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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	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) {
319	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
320	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
321		458
322	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
323	} else {	460	} else {
324	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
325		462
…		…
345	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
346		483
347	$coro	484	$coro
348	}	485	}
349		486
350	sub write_runtime {	487	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		488
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
354	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
355		493
356	my $value = $cf::RUNTIME + 90 + 10;	494	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		495
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	496	sub fork_call(&@) {
361	and return;	497	my ($cb, @args) = @_;
362		498
363	aio_fsync $fh	499	# we seemingly have to make a local copy of the whole thing,
364	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
365		502
366	close $fh	503	my @res = Coro::Util::fork_eval {
367	or return;	504	reset_signals;
		505	&$cb
		506	}, @args;
368		507
369	aio_rename "$runtime~", $runtime	508	wantarray ? @res : $res[-1]
370	and return;	509	}
371		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
372	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	647	}
374		648
375	=back	649	=back
376		650
377	=cut	651	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
386		660
387	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	663	Crossfire TRT).
390		664
391	=over 4	665	=over 4
392		666
393	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
394		668
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
558		832
559	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		837
564	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	839	my $pkg = shift @arg;
566		840
567	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
597	}	871	}
598		872
599	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
600	} else {	874	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	876	}
603		877
604	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
605	}	879	}
606		880
…		…
608	if (ref $_[0]) {	882	if (ref $_[0]) {
609	_object_attach @_;	883	_object_attach @_;
610	} else {	884	} else {
611	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
612	}	886	}
		887	_recalc_want;
613	};	888	};
614		889
615	# all those should be optimised	890	# all those should be optimised
616	sub cf::attachable::detach {	891	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
621	reattach ($obj);	896	reattach ($obj);
622	} else {	897	} else {
623	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
624	}	899	}
		900	_recalc_want;
625	};	901	};
626		902
627	sub cf::attachable::attached {	903	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
629		905
…		…
644	";	920	";
645	die if $@;	921	die if $@;
646	}	922	}
647		923
648	our $override;	924	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		926
651	sub override {	927	sub override {
652	$override = 1;	928	$override = 1;
653	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
654	}	930	}
655		931
656	sub do_invoke {	932	sub do_invoke {
657	my $event = shift;	933	my $event = shift;
658	my $callbacks = shift;	934	my $callbacks = shift;
659		935
660	@invoke_results = ();	936	@INVOKE_RESULTS = ();
661		937
662	local $override;	938	local $override;
663		939
664	for (@$callbacks) {	940	for (@$callbacks) {
665	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
682		958
683	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
684		960
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		964
689	=back	965	=back
690		966
691	=cut	967	=cut
692		968
693	#############################################################################	969	#############################################################################
694	# object support	970	# object support
		971
		972	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
695		1013
696	sub reattach {	1014	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1016	my ($obj) = @_;
699		1017
…		…
746	sub object_freezer_save {	1064	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
748		1066
749	sync_job {	1067	sync_job {
750	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
753		1072
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1076	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1077	close $fh;
759		1078
760	if (@$objs) {	1079	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1084	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1085	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
768	}	1087	}
769	} else {	1088	} else {
770	aio_unlink "$filename.pst";	1089	aio_unlink "$filename.pst";
…		…
776	}	1095	}
777	} else {	1096	} else {
778	aio_unlink $filename;	1097	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
780	}	1099	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1100	};
788	}	1101	}
789		1102
790	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
792		1105
…		…
797		1110
798	sub object_thawer_load {	1111	sub object_thawer_load {
799	my ($filename) = @_;	1112	my ($filename) = @_;
800		1113
801	my ($data, $av);	1114	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1115
806	(aio_load $filename, $data) >= 0	1116	(aio_load $filename, $data) >= 0
807	or return;	1117	or return;
808		1118
809	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
811	or return;	1121	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };
813	}
814		1122
		1123	my $st = eval { Coro::Storable::thaw $av }
		1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1125	$av = $st->{objs};
		1126	}
		1127
		1128	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1130	$decname, length $data, scalar @{$av || []};
		1131
817	return ($data, $av);	1132	($data, $av)
818	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
819		1140
820	#############################################################################	1141	#############################################################################
821	# command handling &c	1142	# command handling &c
822		1143
823	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1158	}
838		1159
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1161
841	Register a callbackf ro execution when the client sends an extcmd packet.	1162	Register a callback for execution when the client sends an (synchronous)
		1163	extcmd packet. Ext commands will be processed in the order they are
		1164	received by the server, like other user commands. The first argument is
		1165	the logged-in player. Ext commands can only be processed after a player
		1166	has logged in successfully.
842		1167
843	If the callback returns something, it is sent back as if reply was being	1168	If the callback returns something, it is sent back as if reply was being
844	called.	1169	called.
845		1170
		1171	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1172
		1173	Register a callback for execution when the client sends an (asynchronous)
		1174	exticmd packet. Exti commands are processed by the server as soon as they
		1175	are received, i.e. out of order w.r.t. other commands. The first argument
		1176	is a client socket. Exti commands can be received anytime, even before
		1177	log-in.
		1178
		1179	If the callback returns something, it is sent back as if reply was being
		1180	called.
		1181
846	=cut	1182	=cut
847		1183
848	sub register_extcmd {	1184	sub register_extcmd {
849	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
850		1186
851	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
852	}	1194	}
853		1195
854	cf::player->attach (	1196	cf::player->attach (
855	on_command => sub {	1197	on_command => sub {
856	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1207	cf::override;
866	},	1208	},
867	on_extcmd => sub {	1209	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
869		1211
870	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1213
872	if (ref $msg) {	1214	if (ref $msg) {
		1215	my ($type, $reply, @payload) =
		1216	"ARRAY" eq ref $msg
		1217	? @$msg
		1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1219
		1220	my @reply;
		1221
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
878	} else {	1229	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1231	}
881		1232
882	cf::override;	1233	cf::override;
883	},	1234	},
884	);	1235	);
885		1236
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
921	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1242	next unless -r $path;
923	eval {	1243
924	load_extension $ext;	1244	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1245	my $base = $1;
		1246	my $pkg = $1;
		1247	$pkg =~ s/[^[:word:]]/_/g;
		1248	$pkg = "ext::$pkg";
		1249
		1250	open my $fh, "<:utf8", $path
		1251	or die "$path: $!";
		1252
		1253	my $source = do { local $/; <$fh> };
		1254
		1255	my %ext = (
		1256	path => $path,
		1257	base => $base,
		1258	pkg => $pkg,
		1259	);
		1260
		1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1263
		1264	$ext{source} =
		1265	"package $pkg; use strict; use utf8;\n"
		1266	. "#line 1 \"$path\"\n{\n"
		1267	. $source
		1268	. "\n};\n1";
		1269
		1270	$todo{$base} = \%ext;
		1271	}
		1272
		1273	my %done;
		1274	while (%todo) {
		1275	my $progress;
		1276
		1277	while (my ($k, $v) = each %todo) {
		1278	for (split /,\s*/, $v->{meta}{depends}) {
		1279	goto skip
		1280	unless exists $done{$_};
		1281	}
		1282
		1283	warn "... loading '$k' into '$v->{pkg}'\n";
		1284
		1285	unless (eval $v->{source}) {
		1286	my $msg = $@ ? "$v->{path}: $@\n"
		1287	: "$v->{base}: extension inactive.\n";
		1288
		1289	if (exists $v->{meta}{mandatory}) {
		1290	warn $msg;
		1291	warn "mandatory extension failed to load, exiting.\n";
		1292	exit 1;
		1293	}
		1294
		1295	warn $msg;
		1296	}
		1297
		1298	$done{$k} = delete $todo{$k};
		1299	push @EXTS, $v->{pkg};
		1300	$progress = 1;
925	1	1301	}
926	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
927	}	1307	};
928	}	1308	}
929		1309
930	#############################################################################	1310	#############################################################################
931		1311
		1312	=back
		1313
932	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
933		1315
934	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
935		1317
936	=cut	1318	=cut
…		…
941		1323
942	=head3 cf::player	1324	=head3 cf::player
943		1325
944	=over 4	1326	=over 4
945		1327
		1328	=item cf::player::num_playing
		1329
		1330	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1331
		1332	=cut
		1333
		1334	sub num_playing {
		1335	scalar grep
		1336	$_->ob->map
		1337	&& !$_->hidden
		1338	&& !$_->ob->flag (cf::FLAG_WIZ),
		1339	cf::player::list
		1340	}
		1341
946	=item cf::player::find $login	1342	=item cf::player::find $login
947		1343
948	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
949		1345
950	=cut	1346	=cut
951		1347
952	sub playerdir($) {	1348	sub playerdir($) {
953	cf::localdir	1349	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1350	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1351	}
959		1352
960	sub path($) {	1353	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1354	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1355
963	(playerdir $login) . "/$login.pl"	1356	(playerdir $login) . "/playerdata"
964	}	1357	}
965		1358
966	sub find_active($) {	1359	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1360	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1361	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1374	my $login = $_[0];
982		1375
983	my $guard = cf::lock_acquire "user_find:$login";	1376	my $guard = cf::lock_acquire "user_find:$login";
984		1377
985	$cf::PLAYER{$_[0]} || do {	1378	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1379	# rename old playerfiles to new ones
		1380	#TODO: remove when no longer required
		1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1384	aio_unlink +(playerdir $login) . "/$login.pl";
		1385
		1386	my $f = new_from_file cf::object::thawer path $login
987	or return;	1387	or return;
		1388
		1389	my $pl = cf::player::load_pl $f
		1390	or return;
		1391	local $cf::PLAYER_LOADING{$login} = $pl;
		1392	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
989	}	1394	}
990	}	1395	}
991	}	1396	}
992		1397
…		…
1002		1407
1003	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
1005		1410
1006	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
1007	Coro::cede;	1412	cf::cede_to_tick;
1008	}	1413	}
1009		1414
1010	sub new($) {	1415	sub new($) {
1011	my ($login) = @_;	1416	my ($login) = @_;
1012		1417
…		…
1018	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
1019		1424
1020	$self	1425	$self
1021	}	1426	}
1022		1427
		1428	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1429
		1430	=cut
		1431
		1432	sub send_msg {
		1433	my $ns = shift->ns
		1434	or return;
		1435	$ns->send_msg (@_);
		1436	}
		1437
1023	=item $pl->quit_character	1438	=item $pl->quit_character
1024		1439
1025	Nukes the player without looking back. If logged in, the connection will	1440	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1441	be destroyed. May block for a long time.
1027		1442
1028	=cut	1443	=cut
1029		1444
1030	sub quit_character {	1445	sub quit_character {
1031	my ($pl) = @_;	1446	my ($pl) = @_;
		1447
		1448	my $name = $pl->ob->name;
1032		1449
1033	$pl->{deny_save} = 1;	1450	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1451	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1452
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1458	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1459	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1460	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1461	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1462	$pl->destroy;
		1463
		1464	my $prefix = qr<^~\Q$name\E/>;
		1465
		1466	# nuke player maps
		1467	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1468
1046	IO::AIO::aio_rmtree $temp;	1469	IO::AIO::aio_rmtree $temp;
		1470	}
		1471
		1472	=item $pl->kick
		1473
		1474	Kicks a player out of the game. This destroys the connection.
		1475
		1476	=cut
		1477
		1478	sub kick {
		1479	my ($pl, $kicker) = @_;
		1480
		1481	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1482	$pl->killer ("kicked");
		1483	$pl->ns->destroy;
1047	}	1484	}
1048		1485
1049	=item cf::player::list_logins	1486	=item cf::player::list_logins
1050		1487
1051	Returns am arrayref of all valid playernames in the system, can take a	1488	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1489	while and may block, so not sync_job-capable, ever.
1053		1490
1054	=cut	1491	=cut
1055		1492
1056	sub list_logins {	1493	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1494	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1495	or return [];
1059		1496
1060	my @logins;	1497	my @logins;
1061		1498
1062	for my $login (@$dirs) {	1499	for my $login (@$dirs) {
		1500	my $path = path $login;
		1501
		1502	# a .pst is a dead give-away for a valid player
		1503	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1066		1508
1067	utf8::decode $login;	1509	utf8::decode $login;
1068	push @logins, $login;	1510	push @logins, $login;
1069	}	1511	}
1070		1512
…		…
1078		1520
1079	=cut	1521	=cut
1080		1522
1081	sub maps($) {	1523	sub maps($) {
1082	my ($pl) = @_;	1524	my ($pl) = @_;
		1525
		1526	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1527
1084	my $files = aio_readdir playerdir $pl	1528	my $files = aio_readdir playerdir $pl
1085	or return;	1529	or return;
1086		1530
1087	my @paths;	1531	my @paths;
…		…
1089	for (@$files) {	1533	for (@$files) {
1090	utf8::decode $_;	1534	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1535	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1536	next unless /^$PATH_SEP/o;
1093		1537
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1538	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1539	}
1096		1540
1097	\@paths	1541	\@paths
1098	}	1542	}
1099		1543
		1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1545
		1546	Expand crossfire pod fragments into protocol xml.
		1547
		1548	=cut
		1549
		1550	sub expand_cfpod {
		1551	((my $self), (local $_)) = @_;
		1552
		1553	# escape & and <
		1554	s/&/&amp;/g;
		1555	s/(?<![BIUGHT])</&lt;/g;
		1556
		1557	# this is buggy, it needs to properly take care of nested <'s
		1558
		1559	1 while
		1560	# replace B<>, I<>, U<> etc.
		1561	s/B<([^\>]*)>/<b>$1<\/b>/
		1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1565	# replace G<male|female> tags
		1566	|| s{G<([^>|]*)\|([^>]*)>}{
		1567	$self->gender ? $2 : $1
		1568	}ge
		1569	# replace H<hint text>
		1570	|| s{H<([^\>]*)>}
		1571	{
		1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1574	"")
		1575	[$self->{hintmode}]
		1576	}ge;
		1577
		1578	# create single paragraphs (very hackish)
		1579	s/(?<=\S)\n(?=\w)/ /g;
		1580
		1581	# compress some whitespace
		1582	s/\s+\n/\n/g; # ws line-ends
		1583	s/\n\n+/\n/g; # double lines
		1584	s/^\n+//; # beginning lines
		1585	s/\n+$//; # ending lines
		1586
		1587	$_
		1588	}
		1589
		1590	sub hintmode {
		1591	$_[0]{hintmode} = $_[1] if @_ > 1;
		1592	$_[0]{hintmode}
		1593	}
		1594
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1101		1596
1102	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1103		1598
1104	=cut	1599	=cut
1105		1600
1106	sub ext_reply($$$%) {	1601	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1108		1603
1109	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1605	}
1113		1606
1114	package cf;	1607	=item $player->ext_msg ($type, @msg)
		1608
		1609	Sends an ext event to the client.
		1610
		1611	=cut
		1612
		1613	sub ext_msg($$@) {
		1614	my ($self, $type, @msg) = @_;
		1615
		1616	$self->ns->ext_msg ($type, @msg);
		1617	}
		1618
		1619	=head3 cf::region
		1620
		1621	=over 4
		1622
		1623	=cut
		1624
		1625	package cf::region;
		1626
		1627	=item cf::region::find_by_path $path
		1628
		1629	Tries to decuce the likely region for a map knowing only its path.
		1630
		1631	=cut
		1632
		1633	sub find_by_path($) {
		1634	my ($path) = @_;
		1635
		1636	my ($match, $specificity);
		1637
		1638	for my $region (list) {
		1639	if ($region->{match} && $path =~ $region->{match}) {
		1640	($match, $specificity) = ($region, $region->specificity)
		1641	if $region->specificity > $specificity;
		1642	}
		1643	}
		1644
		1645	$match
		1646	}
1115		1647
1116	=back	1648	=back
1117
1118		1649
1119	=head3 cf::map	1650	=head3 cf::map
1120		1651
1121	=over 4	1652	=over 4
1122		1653
…		…
1177	my ($self, $merge) = @_;	1708	my ($self, $merge) = @_;
1178		1709
1179	# we have to keep some variables in memory intact	1710	# we have to keep some variables in memory intact
1180	local $self->{path};	1711	local $self->{path};
1181	local $self->{load_path};	1712	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1713
1185	$self->SUPER::thawer_merge ($merge);	1714	$self->SUPER::thawer_merge ($merge);
1186	}	1715	}
1187		1716
1188	sub normalise {	1717	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1236	return $self;	1765	return $self;
1237	}	1766	}
1238	}	1767	}
1239		1768
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1770	()
1242	}	1771	}
1243		1772
1244	sub init {	1773	sub init {
1245	my ($self) = @_;	1774	my ($self) = @_;
…		…
1260		1789
1261	# the original (read-only) location	1790	# the original (read-only) location
1262	sub load_path {	1791	sub load_path {
1263	my ($self) = @_;	1792	my ($self) = @_;
1264		1793
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1794	"$MAPDIR/$self->{path}.map"
1266	}	1795	}
1267		1796
1268	# the temporary/swap location	1797	# the temporary/swap location
1269	sub save_path {	1798	sub save_path {
1270	my ($self) = @_;	1799	my ($self) = @_;
1271		1800
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1802	"$TMPDIR/$path.map"
1274	}	1803	}
1275		1804
1276	# the unique path, undef == no special unique path	1805	# the unique path, undef == no special unique path
1277	sub uniq_path {	1806	sub uniq_path {
1278	my ($self) = @_;	1807	my ($self) = @_;
1279		1808
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1810	"$UNIQUEDIR/$path"
1282	}	1811	}
1283		1812
1284	# and all this just because we cannot iterate over	1813	# and all this just because we cannot iterate over
1285	# all maps in C++...	1814	# all maps in C++...
1286	sub change_all_map_light {	1815	sub change_all_map_light {
…		…
1288		1817
1289	$_->change_map_light ($change)	1818	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1819	for grep $_->outdoor, values %cf::MAP;
1291	}	1820	}
1292		1821
		1822	sub decay_objects {
		1823	my ($self) = @_;
		1824
		1825	return if $self->{deny_reset};
		1826
		1827	$self->do_decay_objects;
		1828	}
		1829
1293	sub unlink_save {	1830	sub unlink_save {
1294	my ($self) = @_;	1831	my ($self) = @_;
1295		1832
1296	utf8::encode (my $save = $self->save_path);	1833	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1834	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1835	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1836	}
1305		1837
1306	sub load_header_from($) {	1838	sub load_header_from($) {
1307	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1308		1840
1309	utf8::encode $path;	1841	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1843	or return;
		1844
		1845	$self->_load_header ($f)
		1846	or return;
		1847
		1848	local $MAP_LOADING{$self->{path}} = $self;
		1849	$f->resolve_delayed_derefs;
1315		1850
1316	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1317		1852
1318	1	1853	1
1319	}	1854	}
…		…
1358	$self->load_header_orig	1893	$self->load_header_orig
1359	or return;	1894	or return;
1360	$self->prepare_orig;	1895	$self->prepare_orig;
1361	}	1896	}
1362		1897
		1898	$self->{deny_reset} = 1
		1899	if $self->no_reset;
		1900
		1901	$self->default_region (cf::region::find_by_path $self->{path})
		1902	unless $self->default_region;
		1903
1363	1	1904	1
1364	}	1905	}
1365		1906
1366	sub find;	1907	sub find;
1367	sub find {	1908	sub find {
1368	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1369		1910
1370	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1371		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1373		1915
1374	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";	1917	my $guard1 = cf::lock_acquire "map_find:$path";
		1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1919
1376	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1377	or return;	1921	or return;
1378		1922
1379	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1380		1924
1381	$map->load_header	1925	$map->load_header
1382	or return;	1926	or return;
1383		1927
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1929	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1387	$map->reset;	1933	$map->reset;
1388	undef $guard;
1389	return find $path;	1934	return find $path;
1390	}	1935	}
1391		1936
1392	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1393	}	1938	}
…		…
1400	my ($self) = @_;	1945	my ($self) = @_;
1401		1946
1402	local $self->{deny_reset} = 1; # loading can take a long time	1947	local $self->{deny_reset} = 1; # loading can take a long time
1403		1948
1404	my $path = $self->{path};	1949	my $path = $self->{path};
		1950
		1951	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1406		1953
		1954	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		1956
1409	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1410		1958
1411	$self->alloc;	1959	$self->alloc;
1412		1960
1413	$self->pre_load;	1961	$self->pre_load;
		1962	cf::cede_to_tick;
1414		1963
1415	$self->_load_objects ($self->{load_path}, 1)	1964	my $f = new_from_file cf::object::thawer $self->{load_path};
		1965	$f->skip_block;
		1966	$self->_load_objects ($f)
1416	or return;	1967	or return;
1417		1968
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};	1970	if delete $self->{load_original};
1420		1971
1421	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	1973	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	1976	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1426	}	1980	}
1427	}	1981	}
1428		1982
1429	Coro::cede;	1983	$f->resolve_delayed_derefs;
1430		1984
		1985	cf::cede_to_tick;
1431	# now do the right thing for maps	1986	# now do the right thing for maps
1432	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	1988	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	1989	unless $self->difficulty;
1442	Coro::cede;	1990	cf::cede_to_tick;
		1991
		1992	unless ($self->{deny_activate}) {
		1993	$self->decay_objects;
		1994	$self->fix_auto_apply;
		1995	$self->update_buttons;
		1996	cf::cede_to_tick;
		1997	$self->set_darkness_map;
		1998	cf::cede_to_tick;
1443	$self->activate;	1999	$self->activate;
		2000	}
		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
		2004
		2005	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	2006	}
1445		2007
1446	$self->post_load;	2008	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2009	}
1450		2010
1451	sub customise_for {	2011	sub customise_for {
1452	my ($self, $ob) = @_;	2012	my ($self, $ob) = @_;
1453		2013
1454	return find "~" . $ob->name . "/" . $self->{path}	2014	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2015	if $self->per_player;
1456		2016
		2017	# return find "?party/" . $ob->name . "/" . $self->{path}
		2018	# if $self->per_party;
		2019
1457	$self	2020	$self
1458	}	2021	}
1459		2022
1460	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2024	sub load_neighbours {
1462	my ($map) = @_;	2025	my ($map) = @_;
1463		2026
1464	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1465		2028
1466	for (0 .. 3) {	2029	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1468	or next;	2031	or next;
1469	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1470	or next;	2033	or next;
1471	$neigh->load;	2034	$neigh->load;
1472		2035
		2036	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2039	}
1476		2040
1477	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1479	or next;	2044	or next;
1480	$neigh->load;	2045	$neigh->load;
1481	}	2046	}
1482	}	2047	}
1483		2048
…		…
1488	}	2053	}
1489		2054
1490	sub do_load_sync {	2055	sub do_load_sync {
1491	my ($map) = @_;	2056	my ($map) = @_;
1492		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1493	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1494	}	2062	}
1495		2063
1496	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2065	our $MAP_PREFETCHER = undef;
1498		2066
1499	sub find_async {	2067	sub find_async {
1500	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1501		2069
1502	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1503		2071
1504	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1506	}	2074	}
1507		2075
1508	undef $MAP_PREFETCH{$path};	2076	$MAP_PREFETCH{$path} |= $load;
		2077
1509	$MAP_PREFETCHER ||= cf::async {	2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
1510	while (%MAP_PREFETCH) {	2081	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2082	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2083	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2084	$map->load if $v;
		2085	}
1515		2086
1516	delete $MAP_PREFETCH{$path};	2087	delete $MAP_PREFETCH{$k};
1517	}	2088	}
1518	}	2089	}
1519	undef $MAP_PREFETCHER;	2090	undef $MAP_PREFETCHER;
1520	};	2091	};
1521	$MAP_PREFETCHER->prio (6);	2092	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2095	}
1525		2096
1526	sub save {	2097	sub save {
1527	my ($self) = @_;	2098	my ($self) = @_;
1528		2099
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2101
1531	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1532		2103
1533	return unless $self->dirty;	2104	return unless $self->dirty;
1534		2105
…		…
1540	return if $self->{deny_save};	2111	return if $self->{deny_save};
1541		2112
1542	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1543		2114
1544	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1546	};	2118	};
1547		2119
1548	if ($uniq) {	2120	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1557	my ($self) = @_;	2129	my ($self) = @_;
1558		2130
1559	# save first because save cedes	2131	# save first because save cedes
1560	$self->save;	2132	$self->save;
1561		2133
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2135
1564	return if $self->players;	2136	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};	2138	return if $self->{deny_save};
1567		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2144	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2145	}
1571		2146
1572	sub reset_at {	2147	sub reset_at {
1573	my ($self) = @_;	2148	my ($self) = @_;
1574		2149
1575	# TODO: safety, remove and allow resettable per-player maps	2150	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2151	return 1e99 if $self->{deny_reset};
1578		2152
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2155
…		…
1592	my ($self) = @_;	2166	my ($self) = @_;
1593		2167
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2169
1596	return if $self->players;	2170	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2171
1599	warn "resetting map ", $self->path;#d#	2172	warn "resetting map ", $self->path;
		2173
		2174	$self->in_memory (cf::MAP_SWAPPED);
		2175
		2176	# need to save uniques path
		2177	unless ($self->{deny_save}) {
		2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2179
		2180	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2181	if $uniq;
		2182	}
1600		2183
1601	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1602		2185
1603	$self->in_memory (cf::MAP_SWAPPED);	2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2188	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2189
1608	$self->unlink_save;	2190	$self->unlink_save;
1609	$self->destroy;	2191	$self->destroy;
1610	}	2192	}
1611		2193
1612	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1613		2195
1614	sub nuke {	2196	sub nuke {
1615	my ($self) = @_;	2197	my ($self) = @_;
1616		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
1617	delete $cf::MAP{$self->path};	2202	delete $cf::MAP{$self->path};
1618		2203
1619	$self->unlink_save;	2204	$self->unlink_save;
1620		2205
1621	bless $self, "cf::map";	2206	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2207	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2211
1627	$cf::MAP{$self->path} = $self;	2212	$cf::MAP{$self->path} = $self;
		2213	}
1628		2214
1629	$self->reset; # polite request, might not happen	2215	$self->reset; # polite request, might not happen
		2216	}
		2217
		2218	=item $maps = cf::map::tmp_maps
		2219
		2220	Returns an arrayref with all map paths of currently instantiated and saved
		2221	maps. May block.
		2222
		2223	=cut
		2224
		2225	sub tmp_maps() {
		2226	[
		2227	map {
		2228	utf8::decode $_;
		2229	/\.map$/
		2230	? normalise $_
		2231	: ()
		2232	} @{ aio_readdir $TMPDIR or [] }
		2233	]
		2234	}
		2235
		2236	=item $maps = cf::map::random_maps
		2237
		2238	Returns an arrayref with all map paths of currently instantiated and saved
		2239	random maps. May block.
		2240
		2241	=cut
		2242
		2243	sub random_maps() {
		2244	[
		2245	map {
		2246	utf8::decode $_;
		2247	/\.map$/
		2248	? normalise "?random/$_"
		2249	: ()
		2250	} @{ aio_readdir $RANDOMDIR or [] }
		2251	]
1630	}	2252	}
1631		2253
1632	=item cf::map::unique_maps	2254	=item cf::map::unique_maps
1633		2255
1634	Returns an arrayref of paths of all shared maps that have	2256	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2257	instantiated unique items. May block.
1636		2258
1637	=cut	2259	=cut
1638		2260
1639	sub unique_maps() {	2261	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2262	[
1641	or return;	2263	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2264	utf8::decode $_;
1647	next if /\.pst$/;	2265	/\.map$/
1648	next unless /^$PATH_SEP/o;	2266	? normalise $_
1649		2267	: ()
1650	push @paths, cf::map::normalise $_;	2268	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2269	]
1652
1653	\@paths
1654	}	2270	}
1655		2271
1656	package cf;	2272	package cf;
1657		2273
1658	=back	2274	=back
…		…
1676	map { $_, inv_recursive_ $_->inv } @_	2292	map { $_, inv_recursive_ $_->inv } @_
1677	}	2293	}
1678		2294
1679	sub inv_recursive {	2295	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2296	inv_recursive_ inv $_[0]
		2297	}
		2298
		2299	=item $ref = $ob->ref
		2300
		2301	creates and returns a persistent reference to an objetc that can be stored as a string.
		2302
		2303	=item $ob = cf::object::deref ($refstring)
		2304
		2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2306	even if the object actually exists. May block.
		2307
		2308	=cut
		2309
		2310	sub deref {
		2311	my ($ref) = @_;
		2312
		2313	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2314	my ($uuid, $name) = ($1, $2);
		2315	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2316	or return;
		2317	$pl->ob->uuid eq $uuid
		2318	or return;
		2319
		2320	$pl->ob
		2321	} else {
		2322	warn "$ref: cannot resolve object reference\n";
		2323	undef
		2324	}
1681	}	2325	}
1682		2326
1683	package cf;	2327	package cf;
1684		2328
1685	=back	2329	=back
…		…
1704		2348
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2350
1707	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1709	} else {	2354	} else {
		2355	my $pl = $self->contr;
		2356
		2357	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2358	my $dialog = $pl->{npc_dialog};
		2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2360
		2361	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1712	}	2365	}
		2366	}
		2367
		2368	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2369
		2370	=cut
		2371
		2372	sub cf::object::send_msg {
		2373	my $pl = shift->contr
		2374	or return;
		2375	$pl->send_msg (@_);
1713	}	2376	}
1714		2377
1715	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1716		2379
1717	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2427	$self->deactivate_recursive;
1765		2428
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2429	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2430
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2432	if $self->map && $self->map->{path} ne "{link}";
1770		2433
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2435	}
1773		2436
1774	sub cf::object::player::leave_link {	2437	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2438	my ($self, $map, $x, $y) = @_;
		2439
		2440	return unless $self->contr->active;
1776		2441
1777	my $link_pos = delete $self->{_link_pos};	2442	my $link_pos = delete $self->{_link_pos};
1778		2443
1779	unless ($map) {	2444	unless ($map) {
1780	# restore original map position	2445	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1797		2462
1798	$map->load;	2463	$map->load;
1799	$map->load_diag;	2464	$map->load_neighbours;
1800		2465
1801	return unless $self->contr->active;	2466	return unless $self->contr->active;
1802	$self->activate_recursive;	2467	$self->activate_recursive;
		2468
		2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1804	}	2471	}
1805		2472
1806	cf::player->attach (	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2474
1810	# abort map switching before logout	2475	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2476	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2477	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2478	the new (success) or old (failed) map position. In either case, $done will
1814	};	2479	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2480
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2481	=cut
		2482
		2483	our $GOTOGEN;
1841		2484
1842	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2486	my ($self, $path, $x, $y, $check, $done) = @_;
		2487
		2488	# do generation counting so two concurrent goto's will be executed in-order
		2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2490
1845	$self->enter_link;	2491	$self->enter_link;
1846		2492
1847	(async {	2493	(async {
		2494	$Coro::current->{desc} = "player::goto $path $x $y";
		2495
		2496	# *tag paths override both path and x|y
		2497	if ($path =~ /^\*(.*)$/) {
		2498	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2499	my $ob = $obs[rand @obs];
		2500
		2501	# see if we actually can go there
		2502	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2503	$ob = $obs[rand @obs];
		2504	} else {
		2505	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2506	}
		2507	# else put us there anyways for now #d#
		2508
		2509	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2510	} else {
		2511	($path, $x, $y) = (undef, undef, undef);
		2512	}
		2513	}
		2514
1848	my $map = eval {	2515	my $map = eval {
1849	my $map = cf::map::find $path;	2516	my $map = defined $path ? cf::map::find $path : undef;
		2517
		2518	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2519	$map = $map->customise_for ($self);
		2520	$map = $check->($map) if $check && $map;
		2521	} else {
		2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2523	}
		2524
1851	$map	2525	$map
		2526	};
		2527
		2528	if ($@) {
		2529	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2530	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2531	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2532
		2533	if ($gen == $self->{_goto_generation}) {
		2534	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
		2536	}
		2537
		2538	$done->() if $done;
1856	})->prio (1);	2539	})->prio (1);
1857	}	2540	}
1858		2541
1859	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
1860		2543
…		…
1899		2582
1900	$rmp->{random_seed} ||= $exit->random_seed;	2583	$rmp->{random_seed} ||= $exit->random_seed;
1901		2584
1902	my $data = cf::to_json $rmp;	2585	my $data = cf::to_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2586	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2587	my $meta = "$RANDOMDIR/$md5.meta";
1905		2588
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2590	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2591	undef $fh;
1909	aio_rename "$meta~", $meta;	2592	aio_rename "$meta~", $meta;
…		…
1918		2601
1919	return unless $self->type == cf::PLAYER;	2602	return unless $self->type == cf::PLAYER;
1920		2603
1921	if ($exit->slaying eq "/!") {	2604	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job	2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2606	# the problem is that $exit might not survive long enough
		2607	# so it needs to be done right now, right here
1923	cf::sync_job { prepare_random_map $exit };	2608	cf::sync_job { prepare_random_map $exit };
1924	}	2609	}
1925		2610
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;	2612	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2613	my $sp = $exit->stats->sp;
1929		2614
1930	$self->enter_link;	2615	$self->enter_link;
1931		2616
		2617	# if exit is damned, update players death & WoR home-position
		2618	$self->contr->savebed ($slaying, $hp, $sp)
		2619	if $exit->flag (FLAG_DAMNED);
		2620
1932	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
1933	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2625	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2626	$self->goto ($slaying, $hp, $sp);
1936		2627
1937	1;	2628	1;
1938	}) {	2629	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2630	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2631	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2632	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2633	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2634
1944	warn "ERROR in enter_exit: $@";	2635	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2636	$self->leave_link;
1946	}	2637	}
1947	})->prio (1);	2638	})->prio (1);
…		…
1960		2651
1961	sub cf::client::send_drawinfo {	2652	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2653	my ($self, $text, $flags) = @_;
1963		2654
1964	utf8::encode $text;	2655	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2657	}
1967		2658
		2659	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2660
		2661	Send a drawinfo or msg packet to the client, formatting the msg for the
		2662	client if neccessary. C<$type> should be a string identifying the type of
		2663	the message, with C<log> being the default. If C<$color> is negative, suppress
		2664	the message unless the client supports the msg packet.
		2665
		2666	=cut
		2667
		2668	our %CHANNEL = (
		2669	"c/identify" => {
		2670	id => "infobox",
		2671	title => "Identify",
		2672	reply => undef,
		2673	tooltip => "Items recently identified",
		2674	},
		2675	"c/examine" => {
		2676	id => "infobox",
		2677	title => "Examine",
		2678	reply => undef,
		2679	tooltip => "Signs and other items you examined",
		2680	},
		2681	"c/lookat" => {
		2682	id => "infobox",
		2683	title => "Look",
		2684	reply => undef,
		2685	tooltip => "What you saw there",
		2686	},
		2687	);
		2688
		2689	sub cf::client::send_msg {
		2690	my ($self, $channel, $msg, $color, @extra) = @_;
		2691
		2692	$msg = $self->pl->expand_cfpod ($msg);
		2693
		2694	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2695
		2696	# check predefined channels, for the benefit of C
		2697	if ($CHANNEL{$channel}) {
		2698	$channel = $CHANNEL{$channel};
		2699
		2700	$self->ext_msg (channel_info => $channel)
		2701	if $self->can_msg;
		2702
		2703	$channel = $channel->{id};
		2704
		2705	} elsif (ref $channel) {
		2706	# send meta info to client, if not yet sent
		2707	unless (exists $self->{channel}{$channel->{id}}) {
		2708	$self->{channel}{$channel->{id}} = $channel;
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711	}
		2712
		2713	$channel = $channel->{id};
		2714	}
		2715
		2716	return unless @extra || length $msg;
		2717
		2718	if ($self->can_msg) {
		2719	# default colour, mask it out
		2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2721	if $color & cf::NDI_DEF;
		2722
		2723	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2725	} else {
		2726	if ($color >= 0) {
		2727	# replace some tags by gcfclient-compatible ones
		2728	for ($msg) {
		2729	1 while
		2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2735	}
		2736
		2737	$color &= cf::NDI_COLOR_MASK;
		2738
		2739	utf8::encode $msg;
		2740
		2741	if (0 && $msg =~ /\[/) {
		2742	# COMMAND/INFO
		2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2744	} else {
		2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2746	$self->send_packet ("drawinfo $color $msg")
		2747	}
		2748	}
		2749	}
		2750	}
		2751
		2752	=item $client->ext_msg ($type, @msg)
		2753
		2754	Sends an ext event to the client.
		2755
		2756	=cut
		2757
		2758	sub cf::client::ext_msg($$@) {
		2759	my ($self, $type, @msg) = @_;
		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
		2764	push @msg, msgtype => "event_$type";
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2766	}
		2767	}
		2768
		2769	=item $client->ext_reply ($msgid, @msg)
		2770
		2771	Sends an ext reply to the client.
		2772
		2773	=cut
		2774
		2775	sub cf::client::ext_reply($$@) {
		2776	my ($self, $id, @msg) = @_;
		2777
		2778	if ($self->extcmd == 2) {
		2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2780	} elsif ($self->extcmd == 1) {
		2781	#TODO: version 1, remove
		2782	unshift @msg, msgtype => "reply", msgid => $id;
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2784	}
		2785	}
1968		2786
1969	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
1970		2788
1971	Queues a query to the client, calling the given callback with	2789	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2790	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2791	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2792
1975	Queries can fail, so check the return code. Or don't, as queries will become	2793	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2794	become reliable at some point in the future.
1977		2795
1978	=cut	2796	=cut
1979		2797
1980	sub cf::client::query {	2798	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2807	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2809
1992	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
1994	}	2814	}
1995		2815
1996	cf::client->attach (	2816	cf::client->attach (
		2817	on_connect => sub {
		2818	my ($ns) = @_;
		2819
		2820	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2821	},
1997	on_reply => sub {	2822	on_reply => sub {
1998	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
1999		2824
2000	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
2001	# get handled first	2826	# get handled first
2002	my $queue = delete $ns->{query_queue}	2827	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2828	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2829
2005	(shift @$queue)->[1]->($msg);	2830	(shift @$queue)->[1]->($msg);
		2831	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2832
2007	push @{ $ns->{query_queue} }, @$queue;	2833	push @{ $ns->{query_queue} }, @$queue;
2008		2834
2009	if (@{ $ns->{query_queue} } == @$queue) {	2835	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2836	if (@$queue) {
…		…
2012	} else {	2838	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2840	}
2015	}	2841	}
2016	},	2842	},
		2843	on_exticmd => sub {
		2844	my ($ns, $buf) = @_;
		2845
		2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2847
		2848	if (ref $msg) {
		2849	my ($type, $reply, @payload) =
		2850	"ARRAY" eq ref $msg
		2851	? @$msg
		2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2853
		2854	my @reply;
		2855
		2856	if (my $cb = $EXTICMD{$type}) {
		2857	@reply = $cb->($ns, @payload);
		2858	}
		2859
		2860	$ns->ext_reply ($reply, @reply)
		2861	if $reply;
		2862
		2863	} else {
		2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2865	}
		2866
		2867	cf::override;
		2868	},
2017	);	2869	);
2018		2870
2019	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
2020		2872
2021	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
2064		2916
2065	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
2066		2918
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2919	$safe->permit_only (Opcode::opset qw(
		2920	:base_core :base_mem :base_orig :base_math
		2921	grepstart grepwhile mapstart mapwhile
		2922	sort time
		2923	));
2068		2924
2069	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
2070		2926
2071	=pod	2927	=pod
2072		2928
2073	The following fucntions and emthods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
2074		2930
2075	cf::object contr pay_amount pay_player map	2931	cf::object
		2932	contr pay_amount pay_player map x y force_find force_add destroy
		2933	insert remove name archname title slaying race decrease_ob_nr
		2934
2076	cf::object::player player	2935	cf::object::player
2077	cf::player peaceful	2936	player
2078	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
2079		2943
2080	=cut	2944	=cut
2081		2945
2082	for (	2946	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2948	insert remove inv name archname title slaying race
		2949	decrease_ob_nr destroy)],
2084	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2087	) {	2953	) {
2088	no strict 'refs';	2954	no strict 'refs';
…		…
2159	=back	3025	=back
2160		3026
2161	=cut	3027	=cut
2162		3028
2163	#############################################################################	3029	#############################################################################
		3030	# the server's init and main functions
2164		3031
2165	=head2 EXTENSION DATABASE SUPPORT	3032	sub load_facedata($) {
		3033	my ($path) = @_;
2166		3034
2167	Crossfire maintains a very simple database for extension use. It can	3035	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3036	# for this (global event?)
2169	excludes objects.	3037	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3038
2171	The parameter C<$family> should best start with the name of the extension	3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3040
2174	=over 4	3041	warn "loading facedata from $path\n";
2175		3042
2176	=item $hashref = cf::db_get $family	3043	my $facedata;
		3044	0 < aio_load $path, $facedata
		3045	or die "$path: $!";
2177		3046
2178	Return a hashref for use by the extension C<$family>, which can be	3047	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3048
2182	=item $value = cf::db_get $family => $key	3049	$facedata->{version} == 2
		3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3051
2184	Returns a single value from the database	3052	# patch in the exptable
2185		3053	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3054	type => FT_RSRC,
2187		3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3056	};
		3057	cf::cede_to_tick;
2214		3058
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3059	{
		3060	my $faces = $facedata->{faceinfo};
2226		3061
2227	my $dirty;	3062	while (my ($face, $info) = each %$faces) {
		3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3064	cf::face::set_visibility $idx, $info->{visibility};
		3065	cf::face::set_magicmap $idx, $info->{magicmap};
		3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2228		3068
2229	sub db_sync() {	3069	cf::cede_to_tick;
2230	db_save if $dirty;
2231	undef $dirty;
2232	}
2233
2234	my $idle = Event->idle (
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3070	}
2268	);
2269	}
2270		3071
2271	#############################################################################	3072	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3073	next unless $info->{smooth};
		3074	my $idx = cf::face::find $face
		3075	or next;
		3076	if (my $smooth = cf::face::find $info->{smooth}) {
		3077	cf::face::set_smooth $idx, $smooth;
		3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3079	} else {
		3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3081	}
2273		3082
2274	sub cfg_load {	3083	cf::cede_to_tick;
		3084	}
		3085	}
		3086
		3087	{
		3088	my $anims = $facedata->{animinfo};
		3089
		3090	while (my ($anim, $info) = each %$anims) {
		3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	cf::anim::invalidate_all; # d'oh
		3096	}
		3097
		3098	{
		3099	# TODO: for gcfclient pleasure, we should give resources
		3100	# that gcfclient doesn't grok a >10000 face index.
		3101	my $res = $facedata->{resource};
		3102
		3103	my $soundconf = delete $res->{"res/sound.conf"};
		3104
		3105	while (my ($name, $info) = each %$res) {
		3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3107	my $data;
		3108
		3109	if ($info->{type} & 1) {
		3110	# prepend meta info
		3111
		3112	my $meta = $enc->encode ({
		3113	name => $name,
		3114	%{ $info->{meta} || {} },
		3115	});
		3116
		3117	$data = pack "(w/a*)*", $meta, $info->{data};
		3118	} else {
		3119	$data = $info->{data};
		3120	}
		3121
		3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3123	cf::face::set_type $idx, $info->{type};
		3124
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	if ($soundconf) {
		3129	$soundconf = $enc->decode (delete $soundconf->{data});
		3130
		3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3132	my $sound = $soundconf->{compat}[$_]
		3133	or next;
		3134
		3135	my $face = cf::face::find "sound/$sound->[1]";
		3136	cf::sound::set $sound->[0] => $face;
		3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3138	}
		3139
		3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3141	my $face = cf::face::find "sound/$v";
		3142	cf::sound::set $k => $face;
		3143	}
		3144	}
		3145	}
		3146
		3147	1
		3148	}
		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($ns, $want) = @_;
		3152
		3153	while (my ($k, $v) = each %$want) {
		3154	$ns->fx_want ($k, $v);
		3155	}
		3156	};
		3157
		3158	sub reload_regions {
		3159	# HACK to clear player env face cache, we need some signal framework
		3160	# for this (global event?)
		3161	%ext::player_env::MUSIC_FACE_CACHE = ();
		3162
		3163	load_resource_file "$MAPDIR/regions"
		3164	or die "unable to load regions file\n";
		3165
		3166	for (cf::region::list) {
		3167	$_->{match} = qr/$_->{match}/
		3168	if exists $_->{match};
		3169	}
		3170	}
		3171
		3172	sub reload_facedata {
		3173	load_facedata "$DATADIR/facedata"
		3174	or die "unable to load facedata\n";
		3175	}
		3176
		3177	sub reload_archetypes {
		3178	load_resource_file "$DATADIR/archetypes"
		3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
		3183	load_resource_file "$DATADIR/archetypes"
		3184	or die "unable to load archetypes\n";
		3185	}
		3186
		3187	sub reload_treasures {
		3188	load_resource_file "$DATADIR/treasures"
		3189	or die "unable to load treasurelists\n";
		3190	}
		3191
		3192	sub reload_resources {
		3193	warn "reloading resource files...\n";
		3194
		3195	reload_regions;
		3196	reload_facedata;
		3197	#reload_archetypes;#d#
		3198	reload_archetypes;
		3199	reload_treasures;
		3200
		3201	warn "finished reloading resource files\n";
		3202	}
		3203
		3204	sub init {
		3205	reload_resources;
		3206	}
		3207
		3208	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3210	or return;
2277		3211
2278	local $/;	3212	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
2280		3214
…		…
2295	sub main {	3229	sub main {
2296	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2300	Event::one_event;	3235	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	3236	})->prio (Coro::PRIO_MAX);
2302	};	3237	};
2303		3238
2304	cfg_load;	3239	reload_config;
2305	db_load;	3240	db_init;
2306	load_extensions;	3241	load_extensions;
2307		3242
2308	$TICK_WATCHER->start;	3243	$TICK_WATCHER->start;
2309	Event::loop;	3244	Event::loop;
2310	}	3245	}
…		…
2325	},	3260	},
2326	);	3261	);
2327	}	3262	}
2328	}	3263	}
2329		3264
		3265	sub write_runtime {
		3266	my $runtime = "$LOCALDIR/runtime";
		3267
		3268	# first touch the runtime file to show we are still running:
		3269	# the fsync below can take a very very long time.
		3270
		3271	IO::AIO::aio_utime $runtime, undef, undef;
		3272
		3273	my $guard = cf::lock_acquire "write_runtime";
		3274
		3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3276	or return;
		3277
		3278	my $value = $cf::RUNTIME + 90 + 10;
		3279	# 10 is the runtime save interval, for a monotonic clock
		3280	# 60 allows for the watchdog to kill the server.
		3281
		3282	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3283	and return;
		3284
		3285	# always fsync - this file is important
		3286	aio_fsync $fh
		3287	and return;
		3288
		3289	# touch it again to show we are up-to-date
		3290	aio_utime $fh, undef, undef;
		3291
		3292	close $fh
		3293	or return;
		3294
		3295	aio_rename "$runtime~", $runtime
		3296	and return;
		3297
		3298	warn "runtime file written.\n";
		3299
		3300	1
		3301	}
		3302
2330	sub emergency_save() {	3303	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2332		3305
2333	warn "enter emergency perl save\n";	3306	warn "enter emergency perl save\n";
2334		3307
…		…
2338	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2340	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3317	$pl->save;
2344	}	3318	}
2345	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2346		3320
2347	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2349	my $map = $cf::MAP{$path} or next;	3323	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3324	$map->valid or next;
2351	$map->save;	3325	$map->save;
2352	}	3326	}
2353	warn "end emergency map save\n";	3327	warn "end emergency map save\n";
		3328
		3329	warn "begin emergency database checkpoint\n";
		3330	BDB::db_env_txn_checkpoint $DB_ENV;
		3331	warn "end emergency database checkpoint\n";
2354	};	3332	};
2355		3333
2356	warn "leave emergency perl save\n";	3334	warn "leave emergency perl save\n";
2357	}	3335	}
2358		3336
		3337	sub post_cleanup {
		3338	my ($make_core) = @_;
		3339
		3340	warn Carp::longmess "post_cleanup backtrace"
		3341	if $make_core;
		3342	}
		3343
2359	sub reload() {	3344	sub do_reload_perl() {
2360	# can/must only be called in main	3345	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3346	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3347	warn "can only reload from main coroutine";
2363	return;	3348	return;
2364	}	3349	}
2365		3350
2366	warn "reloading...";	3351	warn "reloading...";
2367		3352
2368	warn "cancelling server ticker";	3353	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3354
		3355	cf::sync_job {
		3356	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3357	cf::emergency_save;
		3358	cf::write_runtime; # external watchdog should not bark
2372		3359
2373	eval {	3360	warn "syncing database to disk";
		3361	BDB::db_env_txn_checkpoint $DB_ENV;
		3362
2374	# if anything goes wrong in here, we should simply crash as we already saved	3363	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378		3364
2379	warn "cancelling all WF_AUTOCANCEL watchers";	3365	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	3366	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	3367	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	3368	}
2383		3369
2384	warn "flushing outstanding aio requests";	3370	warn "flushing outstanding aio requests";
2385	for (;;) {	3371	for (;;) {
		3372	BDB::flush;
2386	IO::AIO::flush;	3373	IO::AIO::flush;
2387	Coro::cede;	3374	Coro::cede;
2388	last unless IO::AIO::nreqs;	3375	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3376	warn "iterate...";
2390	}	3377	}
		3378
		3379	++$RELOAD;
2391		3380
2392	warn "cancelling all extension coros";	3381	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3382	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3383	%EXT_CORO = ();
2395		3384
2396	warn "removing commands";	3385	warn "removing commands";
2397	%COMMAND = ();	3386	%COMMAND = ();
2398		3387
2399	warn "removing ext commands";	3388	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2401		3391
2402	warn "unloading/nuking all extensions";	3392	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2405		3395
…		…
2435	Symbol::delete_package "safe::$_"	3425	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3427
2438	warn "unloading cf.pm \"a bit\"";	3428	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3429	delete $INC{"cf.pm"};
		3430	delete $INC{"cf/pod.pm"};
2440		3431
2441	# don't, removes xs symbols, too,	3432	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3433	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3434	#Symbol::delete_package __PACKAGE__;
2444		3435
…		…
2447	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2448	require cf;	3439	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3441
2451	warn "loading config and database again";	3442	warn "loading config and database again";
2452	cf::cfg_load;	3443	cf::reload_config;
2453	cf::db_load;
2454		3444
2455	warn "loading extensions";	3445	warn "loading extensions";
2456	cf::load_extensions;	3446	cf::load_extensions;
2457		3447
2458	warn "reattaching attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3449	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3450	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3451	reattach $_ for values %MAP;
		3452	warn "reattaching attachments to players";
		3453	reattach $_ for values %PLAYER;
2462		3454
2463	warn "restarting server ticker";	3455	warn "leaving sync_job";
2464		3456
2465	$TICK_WATCHER->start;	3457	1
2466	};	3458	} or do {
2467
2468	if ($@) {
2469	warn $@;	3459	warn $@;
2470	warn "error while reloading, exiting.";	3460	warn "error while reloading, exiting.";
2471	exit 1;	3461	exit 1;
2472	}	3462	};
2473		3463
2474	warn "reloaded";	3464	warn "reloaded";
2475	};	3465	};
2476		3466
2477	our $RELOAD_WATCHER; # used only during reload	3467	our $RELOAD_WATCHER; # used only during reload
2478		3468
		3469	sub reload_perl() {
		3470	# doing reload synchronously and two reloads happen back-to-back,
		3471	# coro crashes during coro_state_free->destroy here.
		3472
		3473	$RELOAD_WATCHER ||= Event->timer (
		3474	reentrant => 0,
		3475	after => 0,
		3476	data => WF_AUTOCANCEL,
		3477	cb => sub {
		3478	do_reload_perl;
		3479	undef $RELOAD_WATCHER;
		3480	},
		3481	);
		3482	}
		3483
2479	register_command "reload" => sub {	3484	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2481		3486
2482	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3488	$who->message ("reloading server.");
2484		3489	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3490	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	3491	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3492	};
2497	}	3493	}
2498	};	3494	};
2499		3495
2500	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
2501		3497
2502	my $bug_warning = 0;	3498	my $bug_warning = 0;
		3499
		3500	our @WAIT_FOR_TICK;
		3501	our @WAIT_FOR_TICK_BEGIN;
		3502
		3503	sub wait_for_tick {
		3504	return unless $TICK_WATCHER->is_active;
		3505	return if $Coro::current == $Coro::main;
		3506
		3507	my $signal = new Coro::Signal;
		3508	push @WAIT_FOR_TICK, $signal;
		3509	$signal->wait;
		3510	}
		3511
		3512	sub wait_for_tick_begin {
		3513	return unless $TICK_WATCHER->is_active;
		3514	return if $Coro::current == $Coro::main;
		3515
		3516	my $signal = new Coro::Signal;
		3517	push @WAIT_FOR_TICK_BEGIN, $signal;
		3518	$signal->wait;
		3519	}
2503		3520
2504	$TICK_WATCHER = Event->timer (	3521	$TICK_WATCHER = Event->timer (
2505	reentrant => 0,	3522	reentrant => 0,
2506	parked => 1,	3523	parked => 1,
2507	prio => 0,	3524	prio => 0,
…		…
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3530	unless ++$bug_warning > 10;
2514	return;	3531	return;
2515	}	3532	}
2516		3533
2517	$NOW = Event::time;	3534	$NOW = $tick_start = Event::time;
2518		3535
2519	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
		3537
2520	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2522		3540
2523	$WAIT_FOR_TICK->broadcast;	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
2525		3543	Coro::async_pool {
2526	Event::sweep;	3544	$Coro::current->{desc} = "runtime saver";
2527	Coro::cede_notself;	3545	write_runtime
		3546	or warn "ERROR: unable to write runtime file: $!";
		3547	};
2528		3548	}
2529	# my $AFTER = Event::time;	3549
2530	# warn $AFTER - $NOW;#d#	3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3551	$sig->send;
		3552	}
		3553	while (my $sig = shift @WAIT_FOR_TICK) {
		3554	$sig->send;
		3555	}
		3556
		3557	$NOW = Event::time;
2531		3558
2532	# if we are delayed by four ticks or more, skip them all	3559	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3561
2535	$TICK_WATCHER->at ($NEXT_TICK);	3562	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3563	$TICK_WATCHER->start;
		3564
		3565	$LOAD = ($NOW - $tick_start) / $TICK;
		3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3567
		3568	_post_tick;
2537	},	3569	},
2538	);	3570	);
2539		3571
		3572	{
		3573	BDB::min_parallel 8;
		3574	BDB::max_poll_time $TICK * 0.1;
		3575	$BDB_POLL_WATCHER = Event->io (
		3576	reentrant => 0,
		3577	fd => BDB::poll_fileno,
		3578	poll => 'r',
		3579	prio => 0,
		3580	data => WF_AUTOCANCEL,
		3581	cb => \&BDB::poll_cb,
		3582	);
		3583
		3584	BDB::set_sync_prepare {
		3585	my $status;
		3586	my $current = $Coro::current;
		3587	(
		3588	sub {
		3589	$status = $!;
		3590	$current->ready; undef $current;
		3591	},
		3592	sub {
		3593	Coro::schedule while defined $current;
		3594	$! = $status;
		3595	},
		3596	)
		3597	};
		3598
		3599	unless ($DB_ENV) {
		3600	$DB_ENV = BDB::db_env_create;
		3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3602	| BDB::LOG_AUTOREMOVE, 1);
		3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3605
		3606	cf::sync_job {
		3607	eval {
		3608	BDB::db_env_open
		3609	$DB_ENV,
		3610	$BDBDIR,
		3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3613	0666;
		3614
		3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3616	};
		3617
		3618	cf::cleanup "db_env_open(db): $@" if $@;
		3619	};
		3620	}
		3621
		3622	$BDB_DEADLOCK_WATCHER = Event->timer (
		3623	after => 3,
		3624	interval => 1,
		3625	hard => 1,
		3626	prio => 0,
		3627	data => WF_AUTOCANCEL,
		3628	cb => sub {
		3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3630	},
		3631	);
		3632	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3633	after => 11,
		3634	interval => 60,
		3635	hard => 1,
		3636	prio => 0,
		3637	data => WF_AUTOCANCEL,
		3638	cb => sub {
		3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3640	},
		3641	);
		3642	$BDB_TRICKLE_WATCHER = Event->timer (
		3643	after => 5,
		3644	interval => 10,
		3645	hard => 1,
		3646	prio => 0,
		3647	data => WF_AUTOCANCEL,
		3648	cb => sub {
		3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3650	},
		3651	);
		3652	}
		3653
		3654	{
		3655	IO::AIO::min_parallel 8;
		3656
		3657	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	3658	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	3659	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3660	reentrant => 0,
		3661	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	3662	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	3663	poll => 'r',
2547	prio => 6,	3664	prio => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	3665	cb => \&IO::AIO::poll_cb,
2550	);	3666	);
		3667	}
2551		3668
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	3669	my $_log_backtrace;
2553	reentrant => 0,	3670
2554	data => WF_AUTOCANCEL,	3671	sub _log_backtrace {
2555	after => 1,	3672	my ($msg, @addr) = @_;
2556	interval => 10,	3673
2557	prio => 6, # keep it lowest so it acts like a watchdog	3674	$msg =~ s/\n//;
2558	cb => Coro::unblock_sub {	3675
2559	write_runtime	3676	# limit the # of concurrent backtraces
2560	or warn "ERROR: unable to write runtime file: $!";	3677	if ($_log_backtrace < 2) {
		3678	++$_log_backtrace;
		3679	async {
		3680	$Coro::current->{desc} = "abt $msg";
		3681
		3682	my @bt = fork_call {
		3683	@addr = map { sprintf "%x", $_ } @addr;
		3684	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3685	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3686	or die "addr2line: $!";
		3687
		3688	my @funcs;
		3689	my @res = <$fh>;
		3690	chomp for @res;
		3691	while (@res) {
		3692	my ($func, $line) = splice @res, 0, 2, ();
		3693	push @funcs, "[$func] $line";
		3694	}
		3695
		3696	@funcs
		3697	};
		3698
		3699	LOG llevInfo, "[ABT] $msg\n";
		3700	LOG llevInfo, "[ABT] $_\n" for @bt;
		3701	--$_log_backtrace;
		3702	};
		3703	} else {
		3704	LOG llevInfo, "[ABT] $msg\n";
		3705	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	3706	}
2562	);	3707	}
		3708
		3709	# load additional modules
		3710	use cf::pod;
2563		3711
2564	END { cf::emergency_save }	3712	END { cf::emergency_save }
2565		3713
2566	1	3714	1
2567		3715

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