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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.403 by root, Mon Dec 17 07:09:18 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 EV;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
20	use BDB ();	28	use BDB ();
21	use Data::Dumper;	29	use Data::Dumper;
22	use Digest::MD5;	30	use Digest::MD5;
23	use Fcntl;	31	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	32	use YAML::Syck ();
		33	use IO::AIO 2.51 ();
26	use Time::HiRes;	34	use Time::HiRes;
27	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
28		37
		38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	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
30
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$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
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
48	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
49	our @EVENT;	61	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		62
52	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
53	our $TICK_WATCHER;	76	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	79	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		81
60	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	86	our $DB_ENV;
62		87
63	our %CFG;	88	our %CFG;
64		89
65	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	91	our $RUNTIME;
		92	our $NOW;
67		93
68	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		97
77	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
80	binmode STDOUT;	105	binmode STDOUT;
81	binmode STDERR;	106	binmode STDERR;
82		107
83	# read virtual server time, if available	108	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
88	}	113	}
89		114
90	mkdir cf::localdir;	115	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		117
97	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
98		119
99	sub cf::map::normalise;	120	sub cf::map::normalise;
100		121
…		…
111	=item $cf::RUNTIME	132	=item $cf::RUNTIME
112		133
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	135	every server tick.
115		136
116	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		140
118	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
120		145
121	=item $cf::NOW	146	=item $cf::NOW
122		147
123	The time of the last (current) server tick.	148	The time of the last (current) server tick.
124		149
125	=item $cf::TICK	150	=item $cf::TICK
126		151
127	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
128		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
		163
129	=item %cf::CFG	164	=item %cf::CFG
130		165
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	167	from wherever your confdir points to.
133		168
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		170
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
140		180
141	=back	181	=back
142		182
143	=cut	183	=cut
144		184
145	BEGIN {	185	BEGIN {
146	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	187	my $msg = join "", @_;
148	utf8::encode $msg;
149		188
150	$msg .= "\n"	189	$msg .= "\n"
151	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
152		193
153	LOG llevError, $msg;	194	LOG llevError, $msg;
154	};	195	};
155	}	196	}
156		197
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		205
164	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	207	# within the Safe compartment.
166	for my $pkg (qw(	208	for my $pkg (qw(
167	cf::global cf::attachable	209	cf::global cf::attachable
…		…
172	)) {	214	)) {
173	no strict 'refs';	215	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	217	}
176		218
177	$Event::DIED = sub {	219	$EV::DIED = sub {
178	warn "error in event callback: @_";	220	warn "error in event callback: @_";
179	};	221	};
		222
		223	#############################################################################
180		224
181	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
182		226
183	=over 4	227	=over 4
184		228
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	248	$d
205	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
206	}	250	}
207		251
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
211		253
212	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
213		255
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
222		257
223	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
224		259
225	=cut	260	=cut
226		261
227	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
229	JSON::Syck::Dump $_[0]	264	sub encode_json($) { $json_coder->encode ($_[0]) }
230	}	265	sub decode_json($) { $json_coder->decode ($_[0]) }
231		266
232	=item cf::lock_wait $string	267	=item cf::lock_wait $string
233		268
234	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
235		270
…		…
238	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
241	returned.	276	returned.
242		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
243	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
245		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
246	=cut	288	=cut
247		289
248	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
249		292
250	sub lock_wait($) {	293	sub lock_wait($) {
251	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
252		300
253	# wait for lock, if any	301	# wait for lock, if any
254	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	304	Coro::schedule;
…		…
262		310
263	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
264	lock_wait $key;	312	lock_wait $key;
265		313
266	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
267		316
268	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
271	}	321	}
		322	}
		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
272	}	328	}
273		329
274	sub freeze_mainloop {	330	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
276		332
…		…
279	};	335	};
280	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
281	$guard	337	$guard
282	}	338	}
283		339
		340	=item cf::periodic $interval, $cb
		341
		342	Like EV::periodic, but randomly selects a starting point so that the actions
		343	get spread over timer.
		344
		345	=cut
		346
		347	sub periodic($$) {
		348	my ($interval, $cb) = @_;
		349
		350	my $start = rand List::Util::min 180, $interval;
		351
		352	EV::periodic $start, $interval, 0, $cb
		353	}
		354
		355	=item cf::get_slot $time[, $priority[, $name]]
		356
		357	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		358	This call blocks and returns only when you have at least C<$time> seconds
		359	of cpu time till the next tick. The slot is only valid till the next cede.
		360
		361	The optional C<$name> can be used to identify the job to run. It might be
		362	used for statistical purposes and should identify the same time-class.
		363
		364	Useful for short background jobs.
		365
		366	=cut
		367
		368	our @SLOT_QUEUE;
		369	our $SLOT_QUEUE;
		370
		371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		372	$SLOT_QUEUE = Coro::async {
		373	$Coro::current->desc ("timeslot manager");
		374
		375	my $signal = new Coro::Signal;
		376
		377	while () {
		378	next_job:
		379	my $avail = cf::till_tick;
		380	if ($avail > 0.01) {
		381	for (0 .. $#SLOT_QUEUE) {
		382	if ($SLOT_QUEUE[$_][0] < $avail) {
		383	my $job = splice @SLOT_QUEUE, $_, 1, ();
		384	$job->[2]->send;
		385	Coro::cede;
		386	goto next_job;
		387	}
		388	}
		389	}
		390
		391	if (@SLOT_QUEUE) {
		392	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		393	push @cf::WAIT_FOR_TICK, $signal;
		394	$signal->wait;
		395	} else {
		396	Coro::schedule;
		397	}
		398	}
		399	};
		400
		401	sub get_slot($;$$) {
		402	my ($time, $pri, $name) = @_;
		403
		404	$time = $TICK * .6 if $time > $TICK * .6;
		405	my $sig = new Coro::Signal;
		406
		407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		409	$SLOT_QUEUE->ready;
		410	$sig->wait;
		411	}
		412
284	=item cf::async { BLOCK }	413	=item cf::async { BLOCK }
285		414
286	Currently the same as Coro::async_pool, meaning you cannot use	415	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	416	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	417	thing you are allowed to do is call C<prio> on it.
…		…
291		420
292	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
293		422
294	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
295		424
296	The design of crossfire+ requires that the main coro ($Coro::main) is	425	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	426	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		428	acceptable.
299		429
300	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	432	server will be frozen during this time, so the block should either finish
303	fast or be very important.	433	fast or be very important.
…		…
306		436
307	sub sync_job(&) {	437	sub sync_job(&) {
308	my ($job) = @_;	438	my ($job) = @_;
309		439
310	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
		441	my $time = EV::time;
		442
311	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
313		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
314	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	449	# (but this is cancel-safe)
316	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
317		451
318	my $busy = 1;	452	my $busy = 1;
319	my @res;	453	my @res;
320		454
321	(async {	455	(async {
		456	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	457	@res = eval { $job->() };
323	warn $@ if $@;	458	warn $@ if $@;
324	undef $busy;	459	undef $busy;
325	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
326		461
327	while ($busy) {	462	while ($busy) {
328	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
329	}	467	}
		468	}
		469
		470	$time = EV::time - $time;
		471
		472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		474
		475	$tick_start += $time; # do not account sync jobs to server load
330		476
331	wantarray ? @res : $res[0]	477	wantarray ? @res : $res[0]
332	} else {	478	} else {
333	# we are in another coroutine, how wonderful, everything just works	479	# we are in another coroutine, how wonderful, everything just works
334		480
…		…
354	$EXT_CORO{$coro+0} = $coro;	500	$EXT_CORO{$coro+0} = $coro;
355		501
356	$coro	502	$coro
357	}	503	}
358		504
359	sub write_runtime {	505	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		506
362	my $runtime = cf::localdir . "/runtime";	507	Executes the given code block with the given arguments in a seperate
		508	process, returning the results. Everything must be serialisable with
		509	Coro::Storable. May, of course, block. Note that the executed sub may
		510	never block itself or use any form of event handling.
363		511
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	512	=cut
365	or return;
366		513
367	my $value = $cf::RUNTIME + 90 + 10;	514	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	515	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		516
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	517	# we seemingly have to make a local copy of the whole thing,
372	and return;	518	# otherwise perl prematurely frees the stuff :/
		519	# TODO: investigate and fix (likely this will be rather laborious)
373		520
374	# always fsync - this file is important	521	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	522	reset_signals;
376	and return;	523	&$cb
		524	}, @args;
377		525
378	close $fh	526	wantarray ? @res : $res[-1]
379	or return;	527	}
380		528
381	aio_rename "$runtime~", $runtime	529	=item $value = cf::db_get $family => $key
382	and return;
383		530
		531	Returns a single value from the environment database.
		532
		533	=item cf::db_put $family => $key => $value
		534
		535	Stores the given C<$value> in the family. It can currently store binary
		536	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		537
		538	=item $db = cf::db_table "name"
		539
		540	Create and/or open a new database table. The string must not be "db" and must be unique
		541	within each server.
		542
		543	=cut
		544
		545	sub db_table($) {
		546	my ($name) = @_;
		547	my $db = BDB::db_create $DB_ENV;
		548
		549	eval {
		550	$db->set_flags (BDB::CHKSUM);
		551
		552	utf8::encode $name;
		553	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		554	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		555	cf::cleanup "db_open(db): $!" if $!;
		556	};
		557	cf::cleanup "db_open(db): $@" if $@;
		558
		559	$db
		560	}
		561
		562	our $DB;
		563
		564	sub db_init {
		565	cf::sync_job {
		566	$DB ||= db_table "db";
		567	};
		568	}
		569
		570	sub db_get($$) {
		571	my $key = "$_[0]/$_[1]";
		572
		573	cf::sync_job {
		574	BDB::db_get $DB, undef, $key, my $data;
		575
		576	$! ? ()
		577	: $data
384	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		582	BDB::dbreq_pri 4;
		583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		584	}
		585
		586	=item cf::cache $id => [$paths...], $processversion => $process
		587
		588	Generic caching function that returns the value of the resource $id,
		589	caching and regenerating as required.
		590
		591	This function can block.
		592
		593	=cut
		594
		595	sub cache {
		596	my ($id, $src, $processversion, $process) = @_;
		597
		598	my $meta =
		599	join "\x00",
		600	$processversion,
		601	map {
		602	aio_stat $_
		603	and Carp::croak "$_: $!";
		604
		605	($_, (stat _)[7,9])
		606	} @$src;
		607
		608	my $dbmeta = db_get cache => "$id/meta";
		609	if ($dbmeta ne $meta) {
		610	# changed, we may need to process
		611
		612	my @data;
		613	my $md5;
		614
		615	for (0 .. $#$src) {
		616	0 <= aio_load $src->[$_], $data[$_]
		617	or Carp::croak "$src->[$_]: $!";
		618	}
		619
		620	# if processing is expensive, check
		621	# checksum first
		622	if (1) {
		623	$md5 =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	cf::cede_to_tick;
		628	($src->[$_], Digest::MD5::md5_hex $data[$_])
		629	} 0.. $#$src;
		630
		631
		632	my $dbmd5 = db_get cache => "$id/md5";
		633	if ($dbmd5 eq $md5) {
		634	db_put cache => "$id/meta", $meta;
		635
		636	return db_get cache => "$id/data";
		637	}
		638	}
		639
		640	my $t1 = Time::HiRes::time;
		641	my $data = $process->(\@data);
		642	my $t2 = Time::HiRes::time;
		643
		644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		645
		646	db_put cache => "$id/data", $data;
		647	db_put cache => "$id/md5" , $md5;
		648	db_put cache => "$id/meta", $meta;
		649
		650	return $data;
		651	}
		652
		653	db_get cache => "$id/data"
		654	}
		655
		656	=item cf::datalog type => key => value, ...
		657
		658	Log a datalog packet of the given type with the given key-value pairs.
		659
		660	=cut
		661
		662	sub datalog($@) {
		663	my ($type, %kv) = @_;
		664	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	665	}
386		666
387	=back	667	=back
388		668
389	=cut	669	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	676	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
398		678
399	In the following description, CLASS can be any of C<global>, C<object>	679	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	680	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	681	Deliantra).
402		682
403	=over 4	683	=over 4
404		684
405	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
406		686
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	849	$registry = $CB_TYPE[$object_type] ||= [];
570		850
571	} elsif ($type eq "subtype") {	851	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	852	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	853	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	854	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		855
576	} elsif ($type eq "package") {	856	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	857	my $pkg = shift @arg;
578		858
579	while (my ($name, $id) = each %cb_id) {	859	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
609	}	889	}
610		890
611	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
612	} else {	892	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	894	}
615		895
616	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
617	}	897	}
618		898
…		…
620	if (ref $_[0]) {	900	if (ref $_[0]) {
621	_object_attach @_;	901	_object_attach @_;
622	} else {	902	} else {
623	_attach shift->_attach_registry, @_;	903	_attach shift->_attach_registry, @_;
624	}	904	}
		905	_recalc_want;
625	};	906	};
626		907
627	# all those should be optimised	908	# all those should be optimised
628	sub cf::attachable::detach {	909	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	910	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	913	delete $obj->{_attachment}{$name};
633	reattach ($obj);	914	reattach ($obj);
634	} else {	915	} else {
635	Carp::croak "cannot, currently, detach class attachments";	916	Carp::croak "cannot, currently, detach class attachments";
636	}	917	}
		918	_recalc_want;
637	};	919	};
638		920
639	sub cf::attachable::attached {	921	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	922	my ($obj, $name) = @_;
641		923
…		…
656	";	938	";
657	die if $@;	939	die if $@;
658	}	940	}
659		941
660	our $override;	942	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	943	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		944
663	sub override {	945	sub override {
664	$override = 1;	946	$override = 1;
665	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
666	}	948	}
667		949
668	sub do_invoke {	950	sub do_invoke {
669	my $event = shift;	951	my $event = shift;
670	my $callbacks = shift;	952	my $callbacks = shift;
671		953
672	@invoke_results = ();	954	@INVOKE_RESULTS = ();
673		955
674	local $override;	956	local $override;
675		957
676	for (@$callbacks) {	958	for (@$callbacks) {
677	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
694		976
695	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
696		978
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	979	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	980	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		982
701	=back	983	=back
702		984
703	=cut	985	=cut
704		986
705	#############################################################################	987	#############################################################################
706	# object support	988	# object support
		989
		990	sub _object_equal($$);
		991	sub _object_equal($$) {
		992	my ($a, $b) = @_;
		993
		994	return 0 unless (ref $a) eq (ref $b);
		995
		996	if ("HASH" eq ref $a) {
		997	my @ka = keys %$a;
		998	my @kb = keys %$b;
		999
		1000	return 0 if @ka != @kb;
		1001
		1002	for (0 .. $#ka) {
		1003	return 0 unless $ka[$_] eq $kb[$_];
		1004	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1005	}
		1006
		1007	} elsif ("ARRAY" eq ref $a) {
		1008
		1009	return 0 if @$a != @$b;
		1010
		1011	for (0 .. $#$a) {
		1012	return 0 unless _object_equal $a->[$_], $b->[$_];
		1013	}
		1014
		1015	} elsif ($a ne $b) {
		1016	return 0;
		1017	}
		1018
		1019	1
		1020	}
		1021
		1022	our $SLOW_MERGES;#d#
		1023	sub _can_merge {
		1024	my ($ob1, $ob2) = @_;
		1025
		1026	++$SLOW_MERGES;#d#
		1027
		1028	# we do the slow way here
		1029	return _object_equal $ob1, $ob2
		1030	}
707		1031
708	sub reattach {	1032	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1034	my ($obj) = @_;
711		1035
…		…
732	cf::attachable->attach (	1056	cf::attachable->attach (
733	prio => -1000000,	1057	prio => -1000000,
734	on_instantiate => sub {	1058	on_instantiate => sub {
735	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
736		1060
737	$data = from_json $data;	1061	$data = decode_json $data;
738		1062
739	for (@$data) {	1063	for (@$data) {
740	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
741		1065
742	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1082	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
760		1084
761	sync_job {	1085	sync_job {
762	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
765		1090
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1094	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1095	close $fh;
771		1096
772	if (@$objs) {	1097	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1103	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
780	}	1105	}
…		…
788	}	1113	}
789	} else {	1114	} else {
790	aio_unlink $filename;	1115	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
792	}	1117	}
793	}	1118	};
794	}	1119	}
795		1120
796	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
798		1123
…		…
810	or return;	1135	or return;
811		1136
812	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
814	or return;	1139	or return;
		1140
815	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
816	}	1143	}
817		1144
		1145	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1147	$decname, length $data, scalar @{$av || []};
		1148
820	return ($data, $av);	1149	($data, $av)
821	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
822		1157
823	#############################################################################	1158	#############################################################################
824	# command handling &c	1159	# command handling &c
825		1160
826	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1175	}
841		1176
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1178
844	Register a callbackf ro execution when the client sends an extcmd packet.	1179	Register a callback for execution when the client sends an (synchronous)
		1180	extcmd packet. Ext commands will be processed in the order they are
		1181	received by the server, like other user commands. The first argument is
		1182	the logged-in player. Ext commands can only be processed after a player
		1183	has logged in successfully.
845		1184
846	If the callback returns something, it is sent back as if reply was being	1185	If the callback returns something, it is sent back as if reply was being
847	called.	1186	called.
848		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
849	=cut	1199	=cut
850		1200
851	sub register_extcmd {	1201	sub register_extcmd {
852	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
853		1203
854	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
855	}	1211	}
856		1212
857	cf::player->attach (	1213	cf::player->attach (
858	on_command => sub {	1214	on_command => sub {
859	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1224	cf::override;
869	},	1225	},
870	on_extcmd => sub {	1226	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
872		1228
873	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1230
875	if (ref $msg) {	1231	if (ref $msg) {
		1232	my ($type, $reply, @payload) =
		1233	"ARRAY" eq ref $msg
		1234	? @$msg
		1235	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1236
		1237	my @reply;
		1238
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
881	} else {	1246	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1248	}
884		1249
885	cf::override;	1250	cf::override;
886	},	1251	},
887	);	1252	);
888		1253
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
924	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1259	next unless -r $path;
926	eval {	1260
927	load_extension $ext;	1261	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1262	my $base = $1;
		1263	my $pkg = $1;
		1264	$pkg =~ s/[^[:word:]]/_/g;
		1265	$pkg = "ext::$pkg";
		1266
		1267	open my $fh, "<:utf8", $path
		1268	or die "$path: $!";
		1269
		1270	my $source = do { local $/; <$fh> };
		1271
		1272	my %ext = (
		1273	path => $path,
		1274	base => $base,
		1275	pkg => $pkg,
		1276	);
		1277
		1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1280
		1281	$ext{source} =
		1282	"package $pkg; use strict; use utf8;\n"
		1283	. "#line 1 \"$path\"\n{\n"
		1284	. $source
		1285	. "\n};\n1";
		1286
		1287	$todo{$base} = \%ext;
		1288	}
		1289
		1290	my %done;
		1291	while (%todo) {
		1292	my $progress;
		1293
		1294	while (my ($k, $v) = each %todo) {
		1295	for (split /,\s*/, $v->{meta}{depends}) {
		1296	goto skip
		1297	unless exists $done{$_};
		1298	}
		1299
		1300	warn "... loading '$k' into '$v->{pkg}'\n";
		1301
		1302	unless (eval $v->{source}) {
		1303	my $msg = $@ ? "$v->{path}: $@\n"
		1304	: "$v->{base}: extension inactive.\n";
		1305
		1306	if (exists $v->{meta}{mandatory}) {
		1307	warn $msg;
		1308	warn "mandatory extension failed to load, exiting.\n";
		1309	exit 1;
		1310	}
		1311
		1312	warn $msg;
		1313	}
		1314
		1315	$done{$k} = delete $todo{$k};
		1316	push @EXTS, $v->{pkg};
		1317	$progress = 1;
928	1	1318	}
929	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
930	}	1324	};
931	}	1325	}
932		1326
933	#############################################################################	1327	#############################################################################
934		1328
		1329	=back
		1330
935	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
936		1332
937	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
938		1334
939	=cut	1335	=cut
…		…
944		1340
945	=head3 cf::player	1341	=head3 cf::player
946		1342
947	=over 4	1343	=over 4
948		1344
		1345	=item cf::player::num_playing
		1346
		1347	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1348
		1349	=cut
		1350
		1351	sub num_playing {
		1352	scalar grep
		1353	$_->ob->map
		1354	&& !$_->hidden
		1355	&& !$_->ob->flag (cf::FLAG_WIZ),
		1356	cf::player::list
		1357	}
		1358
949	=item cf::player::find $login	1359	=item cf::player::find $login
950		1360
951	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
952		1362
953	=cut	1363	=cut
954		1364
955	sub playerdir($) {	1365	sub playerdir($) {
956	cf::localdir	1366	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1367	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1368	}
962		1369
963	sub path($) {	1370	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1371	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1372
966	(playerdir $login) . "/$login.pl"	1373	(playerdir $login) . "/playerdata"
967	}	1374	}
968		1375
969	sub find_active($) {	1376	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1377	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1378	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1391	my $login = $_[0];
985		1392
986	my $guard = cf::lock_acquire "user_find:$login";	1393	my $guard = cf::lock_acquire "user_find:$login";
987		1394
988	$cf::PLAYER{$_[0]} || do {	1395	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1396	# rename old playerfiles to new ones
		1397	#TODO: remove when no longer required
		1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1401	aio_unlink +(playerdir $login) . "/$login.pl";
		1402
		1403	my $f = new_from_file cf::object::thawer path $login
990	or return;	1404	or return;
		1405
		1406	my $pl = cf::player::load_pl $f
		1407	or return;
		1408	local $cf::PLAYER_LOADING{$login} = $pl;
		1409	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
992	}	1411	}
993	}	1412	}
994	}	1413	}
995		1414
…		…
1005		1424
1006	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
1008		1427
1009	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
1010	Coro::cede;	1429	cf::cede_to_tick;
1011	}	1430	}
1012		1431
1013	sub new($) {	1432	sub new($) {
1014	my ($login) = @_;	1433	my ($login) = @_;
1015		1434
…		…
1019	$self->{deny_save} = 1;	1438	$self->{deny_save} = 1;
1020		1439
1021	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1022		1441
1023	$self	1442	$self
		1443	}
		1444
		1445	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1446
		1447	=cut
		1448
		1449	sub send_msg {
		1450	my $ns = shift->ns
		1451	or return;
		1452	$ns->send_msg (@_);
1024	}	1453	}
1025		1454
1026	=item $pl->quit_character	1455	=item $pl->quit_character
1027		1456
1028	Nukes the player without looking back. If logged in, the connection will	1457	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1506	while and may block, so not sync_job-capable, ever.
1078		1507
1079	=cut	1508	=cut
1080		1509
1081	sub list_logins {	1510	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1511	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1512	or return [];
1084		1513
1085	my @logins;	1514	my @logins;
1086		1515
1087	for my $login (@$dirs) {	1516	for my $login (@$dirs) {
		1517	my $path = path $login;
		1518
		1519	# a .pst is a dead give-away for a valid player
		1520	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1091		1525
1092	utf8::decode $login;	1526	utf8::decode $login;
1093	push @logins, $login;	1527	push @logins, $login;
1094	}	1528	}
1095		1529
…		…
1122	}	1556	}
1123		1557
1124	\@paths	1558	\@paths
1125	}	1559	}
1126		1560
		1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1562
		1563	Expand crossfire pod fragments into protocol xml.
		1564
		1565	=cut
		1566
		1567	use re 'eval';
		1568
		1569	my $group;
		1570	my $interior; $interior = qr{
		1571	# match a pod interior sequence sans C<< >>
		1572	(?:
		1573	\ (.*?)\ (?{ $group = $^N })
		1574	| < (??{$interior}) >
		1575	)
		1576	}x;
		1577
		1578	sub expand_cfpod {
		1579	my ($self, $pod) = @_;
		1580
		1581	my $xml;
		1582
		1583	while () {
		1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1585	$group = $1;
		1586
		1587	$group =~ s/&/&amp;/g;
		1588	$group =~ s/</&lt;/g;
		1589
		1590	$xml .= $group;
		1591	} elsif ($pod =~ m%\G
		1592	([BCGHITU])
		1593	<
		1594	(?:
		1595	([^<>]*) (?{ $group = $^N })
		1596	| < $interior >
		1597	)
		1598	>
		1599	%gcsx
		1600	) {
		1601	my ($code, $data) = ($1, $group);
		1602
		1603	if ($code eq "B") {
		1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1605	} elsif ($code eq "I") {
		1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1607	} elsif ($code eq "U") {
		1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1609	} elsif ($code eq "C") {
		1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1611	} elsif ($code eq "T") {
		1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1613	} elsif ($code eq "G") {
		1614	my ($male, $female) = split /\|/, $data;
		1615	$data = $self->gender ? $female : $male;
		1616	$xml .= expand_cfpod ($self, $data);
		1617	} elsif ($code eq "H") {
		1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1620	"")
		1621	[$self->{hintmode}];
		1622	} else {
		1623	$xml .= "error processing '$code($data)' directive";
		1624	}
		1625	} else {
		1626	if ($pod =~ /\G(.+)/) {
		1627	warn "parse error while expanding $pod (at $1)";
		1628	}
		1629	last;
		1630	}
		1631	}
		1632
		1633	for ($xml) {
		1634	# create single paragraphs (very hackish)
		1635	s/(?<=\S)\n(?=\w)/ /g;
		1636
		1637	# compress some whitespace
		1638	s/\s+\n/\n/g; # ws line-ends
		1639	s/\n\n+/\n/g; # double lines
		1640	s/^\n+//; # beginning lines
		1641	s/\n+$//; # ending lines
		1642	}
		1643
		1644	$xml
		1645	}
		1646
		1647	no re 'eval';
		1648
		1649	sub hintmode {
		1650	$_[0]{hintmode} = $_[1] if @_ > 1;
		1651	$_[0]{hintmode}
		1652	}
		1653
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1128		1655
1129	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1130		1657
1131	=cut	1658	=cut
1132		1659
1133	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1135		1662
1136	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1664	}
1140		1665
1141	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1142		1706
1143	=back	1707	=back
1144
1145		1708
1146	=head3 cf::map	1709	=head3 cf::map
1147		1710
1148	=over 4	1711	=over 4
1149		1712
…		…
1204	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1205		1768
1206	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1207	local $self->{path};	1770	local $self->{path};
1208	local $self->{load_path};	1771	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1772
1212	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1213	}	1774	}
1214		1775
1215	sub normalise {	1776	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1263	return $self;	1824	return $self;
1264	}	1825	}
1265	}	1826	}
1266		1827
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1829	()
1269	}	1830	}
1270		1831
1271	sub init {	1832	sub init {
1272	my ($self) = @_;	1833	my ($self) = @_;
…		…
1287		1848
1288	# the original (read-only) location	1849	# the original (read-only) location
1289	sub load_path {	1850	sub load_path {
1290	my ($self) = @_;	1851	my ($self) = @_;
1291		1852
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1293	}	1854	}
1294		1855
1295	# the temporary/swap location	1856	# the temporary/swap location
1296	sub save_path {	1857	sub save_path {
1297	my ($self) = @_;	1858	my ($self) = @_;
1298		1859
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1301	}	1862	}
1302		1863
1303	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1304	sub uniq_path {	1865	sub uniq_path {
1305	my ($self) = @_;	1866	my ($self) = @_;
1306		1867
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1309	}	1870	}
1310		1871
1311	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1312	# all maps in C++...	1873	# all maps in C++...
1313	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1315		1876
1316	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1318	}	1879	}
1319		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1320	sub unlink_save {	1889	sub unlink_save {
1321	my ($self) = @_;	1890	my ($self) = @_;
1322		1891
1323	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1896
1328	sub load_header_from($) {	1897	sub load_header_from($) {
1329	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1330		1899
1331	utf8::encode $path;	1900	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1337		1909
1338	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1339		1911
1340	1	1912	1
1341	}	1913	}
…		…
1380	$self->load_header_orig	1952	$self->load_header_orig
1381	or return;	1953	or return;
1382	$self->prepare_orig;	1954	$self->prepare_orig;
1383	}	1955	}
1384		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1385	1	1963	1
1386	}	1964	}
1387		1965
1388	sub find;	1966	sub find;
1389	sub find {	1967	sub find {
1390	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1391		1969
1392	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1393		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1395		1974
1396	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	1976	my $guard1 = cf::lock_acquire "map_find:$path";
		1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1978
1398	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1399	or return;	1980	or return;
1400		1981
1401	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1402		1983
1403	$map->load_header	1984	$map->load_header
1404	or return;	1985	or return;
1405		1986
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1409	$map->reset;	1992	$map->reset;
1410	undef $guard;
1411	return find $path;	1993	return find $path;
1412	}	1994	}
1413		1995
1414	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1415	}	1997	}
…		…
1422	my ($self) = @_;	2004	my ($self) = @_;
1423		2005
1424	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1425		2007
1426	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1428		2012
		2013	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2015
1431	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1432		2017
1433	$self->alloc;	2018	$self->alloc;
1434		2019
1435	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1436		2022
1437	$self->_load_objects ($self->{load_path}, 1)	2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1438	or return;	2026	or return;
1439		2027
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	2029	if delete $self->{load_original};
1442		2030
1443	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2032	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2035	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1448	}	2039	}
1449	}	2040	}
1450		2041
1451	Coro::cede;	2042	$f->resolve_delayed_derefs;
1452		2043
		2044	cf::cede_to_tick;
1453	# now do the right thing for maps	2045	# now do the right thing for maps
1454	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2048	unless $self->difficulty;
1464	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1465	$self->activate;	2058	$self->activate;
		2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
		2064	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	2065	}
1467		2066
1468	$self->post_load;	2067	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2068	}
1472		2069
1473	sub customise_for {	2070	sub customise_for {
1474	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1475		2072
1476	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2074	if $self->per_player;
1478		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1479	$self	2079	$self
1480	}	2080	}
1481		2081
1482	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2083	sub load_neighbours {
1484	my ($map) = @_;	2084	my ($map) = @_;
1485		2085
1486	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1487		2087
1488	for (0 .. 3) {	2088	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1490	or next;	2090	or next;
1491	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1492	or next;	2092	or next;
1493	$neigh->load;	2093	$neigh->load;
1494		2094
		2095	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2098	}
1498		2099
1499	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1501	or next;	2103	or next;
1502	$neigh->load;	2104	$neigh->load;
1503	}	2105	}
1504	}	2106	}
1505		2107
…		…
1510	}	2112	}
1511		2113
1512	sub do_load_sync {	2114	sub do_load_sync {
1513	my ($map) = @_;	2115	my ($map) = @_;
1514		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1515	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1516	}	2121	}
1517		2122
1518	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1520		2125
1521	sub find_async {	2126	sub find_async {
1522	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1523		2128
1524	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1525		2130
1526	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2133	}
1529		2134
1530	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1531	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1532	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2142	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2143	$map->load if $v;
		2144	}
1537		2145
1538	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1539	}	2147	}
1540	}	2148	}
1541	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1542	};	2150	};
1543	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2154	}
1547		2155
1548	sub save {	2156	sub save {
1549	my ($self) = @_;	2157	my ($self) = @_;
1550		2158
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2160
1553	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1554		2162
1555	return unless $self->dirty;	2163	return unless $self->dirty;
1556		2164
…		…
1562	return if $self->{deny_save};	2170	return if $self->{deny_save};
1563		2171
1564	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1565		2173
1566	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1568	};	2177	};
1569		2178
1570	if ($uniq) {	2179	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1579	my ($self) = @_;	2188	my ($self) = @_;
1580		2189
1581	# save first because save cedes	2190	# save first because save cedes
1582	$self->save;	2191	$self->save;
1583		2192
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2194
1586	return if $self->players;	2195	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2197	return if $self->{deny_save};
1589		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2203	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2204	}
1593		2205
1594	sub reset_at {	2206	sub reset_at {
1595	my ($self) = @_;	2207	my ($self) = @_;
1596		2208
1597	# TODO: safety, remove and allow resettable per-player maps	2209	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2210	return 1e99 if $self->{deny_reset};
1600		2211
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2214
…		…
1614	my ($self) = @_;	2225	my ($self) = @_;
1615		2226
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2228
1618	return if $self->players;	2229	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2230
1621	warn "resetting map ", $self->path;#d#	2231	warn "resetting map ", $self->path;
1622		2232
1623	$self->in_memory (cf::MAP_SWAPPED);	2233	$self->in_memory (cf::MAP_SWAPPED);
1624		2234
1625	# need to save uniques path	2235	# need to save uniques path
1626	unless ($self->{deny_save}) {	2236	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2240	if $uniq;
1631	}	2241	}
1632		2242
1633	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1634		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2247	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2248
1639	$self->unlink_save;	2249	$self->unlink_save;
1640	$self->destroy;	2250	$self->destroy;
1641	}	2251	}
1642		2252
1643	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1644		2254
1645	sub nuke {	2255	sub nuke {
1646	my ($self) = @_;	2256	my ($self) = @_;
1647		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1648	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1649		2262
1650	$self->unlink_save;	2263	$self->unlink_save;
1651		2264
1652	bless $self, "cf::map";	2265	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2270
1658	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1659		2273
1660	$self->reset; # polite request, might not happen	2274	$self->reset; # polite request, might not happen
		2275	}
		2276
		2277	=item $maps = cf::map::tmp_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	maps. May block.
		2281
		2282	=cut
		2283
		2284	sub tmp_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise $_
		2290	: ()
		2291	} @{ aio_readdir $TMPDIR or [] }
		2292	]
		2293	}
		2294
		2295	=item $maps = cf::map::random_maps
		2296
		2297	Returns an arrayref with all map paths of currently instantiated and saved
		2298	random maps. May block.
		2299
		2300	=cut
		2301
		2302	sub random_maps() {
		2303	[
		2304	map {
		2305	utf8::decode $_;
		2306	/\.map$/
		2307	? normalise "?random/$_"
		2308	: ()
		2309	} @{ aio_readdir $RANDOMDIR or [] }
		2310	]
1661	}	2311	}
1662		2312
1663	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1664		2314
1665	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2316	instantiated unique items. May block.
1667		2317
1668	=cut	2318	=cut
1669		2319
1670	sub unique_maps() {	2320	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2321	[
1672	or return;	2322	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2323	utf8::decode $_;
1678	next if /\.pst$/;	2324	/\.map$/
1679	next unless /^$PATH_SEP/o;	2325	? normalise $_
1680		2326	: ()
1681	push @paths, cf::map::normalise $_;	2327	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2328	]
1683
1684	\@paths
1685	}	2329	}
1686		2330
1687	package cf;	2331	package cf;
1688		2332
1689	=back	2333	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1708	}	2352	}
1709		2353
1710	sub inv_recursive {	2354	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2355	inv_recursive_ inv $_[0]
		2356	}
		2357
		2358	=item $ref = $ob->ref
		2359
		2360	creates and returns a persistent reference to an objetc that can be stored as a string.
		2361
		2362	=item $ob = cf::object::deref ($refstring)
		2363
		2364	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2365	even if the object actually exists. May block.
		2366
		2367	=cut
		2368
		2369	sub deref {
		2370	my ($ref) = @_;
		2371
		2372	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2373	my ($uuid, $name) = ($1, $2);
		2374	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2375	or return;
		2376	$pl->ob->uuid eq $uuid
		2377	or return;
		2378
		2379	$pl->ob
		2380	} else {
		2381	warn "$ref: cannot resolve object reference\n";
		2382	undef
		2383	}
1712	}	2384	}
1713		2385
1714	package cf;	2386	package cf;
1715		2387
1716	=back	2388	=back
…		…
1735		2407
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2409
1738	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1740	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1743	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1744	}	2435	}
1745		2436
1746	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1747		2438
1748	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2486	$self->deactivate_recursive;
1796		2487
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2488	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2489
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2491	if $self->map && $self->map->{path} ne "{link}";
1801		2492
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2494	}
1804		2495
1805	sub cf::object::player::leave_link {	2496	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2497	my ($self, $map, $x, $y) = @_;
		2498
		2499	return unless $self->contr->active;
1807		2500
1808	my $link_pos = delete $self->{_link_pos};	2501	my $link_pos = delete $self->{_link_pos};
1809		2502
1810	unless ($map) {	2503	unless ($map) {
1811	# restore original map position	2504	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1828		2521
1829	$map->load;	2522	$map->load;
1830	$map->load_diag;	2523	$map->load_neighbours;
1831		2524
1832	return unless $self->contr->active;	2525	return unless $self->contr->active;
1833	$self->activate_recursive;	2526	$self->activate_recursive;
1834		2527
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1837	}	2530	}
1838		2531
1839	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2533
1843	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1847	};	2538	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2539
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2540	=cut
		2541
		2542	our $GOTOGEN;
1874		2543
1875	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2545	my ($self, $path, $x, $y, $check, $done) = @_;
		2546
		2547	# do generation counting so two concurrent goto's will be executed in-order
		2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2549
1878	$self->enter_link;	2550	$self->enter_link;
1879		2551
1880	(async {	2552	(async {
		2553	$Coro::current->{desc} = "player::goto $path $x $y";
		2554
		2555	# *tag paths override both path and x|y
		2556	if ($path =~ /^\*(.*)$/) {
		2557	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2558	my $ob = $obs[rand @obs];
		2559
		2560	# see if we actually can go there
		2561	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2562	$ob = $obs[rand @obs];
		2563	} else {
		2564	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566	# else put us there anyways for now #d#
		2567
		2568	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2569	} else {
		2570	($path, $x, $y) = (undef, undef, undef);
		2571	}
		2572	}
		2573
1881	my $map = eval {	2574	my $map = eval {
1882	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
		2576
		2577	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2578	$map = $map->customise_for ($self);
		2579	$map = $check->($map) if $check && $map;
		2580	} else {
		2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583
1884	$map	2584	$map
		2585	};
		2586
		2587	if ($@) {
		2588	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2590	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2591
		2592	if ($gen == $self->{_goto_generation}) {
		2593	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
		2595	}
		2596
		2597	$done->() if $done;
1889	})->prio (1);	2598	})->prio (1);
1890	}	2599	}
1891		2600
1892	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
1893		2602
…		…
1930	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
1931	}	2640	}
1932		2641
1933	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
1934		2643
1935	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
1938		2647
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2650	undef $fh;
1942	aio_rename "$meta~", $meta;	2651	aio_rename "$meta~", $meta;
…		…
1951		2660
1952	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
1953		2662
1954	if ($exit->slaying eq "/!") {	2663	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2664	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2665	# the problem is that $exit might not survive long enough
		2666	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2667	cf::sync_job { prepare_random_map $exit };
1957	}	2668	}
1958		2669
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2670	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
1962		2673
1963	$self->enter_link;	2674	$self->enter_link;
1964		2675
		2676	# if exit is damned, update players death & WoR home-position
		2677	$self->contr->savebed ($slaying, $hp, $sp)
		2678	if $exit->flag (FLAG_DAMNED);
		2679
1965	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
1966	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2684	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
1969		2686
1970	1;	2687	1;
1971	}) {	2688	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2689	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2690	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2691	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2692	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2693
1977	warn "ERROR in enter_exit: $@";	2694	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2695	$self->leave_link;
1979	}	2696	}
1980	})->prio (1);	2697	})->prio (1);
…		…
1993		2710
1994	sub cf::client::send_drawinfo {	2711	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2712	my ($self, $text, $flags) = @_;
1996		2713
1997	utf8::encode $text;	2714	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2716	}
2000		2717
		2718	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2719
		2720	Send a drawinfo or msg packet to the client, formatting the msg for the
		2721	client if neccessary. C<$type> should be a string identifying the type of
		2722	the message, with C<log> being the default. If C<$color> is negative, suppress
		2723	the message unless the client supports the msg packet.
		2724
		2725	=cut
		2726
		2727	# non-persistent channels (usually the info channel)
		2728	our %CHANNEL = (
		2729	"c/identify" => {
		2730	id => "infobox",
		2731	title => "Identify",
		2732	reply => undef,
		2733	tooltip => "Items recently identified",
		2734	},
		2735	"c/examine" => {
		2736	id => "infobox",
		2737	title => "Examine",
		2738	reply => undef,
		2739	tooltip => "Signs and other items you examined",
		2740	},
		2741	"c/book" => {
		2742	id => "infobox",
		2743	title => "Book",
		2744	reply => undef,
		2745	tooltip => "The contents of a note or book",
		2746	},
		2747	"c/lookat" => {
		2748	id => "infobox",
		2749	title => "Look",
		2750	reply => undef,
		2751	tooltip => "What you saw there",
		2752	},
		2753	"c/who" => {
		2754	id => "infobox",
		2755	title => "Players",
		2756	reply => undef,
		2757	tooltip => "Shows players who are currently online",
		2758	},
		2759	"c/body" => {
		2760	id => "infobox",
		2761	title => "Body Parts",
		2762	reply => undef,
		2763	tooltip => "Shows which body parts you posess and are available",
		2764	},
		2765	"c/uptime" => {
		2766	id => "infobox",
		2767	title => "Uptime",
		2768	reply => undef,
		2769	tooltip => "How long the server has been running since last restart",
		2770	},
		2771	"c/mapinfo" => {
		2772	id => "infobox",
		2773	title => "Map Info",
		2774	reply => undef,
		2775	tooltip => "Information related to the maps",
		2776	},
		2777	);
		2778
		2779	sub cf::client::send_msg {
		2780	my ($self, $channel, $msg, $color, @extra) = @_;
		2781
		2782	$msg = $self->pl->expand_cfpod ($msg);
		2783
		2784	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2785
		2786	# check predefined channels, for the benefit of C
		2787	if ($CHANNEL{$channel}) {
		2788	$channel = $CHANNEL{$channel};
		2789
		2790	$self->ext_msg (channel_info => $channel)
		2791	if $self->can_msg;
		2792
		2793	$channel = $channel->{id};
		2794
		2795	} elsif (ref $channel) {
		2796	# send meta info to client, if not yet sent
		2797	unless (exists $self->{channel}{$channel->{id}}) {
		2798	$self->{channel}{$channel->{id}} = $channel;
		2799	$self->ext_msg (channel_info => $channel)
		2800	if $self->can_msg;
		2801	}
		2802
		2803	$channel = $channel->{id};
		2804	}
		2805
		2806	return unless @extra || length $msg;
		2807
		2808	if ($self->can_msg) {
		2809	# default colour, mask it out
		2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2811	if $color & cf::NDI_DEF;
		2812
		2813	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2815	} else {
		2816	if ($color >= 0) {
		2817	# replace some tags by gcfclient-compatible ones
		2818	for ($msg) {
		2819	1 while
		2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2825	}
		2826
		2827	$color &= cf::NDI_COLOR_MASK;
		2828
		2829	utf8::encode $msg;
		2830
		2831	if (0 && $msg =~ /\[/) {
		2832	# COMMAND/INFO
		2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2834	} else {
		2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2836	$self->send_packet ("drawinfo $color $msg")
		2837	}
		2838	}
		2839	}
		2840	}
		2841
		2842	=item $client->ext_msg ($type, @msg)
		2843
		2844	Sends an ext event to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_msg($$@) {
		2849	my ($self, $type, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
		2854	push @msg, msgtype => "event_$type";
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2856	}
		2857	}
		2858
		2859	=item $client->ext_reply ($msgid, @msg)
		2860
		2861	Sends an ext reply to the client.
		2862
		2863	=cut
		2864
		2865	sub cf::client::ext_reply($$@) {
		2866	my ($self, $id, @msg) = @_;
		2867
		2868	if ($self->extcmd == 2) {
		2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2870	} elsif ($self->extcmd == 1) {
		2871	#TODO: version 1, remove
		2872	unshift @msg, msgtype => "reply", msgid => $id;
		2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2874	}
		2875	}
2001		2876
2002	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
2003		2878
2004	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2882
2008	Queries can fail, so check the return code. Or don't, as queries will become	2883	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2884	become reliable at some point in the future.
2010		2885
2011	=cut	2886	=cut
2012		2887
2013	sub cf::client::query {	2888	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2897	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2899
2025	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2027	}	2904	}
2028		2905
2029	cf::client->attach (	2906	cf::client->attach (
		2907	on_connect => sub {
		2908	my ($ns) = @_;
		2909
		2910	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2911	},
2030	on_reply => sub {	2912	on_reply => sub {
2031	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2032		2914
2033	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2034	# get handled first	2916	# get handled first
…		…
2046	} else {	2928	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2930	}
2049	}	2931	}
2050	},	2932	},
		2933	on_exticmd => sub {
		2934	my ($ns, $buf) = @_;
		2935
		2936	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2937
		2938	if (ref $msg) {
		2939	my ($type, $reply, @payload) =
		2940	"ARRAY" eq ref $msg
		2941	? @$msg
		2942	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2943
		2944	my @reply;
		2945
		2946	if (my $cb = $EXTICMD{$type}) {
		2947	@reply = $cb->($ns, @payload);
		2948	}
		2949
		2950	$ns->ext_reply ($reply, @reply)
		2951	if $reply;
		2952
		2953	} else {
		2954	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2955	}
		2956
		2957	cf::override;
		2958	},
2051	);	2959	);
2052		2960
2053	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2054		2962
2055	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2098		3006
2099	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2100		3008
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3009	$safe->permit_only (Opcode::opset qw(
		3010	:base_core :base_mem :base_orig :base_math
		3011	grepstart grepwhile mapstart mapwhile
		3012	sort time
		3013	));
2102		3014
2103	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2104		3016
2105	=pod	3017	=pod
2106		3018
2107	The following fucntions and emthods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2108		3020
2109	cf::object contr pay_amount pay_player map	3021	cf::object
		3022	contr pay_amount pay_player map x y force_find force_add destroy
		3023	insert remove name archname title slaying race decrease_ob_nr
		3024
2110	cf::object::player player	3025	cf::object::player
2111	cf::player peaceful	3026	player
2112	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2113		3033
2114	=cut	3034	=cut
2115		3035
2116	for (	3036	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3038	insert remove inv name archname title slaying race
		3039	decrease_ob_nr destroy)],
2118	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2121	) {	3043	) {
2122	no strict 'refs';	3044	no strict 'refs';
…		…
2193	=back	3115	=back
2194		3116
2195	=cut	3117	=cut
2196		3118
2197	#############################################################################	3119	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3120	# the server's init and main functions
2271		3121
2272	sub load_faces {	3122	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3123	my ($path) = @_;
2274		3124
		3125	# HACK to clear player env face cache, we need some signal framework
		3126	# for this (global event?)
		3127	%ext::player_env::MUSIC_FACE_CACHE = ();
		3128
		3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3130
2275	warn "loading faces from $path\n";	3131	warn "loading facedata from $path\n";
2276		3132
2277	my $faces;	3133	my $facedata;
2278	0 < aio_load $path, $faces	3134	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3135	or die "$path: $!";
2280		3136
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3137	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3138
		3139	$facedata->{version} == 2
		3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3141
		3142	# patch in the exptable
		3143	$facedata->{resource}{"res/exp_table"} = {
		3144	type => FT_RSRC,
		3145	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3146	};
		3147	cf::cede_to_tick;
		3148
		3149	{
		3150	my $faces = $facedata->{faceinfo};
		3151
2285	while (my ($face, $info) = each %$faces) {	3152	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3154	cf::face::set_visibility $idx, $info->{visibility};
		3155	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3158
		3159	cf::cede_to_tick;
		3160	}
		3161
		3162	while (my ($face, $info) = each %$faces) {
		3163	next unless $info->{smooth};
		3164	my $idx = cf::face::find $face
		3165	or next;
		3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
		3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3169	} else {
		3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3171	}
		3172
		3173	cf::cede_to_tick;
		3174	}
		3175	}
		3176
		3177	{
		3178	my $anims = $facedata->{animinfo};
		3179
		3180	while (my ($anim, $info) = each %$anims) {
		3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3182	cf::cede_to_tick;
		3183	}
		3184
		3185	cf::anim::invalidate_all; # d'oh
		3186	}
		3187
		3188	{
		3189	# TODO: for gcfclient pleasure, we should give resources
		3190	# that gcfclient doesn't grok a >10000 face index.
		3191	my $res = $facedata->{resource};
		3192
		3193	my $soundconf = delete $res->{"res/sound.conf"};
		3194
		3195	while (my ($name, $info) = each %$res) {
		3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3197	my $data;
		3198
		3199	if ($info->{type} & 1) {
		3200	# prepend meta info
		3201
		3202	my $meta = $enc->encode ({
		3203	name => $name,
		3204	%{ $info->{meta} || {} },
		3205	});
		3206
		3207	$data = pack "(w/a*)*", $meta, $info->{data};
		3208	} else {
		3209	$data = $info->{data};
		3210	}
		3211
		3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3213	cf::face::set_type $idx, $info->{type};
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
		3218	if ($soundconf) {
		3219	$soundconf = $enc->decode (delete $soundconf->{data});
		3220
		3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3222	my $sound = $soundconf->{compat}[$_]
		3223	or next;
		3224
		3225	my $face = cf::face::find "sound/$sound->[1]";
		3226	cf::sound::set $sound->[0] => $face;
		3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3228	}
		3229
		3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3231	my $face = cf::face::find "sound/$v";
		3232	cf::sound::set $k => $face;
		3233	}
		3234	}
2290	}	3235	}
2291		3236
2292	1	3237	1
2293	}	3238	}
2294		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
		3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
		3253	load_resource_file "$MAPDIR/regions"
		3254	or die "unable to load regions file\n";
		3255
		3256	for (cf::region::list) {
		3257	$_->{match} = qr/$_->{match}/
		3258	if exists $_->{match};
		3259	}
		3260	}
		3261
		3262	sub reload_facedata {
		3263	load_facedata "$DATADIR/facedata"
		3264	or die "unable to load facedata\n";
		3265	}
		3266
		3267	sub reload_archetypes {
		3268	load_resource_file "$DATADIR/archetypes"
		3269	or die "unable to load archetypes\n";
		3270	#d# NEED to laod twice to resolve forward references
		3271	# this really needs to be done in an extra post-pass
		3272	# (which needs to be synchronous, so solve it differently)
		3273	load_resource_file "$DATADIR/archetypes"
		3274	or die "unable to load archetypes\n";
		3275	}
		3276
		3277	sub reload_treasures {
		3278	load_resource_file "$DATADIR/treasures"
		3279	or die "unable to load treasurelists\n";
		3280	}
		3281
2295	sub reload_resources {	3282	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3283	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3284
		3285	reload_regions;
2298	load_faces	3286	reload_facedata;
2299	or die "unable to load faces\n";#d#	3287	#reload_archetypes;#d#
		3288	reload_archetypes;
		3289	reload_treasures;
		3290
		3291	warn "finished reloading resource files\n";
2300	}	3292	}
2301		3293
2302	sub init {	3294	sub init {
2303	reload_resources;	3295	reload_resources;
2304	}	3296	}
2305		3297
2306	sub cfg_load {	3298	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3300	or return;
2309		3301
2310	local $/;	3302	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
2312		3304
…		…
2327	sub main {	3319	sub main {
2328	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3323	(async {
2332	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2334	};	3327	};
2335		3328
2336	cfg_load;	3329	reload_config;
2337	db_init;	3330	db_init;
2338	load_extensions;	3331	load_extensions;
2339		3332
2340	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2341	Event::loop;	3335	EV::loop;
2342	}	3336	}
2343		3337
2344	#############################################################################	3338	#############################################################################
2345	# initialisation and cleanup	3339	# initialisation and cleanup
2346		3340
2347	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2348	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2357	},
2358	);	3347	};
		3348	}
		3349	}
		3350
		3351	sub write_runtime {
		3352	my $runtime = "$LOCALDIR/runtime";
		3353
		3354	# first touch the runtime file to show we are still running:
		3355	# the fsync below can take a very very long time.
		3356
		3357	IO::AIO::aio_utime $runtime, undef, undef;
		3358
		3359	my $guard = cf::lock_acquire "write_runtime";
		3360
		3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3362	or return;
		3363
		3364	my $value = $cf::RUNTIME + 90 + 10;
		3365	# 10 is the runtime save interval, for a monotonic clock
		3366	# 60 allows for the watchdog to kill the server.
		3367
		3368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3369	and return;
		3370
		3371	# always fsync - this file is important
		3372	aio_fsync $fh
		3373	and return;
		3374
		3375	# touch it again to show we are up-to-date
		3376	aio_utime $fh, undef, undef;
		3377
		3378	close $fh
		3379	or return;
		3380
		3381	aio_rename "$runtime~", $runtime
		3382	and return;
		3383
		3384	warn "runtime file written.\n";
		3385
2359	}	3386	1
2360	}	3387	}
2361		3388
2362	sub emergency_save() {	3389	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2364		3391
…		…
2370	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3403	$pl->save;
2376	}	3404	}
2377	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2378		3406
2379	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2397		3425
2398	warn Carp::longmess "post_cleanup backtrace"	3426	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3427	if $make_core;
2400	}	3428	}
2401		3429
2402	sub reload() {	3430	sub do_reload_perl() {
2403	# can/must only be called in main	3431	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3432	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3433	warn "can only reload from main coroutine";
2406	return;	3434	return;
2407	}	3435	}
…		…
2418	warn "syncing database to disk";	3446	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3448
2421	# if anything goes wrong in here, we should simply crash as we already saved	3449	# if anything goes wrong in here, we should simply crash as we already saved
2422		3450
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2429	for (;;) {	3452	for (;;) {
2430	BDB::flush;	3453	BDB::flush;
2431	IO::AIO::flush;	3454	IO::AIO::flush;
2432	Coro::cede;	3455	Coro::cede_notself;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";	3457	warn "iterate...";
2435	}	3458	}
2436		3459
2437	++$RELOAD;	3460	++$RELOAD;
…		…
2441	%EXT_CORO = ();	3464	%EXT_CORO = ();
2442		3465
2443	warn "removing commands";	3466	warn "removing commands";
2444	%COMMAND = ();	3467	%COMMAND = ();
2445		3468
2446	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2448		3472
2449	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2452		3476
…		…
2482	Symbol::delete_package "safe::$_"	3506	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3507	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3508
2485	warn "unloading cf.pm \"a bit\"";	3509	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3510	delete $INC{"cf.pm"};
		3511	delete $INC{"cf/pod.pm"};
2487		3512
2488	# don't, removes xs symbols, too,	3513	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3514	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3515	#Symbol::delete_package __PACKAGE__;
2491		3516
…		…
2494	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2495	require cf;	3520	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3522
2498	warn "loading config and database again";	3523	warn "loading config and database again";
2499	cf::cfg_load;	3524	cf::reload_config;
2500		3525
2501	warn "loading extensions";	3526	warn "loading extensions";
2502	cf::load_extensions;	3527	cf::load_extensions;
2503		3528
2504	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3531	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3532	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3533	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3534	reattach $_ for values %PLAYER;
2510		3535
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3536	warn "leaving sync_job";
2515		3537
2516	1	3538	1
2517	} or do {	3539	} or do {
2518	warn $@;	3540	warn $@;
…		…
2523	warn "reloaded";	3545	warn "reloaded";
2524	};	3546	};
2525		3547
2526	our $RELOAD_WATCHER; # used only during reload	3548	our $RELOAD_WATCHER; # used only during reload
2527		3549
		3550	sub reload_perl() {
		3551	# doing reload synchronously and two reloads happen back-to-back,
		3552	# coro crashes during coro_state_free->destroy here.
		3553
		3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3555	undef $RELOAD_WATCHER;
		3556	do_reload_perl;
		3557	};
		3558	}
		3559
2528	register_command "reload" => sub {	3560	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2530		3562
2531	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
2533		3565	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3566	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3567	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3568	};
2546	}	3569	}
2547	};	3570	};
2548		3571
2549	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2550		3573
2551	my $bug_warning = 0;	3574	my $bug_warning = 0;
2552		3575
2553	$TICK_WATCHER = Event->timer (	3576	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3577	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3578
2556	prio => 0,	3579	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3580	return unless $TICK_WATCHER->is_active;
2558	data => WF_AUTOCANCEL,	3581	return if $Coro::current == $Coro::main;
2559	cb => sub {	3582
		3583	my $signal = new Coro::Signal;
		3584	push @WAIT_FOR_TICK, $signal;
		3585	$signal->wait;
		3586	}
		3587
		3588	sub wait_for_tick_begin {
		3589	return unless $TICK_WATCHER->is_active;
		3590	return if $Coro::current == $Coro::main;
		3591
		3592	my $signal = new Coro::Signal;
		3593	push @WAIT_FOR_TICK_BEGIN, $signal;
		3594	$signal->wait;
		3595	}
		3596
		3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2560	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2563	return;	3601	return;
2564	}	3602	}
2565		3603
2566	$NOW = Event::time;	3604	$NOW = $tick_start = EV::now;
2567		3605
2568	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
		3607
2569	$RUNTIME += $TICK;	3608	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3609	$NEXT_TICK += $TICK;
2571		3610
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3613	Coro::async_pool {
		3614	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3615	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3616	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3617	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3618	}
2592	);	3619
		3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3621	$sig->send;
		3622	}
		3623	while (my $sig = shift @WAIT_FOR_TICK) {
		3624	$sig->send;
		3625	}
		3626
		3627	$LOAD = ($NOW - $tick_start) / $TICK;
		3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3629
		3630	_post_tick;
		3631	};
		3632	$TICK_WATCHER->priority (EV::MAXPRI);
2593		3633
2594	{	3634	{
2595	BDB::max_poll_time $TICK * 0.1;	3635	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3636
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
2605		3638	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3639	$Coro::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3640
2621	unless ($DB_ENV) {	3641	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3642	$DB_ENV = BDB::db_env_create;
		3643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3644	| BDB::LOG_AUTOREMOVE, 1);
		3645	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3646	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3647
2624	cf::sync_job {	3648	cf::sync_job {
2625	eval {	3649	eval {
2626	BDB::db_env_open	3650	BDB::db_env_open
2627	$DB_ENV,	3651	$DB_ENV,
2628	$BDB_ENV_DIR,	3652	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3653	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3654	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3655	0666;
2632		3656
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3657	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3658	};
2638		3659
2639	cf::cleanup "db_env_open(db): $@" if $@;	3660	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3661	};
2641	}	3662	}
		3663
		3664	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3665	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3666	};
		3667	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3668	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3669	};
		3670	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3671	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3672	};
2642	}	3673	}
2643		3674
2644	{	3675	{
		3676	# configure IO::AIO
		3677
2645	IO::AIO::min_parallel 8;	3678	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3679	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3680	$Coro::AIO::WATCHER->priority (1);
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3681	}
		3682
		3683	my $_log_backtrace;
		3684
		3685	sub _log_backtrace {
		3686	my ($msg, @addr) = @_;
		3687
		3688	$msg =~ s/\n//;
		3689
		3690	# limit the # of concurrent backtraces
		3691	if ($_log_backtrace < 2) {
		3692	++$_log_backtrace;
		3693	async {
		3694	$Coro::current->{desc} = "abt $msg";
		3695
		3696	my @bt = fork_call {
		3697	@addr = map { sprintf "%x", $_ } @addr;
		3698	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3699	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3700	or die "addr2line: $!";
		3701
		3702	my @funcs;
		3703	my @res = <$fh>;
		3704	chomp for @res;
		3705	while (@res) {
		3706	my ($func, $line) = splice @res, 0, 2, ();
		3707	push @funcs, "[$func] $line";
		3708	}
		3709
		3710	@funcs
		3711	};
		3712
		3713	LOG llevInfo, "[ABT] $msg\n";
		3714	LOG llevInfo, "[ABT] $_\n" for @bt;
		3715	--$_log_backtrace;
		3716	};
		3717	} else {
		3718	LOG llevInfo, "[ABT] $msg\n";
		3719	LOG llevInfo, "[ABT] [suppressed]\n";
		3720	}
		3721	}
		3722
		3723	# load additional modules
		3724	use cf::pod;
2658		3725
2659	END { cf::emergency_save }	3726	END { cf::emergency_save }
2660		3727
2661	1	3728	1
2662		3729

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