callback returns something, it is sent back as if reply was being	1186	If the callback returns something, it is sent back as if reply was being
838	called.	1187	called.
839		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
840	=cut	1200	=cut
841		1201
842	sub register_extcmd {	1202	sub register_extcmd {
843	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
844		1204
845	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
846	}	1212	}
847		1213
848	cf::player->attach (	1214	cf::player->attach (
849	on_command => sub {	1215	on_command => sub {
850	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1225	cf::override;
860	},	1226	},
861	on_extcmd => sub {	1227	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
863		1229
864	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1231
866	if (ref $msg) {	1232	if (ref $msg) {
		1233	my ($type, $reply, @payload) =
		1234	"ARRAY" eq ref $msg
		1235	? @$msg
		1236	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1237
		1238	my @reply;
		1239
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
872	} else {	1247	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1249	}
875		1250
876	cf::override;	1251	cf::override;
877	},	1252	},
878	);	1253	);
879		1254
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
915	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1260	next unless -r $path;
917	eval {	1261
918	load_extension $ext;	1262	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1263	my $base = $1;
		1264	my $pkg = $1;
		1265	$pkg =~ s/[^[:word:]]/_/g;
		1266	$pkg = "ext::$pkg";
		1267
		1268	open my $fh, "<:utf8", $path
		1269	or die "$path: $!";
		1270
		1271	my $source = do { local $/; <$fh> };
		1272
		1273	my %ext = (
		1274	path => $path,
		1275	base => $base,
		1276	pkg => $pkg,
		1277	);
		1278
		1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1281
		1282	$ext{source} =
		1283	"package $pkg; use strict; use utf8;\n"
		1284	. "#line 1 \"$path\"\n{\n"
		1285	. $source
		1286	. "\n};\n1";
		1287
		1288	$todo{$base} = \%ext;
		1289	}
		1290
		1291	my %done;
		1292	while (%todo) {
		1293	my $progress;
		1294
		1295	while (my ($k, $v) = each %todo) {
		1296	for (split /,\s*/, $v->{meta}{depends}) {
		1297	goto skip
		1298	unless exists $done{$_};
		1299	}
		1300
		1301	warn "... loading '$k' into '$v->{pkg}'\n";
		1302
		1303	unless (eval $v->{source}) {
		1304	my $msg = $@ ? "$v->{path}: $@\n"
		1305	: "$v->{base}: extension inactive.\n";
		1306
		1307	if (exists $v->{meta}{mandatory}) {
		1308	warn $msg;
		1309	warn "mandatory extension failed to load, exiting.\n";
		1310	exit 1;
		1311	}
		1312
		1313	warn $msg;
		1314	}
		1315
		1316	$done{$k} = delete $todo{$k};
		1317	push @EXTS, $v->{pkg};
		1318	$progress = 1;
919	1	1319	}
920	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
921	}	1325	};
922	}	1326	}
923		1327
924	#############################################################################	1328	#############################################################################
925		1329
		1330	=back
		1331
926	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
927		1333
928	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
929		1335
930	=cut	1336	=cut
…		…
935		1341
936	=head3 cf::player	1342	=head3 cf::player
937		1343
938	=over 4	1344	=over 4
939		1345
		1346	=item cf::player::num_playing
		1347
		1348	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1349
		1350	=cut
		1351
		1352	sub num_playing {
		1353	scalar grep
		1354	$_->ob->map
		1355	&& !$_->hidden
		1356	&& !$_->ob->flag (cf::FLAG_WIZ),
		1357	cf::player::list
		1358	}
		1359
940	=item cf::player::find $login	1360	=item cf::player::find $login
941		1361
942	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
943		1363
944	=cut	1364	=cut
945		1365
946	sub playerdir($) {	1366	sub playerdir($) {
947	cf::localdir	1367	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1368	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1369	}
953		1370
954	sub path($) {	1371	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1372	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1373
957	(playerdir $login) . "/$login.pl"	1374	(playerdir $login) . "/playerdata"
958	}	1375	}
959		1376
960	sub find_active($) {	1377	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1378	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1379	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1392	my $login = $_[0];
976		1393
977	my $guard = cf::lock_acquire "user_find:$login";	1394	my $guard = cf::lock_acquire "user_find:$login";
978		1395
979	$cf::PLAYER{$_[0]} || do {	1396	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1397	# rename old playerfiles to new ones
		1398	#TODO: remove when no longer required
		1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1402	aio_unlink +(playerdir $login) . "/$login.pl";
		1403
		1404	my $f = new_from_file cf::object::thawer path $login
981	or return;	1405	or return;
		1406
		1407	my $pl = cf::player::load_pl $f
		1408	or return;
		1409	local $cf::PLAYER_LOADING{$login} = $pl;
		1410	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
983	}	1412	}
984	}	1413	}
985	}	1414	}
986		1415
…		…
996		1425
997	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
999		1428
1000	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1001	Coro::cede;	1430	cf::cede_to_tick;
1002	}	1431	}
1003		1432
1004	sub new($) {	1433	sub new($) {
1005	my ($login) = @_;	1434	my ($login) = @_;
1006		1435
…		…
1010	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1011		1440
1012	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1013		1442
1014	$self	1443	$self
		1444	}
		1445
		1446	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1447
		1448	=cut
		1449
		1450	sub send_msg {
		1451	my $ns = shift->ns
		1452	or return;
		1453	$ns->send_msg (@_);
1015	}	1454	}
1016		1455
1017	=item $pl->quit_character	1456	=item $pl->quit_character
1018		1457
1019	Nukes the player without looking back. If logged in, the connection will	1458	Nukes the player without looking back. If logged in, the connection will
…		…
1068	while and may block, so not sync_job-capable, ever.	1507	while and may block, so not sync_job-capable, ever.
1069		1508
1070	=cut	1509	=cut
1071		1510
1072	sub list_logins {	1511	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1512	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1513	or return [];
1075		1514
1076	my @logins;	1515	my @logins;
1077		1516
1078	for my $login (@$dirs) {	1517	for my $login (@$dirs) {
		1518	my $path = path $login;
		1519
		1520	# a .pst is a dead give-away for a valid player
		1521	unless (-e "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1082		1526
1083	utf8::decode $login;	1527	utf8::decode $login;
1084	push @logins, $login;	1528	push @logins, $login;
1085	}	1529	}
1086		1530
…		…
1113	}	1557	}
1114		1558
1115	\@paths	1559	\@paths
1116	}	1560	}
1117		1561
		1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1563
		1564	Expand crossfire pod fragments into protocol xml.
		1565
		1566	=cut
		1567
		1568	use re 'eval';
		1569
		1570	my $group;
		1571	my $interior; $interior = qr{
		1572	# match a pod interior sequence sans C<< >>
		1573	(?:
		1574	\ (.*?)\ (?{ $group = $^N })
		1575	| < (??{$interior}) >
		1576	)
		1577	}x;
		1578
		1579	sub expand_cfpod {
		1580	my ($self, $pod) = @_;
		1581
		1582	my $xml;
		1583
		1584	while () {
		1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1586	$group = $1;
		1587
		1588	$group =~ s/&/&amp;/g;
		1589	$group =~ s/</&lt;/g;
		1590
		1591	$xml .= $group;
		1592	} elsif ($pod =~ m%\G
		1593	([BCGHITU])
		1594	<
		1595	(?:
		1596	([^<>]*) (?{ $group = $^N })
		1597	| < $interior >
		1598	)
		1599	>
		1600	%gcsx
		1601	) {
		1602	my ($code, $data) = ($1, $group);
		1603
		1604	if ($code eq "B") {
		1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1606	} elsif ($code eq "I") {
		1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1608	} elsif ($code eq "U") {
		1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1610	} elsif ($code eq "C") {
		1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1612	} elsif ($code eq "T") {
		1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1614	} elsif ($code eq "G") {
		1615	my ($male, $female) = split /\|/, $data;
		1616	$data = $self->gender ? $female : $male;
		1617	$xml .= expand_cfpod ($self, $data);
		1618	} elsif ($code eq "H") {
		1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1621	"")
		1622	[$self->{hintmode}];
		1623	} else {
		1624	$xml .= "error processing '$code($data)' directive";
		1625	}
		1626	} else {
		1627	if ($pod =~ /\G(.+)/) {
		1628	warn "parse error while expanding $pod (at $1)";
		1629	}
		1630	last;
		1631	}
		1632	}
		1633
		1634	for ($xml) {
		1635	# create single paragraphs (very hackish)
		1636	s/(?<=\S)\n(?=\w)/ /g;
		1637
		1638	# compress some whitespace
		1639	s/\s+\n/\n/g; # ws line-ends
		1640	s/\n\n+/\n/g; # double lines
		1641	s/^\n+//; # beginning lines
		1642	s/\n+$//; # ending lines
		1643	}
		1644
		1645	$xml
		1646	}
		1647
		1648	no re 'eval';
		1649
		1650	sub hintmode {
		1651	$_[0]{hintmode} = $_[1] if @_ > 1;
		1652	$_[0]{hintmode}
		1653	}
		1654
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1119		1656
1120	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1121		1658
1122	=cut	1659	=cut
1123		1660
1124	sub ext_reply($$$%) {	1661	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1126		1663
1127	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1665	}
1131		1666
1132	package cf;	1667	=item $player->ext_msg ($type, @msg)
		1668
		1669	Sends an ext event to the client.
		1670
		1671	=cut
		1672
		1673	sub ext_msg($$@) {
		1674	my ($self, $type, @msg) = @_;
		1675
		1676	$self->ns->ext_msg ($type, @msg);
		1677	}
		1678
		1679	=head3 cf::region
		1680
		1681	=over 4
		1682
		1683	=cut
		1684
		1685	package cf::region;
		1686
		1687	=item cf::region::find_by_path $path
		1688
		1689	Tries to decuce the likely region for a map knowing only its path.
		1690
		1691	=cut
		1692
		1693	sub find_by_path($) {
		1694	my ($path) = @_;
		1695
		1696	my ($match, $specificity);
		1697
		1698	for my $region (list) {
		1699	if ($region->{match} && $path =~ $region->{match}) {
		1700	($match, $specificity) = ($region, $region->specificity)
		1701	if $region->specificity > $specificity;
		1702	}
		1703	}
		1704
		1705	$match
		1706	}
1133		1707
1134	=back	1708	=back
1135
1136		1709
1137	=head3 cf::map	1710	=head3 cf::map
1138		1711
1139	=over 4	1712	=over 4
1140		1713
…		…
1195	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1196		1769
1197	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1198	local $self->{path};	1771	local $self->{path};
1199	local $self->{load_path};	1772	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1773
1203	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1204	}	1775	}
1205		1776
1206	sub normalise {	1777	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1254	return $self;	1825	return $self;
1255	}	1826	}
1256	}	1827	}
1257		1828
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1830	()
1260	}	1831	}
1261		1832
1262	sub init {	1833	sub init {
1263	my ($self) = @_;	1834	my ($self) = @_;
…		…
1278		1849
1279	# the original (read-only) location	1850	# the original (read-only) location
1280	sub load_path {	1851	sub load_path {
1281	my ($self) = @_;	1852	my ($self) = @_;
1282		1853
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1854	"$MAPDIR/$self->{path}.map"
1284	}	1855	}
1285		1856
1286	# the temporary/swap location	1857	# the temporary/swap location
1287	sub save_path {	1858	sub save_path {
1288	my ($self) = @_;	1859	my ($self) = @_;
1289		1860
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1862	"$TMPDIR/$path.map"
1292	}	1863	}
1293		1864
1294	# the unique path, undef == no special unique path	1865	# the unique path, undef == no special unique path
1295	sub uniq_path {	1866	sub uniq_path {
1296	my ($self) = @_;	1867	my ($self) = @_;
1297		1868
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1870	"$UNIQUEDIR/$path"
1300	}	1871	}
1301		1872
1302	# and all this just because we cannot iterate over	1873	# and all this just because we cannot iterate over
1303	# all maps in C++...	1874	# all maps in C++...
1304	sub change_all_map_light {	1875	sub change_all_map_light {
…		…
1306		1877
1307	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1309	}	1880	}
1310		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1311	sub unlink_save {	1890	sub unlink_save {
1312	my ($self) = @_;	1891	my ($self) = @_;
1313		1892
1314	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1897
1319	sub load_header_from($) {	1898	sub load_header_from($) {
1320	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1321		1900
1322	utf8::encode $path;	1901	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1903	or return;
		1904
		1905	$self->_load_header ($f)
		1906	or return;
		1907
		1908	local $MAP_LOADING{$self->{path}} = $self;
		1909	$f->resolve_delayed_derefs;
1328		1910
1329	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1330		1912
1331	1	1913	1
1332	}	1914	}
…		…
1371	$self->load_header_orig	1953	$self->load_header_orig
1372	or return;	1954	or return;
1373	$self->prepare_orig;	1955	$self->prepare_orig;
1374	}	1956	}
1375		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
		1961	$self->default_region (cf::region::find_by_path $self->{path})
		1962	unless $self->default_region;
		1963
1376	1	1964	1
1377	}	1965	}
1378		1966
1379	sub find;	1967	sub find;
1380	sub find {	1968	sub find {
1381	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1382		1970
1383	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1384		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1386		1975
1387	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard1 = cf::lock_acquire "map_find:$path";
		1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1979
1389	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1390	or return;	1981	or return;
1391		1982
1392	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1393		1984
1394	$map->load_header	1985	$map->load_header
1395	or return;	1986	or return;
1396		1987
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1400	$map->reset;	1993	$map->reset;
1401	undef $guard;
1402	return find $path;	1994	return find $path;
1403	}	1995	}
1404		1996
1405	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1406	}	1998	}
…		…
1413	my ($self) = @_;	2005	my ($self) = @_;
1414		2006
1415	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1416		2008
1417	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1419		2013
		2014	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2016
1422	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1423		2018
1424	$self->alloc;	2019	$self->alloc;
1425		2020
1426	$self->pre_load;	2021	$self->pre_load;
		2022	cf::cede_to_tick;
1427		2023
1428	$self->_load_objects ($self->{load_path}, 1)	2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
		2026	$self->_load_objects ($f)
1429	or return;	2027	or return;
1430		2028
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2030	if delete $self->{load_original};
1433		2031
1434	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2033	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2036	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1439	}	2040	}
1440	}	2041	}
1441		2042
1442	Coro::cede;	2043	$f->resolve_delayed_derefs;
1443		2044
		2045	cf::cede_to_tick;
1444	# now do the right thing for maps	2046	# now do the right thing for maps
1445	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2049	unless $self->difficulty;
1455	Coro::cede;	2050	cf::cede_to_tick;
		2051
		2052	unless ($self->{deny_activate}) {
		2053	$self->decay_objects;
		2054	$self->fix_auto_apply;
		2055	$self->update_buttons;
		2056	cf::cede_to_tick;
		2057	$self->set_darkness_map;
		2058	cf::cede_to_tick;
1456	$self->activate;	2059	$self->activate;
		2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
		2064
		2065	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	2066	}
1458		2067
1459	$self->post_load;	2068	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2069	}
1463		2070
1464	sub customise_for {	2071	sub customise_for {
1465	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1466		2073
1467	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2075	if $self->per_player;
1469		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1470	$self	2080	$self
1471	}	2081	}
1472		2082
1473	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2084	sub load_neighbours {
1475	my ($map) = @_;	2085	my ($map) = @_;
1476		2086
1477	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1478		2088
1479	for (0 .. 3) {	2089	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1481	or next;	2091	or next;
1482	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1483	or next;	2093	or next;
1484	$neigh->load;	2094	$neigh->load;
1485		2095
		2096	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2099	}
1489		2100
1490	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1492	or next;	2104	or next;
1493	$neigh->load;	2105	$neigh->load;
1494	}	2106	}
1495	}	2107	}
1496		2108
…		…
1501	}	2113	}
1502		2114
1503	sub do_load_sync {	2115	sub do_load_sync {
1504	my ($map) = @_;	2116	my ($map) = @_;
1505		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1506	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1507	}	2122	}
1508		2123
1509	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1511		2126
1512	sub find_async {	2127	sub find_async {
1513	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1514		2129
1515	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1516		2131
1517	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2134	}
1520		2135
1521	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1522	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1523	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2143	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2144	$map->load if $v;
		2145	}
1528		2146
1529	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1530	}	2148	}
1531	}	2149	}
1532	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1533	};	2151	};
1534	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2155	}
1538		2156
1539	sub save {	2157	sub save {
1540	my ($self) = @_;	2158	my ($self) = @_;
1541		2159
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2161
1544	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1545		2163
1546	return unless $self->dirty;	2164	return unless $self->dirty;
1547		2165
…		…
1553	return if $self->{deny_save};	2171	return if $self->{deny_save};
1554		2172
1555	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1556		2174
1557	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1559	};	2178	};
1560		2179
1561	if ($uniq) {	2180	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2189	my ($self) = @_;
1571		2190
1572	# save first because save cedes	2191	# save first because save cedes
1573	$self->save;	2192	$self->save;
1574		2193
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2195
1577	return if $self->players;	2196	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2198	return if $self->{deny_save};
1580		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2204	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2205	}
1584		2206
1585	sub reset_at {	2207	sub reset_at {
1586	my ($self) = @_;	2208	my ($self) = @_;
1587		2209
1588	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1591		2212
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2215
…		…
1605	my ($self) = @_;	2226	my ($self) = @_;
1606		2227
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2229
1609	return if $self->players;	2230	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2231
1612	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
1613		2233
1614	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1615		2235
1616	# need to save uniques path	2236	# need to save uniques path
1617	unless ($self->{deny_save}) {	2237	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2241	if $uniq;
1622	}	2242	}
1623		2243
1624	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1625		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2248	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2249
1630	$self->unlink_save;	2250	$self->unlink_save;
1631	$self->destroy;	2251	$self->destroy;
1632	}	2252	}
1633		2253
1634	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1635		2255
1636	sub nuke {	2256	sub nuke {
1637	my ($self) = @_;	2257	my ($self) = @_;
1638		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1639	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1640		2263
1641	$self->unlink_save;	2264	$self->unlink_save;
1642		2265
1643	bless $self, "cf::map";	2266	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2271
1649	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1650		2274
1651	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
		2276	}
		2277
		2278	=item $maps = cf::map::tmp_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	maps. May block.
		2282
		2283	=cut
		2284
		2285	sub tmp_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise $_
		2291	: ()
		2292	} @{ aio_readdir $TMPDIR or [] }
		2293	]
		2294	}
		2295
		2296	=item $maps = cf::map::random_maps
		2297
		2298	Returns an arrayref with all map paths of currently instantiated and saved
		2299	random maps. May block.
		2300
		2301	=cut
		2302
		2303	sub random_maps() {
		2304	[
		2305	map {
		2306	utf8::decode $_;
		2307	/\.map$/
		2308	? normalise "?random/$_"
		2309	: ()
		2310	} @{ aio_readdir $RANDOMDIR or [] }
		2311	]
1652	}	2312	}
1653		2313
1654	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1655		2315
1656	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2317	instantiated unique items. May block.
1658		2318
1659	=cut	2319	=cut
1660		2320
1661	sub unique_maps() {	2321	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2322	[
1663	or return;	2323	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2324	utf8::decode $_;
1669	next if /\.pst$/;	2325	/\.map$/
1670	next unless /^$PATH_SEP/o;	2326	? normalise $_
1671		2327	: ()
1672	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2329	]
1674
1675	\@paths
1676	}	2330	}
1677		2331
1678	package cf;	2332	package cf;
1679		2333
1680	=back	2334	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1699	}	2353	}
1700		2354
1701	sub inv_recursive {	2355	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
		2357	}
		2358
		2359	=item $ref = $ob->ref
		2360
		2361	creates and returns a persistent reference to an objetc that can be stored as a string.
		2362
		2363	=item $ob = cf::object::deref ($refstring)
		2364
		2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2366	even if the object actually exists. May block.
		2367
		2368	=cut
		2369
		2370	sub deref {
		2371	my ($ref) = @_;
		2372
		2373	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2374	my ($uuid, $name) = ($1, $2);
		2375	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2376	or return;
		2377	$pl->ob->uuid eq $uuid
		2378	or return;
		2379
		2380	$pl->ob
		2381	} else {
		2382	warn "$ref: cannot resolve object reference\n";
		2383	undef
		2384	}
1703	}	2385	}
1704		2386
1705	package cf;	2387	package cf;
1706		2388
1707	=back	2389	=back
…		…
1726		2408
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2410
1729	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1731	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1734	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1735	}	2436	}
1736		2437
1737	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1738		2439
1739	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1787		2488
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2490
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1792		2493
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2495	}
1795		2496
1796	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1798		2501
1799	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1800		2503
1801	unless ($map) {	2504	unless ($map) {
1802	# restore original map position	2505	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1819		2522
1820	$map->load;	2523	$map->load;
1821	$map->load_diag;	2524	$map->load_neighbours;
1822		2525
1823	return unless $self->contr->active;	2526	return unless $self->contr->active;
1824	$self->activate_recursive;	2527	$self->activate_recursive;
1825		2528
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1828	}	2531	}
1829		2532
1830	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2534
1834	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1838	};	2539	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2540
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1865		2544
1866	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
		2547
		2548	# do generation counting so two concurrent goto's will be executed in-order
		2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2550
1869	$self->enter_link;	2551	$self->enter_link;
1870		2552
1871	(async {	2553	(async {
		2554	$Coro::current->{desc} = "player::goto $path $x $y";
		2555
		2556	# *tag paths override both path and x|y
		2557	if ($path =~ /^\*(.*)$/) {
		2558	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2559	my $ob = $obs[rand @obs];
		2560
		2561	# see if we actually can go there
		2562	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2563	$ob = $obs[rand @obs];
		2564	} else {
		2565	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2566	}
		2567	# else put us there anyways for now #d#
		2568
		2569	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2570	} else {
		2571	($path, $x, $y) = (undef, undef, undef);
		2572	}
		2573	}
		2574
1872	my $map = eval {	2575	my $map = eval {
1873	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2579	$map = $map->customise_for ($self);
		2580	$map = $check->($map) if $check && $map;
		2581	} else {
		2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584
1875	$map	2585	$map
		2586	};
		2587
		2588	if ($@) {
		2589	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2591	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1880	})->prio (1);	2599	})->prio (1);
1881	}	2600	}
1882		2601
1883	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1884		2603
…		…
1921	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
1922	}	2641	}
1923		2642
1924	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
1925		2644
1926	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
1929		2648
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2651	undef $fh;
1933	aio_rename "$meta~", $meta;	2652	aio_rename "$meta~", $meta;
…		…
1942		2661
1943	return unless $self->type == cf::PLAYER;	2662	return unless $self->type == cf::PLAYER;
1944		2663
1945	if ($exit->slaying eq "/!") {	2664	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2666	# the problem is that $exit might not survive long enough
		2667	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2668	cf::sync_job { prepare_random_map $exit };
1948	}	2669	}
1949		2670
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
1953		2674
1954	$self->enter_link;	2675	$self->enter_link;
1955		2676
		2677	# if exit is damned, update players death & WoR home-position
		2678	$self->contr->savebed ($slaying, $hp, $sp)
		2679	if $exit->flag (FLAG_DAMNED);
		2680
1956	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
1957	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2685	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
1960		2687
1961	1;	2688	1;
1962	}) {	2689	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2690	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2691	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2692	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2693	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2694
1968	warn "ERROR in enter_exit: $@";	2695	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2696	$self->leave_link;
1970	}	2697	}
1971	})->prio (1);	2698	})->prio (1);
…		…
1987		2714
1988	utf8::encode $text;	2715	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2717	}
1991		2718
		2719	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2720
		2721	Send a drawinfo or msg packet to the client, formatting the msg for the
		2722	client if neccessary. C<$type> should be a string identifying the type of
		2723	the message, with C<log> being the default. If C<$color> is negative, suppress
		2724	the message unless the client supports the msg packet.
		2725
		2726	=cut
		2727
		2728	# non-persistent channels (usually the info channel)
		2729	our %CHANNEL = (
		2730	"c/identify" => {
		2731	id => "infobox",
		2732	title => "Identify",
		2733	reply => undef,
		2734	tooltip => "Items recently identified",
		2735	},
		2736	"c/examine" => {
		2737	id => "infobox",
		2738	title => "Examine",
		2739	reply => undef,
		2740	tooltip => "Signs and other items you examined",
		2741	},
		2742	"c/book" => {
		2743	id => "infobox",
		2744	title => "Book",
		2745	reply => undef,
		2746	tooltip => "The contents of a note or book",
		2747	},
		2748	"c/lookat" => {
		2749	id => "infobox",
		2750	title => "Look",
		2751	reply => undef,
		2752	tooltip => "What you saw there",
		2753	},
		2754	"c/who" => {
		2755	id => "infobox",
		2756	title => "Players",
		2757	reply => undef,
		2758	tooltip => "Shows players who are currently online",
		2759	},
		2760	"c/body" => {
		2761	id => "infobox",
		2762	title => "Body Parts",
		2763	reply => undef,
		2764	tooltip => "Shows which body parts you posess and are available",
		2765	},
		2766	"c/uptime" => {
		2767	id => "infobox",
		2768	title => "Uptime",
		2769	reply => undef,
		2770	tooltip => "How long the server has been running since last restart",
		2771	},
		2772	"c/mapinfo" => {
		2773	id => "infobox",
		2774	title => "Map Info",
		2775	reply => undef,
		2776	tooltip => "Information related to the maps",
		2777	},
		2778	);
		2779
		2780	sub cf::client::send_msg {
		2781	my ($self, $channel, $msg, $color, @extra) = @_;
		2782
		2783	$msg = $self->pl->expand_cfpod ($msg);
		2784
		2785	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2786
		2787	# check predefined channels, for the benefit of C
		2788	if ($CHANNEL{$channel}) {
		2789	$channel = $CHANNEL{$channel};
		2790
		2791	$self->ext_msg (channel_info => $channel)
		2792	if $self->can_msg;
		2793
		2794	$channel = $channel->{id};
		2795
		2796	} elsif (ref $channel) {
		2797	# send meta info to client, if not yet sent
		2798	unless (exists $self->{channel}{$channel->{id}}) {
		2799	$self->{channel}{$channel->{id}} = $channel;
		2800	$self->ext_msg (channel_info => $channel)
		2801	if $self->can_msg;
		2802	}
		2803
		2804	$channel = $channel->{id};
		2805	}
		2806
		2807	return unless @extra || length $msg;
		2808
		2809	if ($self->can_msg) {
		2810	# default colour, mask it out
		2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2812	if $color & cf::NDI_DEF;
		2813
		2814	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2816	} else {
		2817	if ($color >= 0) {
		2818	# replace some tags by gcfclient-compatible ones
		2819	for ($msg) {
		2820	1 while
		2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2826	}
		2827
		2828	$color &= cf::NDI_COLOR_MASK;
		2829
		2830	utf8::encode $msg;
		2831
		2832	if (0 && $msg =~ /\[/) {
		2833	# COMMAND/INFO
		2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2835	} else {
		2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2837	$self->send_packet ("drawinfo $color $msg")
		2838	}
		2839	}
		2840	}
		2841	}
		2842
		2843	=item $client->ext_msg ($type, @msg)
		2844
		2845	Sends an ext event to the client.
		2846
		2847	=cut
		2848
		2849	sub cf::client::ext_msg($$@) {
		2850	my ($self, $type, @msg) = @_;
		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
		2855	push @msg, msgtype => "event_$type";
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		2867	my ($self, $id, @msg) = @_;
		2868
		2869	if ($self->extcmd == 2) {
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2871	} elsif ($self->extcmd == 1) {
		2872	#TODO: version 1, remove
		2873	unshift @msg, msgtype => "reply", msgid => $id;
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2875	}
		2876	}
1992		2877
1993	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
1994		2879
1995	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2881	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2882	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2883
1999	Queries can fail, so check the return code. Or don't, as queries will become	2884	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2885	become reliable at some point in the future.
2001		2886
2002	=cut	2887	=cut
2003		2888
2004	sub cf::client::query {	2889	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2898	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2900
2016	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2018	}	2905	}
2019		2906
2020	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
2021	on_reply => sub {	2913	on_reply => sub {
2022	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2023		2915
2024	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2025	# get handled first	2917	# get handled first
…		…
2037	} else {	2929	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2931	}
2040	}	2932	}
2041	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($ns, $buf) = @_;
		2936
		2937	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2938
		2939	if (ref $msg) {
		2940	my ($type, $reply, @payload) =
		2941	"ARRAY" eq ref $msg
		2942	? @$msg
		2943	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2944
		2945	my @reply;
		2946
		2947	if (my $cb = $EXTICMD{$type}) {
		2948	@reply = $cb->($ns, @payload);
		2949	}
		2950
		2951	$ns->ext_reply ($reply, @reply)
		2952	if $reply;
		2953
		2954	} else {
		2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2956	}
		2957
		2958	cf::override;
		2959	},
2042	);	2960	);
2043		2961
2044	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2045		2963
2046	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2089		3007
2090	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2091		3009
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3010	$safe->permit_only (Opcode::opset qw(
		3011	:base_core :base_mem :base_orig :base_math
		3012	grepstart grepwhile mapstart mapwhile
		3013	sort time
		3014	));
2093		3015
2094	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2095		3017
2096	=pod	3018	=pod
2097		3019
2098	The following fucntions and emthods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2099		3021
2100	cf::object contr pay_amount pay_player map	3022	cf::object
		3023	contr pay_amount pay_player map x y force_find force_add destroy
		3024	insert remove name archname title slaying race decrease_ob_nr
		3025
2101	cf::object::player player	3026	cf::object::player
2102	cf::player peaceful	3027	player
2103	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2104		3034
2105	=cut	3035	=cut
2106		3036
2107	for (	3037	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3039	insert remove inv name archname title slaying race
		3040	decrease_ob_nr destroy)],
2109	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2112	) {	3044	) {
2113	no strict 'refs';	3045	no strict 'refs';
…		…
2184	=back	3116	=back
2185		3117
2186	=cut	3118	=cut
2187		3119
2188	#############################################################################	3120	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3121	# the server's init and main functions
2262		3122
2263	sub load_faces {	3123	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3124	my ($path) = @_;
2265		3125
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3131
2266	warn "loading faces from $path\n";	3132	warn "loading facedata from $path\n";
2267		3133
2268	my $faces;	3134	my $facedata;
2269	0 < aio_load $path, $faces	3135	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3136	or die "$path: $!";
2271		3137
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3138	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3139
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3140	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3142
		3143	# patch in the exptable
		3144	$facedata->{resource}{"res/exp_table"} = {
		3145	type => FT_RSRC,
		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3147	};
		3148	cf::cede_to_tick;
		3149
		3150	{
		3151	my $faces = $facedata->{faceinfo};
		3152
2280	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3155
		3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3160
		3161	cf::cede_to_tick;
		3162	}
		3163
2287	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2289	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2290	or next;	3168	or next;
		3169
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3171	cf::face::set_smooth $idx, $smooth;
		3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3173	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3175	}
2296	Coro::cede;	3176
		3177	cf::cede_to_tick;
		3178	}
		3179	}
		3180
2297	}	3181	{
		3182	my $anims = $facedata->{animinfo};
		3183
		3184	while (my ($anim, $info) = each %$anims) {
		3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3186	cf::cede_to_tick;
		3187	}
		3188
		3189	cf::anim::invalidate_all; # d'oh
		3190	}
		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2298		3226
2299	1	3227	1
2300	}	3228	}
2301		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
		3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
		3263	load_resource_file "$MAPDIR/regions"
		3264	or die "unable to load regions file\n";
		3265
		3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
		3270	}
		3271
		3272	sub reload_facedata {
		3273	load_facedata "$DATADIR/facedata"
		3274	or die "unable to load facedata\n";
		3275	}
		3276
		3277	sub reload_archetypes {
		3278	load_resource_file "$DATADIR/archetypes"
		3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
		3285	}
		3286
		3287	sub reload_treasures {
		3288	load_resource_file "$DATADIR/treasures"
		3289	or die "unable to load treasurelists\n";
		3290	}
		3291
2302	sub reload_resources {	3292	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3293	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3294
		3295	reload_regions;
2305	load_faces	3296	reload_facedata;
2306	or die "unable to load faces\n";#d#	3297	#reload_archetypes;#d#
		3298	reload_archetypes;
		3299	reload_treasures;
		3300
		3301	warn "finished reloading resource files\n";
2307	}	3302	}
2308		3303
2309	sub init {	3304	sub init {
2310	reload_resources;	3305	reload_resources;
2311	}	3306	}
2312		3307
2313	sub cfg_load {	3308	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3310	or return;
2316		3311
2317	local $/;	3312	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
2319		3314
…		…
2334	sub main {	3329	sub main {
2335	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3333	(async {
2339	Event::one_event;	3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3336	})->prio (Coro::PRIO_MAX);
2341	};	3337	};
2342		3338
2343	cfg_load;	3339	reload_config;
2344	db_init;	3340	db_init;
2345	load_extensions;	3341	load_extensions;
2346		3342
2347	$TICK_WATCHER->start;	3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2348	Event::loop;	3345	EV::loop;
2349	}	3346	}
2350		3347
2351	#############################################################################	3348	#############################################################################
2352	# initialisation and cleanup	3349	# initialisation and cleanup
2353		3350
2354	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2355	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2364	},
2365	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2366	}	3396	1
2367	}	3397	}
2368		3398
2369	sub emergency_save() {	3399	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2371		3401
…		…
2377	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2379	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3413	$pl->save;
2383	}	3414	}
2384	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2385		3416
2386	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2404		3435
2405	warn Carp::longmess "post_cleanup backtrace"	3436	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3437	if $make_core;
2407	}	3438	}
2408		3439
2409	sub reload() {	3440	sub do_reload_perl() {
2410	# can/must only be called in main	3441	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3442	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3443	warn "can only reload from main coroutine";
2413	return;	3444	return;
2414	}	3445	}
…		…
2425	warn "syncing database to disk";	3456	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3458
2428	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2429		3460
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";	3461	warn "flushing outstanding aio requests";
2436	for (;;) {	3462	for (;;) {
2437	BDB::flush;	3463	BDB::flush;
2438	IO::AIO::flush;	3464	IO::AIO::flush;
2439	Coro::cede;	3465	Coro::cede_notself;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3466	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";	3467	warn "iterate...";
2442	}	3468	}
2443		3469
2444	++$RELOAD;	3470	++$RELOAD;
…		…
2448	%EXT_CORO = ();	3474	%EXT_CORO = ();
2449		3475
2450	warn "removing commands";	3476	warn "removing commands";
2451	%COMMAND = ();	3477	%COMMAND = ();
2452		3478
2453	warn "removing ext commands";	3479	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2455		3482
2456	warn "unloading/nuking all extensions";	3483	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2459		3486
…		…
2489	Symbol::delete_package "safe::$_"	3516	Symbol::delete_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3517	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3518
2492	warn "unloading cf.pm \"a bit\"";	3519	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3520	delete $INC{"cf.pm"};
		3521	delete $INC{"cf/pod.pm"};
2494		3522
2495	# don't, removes xs symbols, too,	3523	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3524	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3525	#Symbol::delete_package __PACKAGE__;
2498		3526
…		…
2501	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2502	require cf;	3530	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3532
2505	warn "loading config and database again";	3533	warn "loading config and database again";
2506	cf::cfg_load;	3534	cf::reload_config;
2507		3535
2508	warn "loading extensions";	3536	warn "loading extensions";
2509	cf::load_extensions;	3537	cf::load_extensions;
2510		3538
2511	warn "reattaching attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
…		…
2513	warn "reattaching attachments to maps";	3541	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3542	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3543	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3544	reattach $_ for values %PLAYER;
2517		3545
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3546	warn "leaving sync_job";
2522		3547
2523	1	3548	1
2524	} or do {	3549	} or do {
2525	warn $@;	3550	warn $@;
…		…
2530	warn "reloaded";	3555	warn "reloaded";
2531	};	3556	};
2532		3557
2533	our $RELOAD_WATCHER; # used only during reload	3558	our $RELOAD_WATCHER; # used only during reload
2534		3559
		3560	sub reload_perl() {
		3561	# doing reload synchronously and two reloads happen back-to-back,
		3562	# coro crashes during coro_state_free->destroy here.
		3563
		3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3565	undef $RELOAD_WATCHER;
		3566	do_reload_perl;
		3567	};
		3568	}
		3569
2535	register_command "reload" => sub {	3570	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2537		3572
2538	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3574	$who->message ("reloading server.");
2540		3575	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3576	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3577	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3578	};
2553	}	3579	}
2554	};	3580	};
2555		3581
2556	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2557		3583
2558	my $bug_warning = 0;	3584	my $bug_warning = 0;
2559		3585
2560	$TICK_WATCHER = Event->timer (	3586	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3587	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3588
2563	prio => 0,	3589	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3590	return unless $TICK_WATCHER->is_active;
2565	data => WF_AUTOCANCEL,	3591	return if $Coro::current == $Coro::main;
2566	cb => sub {	3592
		3593	my $signal = new Coro::Signal;
		3594	push @WAIT_FOR_TICK, $signal;
		3595	$signal->wait;
		3596	}
		3597
		3598	sub wait_for_tick_begin {
		3599	return unless $TICK_WATCHER->is_active;
		3600	return if $Coro::current == $Coro::main;
		3601
		3602	my $signal = new Coro::Signal;
		3603	push @WAIT_FOR_TICK_BEGIN, $signal;
		3604	$signal->wait;
		3605	}
		3606
		3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2567	if ($Coro::current != $Coro::main) {	3608	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3610	unless ++$bug_warning > 10;
2570	return;	3611	return;
2571	}	3612	}
2572		3613
2573	$NOW = Event::time;	3614	$NOW = $tick_start = EV::now;
2574		3615
2575	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
		3617
2576	$RUNTIME += $TICK;	3618	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	3619	$NEXT_TICK = $_[0]->at;
2578		3620
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3623	Coro::async_pool {
		3624	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3625	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	3626	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3627	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3628	}
2599	);	3629
		3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3631	$sig->send;
		3632	}
		3633	while (my $sig = shift @WAIT_FOR_TICK) {
		3634	$sig->send;
		3635	}
		3636
		3637	$LOAD = ($NOW - $tick_start) / $TICK;
		3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3639
		3640	_post_tick;
		3641	};
		3642	$TICK_WATCHER->priority (EV::MAXPRI);
2600		3643
2601	{	3644	{
2602	BDB::max_poll_time $TICK * 0.1;	3645	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3646
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3647	BDB::min_parallel 8;
2612		3648	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3649	$Coro::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3650
2628	unless ($DB_ENV) {	3651	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		3657
2631	cf::sync_job {	3658	cf::sync_job {
2632	eval {	3659	eval {
2633	BDB::db_env_open	3660	BDB::db_env_open
2634	$DB_ENV,	3661	$DB_ENV,
2635	$BDB_ENV_DIR,	3662	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3665	0666;
2639		3666
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3668	};
2645		3669
2646	cf::cleanup "db_env_open(db): $@" if $@;	3670	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3671	};
2648	}	3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
2649	}	3683	}
2650		3684
2651	{	3685	{
		3686	# configure IO::AIO
		3687
2652	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3689	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3690	$Coro::AIO::WATCHER->priority (1);
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	3691	}
		3692
		3693	my $_log_backtrace;
		3694
		3695	sub _log_backtrace {
		3696	my ($msg, @addr) = @_;
		3697
		3698	$msg =~ s/\n//;
		3699
		3700	# limit the # of concurrent backtraces
		3701	if ($_log_backtrace < 2) {
		3702	++$_log_backtrace;
		3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
		3706	my @bt = fork_call {
		3707	@addr = map { sprintf "%x", $_ } @addr;
		3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3710	or die "addr2line: $!";
		3711
		3712	my @funcs;
		3713	my @res = <$fh>;
		3714	chomp for @res;
		3715	while (@res) {
		3716	my ($func, $line) = splice @res, 0, 2, ();
		3717	push @funcs, "[$func] $line";
		3718	}
		3719
		3720	@funcs
		3721	};
		3722
		3723	LOG llevInfo, "[ABT] $msg\n";
		3724	LOG llevInfo, "[ABT] $_\n" for @bt;
		3725	--$_log_backtrace;
		3726	};
		3727	} else {
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] [suppressed]\n";
		3730	}
		3731	}
		3732
		3733	# load additional modules
		3734	use cf::pod;
2665		3735
2666	END { cf::emergency_save }	3736	END { cf::emergency_save }
2667		3737
2668	1	3738	1
2669		3739

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