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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
87		120
88	sub cf::map::normalise;	121	sub cf::map::normalise;
89		122
…		…
100	=item $cf::RUNTIME	133	=item $cf::RUNTIME
101		134
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	136	every server tick.
104		137
105	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		141
107	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
109		146
110	=item $cf::NOW	147	=item $cf::NOW
111		148
112	The time of the last (current) server tick.	149	The time of the last (current) server tick.
113		150
114	=item $cf::TICK	151	=item $cf::TICK
115		152
116	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
117		164
118	=item %cf::CFG	165	=item %cf::CFG
119		166
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	168	from wherever your confdir points to.
122		169
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		171
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
129		181
130	=back	182	=back
131		183
132	=cut	184	=cut
133		185
134	BEGIN {	186	BEGIN {
135	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	188	my $msg = join "", @_;
137	utf8::encode $msg;
138		189
139	$msg .= "\n"	190	$msg .= "\n"
140	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
141		194
142	LOG llevError, $msg;	195	LOG llevError, $msg;
143	};	196	};
144	}	197	}
145		198
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		206
153	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	208	# within the Safe compartment.
155	for my $pkg (qw(	209	for my $pkg (qw(
156	cf::global cf::attachable	210	cf::global cf::attachable
…		…
164	}	218	}
165		219
166	$Event::DIED = sub {	220	$Event::DIED = sub {
167	warn "error in event callback: @_";	221	warn "error in event callback: @_";
168	};	222	};
		223
		224	#############################################################################
169		225
170	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
171		227
172	=over 4	228	=over 4
173		229
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	249	$d
194	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
195	}	251	}
196		252
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
200		254
201	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
202		256
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
211		258
212	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
213		260
214	=cut	261	=cut
215		262
216	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
218	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
261	}	323	}
262		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
266	my $guard = Coro::guard {	334	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	336	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
273	}	397	}
274		398
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
290		415
291	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
305	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	435	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
308		437
309	my $busy = 1;	438	my $busy = 1;
310	my @res;	439	my @res;
311		440
312	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	443	@res = eval { $job->() };
314	warn $@ if $@;	444	warn $@ if $@;
315	undef $busy;	445	undef $busy;
316	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
317		447
318	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
319	Coro::cede or Event::one_event;	452	Event::one_event;
320	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
321		462
322	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
323	} else {	464	} else {
324	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
325		466
…		…
345	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
346		487
347	$coro	488	$coro
348	}	489	}
349		490
350	sub write_runtime {	491	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		492
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
354	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
355		497
356	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		499
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
361	and return;	501	my ($cb, @args) = @_;
362		502
363	aio_fsync $fh	503	# we seemingly have to make a local copy of the whole thing,
364	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
365		506
366	close $fh	507	my @res = Coro::Util::fork_eval {
367	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
368		511
369	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
370	and return;	513	}
371		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
372	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	651	}
374		652
375	=back	653	=back
376		654
377	=cut	655	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
386		664
387	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	667	Crossfire TRT).
390		668
391	=over 4	669	=over 4
392		670
393	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
394		672
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
558		836
559	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		841
564	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	843	my $pkg = shift @arg;
566		844
567	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
597	}	875	}
598		876
599	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
600	} else {	878	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	880	}
603		881
604	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
605	}	883	}
606		884
…		…
608	if (ref $_[0]) {	886	if (ref $_[0]) {
609	_object_attach @_;	887	_object_attach @_;
610	} else {	888	} else {
611	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
612	}	890	}
		891	_recalc_want;
613	};	892	};
614		893
615	# all those should be optimised	894	# all those should be optimised
616	sub cf::attachable::detach {	895	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
621	reattach ($obj);	900	reattach ($obj);
622	} else {	901	} else {
623	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
624	}	903	}
		904	_recalc_want;
625	};	905	};
626		906
627	sub cf::attachable::attached {	907	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
629		909
…		…
644	";	924	";
645	die if $@;	925	die if $@;
646	}	926	}
647		927
648	our $override;	928	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		930
651	sub override {	931	sub override {
652	$override = 1;	932	$override = 1;
653	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
654	}	934	}
655		935
656	sub do_invoke {	936	sub do_invoke {
657	my $event = shift;	937	my $event = shift;
658	my $callbacks = shift;	938	my $callbacks = shift;
659		939
660	@invoke_results = ();	940	@INVOKE_RESULTS = ();
661		941
662	local $override;	942	local $override;
663		943
664	for (@$callbacks) {	944	for (@$callbacks) {
665	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
682		962
683	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
684		964
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		968
689	=back	969	=back
690		970
691	=cut	971	=cut
692		972
693	#############################################################################	973	#############################################################################
694	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
695		1017
696	sub reattach {	1018	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1020	my ($obj) = @_;
699		1021
…		…
746	sub object_freezer_save {	1068	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
748		1070
749	sync_job {	1071	sync_job {
750	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
753		1076
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1081	close $fh;
759		1082
760	if (@$objs) {	1083	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1089	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
768	}	1091	}
769	} else {	1092	} else {
770	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
776	}	1099	}
777	} else {	1100	} else {
778	aio_unlink $filename;	1101	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
780	}	1103	}
781	}	1104	};
782	}	1105	}
783		1106
784	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
786		1109
…		…
798	or return;	1121	or return;
799		1122
800	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
802	or return;	1125	or return;
		1126
803	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
804	}	1129	}
805		1130
		1131	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
808	return ($data, $av);	1135	($data, $av)
809	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
810		1143
811	#############################################################################	1144	#############################################################################
812	# command handling &c	1145	# command handling &c
813		1146
814	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1161	}
829		1162
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1164
832	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
833		1170
834	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
835	called.	1172	called.
836		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
837	=cut	1185	=cut
838		1186
839	sub register_extcmd {	1187	sub register_extcmd {
840	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
841		1189
842	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
843	}	1197	}
844		1198
845	cf::player->attach (	1199	cf::player->attach (
846	on_command => sub {	1200	on_command => sub {
847	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1210	cf::override;
857	},	1211	},
858	on_extcmd => sub {	1212	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
860		1214
861	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1216
863	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
869	} else {	1232	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1234	}
872		1235
873	cf::override;	1236	cf::override;
874	},	1237	},
875	);	1238	);
876		1239
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
912	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1245	next unless -r $path;
914	eval {	1246
915	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
916	1	1304	}
917	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
918	}	1310	};
919	}	1311	}
920		1312
921	#############################################################################	1313	#############################################################################
922		1314
		1315	=back
		1316
923	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
924		1318
925	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
926		1320
927	=cut	1321	=cut
…		…
932		1326
933	=head3 cf::player	1327	=head3 cf::player
934		1328
935	=over 4	1329	=over 4
936		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
937	=item cf::player::find $login	1345	=item cf::player::find $login
938		1346
939	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
940		1348
941	=cut	1349	=cut
942		1350
943	sub playerdir($) {	1351	sub playerdir($) {
944	cf::localdir	1352	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1354	}
950		1355
951	sub path($) {	1356	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1358
954	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
955	}	1360	}
956		1361
957	sub find_active($) {	1362	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1377	my $login = $_[0];
973		1378
974	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
975		1380
976	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
978	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
980	}	1397	}
981	}	1398	}
982	}	1399	}
983		1400
…		…
993		1410
994	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
996		1413
997	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
998	Coro::cede;	1415	cf::cede_to_tick;
999	}	1416	}
1000		1417
1001	sub new($) {	1418	sub new($) {
1002	my ($login) = @_;	1419	my ($login) = @_;
1003		1420
…		…
1009	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1010		1427
1011	$self	1428	$self
1012	}	1429	}
1013		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1014	=item $pl->quit_character	1441	=item $pl->quit_character
1015		1442
1016	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1018		1445
1019	=cut	1446	=cut
1020		1447
1021	sub quit_character {	1448	sub quit_character {
1022	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1023		1452
1024	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1026		1455
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1037	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1038	}	1487	}
1039		1488
1040	=item cf::player::list_logins	1489	=item cf::player::list_logins
1041		1490
1042	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1044		1493
1045	=cut	1494	=cut
1046		1495
1047	sub list_logins {	1496	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1498	or return [];
1050		1499
1051	my @logins;	1500	my @logins;
1052		1501
1053	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1057		1511
1058	utf8::decode $login;	1512	utf8::decode $login;
1059	push @logins, $login;	1513	push @logins, $login;
1060	}	1514	}
1061		1515
…		…
1069		1523
1070	=cut	1524	=cut
1071		1525
1072	sub maps($) {	1526	sub maps($) {
1073	my ($pl) = @_;	1527	my ($pl) = @_;
		1528
		1529	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1530
1075	my $files = aio_readdir playerdir $pl	1531	my $files = aio_readdir playerdir $pl
1076	or return;	1532	or return;
1077		1533
1078	my @paths;	1534	my @paths;
…		…
1080	for (@$files) {	1536	for (@$files) {
1081	utf8::decode $_;	1537	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1538	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1539	next unless /^$PATH_SEP/o;
1084		1540
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1541	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1542	}
1087		1543
1088	\@paths	1544	\@paths
1089	}	1545	}
1090		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1092		1599
1093	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1094		1601
1095	=cut	1602	=cut
1096		1603
1097	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1099		1606
1100	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1608	}
1104		1609
1105	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1106		1650
1107	=back	1651	=back
1108
1109		1652
1110	=head3 cf::map	1653	=head3 cf::map
1111		1654
1112	=over 4	1655	=over 4
1113		1656
…		…
1168	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1169		1712
1170	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1171	local $self->{path};	1714	local $self->{path};
1172	local $self->{load_path};	1715	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1716
1176	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1177	}	1718	}
1178		1719
1179	sub normalise {	1720	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1227	return $self;	1768	return $self;
1228	}	1769	}
1229	}	1770	}
1230		1771
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1773	()
1233	}	1774	}
1234		1775
1235	sub init {	1776	sub init {
1236	my ($self) = @_;	1777	my ($self) = @_;
…		…
1251		1792
1252	# the original (read-only) location	1793	# the original (read-only) location
1253	sub load_path {	1794	sub load_path {
1254	my ($self) = @_;	1795	my ($self) = @_;
1255		1796
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1257	}	1798	}
1258		1799
1259	# the temporary/swap location	1800	# the temporary/swap location
1260	sub save_path {	1801	sub save_path {
1261	my ($self) = @_;	1802	my ($self) = @_;
1262		1803
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1265	}	1806	}
1266		1807
1267	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1268	sub uniq_path {	1809	sub uniq_path {
1269	my ($self) = @_;	1810	my ($self) = @_;
1270		1811
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1273	}	1814	}
1274		1815
1275	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1276	# all maps in C++...	1817	# all maps in C++...
1277	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1279		1820
1280	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1282	}	1823	}
1283		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1284	sub unlink_save {	1833	sub unlink_save {
1285	my ($self) = @_;	1834	my ($self) = @_;
1286		1835
1287	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1840
1292	sub load_header_from($) {	1841	sub load_header_from($) {
1293	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1294		1843
1295	utf8::encode $path;	1844	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1297	or return;	1846	or return;
1298		1847
1299	$self->_load_header ($path)	1848	$self->_load_header ($f)
1300	or return;	1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1301		1853
1302	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1303		1855
1304	1	1856	1
1305	}	1857	}
…		…
1344	$self->load_header_orig	1896	$self->load_header_orig
1345	or return;	1897	or return;
1346	$self->prepare_orig;	1898	$self->prepare_orig;
1347	}	1899	}
1348		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
		1906
1349	1	1907	1
1350	}	1908	}
1351		1909
1352	sub find;	1910	sub find;
1353	sub find {	1911	sub find {
1354	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1355		1913
1356	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1357		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1359		1918
1360	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1362	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1363	or return;	1924	or return;
1364		1925
1365	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1366		1927
1367	$map->load_header	1928	$map->load_header
1368	or return;	1929	or return;
1369		1930
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1373	$map->reset;	1936	$map->reset;
1374	undef $guard;
1375	return find $path;	1937	return find $path;
1376	}	1938	}
1377		1939
1378	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1379	}	1941	}
…		…
1386	my ($self) = @_;	1948	my ($self) = @_;
1387		1949
1388	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1389		1951
1390	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1392		1956
		1957	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		1959
1395	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1396		1961
1397	$self->alloc;	1962	$self->alloc;
1398		1963
1399	$self->pre_load;	1964	$self->pre_load;
		1965	cf::cede_to_tick;
1400		1966
1401	$self->_load_objects ($self->{load_path}, 1)	1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1402	or return;	1970	or return;
1403		1971
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};	1973	if delete $self->{load_original};
1406		1974
1407	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	1976	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	1979	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1412	}	1983	}
1413	}	1984	}
1414		1985
1415	Coro::cede;	1986	$f->resolve_delayed_derefs;
1416		1987
		1988	cf::cede_to_tick;
1417	# now do the right thing for maps	1989	# now do the right thing for maps
1418	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1992	unless $self->difficulty;
1428	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1429	$self->activate;	2002	$self->activate;
		2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
		2008	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2009	}
1431		2010
1432	$self->post_load;	2011	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2012	}
1436		2013
1437	sub customise_for {	2014	sub customise_for {
1438	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1439		2016
1440	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2018	if $self->per_player;
1442		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1443	$self	2023	$self
1444	}	2024	}
1445		2025
1446	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	2027	sub load_neighbours {
1448	my ($map) = @_;	2028	my ($map) = @_;
1449		2029
1450	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1451		2031
1452	for (0 .. 3) {	2032	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1454	or next;	2034	or next;
1455	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1456	or next;	2036	or next;
1457	$neigh->load;	2037	$neigh->load;
1458		2038
		2039	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2042	}
1462		2043
1463	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1465	or next;	2047	or next;
1466	$neigh->load;	2048	$neigh->load;
1467	}	2049	}
1468	}	2050	}
1469		2051
…		…
1474	}	2056	}
1475		2057
1476	sub do_load_sync {	2058	sub do_load_sync {
1477	my ($map) = @_;	2059	my ($map) = @_;
1478		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1479	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1480	}	2065	}
1481		2066
1482	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1484		2069
1485	sub find_async {	2070	sub find_async {
1486	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1487		2072
1488	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1489		2074
1490	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492	}	2077	}
1493		2078
1494	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1495	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1496	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2086	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2087	$map->load if $v;
		2088	}
1501		2089
1502	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1503	}	2091	}
1504	}	2092	}
1505	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1506	};	2094	};
1507	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2098	}
1511		2099
1512	sub save {	2100	sub save {
1513	my ($self) = @_;	2101	my ($self) = @_;
1514		2102
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2104
1517	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1518		2106
1519	return unless $self->dirty;	2107	return unless $self->dirty;
1520		2108
…		…
1526	return if $self->{deny_save};	2114	return if $self->{deny_save};
1527		2115
1528	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1529		2117
1530	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1532	};	2121	};
1533		2122
1534	if ($uniq) {	2123	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1543	my ($self) = @_;	2132	my ($self) = @_;
1544		2133
1545	# save first because save cedes	2134	# save first because save cedes
1546	$self->save;	2135	$self->save;
1547		2136
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2138
1550	return if $self->players;	2139	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2141	return if $self->{deny_save};
1553		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2147	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2148	}
1557		2149
1558	sub reset_at {	2150	sub reset_at {
1559	my ($self) = @_;	2151	my ($self) = @_;
1560		2152
1561	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1564		2155
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2158
…		…
1578	my ($self) = @_;	2169	my ($self) = @_;
1579		2170
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2172
1582	return if $self->players;	2173	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2174
1585	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
		2176
		2177	$self->in_memory (cf::MAP_SWAPPED);
		2178
		2179	# need to save uniques path
		2180	unless ($self->{deny_save}) {
		2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2182
		2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2184	if $uniq;
		2185	}
1586		2186
1587	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1588		2188
1589	$self->in_memory (cf::MAP_SWAPPED);	2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2191	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2192
1594	$self->unlink_save;	2193	$self->unlink_save;
1595	$self->destroy;	2194	$self->destroy;
1596	}	2195	}
1597		2196
1598	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1599		2198
1600	sub nuke {	2199	sub nuke {
1601	my ($self) = @_;	2200	my ($self) = @_;
1602		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1603	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1604		2206
1605	$self->unlink_save;	2207	$self->unlink_save;
1606		2208
1607	bless $self, "cf::map";	2209	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2214
1613	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1614		2217
1615	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1616	}	2255	}
1617		2256
1618	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1619		2258
1620	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2260	instantiated unique items. May block.
1622		2261
1623	=cut	2262	=cut
1624		2263
1625	sub unique_maps() {	2264	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1627	or return;	2266	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2267	utf8::decode $_;
1633	next if /\.pst$/;	2268	/\.map$/
1634	next unless /^$PATH_SEP/o;	2269	? normalise $_
1635		2270	: ()
1636	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2272	]
1638
1639	\@paths
1640	}	2273	}
1641		2274
1642	package cf;	2275	package cf;
1643		2276
1644	=back	2277	=back
…		…
1662	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1663	}	2296	}
1664		2297
1665	sub inv_recursive {	2298	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1667	}	2328	}
1668		2329
1669	package cf;	2330	package cf;
1670		2331
1671	=back	2332	=back
…		…
1690		2351
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2353
1693	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1695	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1698	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1699	}	2379	}
1700		2380
1701	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1702		2382
1703	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1751		2431
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2433
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1756		2436
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2438	}
1759		2439
1760	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1762		2444
1763	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1764		2446
1765	unless ($map) {	2447	unless ($map) {
1766	# restore original map position	2448	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1783		2465
1784	$map->load;	2466	$map->load;
1785	$map->load_diag;	2467	$map->load_neighbours;
1786		2468
1787	return unless $self->contr->active;	2469	return unless $self->contr->active;
1788	$self->activate_recursive;	2470	$self->activate_recursive;
		2471
		2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1790	}	2474	}
1791		2475
1792	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2477
1796	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1800	};	2482	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2483
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1827		2487
1828	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2493
1831	$self->enter_link;	2494	$self->enter_link;
1832		2495
1833	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1834	my $map = eval {	2518	my $map = eval {
1835	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1837	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2534	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1842	})->prio (1);	2542	})->prio (1);
1843	}	2543	}
1844		2544
1845	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1846		2546
…		…
1885		2585
1886	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1887		2587
1888	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1891		2591
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2594	undef $fh;
1895	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
1904		2604
1905	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1906		2606
1907	if ($exit->slaying eq "/!") {	2607	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2611	cf::sync_job { prepare_random_map $exit };
1910	}	2612	}
1911		2613
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
1915		2617
1916	$self->enter_link;	2618	$self->enter_link;
1917		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1918	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1919	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2628	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
1922		2630
1923	1;	2631	1;
1924	}) {	2632	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2637
1930	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2639	$self->leave_link;
1932	}	2640	}
1933	})->prio (1);	2641	})->prio (1);
…		…
1946		2654
1947	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1949		2657
1950	utf8::encode $text;	2658	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2660	}
1953		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	);
		2697
		2698	sub cf::client::send_msg {
		2699	my ($self, $channel, $msg, $color, @extra) = @_;
		2700
		2701	$msg = $self->pl->expand_cfpod ($msg);
		2702
		2703	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2704
		2705	# check predefined channels, for the benefit of C
		2706	if ($CHANNEL{$channel}) {
		2707	$channel = $CHANNEL{$channel};
		2708
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711
		2712	$channel = $channel->{id};
		2713
		2714	} elsif (ref $channel) {
		2715	# send meta info to client, if not yet sent
		2716	unless (exists $self->{channel}{$channel->{id}}) {
		2717	$self->{channel}{$channel->{id}} = $channel;
		2718	$self->ext_msg (channel_info => $channel)
		2719	if $self->can_msg;
		2720	}
		2721
		2722	$channel = $channel->{id};
		2723	}
		2724
		2725	return unless @extra || length $msg;
		2726
		2727	if ($self->can_msg) {
		2728	# default colour, mask it out
		2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2730	if $color & cf::NDI_DEF;
		2731
		2732	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2734	} else {
		2735	if ($color >= 0) {
		2736	# replace some tags by gcfclient-compatible ones
		2737	for ($msg) {
		2738	1 while
		2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2744	}
		2745
		2746	$color &= cf::NDI_COLOR_MASK;
		2747
		2748	utf8::encode $msg;
		2749
		2750	if (0 && $msg =~ /\[/) {
		2751	# COMMAND/INFO
		2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2753	} else {
		2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2755	$self->send_packet ("drawinfo $color $msg")
		2756	}
		2757	}
		2758	}
		2759	}
		2760
		2761	=item $client->ext_msg ($type, @msg)
		2762
		2763	Sends an ext event to the client.
		2764
		2765	=cut
		2766
		2767	sub cf::client::ext_msg($$@) {
		2768	my ($self, $type, @msg) = @_;
		2769
		2770	if ($self->extcmd == 2) {
		2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2772	} elsif ($self->extcmd == 1) { # TODO: remove
		2773	push @msg, msgtype => "event_$type";
		2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2775	}
		2776	}
		2777
		2778	=item $client->ext_reply ($msgid, @msg)
		2779
		2780	Sends an ext reply to the client.
		2781
		2782	=cut
		2783
		2784	sub cf::client::ext_reply($$@) {
		2785	my ($self, $id, @msg) = @_;
		2786
		2787	if ($self->extcmd == 2) {
		2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2789	} elsif ($self->extcmd == 1) {
		2790	#TODO: version 1, remove
		2791	unshift @msg, msgtype => "reply", msgid => $id;
		2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2793	}
		2794	}
1954		2795
1955	=item $success = $client->query ($flags, "text", \&cb)	2796	=item $success = $client->query ($flags, "text", \&cb)
1956		2797
1957	Queues a query to the client, calling the given callback with	2798	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2799	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2800	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2801
1961	Queries can fail, so check the return code. Or don't, as queries will become	2802	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2803	become reliable at some point in the future.
1963		2804
1964	=cut	2805	=cut
1965		2806
1966	sub cf::client::query {	2807	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2808	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2816	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2817	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2818
1978	$self->send_packet ($self->{query_queue}[0][0])	2819	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2820	if @{ $self->{query_queue} } == 1;
		2821
		2822	1
1980	}	2823	}
1981		2824
1982	cf::client->attach (	2825	cf::client->attach (
		2826	on_connect => sub {
		2827	my ($ns) = @_;
		2828
		2829	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2830	},
1983	on_reply => sub {	2831	on_reply => sub {
1984	my ($ns, $msg) = @_;	2832	my ($ns, $msg) = @_;
1985		2833
1986	# this weird shuffling is so that direct followup queries	2834	# this weird shuffling is so that direct followup queries
1987	# get handled first	2835	# get handled first
1988	my $queue = delete $ns->{query_queue}	2836	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2837	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2838
1991	(shift @$queue)->[1]->($msg);	2839	(shift @$queue)->[1]->($msg);
		2840	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2841
1993	push @{ $ns->{query_queue} }, @$queue;	2842	push @{ $ns->{query_queue} }, @$queue;
1994		2843
1995	if (@{ $ns->{query_queue} } == @$queue) {	2844	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2845	if (@$queue) {
…		…
1998	} else {	2847	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2848	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2849	}
2001	}	2850	}
2002	},	2851	},
		2852	on_exticmd => sub {
		2853	my ($ns, $buf) = @_;
		2854
		2855	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2856
		2857	if (ref $msg) {
		2858	my ($type, $reply, @payload) =
		2859	"ARRAY" eq ref $msg
		2860	? @$msg
		2861	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2862
		2863	my @reply;
		2864
		2865	if (my $cb = $EXTICMD{$type}) {
		2866	@reply = $cb->($ns, @payload);
		2867	}
		2868
		2869	$ns->ext_reply ($reply, @reply)
		2870	if $reply;
		2871
		2872	} else {
		2873	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2874	}
		2875
		2876	cf::override;
		2877	},
2003	);	2878	);
2004		2879
2005	=item $client->async (\&cb)	2880	=item $client->async (\&cb)
2006		2881
2007	Create a new coroutine, running the specified callback. The coroutine will	2882	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	2923	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	2924	our $safe_hole = new Safe::Hole;
2050		2925
2051	$SIG{FPE} = 'IGNORE';	2926	$SIG{FPE} = 'IGNORE';
2052		2927
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2928	$safe->permit_only (Opcode::opset qw(
		2929	:base_core :base_mem :base_orig :base_math
		2930	grepstart grepwhile mapstart mapwhile
		2931	sort time
		2932	));
2054		2933
2055	# here we export the classes and methods available to script code	2934	# here we export the classes and methods available to script code
2056		2935
2057	=pod	2936	=pod
2058		2937
2059	The following fucntions and emthods are available within a safe environment:	2938	The following functions and methods are available within a safe environment:
2060		2939
2061	cf::object contr pay_amount pay_player map	2940	cf::object
		2941	contr pay_amount pay_player map x y force_find force_add destroy
		2942	insert remove name archname title slaying race decrease_ob_nr
		2943
2062	cf::object::player player	2944	cf::object::player
2063	cf::player peaceful	2945	player
2064	cf::map trigger	2946
		2947	cf::player
		2948	peaceful
		2949
		2950	cf::map
		2951	trigger
2065		2952
2066	=cut	2953	=cut
2067		2954
2068	for (	2955	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2957	insert remove inv name archname title slaying race
		2958	decrease_ob_nr destroy)],
2070	["cf::object::player" => qw(player)],	2959	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2960	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2961	["cf::map" => qw(trigger)],
2073	) {	2962	) {
2074	no strict 'refs';	2963	no strict 'refs';
…		…
2145	=back	3034	=back
2146		3035
2147	=cut	3036	=cut
2148		3037
2149	#############################################################################	3038	#############################################################################
		3039	# the server's init and main functions
2150		3040
2151	=head2 EXTENSION DATABASE SUPPORT	3041	sub load_facedata($) {
		3042	my ($path) = @_;
2152		3043
2153	Crossfire maintains a very simple database for extension use. It can	3044	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3045	# for this (global event?)
2155	excludes objects.	3046	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3047
2157	The parameter C<$family> should best start with the name of the extension	3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3049
2160	=over 4	3050	warn "loading facedata from $path\n";
2161		3051
2162	=item $hashref = cf::db_get $family	3052	my $facedata;
		3053	0 < aio_load $path, $facedata
		3054	or die "$path: $!";
2163		3055
2164	Return a hashref for use by the extension C<$family>, which can be	3056	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3057
2168	=item $value = cf::db_get $family => $key	3058	$facedata->{version} == 2
		3059	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3060
2170	Returns a single value from the database	3061	# patch in the exptable
2171		3062	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3063	type => FT_RSRC,
2173		3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3065	};
		3066	cf::cede_to_tick;
2200		3067
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3068	{
		3069	my $faces = $facedata->{faceinfo};
2212		3070
2213	my $dirty;	3071	while (my ($face, $info) = each %$faces) {
		3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3073	cf::face::set_visibility $idx, $info->{visibility};
		3074	cf::face::set_magicmap $idx, $info->{magicmap};
		3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214		3077
2215	sub db_sync() {	3078	cf::cede_to_tick;
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3079	}
2254	);
2255	}
2256		3080
2257	#############################################################################	3081	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3082	next unless $info->{smooth};
		3083	my $idx = cf::face::find $face
		3084	or next;
		3085	if (my $smooth = cf::face::find $info->{smooth}) {
		3086	cf::face::set_smooth $idx, $smooth;
		3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3088	} else {
		3089	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3090	}
2259		3091
2260	sub cfg_load {	3092	cf::cede_to_tick;
		3093	}
		3094	}
		3095
		3096	{
		3097	my $anims = $facedata->{animinfo};
		3098
		3099	while (my ($anim, $info) = each %$anims) {
		3100	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3101	cf::cede_to_tick;
		3102	}
		3103
		3104	cf::anim::invalidate_all; # d'oh
		3105	}
		3106
		3107	{
		3108	# TODO: for gcfclient pleasure, we should give resources
		3109	# that gcfclient doesn't grok a >10000 face index.
		3110	my $res = $facedata->{resource};
		3111
		3112	my $soundconf = delete $res->{"res/sound.conf"};
		3113
		3114	while (my ($name, $info) = each %$res) {
		3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3116	my $data;
		3117
		3118	if ($info->{type} & 1) {
		3119	# prepend meta info
		3120
		3121	my $meta = $enc->encode ({
		3122	name => $name,
		3123	%{ $info->{meta} || {} },
		3124	});
		3125
		3126	$data = pack "(w/a*)*", $meta, $info->{data};
		3127	} else {
		3128	$data = $info->{data};
		3129	}
		3130
		3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3132	cf::face::set_type $idx, $info->{type};
		3133
		3134	cf::cede_to_tick;
		3135	}
		3136
		3137	if ($soundconf) {
		3138	$soundconf = $enc->decode (delete $soundconf->{data});
		3139
		3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3141	my $sound = $soundconf->{compat}[$_]
		3142	or next;
		3143
		3144	my $face = cf::face::find "sound/$sound->[1]";
		3145	cf::sound::set $sound->[0] => $face;
		3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3147	}
		3148
		3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3150	my $face = cf::face::find "sound/$v";
		3151	cf::sound::set $k => $face;
		3152	}
		3153	}
		3154	}
		3155
		3156	1
		3157	}
		3158
		3159	register_exticmd fx_want => sub {
		3160	my ($ns, $want) = @_;
		3161
		3162	while (my ($k, $v) = each %$want) {
		3163	$ns->fx_want ($k, $v);
		3164	}
		3165	};
		3166
		3167	sub reload_regions {
		3168	# HACK to clear player env face cache, we need some signal framework
		3169	# for this (global event?)
		3170	%ext::player_env::MUSIC_FACE_CACHE = ();
		3171
		3172	load_resource_file "$MAPDIR/regions"
		3173	or die "unable to load regions file\n";
		3174
		3175	for (cf::region::list) {
		3176	$_->{match} = qr/$_->{match}/
		3177	if exists $_->{match};
		3178	}
		3179	}
		3180
		3181	sub reload_facedata {
		3182	load_facedata "$DATADIR/facedata"
		3183	or die "unable to load facedata\n";
		3184	}
		3185
		3186	sub reload_archetypes {
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	#d# NEED to laod twice to resolve forward references
		3190	# this really needs to be done in an extra post-pass
		3191	# (which needs to be synchronous, so solve it differently)
		3192	load_resource_file "$DATADIR/archetypes"
		3193	or die "unable to load archetypes\n";
		3194	}
		3195
		3196	sub reload_treasures {
		3197	load_resource_file "$DATADIR/treasures"
		3198	or die "unable to load treasurelists\n";
		3199	}
		3200
		3201	sub reload_resources {
		3202	warn "reloading resource files...\n";
		3203
		3204	reload_regions;
		3205	reload_facedata;
		3206	#reload_archetypes;#d#
		3207	reload_archetypes;
		3208	reload_treasures;
		3209
		3210	warn "finished reloading resource files\n";
		3211	}
		3212
		3213	sub init {
		3214	reload_resources;
		3215	}
		3216
		3217	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3218	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3219	or return;
2263		3220
2264	local $/;	3221	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3222	*CFG = YAML::Syck::Load <$fh>;
2266		3223
…		…
2281	sub main {	3238	sub main {
2282	# we must not ever block the main coroutine	3239	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3240	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3242	(async {
		3243	$Coro::current->{desc} = "IDLE BUG HANDLER";
2286	Event::one_event;	3244	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	3245	})->prio (Coro::PRIO_MAX);
2288	};	3246	};
2289		3247
2290	cfg_load;	3248	reload_config;
2291	db_load;	3249	db_init;
2292	load_extensions;	3250	load_extensions;
2293		3251
2294	$TICK_WATCHER->start;	3252	$TICK_WATCHER->start;
2295	Event::loop;	3253	Event::loop;
2296	}	3254	}
…		…
2311	},	3269	},
2312	);	3270	);
2313	}	3271	}
2314	}	3272	}
2315		3273
		3274	sub write_runtime {
		3275	my $runtime = "$LOCALDIR/runtime";
		3276
		3277	# first touch the runtime file to show we are still running:
		3278	# the fsync below can take a very very long time.
		3279
		3280	IO::AIO::aio_utime $runtime, undef, undef;
		3281
		3282	my $guard = cf::lock_acquire "write_runtime";
		3283
		3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3285	or return;
		3286
		3287	my $value = $cf::RUNTIME + 90 + 10;
		3288	# 10 is the runtime save interval, for a monotonic clock
		3289	# 60 allows for the watchdog to kill the server.
		3290
		3291	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3292	and return;
		3293
		3294	# always fsync - this file is important
		3295	aio_fsync $fh
		3296	and return;
		3297
		3298	# touch it again to show we are up-to-date
		3299	aio_utime $fh, undef, undef;
		3300
		3301	close $fh
		3302	or return;
		3303
		3304	aio_rename "$runtime~", $runtime
		3305	and return;
		3306
		3307	warn "runtime file written.\n";
		3308
		3309	1
		3310	}
		3311
2316	sub emergency_save() {	3312	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3313	my $freeze_guard = cf::freeze_mainloop;
2318		3314
2319	warn "enter emergency perl save\n";	3315	warn "enter emergency perl save\n";
2320		3316
…		…
2324	# and maps saved/destroyed asynchronously.	3320	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3321	warn "begin emergency player save\n";
2326	for my $login (keys %cf::PLAYER) {	3322	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3323	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3324	$pl->valid or next;
		3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3326	$pl->save;
2330	}	3327	}
2331	warn "end emergency player save\n";	3328	warn "end emergency player save\n";
2332		3329
2333	warn "begin emergency map save\n";	3330	warn "begin emergency map save\n";
…		…
2335	my $map = $cf::MAP{$path} or next;	3332	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3333	$map->valid or next;
2337	$map->save;	3334	$map->save;
2338	}	3335	}
2339	warn "end emergency map save\n";	3336	warn "end emergency map save\n";
		3337
		3338	warn "begin emergency database checkpoint\n";
		3339	BDB::db_env_txn_checkpoint $DB_ENV;
		3340	warn "end emergency database checkpoint\n";
2340	};	3341	};
2341		3342
2342	warn "leave emergency perl save\n";	3343	warn "leave emergency perl save\n";
2343	}	3344	}
2344		3345
		3346	sub post_cleanup {
		3347	my ($make_core) = @_;
		3348
		3349	warn Carp::longmess "post_cleanup backtrace"
		3350	if $make_core;
		3351	}
		3352
2345	sub reload() {	3353	sub do_reload_perl() {
2346	# can/must only be called in main	3354	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3355	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3356	warn "can only reload from main coroutine";
2349	return;	3357	return;
2350	}	3358	}
2351		3359
2352	warn "reloading...";	3360	warn "reloading...";
2353		3361
2354	warn "cancelling server ticker";	3362	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3363
		3364	cf::sync_job {
		3365	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	3366	cf::emergency_save;
		3367	cf::write_runtime; # external watchdog should not bark
2358		3368
2359	eval {	3369	warn "syncing database to disk";
		3370	BDB::db_env_txn_checkpoint $DB_ENV;
		3371
2360	# if anything goes wrong in here, we should simply crash as we already saved	3372	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		3373
2365	warn "cancelling all WF_AUTOCANCEL watchers";	3374	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	3375	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3376	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3377	}
2369		3378
2370	warn "flushing outstanding aio requests";	3379	warn "flushing outstanding aio requests";
2371	for (;;) {	3380	for (;;) {
		3381	BDB::flush;
2372	IO::AIO::flush;	3382	IO::AIO::flush;
2373	Coro::cede;	3383	Coro::cede_notself;
2374	last unless IO::AIO::nreqs;	3384	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3385	warn "iterate...";
2376	}	3386	}
		3387
		3388	++$RELOAD;
2377		3389
2378	warn "cancelling all extension coros";	3390	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3391	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3392	%EXT_CORO = ();
2381		3393
2382	warn "removing commands";	3394	warn "removing commands";
2383	%COMMAND = ();	3395	%COMMAND = ();
2384		3396
2385	warn "removing ext commands";	3397	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3398	%EXTCMD = ();
		3399	%EXTICMD = ();
2387		3400
2388	warn "unloading/nuking all extensions";	3401	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3402	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3403	warn "... unloading $pkg";
2391		3404
…		…
2421	Symbol::delete_package "safe::$_"	3434	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3436
2424	warn "unloading cf.pm \"a bit\"";	3437	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3438	delete $INC{"cf.pm"};
		3439	delete $INC{"cf/pod.pm"};
2426		3440
2427	# don't, removes xs symbols, too,	3441	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3442	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3443	#Symbol::delete_package __PACKAGE__;
2430		3444
…		…
2433	warn "reloading cf.pm";	3447	warn "reloading cf.pm";
2434	require cf;	3448	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3450
2437	warn "loading config and database again";	3451	warn "loading config and database again";
2438	cf::cfg_load;	3452	cf::reload_config;
2439	cf::db_load;
2440		3453
2441	warn "loading extensions";	3454	warn "loading extensions";
2442	cf::load_extensions;	3455	cf::load_extensions;
2443		3456
2444	warn "reattaching attachments to objects/players";	3457	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3458	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3459	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3460	reattach $_ for values %MAP;
		3461	warn "reattaching attachments to players";
		3462	reattach $_ for values %PLAYER;
2448		3463
2449	warn "restarting server ticker";	3464	warn "leaving sync_job";
2450		3465
2451	$TICK_WATCHER->start;	3466	1
2452	};	3467	} or do {
2453
2454	if ($@) {
2455	warn $@;	3468	warn $@;
2456	warn "error while reloading, exiting.";	3469	warn "error while reloading, exiting.";
2457	exit 1;	3470	exit 1;
2458	}	3471	};
2459		3472
2460	warn "reloaded";	3473	warn "reloaded";
2461	};	3474	};
2462		3475
2463	our $RELOAD_WATCHER; # used only during reload	3476	our $RELOAD_WATCHER; # used only during reload
2464		3477
		3478	sub reload_perl() {
		3479	# doing reload synchronously and two reloads happen back-to-back,
		3480	# coro crashes during coro_state_free->destroy here.
		3481
		3482	$RELOAD_WATCHER ||= Event->timer (
		3483	reentrant => 0,
		3484	after => 0,
		3485	data => WF_AUTOCANCEL,
		3486	cb => sub {
		3487	do_reload_perl;
		3488	undef $RELOAD_WATCHER;
		3489	},
		3490	);
		3491	}
		3492
2465	register_command "reload" => sub {	3493	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3494	my ($who, $arg) = @_;
2467		3495
2468	if ($who->flag (FLAG_WIZ)) {	3496	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3497	$who->message ("reloading server.");
2470		3498	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3499	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3500	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3501	};
2483	}	3502	}
2484	};	3503	};
2485		3504
2486	unshift @INC, $LIBDIR;	3505	unshift @INC, $LIBDIR;
2487		3506
2488	my $bug_warning = 0;	3507	my $bug_warning = 0;
		3508
		3509	our @WAIT_FOR_TICK;
		3510	our @WAIT_FOR_TICK_BEGIN;
		3511
		3512	sub wait_for_tick {
		3513	return unless $TICK_WATCHER->is_active;
		3514	return if $Coro::current == $Coro::main;
		3515
		3516	my $signal = new Coro::Signal;
		3517	push @WAIT_FOR_TICK, $signal;
		3518	$signal->wait;
		3519	}
		3520
		3521	sub wait_for_tick_begin {
		3522	return unless $TICK_WATCHER->is_active;
		3523	return if $Coro::current == $Coro::main;
		3524
		3525	my $signal = new Coro::Signal;
		3526	push @WAIT_FOR_TICK_BEGIN, $signal;
		3527	$signal->wait;
		3528	}
2489		3529
2490	$TICK_WATCHER = Event->timer (	3530	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3531	reentrant => 0,
2492	parked => 1,	3532	parked => 1,
2493	prio => 0,	3533	prio => 0,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3539	unless ++$bug_warning > 10;
2500	return;	3540	return;
2501	}	3541	}
2502		3542
2503	$NOW = Event::time;	3543	$NOW = $tick_start = Event::time;
2504		3544
2505	cf::server_tick; # one server iteration	3545	cf::server_tick; # one server iteration
		3546
2506	$RUNTIME += $TICK;	3547	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3548	$NEXT_TICK += $TICK;
2508		3549
2509	$WAIT_FOR_TICK->broadcast;	3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3551	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3552	Coro::async_pool {
2512	Event::sweep;	3553	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;	3554	write_runtime
		3555	or warn "ERROR: unable to write runtime file: $!";
		3556	};
2514		3557	}
2515	# my $AFTER = Event::time;	3558
2516	# warn $AFTER - $NOW;#d#	3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3560	$sig->send;
		3561	}
		3562	while (my $sig = shift @WAIT_FOR_TICK) {
		3563	$sig->send;
		3564	}
		3565
		3566	$NOW = Event::time;
2517		3567
2518	# if we are delayed by four ticks or more, skip them all	3568	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3570
2521	$TICK_WATCHER->at ($NEXT_TICK);	3571	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3572	$TICK_WATCHER->start;
		3573
		3574	$LOAD = ($NOW - $tick_start) / $TICK;
		3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3576
		3577	_post_tick;
2523	},	3578	},
2524	);	3579	);
2525		3580
		3581	{
		3582	BDB::min_parallel 8;
		3583	BDB::max_poll_time $TICK * 0.1;
		3584	$BDB_POLL_WATCHER = Event->io (
		3585	reentrant => 0,
		3586	fd => BDB::poll_fileno,
		3587	poll => 'r',
		3588	prio => 0,
		3589	data => WF_AUTOCANCEL,
		3590	cb => \&BDB::poll_cb,
		3591	);
		3592
		3593	BDB::set_sync_prepare {
		3594	my $status;
		3595	my $current = $Coro::current;
		3596	(
		3597	sub {
		3598	$status = $!;
		3599	$current->ready; undef $current;
		3600	},
		3601	sub {
		3602	Coro::schedule while defined $current;
		3603	$! = $status;
		3604	},
		3605	)
		3606	};
		3607
		3608	unless ($DB_ENV) {
		3609	$DB_ENV = BDB::db_env_create;
		3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3611	| BDB::LOG_AUTOREMOVE, 1);
		3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3614
		3615	cf::sync_job {
		3616	eval {
		3617	BDB::db_env_open
		3618	$DB_ENV,
		3619	$BDBDIR,
		3620	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3621	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3622	0666;
		3623
		3624	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3625	};
		3626
		3627	cf::cleanup "db_env_open(db): $@" if $@;
		3628	};
		3629	}
		3630
		3631	$BDB_DEADLOCK_WATCHER = Event->timer (
		3632	after => 3,
		3633	interval => 1,
		3634	hard => 1,
		3635	prio => 0,
		3636	data => WF_AUTOCANCEL,
		3637	cb => sub {
		3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3639	},
		3640	);
		3641	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3642	after => 11,
		3643	interval => 60,
		3644	hard => 1,
		3645	prio => 0,
		3646	data => WF_AUTOCANCEL,
		3647	cb => sub {
		3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3649	},
		3650	);
		3651	$BDB_TRICKLE_WATCHER = Event->timer (
		3652	after => 5,
		3653	interval => 10,
		3654	hard => 1,
		3655	prio => 0,
		3656	data => WF_AUTOCANCEL,
		3657	cb => sub {
		3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3659	},
		3660	);
		3661	}
		3662
		3663	{
		3664	IO::AIO::min_parallel 8;
		3665
		3666	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3667	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3668	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3669	reentrant => 0,
		3670	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3671	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3672	poll => 'r',
2533	prio => 6,	3673	prio => 0,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3674	cb => \&IO::AIO::poll_cb,
2536	);	3675	);
		3676	}
2537		3677
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3678	my $_log_backtrace;
2539	reentrant => 0,	3679
2540	data => WF_AUTOCANCEL,	3680	sub _log_backtrace {
2541	after => 1,	3681	my ($msg, @addr) = @_;
2542	interval => 10,	3682
2543	prio => 6, # keep it lowest so it acts like a watchdog	3683	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3684
2545	write_runtime	3685	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3686	if ($_log_backtrace < 2) {
		3687	++$_log_backtrace;
		3688	async {
		3689	$Coro::current->{desc} = "abt $msg";
		3690
		3691	my @bt = fork_call {
		3692	@addr = map { sprintf "%x", $_ } @addr;
		3693	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3694	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3695	or die "addr2line: $!";
		3696
		3697	my @funcs;
		3698	my @res = <$fh>;
		3699	chomp for @res;
		3700	while (@res) {
		3701	my ($func, $line) = splice @res, 0, 2, ();
		3702	push @funcs, "[$func] $line";
		3703	}
		3704
		3705	@funcs
		3706	};
		3707
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] $_\n" for @bt;
		3710	--$_log_backtrace;
		3711	};
		3712	} else {
		3713	LOG llevInfo, "[ABT] $msg\n";
		3714	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3715	}
2548	);	3716	}
		3717
		3718	# load additional modules
		3719	use cf::pod;
2549		3720
2550	END { cf::emergency_save }	3721	END { cf::emergency_save }
2551		3722
2552	1	3723	1
2553		3724

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