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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 1.374 by root, Wed Sep 19 22:07:16 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 Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		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;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
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
305	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
308		435
309	my $busy = 1;	436	my $busy = 1;
310	my @res;	437	my @res;
311		438
312	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	441	@res = eval { $job->() };
314	warn $@ if $@;	442	warn $@ if $@;
315	undef $busy;	443	undef $busy;
316	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
317		445
318	while ($busy) {	446	while ($busy) {
319	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
320	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
321		456
322	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
323	} else {	458	} else {
324	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
325		460
…		…
345	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
346		481
347	$coro	482	$coro
348	}	483	}
349		484
350	sub write_runtime {	485	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		486
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	Executes the given code block with the given arguments in a seperate
354	or return;	488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
355		491
356	my $value = $cf::RUNTIME + 90 + 10;	492	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		493
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	sub fork_call(&@) {
361	and return;	495	my ($cb, @args) = @_;
362		496
363	aio_fsync $fh	497	# we seemingly have to make a local copy of the whole thing,
364	and return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
365		500
366	close $fh	501	my @res = Coro::Util::fork_eval {
367	or return;	502	reset_signals;
		503	&$cb
		504	}, @args;
368		505
369	aio_rename "$runtime~", $runtime	506	wantarray ? @res : $res[-1]
370	and return;	507	}
371		508
		509	=item $value = cf::db_get $family => $key
		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
372	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
		634	}
		635
		636	=item cf::datalog type => key => value, ...
		637
		638	Log a datalog packet of the given type with the given key-value pairs.
		639
		640	=cut
		641
		642	sub datalog($@) {
		643	my ($type, %kv) = @_;
		644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	645	}
374		646
375	=back	647	=back
376		648
377	=cut	649	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
386		658
387	In the following description, CLASS can be any of C<global>, C<object>	659	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	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	661	Crossfire TRT).
390		662
391	=over 4	663	=over 4
392		664
393	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
394		666
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
558		830
559	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		835
564	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	837	my $pkg = shift @arg;
566		838
567	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
597	}	869	}
598		870
599	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
600	} else {	872	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	874	}
603		875
604	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
605	}	877	}
606		878
…		…
608	if (ref $_[0]) {	880	if (ref $_[0]) {
609	_object_attach @_;	881	_object_attach @_;
610	} else {	882	} else {
611	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
612	}	884	}
		885	_recalc_want;
613	};	886	};
614		887
615	# all those should be optimised	888	# all those should be optimised
616	sub cf::attachable::detach {	889	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
621	reattach ($obj);	894	reattach ($obj);
622	} else {	895	} else {
623	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
624	}	897	}
		898	_recalc_want;
625	};	899	};
626		900
627	sub cf::attachable::attached {	901	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
629		903
…		…
644	";	918	";
645	die if $@;	919	die if $@;
646	}	920	}
647		921
648	our $override;	922	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		924
651	sub override {	925	sub override {
652	$override = 1;	926	$override = 1;
653	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
654	}	928	}
655		929
656	sub do_invoke {	930	sub do_invoke {
657	my $event = shift;	931	my $event = shift;
658	my $callbacks = shift;	932	my $callbacks = shift;
659		933
660	@invoke_results = ();	934	@INVOKE_RESULTS = ();
661		935
662	local $override;	936	local $override;
663		937
664	for (@$callbacks) {	938	for (@$callbacks) {
665	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
682		956
683	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
684		958
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	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	960	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		962
689	=back	963	=back
690		964
691	=cut	965	=cut
692		966
693	#############################################################################	967	#############################################################################
694	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
695		980
696	sub reattach {	981	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	983	my ($obj) = @_;
699		984
…		…
746	sub object_freezer_save {	1031	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
748		1033
749	sync_job {	1034	sync_job {
750	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
753		1039
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1043	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1044	close $fh;
759		1045
760	if (@$objs) {	1046	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1049	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1050	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1051	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1052	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1053	aio_rename "$filename.pst~", "$filename.pst";
768	}	1054	}
769	} else {	1055	} else {
770	aio_unlink "$filename.pst";	1056	aio_unlink "$filename.pst";
…		…
776	}	1062	}
777	} else {	1063	} else {
778	aio_unlink $filename;	1064	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
780	}	1066	}
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	}	1067	};
788	}	1068	}
789		1069
790	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
792		1072
…		…
797		1077
798	sub object_thawer_load {	1078	sub object_thawer_load {
799	my ($filename) = @_;	1079	my ($filename) = @_;
800		1080
801	my ($data, $av);	1081	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1082
806	(aio_load $filename, $data) >= 0	1083	(aio_load $filename, $data) >= 0
807	or return;	1084	or return;
808		1085
809	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
811	or return;	1088	or return;
		1089
812	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1091	}
814		1092
		1093	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
817	return ($data, $av);	1097	($data, $av)
818	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
819		1105
820	#############################################################################	1106	#############################################################################
821	# command handling &c	1107	# command handling &c
822		1108
823	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1123	}
838		1124
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1126
841	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
842		1132
843	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
844	called.	1134	called.
845		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
846	=cut	1147	=cut
847		1148
848	sub register_extcmd {	1149	sub register_extcmd {
849	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
850		1151
851	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
852	}	1159	}
853		1160
854	cf::player->attach (	1161	cf::player->attach (
855	on_command => sub {	1162	on_command => sub {
856	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1172	cf::override;
866	},	1173	},
867	on_extcmd => sub {	1174	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
869		1176
870	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1178
872	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
878	} else {	1194	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1196	}
881		1197
882	cf::override;	1198	cf::override;
883	},	1199	},
884	);	1200	);
885		1201
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 {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
921	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1207	next unless -r $path;
923	eval {	1208
924	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
925	1	1266	}
926	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
927	}	1272	};
928	}	1273	}
929		1274
930	#############################################################################	1275	#############################################################################
931		1276
		1277	=back
		1278
932	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
933		1280
934	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
935		1282
936	=cut	1283	=cut
…		…
941		1288
942	=head3 cf::player	1289	=head3 cf::player
943		1290
944	=over 4	1291	=over 4
945		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
946	=item cf::player::find $login	1307	=item cf::player::find $login
947		1308
948	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
949		1310
950	=cut	1311	=cut
951		1312
952	sub playerdir($) {	1313	sub playerdir($) {
953	cf::localdir	1314	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1316	}
959		1317
960	sub path($) {	1318	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1320
963	(playerdir $login) . "/$login.pl"	1321	(playerdir $login) . "/playerdata"
964	}	1322	}
965		1323
966	sub find_active($) {	1324	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1325	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1326	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1339	my $login = $_[0];
982		1340
983	my $guard = cf::lock_acquire "user_find:$login";	1341	my $guard = cf::lock_acquire "user_find:$login";
984		1342
985	$cf::PLAYER{$_[0]} || do {	1343	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1344	# rename old playerfiles to new ones
		1345	#TODO: remove when no longer required
		1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1349	aio_unlink +(playerdir $login) . "/$login.pl";
		1350
		1351	my $f = new_from_file cf::object::thawer path $login
987	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
989	}	1359	}
990	}	1360	}
991	}	1361	}
992		1362
…		…
1002		1372
1003	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1005		1375
1006	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1007	Coro::cede;	1377	cf::cede_to_tick;
1008	}	1378	}
1009		1379
1010	sub new($) {	1380	sub new($) {
1011	my ($login) = @_;	1381	my ($login) = @_;
1012		1382
…		…
1018	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1019		1389
1020	$self	1390	$self
1021	}	1391	}
1022		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
		1401	}
		1402
1023	=item $pl->quit_character	1403	=item $pl->quit_character
1024		1404
1025	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1406	be destroyed. May block for a long time.
1027		1407
1028	=cut	1408	=cut
1029		1409
1030	sub quit_character {	1410	sub quit_character {
1031	my ($pl) = @_;	1411	my ($pl) = @_;
		1412
		1413	my $name = $pl->ob->name;
1032		1414
1033	$pl->{deny_save} = 1;	1415	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1416	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1417
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1423	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1424	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1425	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1426	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1427	$pl->destroy;
		1428
		1429	my $prefix = qr<^~\Q$name\E/>;
		1430
		1431	# nuke player maps
		1432	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1433
1046	IO::AIO::aio_rmtree $temp;	1434	IO::AIO::aio_rmtree $temp;
		1435	}
		1436
		1437	=item $pl->kick
		1438
		1439	Kicks a player out of the game. This destroys the connection.
		1440
		1441	=cut
		1442
		1443	sub kick {
		1444	my ($pl, $kicker) = @_;
		1445
		1446	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1447	$pl->killer ("kicked");
		1448	$pl->ns->destroy;
1047	}	1449	}
1048		1450
1049	=item cf::player::list_logins	1451	=item cf::player::list_logins
1050		1452
1051	Returns am arrayref of all valid playernames in the system, can take a	1453	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1053		1455
1054	=cut	1456	=cut
1055		1457
1056	sub list_logins {	1458	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1460	or return [];
1059		1461
1060	my @logins;	1462	my @logins;
1061		1463
1062	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1066		1473
1067	utf8::decode $login;	1474	utf8::decode $login;
1068	push @logins, $login;	1475	push @logins, $login;
1069	}	1476	}
1070		1477
…		…
1078		1485
1079	=cut	1486	=cut
1080		1487
1081	sub maps($) {	1488	sub maps($) {
1082	my ($pl) = @_;	1489	my ($pl) = @_;
		1490
		1491	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1492
1084	my $files = aio_readdir playerdir $pl	1493	my $files = aio_readdir playerdir $pl
1085	or return;	1494	or return;
1086		1495
1087	my @paths;	1496	my @paths;
…		…
1089	for (@$files) {	1498	for (@$files) {
1090	utf8::decode $_;	1499	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1500	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1501	next unless /^$PATH_SEP/o;
1093		1502
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1503	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1504	}
1096		1505
1097	\@paths	1506	\@paths
1098	}	1507	}
1099		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1101		1561
1102	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1103		1563
1104	=cut	1564	=cut
1105		1565
1106	sub ext_reply($$$%) {	1566	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1108		1568
1109	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1570	}
1113		1571
1114	package cf;	1572	=item $player->ext_msg ($type, @msg)
		1573
		1574	Sends an ext event to the client.
		1575
		1576	=cut
		1577
		1578	sub ext_msg($$@) {
		1579	my ($self, $type, @msg) = @_;
		1580
		1581	$self->ns->ext_msg ($type, @msg);
		1582	}
		1583
		1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1115		1612
1116	=back	1613	=back
1117
1118		1614
1119	=head3 cf::map	1615	=head3 cf::map
1120		1616
1121	=over 4	1617	=over 4
1122		1618
…		…
1177	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1178		1674
1179	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1180	local $self->{path};	1676	local $self->{path};
1181	local $self->{load_path};	1677	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1678
1185	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1186	}	1680	}
1187		1681
1188	sub normalise {	1682	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1236	return $self;	1730	return $self;
1237	}	1731	}
1238	}	1732	}
1239		1733
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1735	()
1242	}	1736	}
1243		1737
1244	sub init {	1738	sub init {
1245	my ($self) = @_;	1739	my ($self) = @_;
…		…
1260		1754
1261	# the original (read-only) location	1755	# the original (read-only) location
1262	sub load_path {	1756	sub load_path {
1263	my ($self) = @_;	1757	my ($self) = @_;
1264		1758
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1266	}	1760	}
1267		1761
1268	# the temporary/swap location	1762	# the temporary/swap location
1269	sub save_path {	1763	sub save_path {
1270	my ($self) = @_;	1764	my ($self) = @_;
1271		1765
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1767	"$TMPDIR/$path.map"
1274	}	1768	}
1275		1769
1276	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1277	sub uniq_path {	1771	sub uniq_path {
1278	my ($self) = @_;	1772	my ($self) = @_;
1279		1773
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1775	"$UNIQUEDIR/$path"
1282	}	1776	}
1283		1777
1284	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1285	# all maps in C++...	1779	# all maps in C++...
1286	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1288		1782
1289	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1291	}	1785	}
1292		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1293	sub unlink_save {	1795	sub unlink_save {
1294	my ($self) = @_;	1796	my ($self) = @_;
1295		1797
1296	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1800	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	}	1801	}
1305		1802
1306	sub load_header_from($) {	1803	sub load_header_from($) {
1307	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1308		1805
1309	utf8::encode $path;	1806	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1315		1815
1316	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1317		1817
1318	1	1818	1
1319	}	1819	}
…		…
1358	$self->load_header_orig	1858	$self->load_header_orig
1359	or return;	1859	or return;
1360	$self->prepare_orig;	1860	$self->prepare_orig;
1361	}	1861	}
1362		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
		1868
1363	1	1869	1
1364	}	1870	}
1365		1871
1366	sub find;	1872	sub find;
1367	sub find {	1873	sub find {
1368	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1369		1875
1370	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1371		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1373		1880
1374	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1376	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1377	or return;	1886	or return;
1378		1887
1379	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1380		1889
1381	$map->load_header	1890	$map->load_header
1382	or return;	1891	or return;
1383		1892
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1387	$map->reset;	1898	$map->reset;
1388	undef $guard;
1389	return find $path;	1899	return find $path;
1390	}	1900	}
1391		1901
1392	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1393	}	1903	}
…		…
1400	my ($self) = @_;	1910	my ($self) = @_;
1401		1911
1402	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1403		1913
1404	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1406		1918
		1919	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		1921
1409	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1410		1923
1411	$self->alloc;	1924	$self->alloc;
1412		1925
1413	$self->pre_load;	1926	$self->pre_load;
		1927	cf::cede_to_tick;
1414		1928
1415	$self->_load_objects ($self->{load_path}, 1)	1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1416	or return;	1932	or return;
1417		1933
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};	1935	if delete $self->{load_original};
1420		1936
1421	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	1938	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	1941	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1426	}	1945	}
1427	}	1946	}
1428		1947
1429	Coro::cede;	1948	$f->resolve_delayed_derefs;
1430		1949
		1950	cf::cede_to_tick;
1431	# now do the right thing for maps	1951	# now do the right thing for maps
1432	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1433
1434	unless ($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)	1953	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	1954	unless $self->difficulty;
1442	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1443	$self->activate;	1964	$self->activate;
		1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
		1970	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	1971	}
1445		1972
1446	$self->post_load;	1973	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	1974	}
1450		1975
1451	sub customise_for {	1976	sub customise_for {
1452	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1453		1978
1454	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	1980	if $self->per_player;
1456		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1457	$self	1985	$self
1458	}	1986	}
1459		1987
1460	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	1989	sub load_neighbours {
1462	my ($map) = @_;	1990	my ($map) = @_;
1463		1991
1464	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1465		1993
1466	for (0 .. 3) {	1994	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1468	or next;	1996	or next;
1469	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1470	or next;	1998	or next;
1471	$neigh->load;	1999	$neigh->load;
1472		2000
		2001	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2004	}
1476		2005
1477	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1479	or next;	2009	or next;
1480	$neigh->load;	2010	$neigh->load;
1481	}	2011	}
1482	}	2012	}
1483		2013
…		…
1488	}	2018	}
1489		2019
1490	sub do_load_sync {	2020	sub do_load_sync {
1491	my ($map) = @_;	2021	my ($map) = @_;
1492		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1493	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1494	}	2027	}
1495		2028
1496	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1498		2031
1499	sub find_async {	2032	sub find_async {
1500	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1501		2034
1502	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1503		2036
1504	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1506	}	2039	}
1507		2040
1508	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1509	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1510	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2048	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2049	$map->load if $v;
		2050	}
1515		2051
1516	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1517	}	2053	}
1518	}	2054	}
1519	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1520	};	2056	};
1521	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2060	}
1525		2061
1526	sub save {	2062	sub save {
1527	my ($self) = @_;	2063	my ($self) = @_;
1528		2064
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2066
1531	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1532		2068
1533	return unless $self->dirty;	2069	return unless $self->dirty;
1534		2070
…		…
1540	return if $self->{deny_save};	2076	return if $self->{deny_save};
1541		2077
1542	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1543		2079
1544	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1546	};	2083	};
1547		2084
1548	if ($uniq) {	2085	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1557	my ($self) = @_;	2094	my ($self) = @_;
1558		2095
1559	# save first because save cedes	2096	# save first because save cedes
1560	$self->save;	2097	$self->save;
1561		2098
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2100
1564	return if $self->players;	2101	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};	2103	return if $self->{deny_save};
1567		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2109	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2110	}
1571		2111
1572	sub reset_at {	2112	sub reset_at {
1573	my ($self) = @_;	2113	my ($self) = @_;
1574		2114
1575	# TODO: safety, remove and allow resettable per-player maps	2115	# 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};	2116	return 1e99 if $self->{deny_reset};
1578		2117
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2120
…		…
1592	my ($self) = @_;	2131	my ($self) = @_;
1593		2132
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2134
1596	return if $self->players;	2135	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2136
1599	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
		2138
		2139	$self->in_memory (cf::MAP_SWAPPED);
		2140
		2141	# need to save uniques path
		2142	unless ($self->{deny_save}) {
		2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2144
		2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2146	if $uniq;
		2147	}
1600		2148
1601	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1602		2150
1603	$self->in_memory (cf::MAP_SWAPPED);	2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2153	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2154
1608	$self->unlink_save;	2155	$self->unlink_save;
1609	$self->destroy;	2156	$self->destroy;
1610	}	2157	}
1611		2158
1612	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1613		2160
1614	sub nuke {	2161	sub nuke {
1615	my ($self) = @_;	2162	my ($self) = @_;
1616		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1617	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1618		2168
1619	$self->unlink_save;	2169	$self->unlink_save;
1620		2170
1621	bless $self, "cf::map";	2171	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2176
1627	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1628		2179
1629	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1630	}	2217	}
1631		2218
1632	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1633		2220
1634	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2222	instantiated unique items. May block.
1636		2223
1637	=cut	2224	=cut
1638		2225
1639	sub unique_maps() {	2226	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1641	or return;	2228	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2229	utf8::decode $_;
1647	next if /\.pst$/;	2230	/\.map$/
1648	next unless /^$PATH_SEP/o;	2231	? normalise $_
1649		2232	: ()
1650	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2234	]
1652
1653	\@paths
1654	}	2235	}
1655		2236
1656	package cf;	2237	package cf;
1657		2238
1658	=back	2239	=back
…		…
1676	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1677	}	2258	}
1678		2259
1679	sub inv_recursive {	2260	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
1681	}	2293	}
1682		2294
1683	package cf;	2295	package cf;
1684		2296
1685	=back	2297	=back
…		…
1704		2316
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2318
1707	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1709	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1712	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1713	}	2344	}
1714		2345
1715	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1716		2347
1717	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2395	$self->deactivate_recursive;
1765		2396
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2397	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2398
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2400	if $self->map && $self->map->{path} ne "{link}";
1770		2401
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2403	}
1773		2404
1774	sub cf::object::player::leave_link {	2405	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2406	my ($self, $map, $x, $y) = @_;
		2407
		2408	return unless $self->contr->active;
1776		2409
1777	my $link_pos = delete $self->{_link_pos};	2410	my $link_pos = delete $self->{_link_pos};
1778		2411
1779	unless ($map) {	2412	unless ($map) {
1780	# restore original map position	2413	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
1797		2430
1798	$map->load;	2431	$map->load;
1799	$map->load_diag;	2432	$map->load_neighbours;
1800		2433
1801	return unless $self->contr->active;	2434	return unless $self->contr->active;
1802	$self->activate_recursive;	2435	$self->activate_recursive;
		2436
		2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
1804	}	2439	}
1805		2440
1806	cf::player->attach (	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2442
1810	# abort map switching before logout	2443	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2444	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2445	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2446	the new (success) or old (failed) map position. In either case, $done will
1814	};	2447	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2448
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	2449	=cut
		2450
		2451	our $GOTOGEN;
1841		2452
1842	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
		2455
		2456	# do generation counting so two concurrent goto's will be executed in-order
		2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2458
1845	$self->enter_link;	2459	$self->enter_link;
1846		2460
1847	(async {	2461	(async {
		2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1848	my $map = eval {	2483	my $map = eval {
1849	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1851	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2499	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1856	})->prio (1);	2507	})->prio (1);
1857	}	2508	}
1858		2509
1859	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1860		2511
…		…
1899		2550
1900	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1901		2552
1902	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2555	my $meta = "$RANDOMDIR/$md5.meta";
1905		2556
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2559	undef $fh;
1909	aio_rename "$meta~", $meta;	2560	aio_rename "$meta~", $meta;
…		…
1918		2569
1919	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1920		2571
1921	if ($exit->slaying eq "/!") {	2572	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job	2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2574	# the problem is that $exit might not survive long enough
		2575	# so it needs to be done right now, right here
1923	cf::sync_job { prepare_random_map $exit };	2576	cf::sync_job { prepare_random_map $exit };
1924	}	2577	}
1925		2578
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
1929		2582
1930	$self->enter_link;	2583	$self->enter_link;
1931		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
1932	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
1933	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2593	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2594	$self->goto ($slaying, $hp, $sp);
1936		2595
1937	1;	2596	1;
1938	}) {	2597	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2598	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2599	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2600	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2601	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2602
1944	warn "ERROR in enter_exit: $@";	2603	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2604	$self->leave_link;
1946	}	2605	}
1947	})->prio (1);	2606	})->prio (1);
…		…
1960		2619
1961	sub cf::client::send_drawinfo {	2620	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2621	my ($self, $text, $flags) = @_;
1963		2622
1964	utf8::encode $text;	2623	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2625	}
1967		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "identify",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "examine",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	);
		2650
		2651	sub cf::client::send_msg {
		2652	my ($self, $channel, $msg, $color, @extra) = @_;
		2653
		2654	$msg = $self->pl->expand_cfpod ($msg);
		2655
		2656	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2657
		2658	# check predefined channels, for the benefit of C
		2659	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2660
		2661	if (ref $channel) {
		2662	# send meta info to client, if not yet sent
		2663	unless (exists $self->{channel}{$channel->{id}}) {
		2664	$self->{channel}{$channel->{id}} = $channel;
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667	}
		2668
		2669	$channel = $channel->{id};
		2670	}
		2671
		2672	return unless @extra || length $msg;
		2673
		2674	if ($self->can_msg) {
		2675	# default colour, mask it out
		2676	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2677	if $color & cf::NDI_DEF;
		2678
		2679	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2680	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2681	} else {
		2682	if ($color >= 0) {
		2683	# replace some tags by gcfclient-compatible ones
		2684	for ($msg) {
		2685	1 while
		2686	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2687	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2688	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2689	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2690	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2691	}
		2692
		2693	$color &= cf::NDI_COLOR_MASK;
		2694
		2695	utf8::encode $msg;
		2696
		2697	if (0 && $msg =~ /\[/) {
		2698	# COMMAND/INFO
		2699	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2700	} else {
		2701	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2702	$self->send_packet ("drawinfo $color $msg")
		2703	}
		2704	}
		2705	}
		2706	}
		2707
		2708	=item $client->ext_msg ($type, @msg)
		2709
		2710	Sends an ext event to the client.
		2711
		2712	=cut
		2713
		2714	sub cf::client::ext_msg($$@) {
		2715	my ($self, $type, @msg) = @_;
		2716
		2717	if ($self->extcmd == 2) {
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2719	} elsif ($self->extcmd == 1) { # TODO: remove
		2720	push @msg, msgtype => "event_$type";
		2721	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2722	}
		2723	}
		2724
		2725	=item $client->ext_reply ($msgid, @msg)
		2726
		2727	Sends an ext reply to the client.
		2728
		2729	=cut
		2730
		2731	sub cf::client::ext_reply($$@) {
		2732	my ($self, $id, @msg) = @_;
		2733
		2734	if ($self->extcmd == 2) {
		2735	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2736	} elsif ($self->extcmd == 1) {
		2737	#TODO: version 1, remove
		2738	unshift @msg, msgtype => "reply", msgid => $id;
		2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
1968		2742
1969	=item $success = $client->query ($flags, "text", \&cb)	2743	=item $success = $client->query ($flags, "text", \&cb)
1970		2744
1971	Queues a query to the client, calling the given callback with	2745	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>,	2746	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>.	2747	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2748
1975	Queries can fail, so check the return code. Or don't, as queries will become	2749	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2750	become reliable at some point in the future.
1977		2751
1978	=cut	2752	=cut
1979		2753
1980	sub cf::client::query {	2754	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2755	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2763	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2764	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2765
1992	$self->send_packet ($self->{query_queue}[0][0])	2766	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2767	if @{ $self->{query_queue} } == 1;
		2768
		2769	1
1994	}	2770	}
1995		2771
1996	cf::client->attach (	2772	cf::client->attach (
		2773	on_connect => sub {
		2774	my ($ns) = @_;
		2775
		2776	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2777	},
1997	on_reply => sub {	2778	on_reply => sub {
1998	my ($ns, $msg) = @_;	2779	my ($ns, $msg) = @_;
1999		2780
2000	# this weird shuffling is so that direct followup queries	2781	# this weird shuffling is so that direct followup queries
2001	# get handled first	2782	# get handled first
2002	my $queue = delete $ns->{query_queue}	2783	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2784	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2785
2005	(shift @$queue)->[1]->($msg);	2786	(shift @$queue)->[1]->($msg);
		2787	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2788
2007	push @{ $ns->{query_queue} }, @$queue;	2789	push @{ $ns->{query_queue} }, @$queue;
2008		2790
2009	if (@{ $ns->{query_queue} } == @$queue) {	2791	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2792	if (@$queue) {
…		…
2012	} else {	2794	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2795	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2796	}
2015	}	2797	}
2016	},	2798	},
		2799	on_exticmd => sub {
		2800	my ($ns, $buf) = @_;
		2801
		2802	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2803
		2804	if (ref $msg) {
		2805	my ($type, $reply, @payload) =
		2806	"ARRAY" eq ref $msg
		2807	? @$msg
		2808	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2809
		2810	my @reply;
		2811
		2812	if (my $cb = $EXTICMD{$type}) {
		2813	@reply = $cb->($ns, @payload);
		2814	}
		2815
		2816	$ns->ext_reply ($reply, @reply)
		2817	if $reply;
		2818
		2819	} else {
		2820	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2821	}
		2822
		2823	cf::override;
		2824	},
2017	);	2825	);
2018		2826
2019	=item $client->async (\&cb)	2827	=item $client->async (\&cb)
2020		2828
2021	Create a new coroutine, running the specified callback. The coroutine will	2829	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	2870	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	2871	our $safe_hole = new Safe::Hole;
2064		2872
2065	$SIG{FPE} = 'IGNORE';	2873	$SIG{FPE} = 'IGNORE';
2066		2874
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2875	$safe->permit_only (Opcode::opset qw(
		2876	:base_core :base_mem :base_orig :base_math
		2877	grepstart grepwhile mapstart mapwhile
		2878	sort time
		2879	));
2068		2880
2069	# here we export the classes and methods available to script code	2881	# here we export the classes and methods available to script code
2070		2882
2071	=pod	2883	=pod
2072		2884
2073	The following fucntions and emthods are available within a safe environment:	2885	The following functions and methods are available within a safe environment:
2074		2886
2075	cf::object contr pay_amount pay_player map	2887	cf::object
		2888	contr pay_amount pay_player map x y force_find force_add
		2889	insert remove name archname title slaying race decrease_ob_nr
		2890
2076	cf::object::player player	2891	cf::object::player
2077	cf::player peaceful	2892	player
2078	cf::map trigger	2893
		2894	cf::player
		2895	peaceful
		2896
		2897	cf::map
		2898	trigger
2079		2899
2080	=cut	2900	=cut
2081		2901
2082	for (	2902	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	2903	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2904	insert remove inv name archname title slaying race
		2905	decrease_ob_nr)],
2084	["cf::object::player" => qw(player)],	2906	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	2907	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	2908	["cf::map" => qw(trigger)],
2087	) {	2909	) {
2088	no strict 'refs';	2910	no strict 'refs';
…		…
2159	=back	2981	=back
2160		2982
2161	=cut	2983	=cut
2162		2984
2163	#############################################################################	2985	#############################################################################
		2986	# the server's init and main functions
2164		2987
2165	=head2 EXTENSION DATABASE SUPPORT	2988	sub load_facedata($) {
		2989	my ($path) = @_;
2166		2990
2167	Crossfire maintains a very simple database for extension use. It can	2991	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	2992	# for this (global event?)
2169	excludes objects.	2993	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		2994
2171	The parameter C<$family> should best start with the name of the extension	2995	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		2996
2174	=over 4	2997	warn "loading facedata from $path\n";
2175		2998
2176	=item $hashref = cf::db_get $family	2999	my $facedata;
		3000	0 < aio_load $path, $facedata
		3001	or die "$path: $!";
2177		3002
2178	Return a hashref for use by the extension C<$family>, which can be	3003	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3004
2182	=item $value = cf::db_get $family => $key	3005	$facedata->{version} == 2
		3006	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3007
2184	Returns a single value from the database	3008	# patch in the exptable
2185		3009	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3010	type => FT_RSRC,
2187		3011	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	}	3012	};
		3013	cf::cede_to_tick;
2214		3014
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	}	3015	{
		3016	my $faces = $facedata->{faceinfo};
2226		3017
2227	my $dirty;	3018	while (my ($face, $info) = each %$faces) {
		3019	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3020	cf::face::set_visibility $idx, $info->{visibility};
		3021	cf::face::set_magicmap $idx, $info->{magicmap};
		3022	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3023	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2228		3024
2229	sub db_sync() {	3025	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	},	3026	}
2268	);
2269	}
2270		3027
2271	#############################################################################	3028	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3029	next unless $info->{smooth};
		3030	my $idx = cf::face::find $face
		3031	or next;
		3032	if (my $smooth = cf::face::find $info->{smooth}) {
		3033	cf::face::set_smooth $idx, $smooth;
		3034	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3035	} else {
		3036	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3037	}
2273		3038
2274	sub cfg_load {	3039	cf::cede_to_tick;
		3040	}
		3041	}
		3042
		3043	{
		3044	my $anims = $facedata->{animinfo};
		3045
		3046	while (my ($anim, $info) = each %$anims) {
		3047	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3048	cf::cede_to_tick;
		3049	}
		3050
		3051	cf::anim::invalidate_all; # d'oh
		3052	}
		3053
		3054	{
		3055	# TODO: for gcfclient pleasure, we should give resources
		3056	# that gcfclient doesn't grok a >10000 face index.
		3057	my $res = $facedata->{resource};
		3058
		3059	my $soundconf = delete $res->{"res/sound.conf"};
		3060
		3061	while (my ($name, $info) = each %$res) {
		3062	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3063	my $data;
		3064
		3065	if ($info->{type} & 1) {
		3066	# prepend meta info
		3067
		3068	my $meta = $enc->encode ({
		3069	name => $name,
		3070	%{ $info->{meta} || {} },
		3071	});
		3072
		3073	$data = pack "(w/a*)*", $meta, $info->{data};
		3074	} else {
		3075	$data = $info->{data};
		3076	}
		3077
		3078	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3079	cf::face::set_type $idx, $info->{type};
		3080
		3081	cf::cede_to_tick;
		3082	}
		3083
		3084	if ($soundconf) {
		3085	$soundconf = $enc->decode (delete $soundconf->{data});
		3086
		3087	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3088	my $sound = $soundconf->{compat}[$_]
		3089	or next;
		3090
		3091	my $face = cf::face::find "sound/$sound->[1]";
		3092	cf::sound::set $sound->[0] => $face;
		3093	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3094	}
		3095
		3096	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3097	my $face = cf::face::find "sound/$v";
		3098	cf::sound::set $k => $face;
		3099	}
		3100	}
		3101	}
		3102
		3103	1
		3104	}
		3105
		3106	register_exticmd fx_want => sub {
		3107	my ($ns, $want) = @_;
		3108
		3109	while (my ($k, $v) = each %$want) {
		3110	$ns->fx_want ($k, $v);
		3111	}
		3112	};
		3113
		3114	sub reload_regions {
		3115	# HACK to clear player env face cache, we need some signal framework
		3116	# for this (global event?)
		3117	%ext::player_env::MUSIC_FACE_CACHE = ();
		3118
		3119	load_resource_file "$MAPDIR/regions"
		3120	or die "unable to load regions file\n";
		3121
		3122	for (cf::region::list) {
		3123	$_->{match} = qr/$_->{match}/
		3124	if exists $_->{match};
		3125	}
		3126	}
		3127
		3128	sub reload_facedata {
		3129	load_facedata "$DATADIR/facedata"
		3130	or die "unable to load facedata\n";
		3131	}
		3132
		3133	sub reload_archetypes {
		3134	load_resource_file "$DATADIR/archetypes"
		3135	or die "unable to load archetypes\n";
		3136	#d# NEED to laod twice to resolve forward references
		3137	# this really needs to be done in an extra post-pass
		3138	# (which needs to be synchronous, so solve it differently)
		3139	load_resource_file "$DATADIR/archetypes"
		3140	or die "unable to load archetypes\n";
		3141	}
		3142
		3143	sub reload_treasures {
		3144	load_resource_file "$DATADIR/treasures"
		3145	or die "unable to load treasurelists\n";
		3146	}
		3147
		3148	sub reload_resources {
		3149	warn "reloading resource files...\n";
		3150
		3151	reload_regions;
		3152	reload_facedata;
		3153	#reload_archetypes;#d#
		3154	reload_archetypes;
		3155	reload_treasures;
		3156
		3157	warn "finished reloading resource files\n";
		3158	}
		3159
		3160	sub init {
		3161	reload_resources;
		3162	}
		3163
		3164	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3165	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3166	or return;
2277		3167
2278	local $/;	3168	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3169	*CFG = YAML::Syck::Load <$fh>;
2280		3170
…		…
2295	sub main {	3185	sub main {
2296	# we must not ever block the main coroutine	3186	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3187	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3188	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3189	(async {
		3190	$Coro::current->{desc} = "IDLE BUG HANDLER";
2300	Event::one_event;	3191	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	3192	})->prio (Coro::PRIO_MAX);
2302	};	3193	};
2303		3194
2304	cfg_load;	3195	reload_config;
2305	db_load;	3196	db_init;
2306	load_extensions;	3197	load_extensions;
2307		3198
2308	$TICK_WATCHER->start;	3199	$TICK_WATCHER->start;
2309	Event::loop;	3200	Event::loop;
2310	}	3201	}
…		…
2325	},	3216	},
2326	);	3217	);
2327	}	3218	}
2328	}	3219	}
2329		3220
		3221	sub write_runtime {
		3222	my $runtime = "$LOCALDIR/runtime";
		3223
		3224	# first touch the runtime file to show we are still running:
		3225	# the fsync below can take a very very long time.
		3226
		3227	IO::AIO::aio_utime $runtime, undef, undef;
		3228
		3229	my $guard = cf::lock_acquire "write_runtime";
		3230
		3231	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3232	or return;
		3233
		3234	my $value = $cf::RUNTIME + 90 + 10;
		3235	# 10 is the runtime save interval, for a monotonic clock
		3236	# 60 allows for the watchdog to kill the server.
		3237
		3238	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3239	and return;
		3240
		3241	# always fsync - this file is important
		3242	aio_fsync $fh
		3243	and return;
		3244
		3245	# touch it again to show we are up-to-date
		3246	aio_utime $fh, undef, undef;
		3247
		3248	close $fh
		3249	or return;
		3250
		3251	aio_rename "$runtime~", $runtime
		3252	and return;
		3253
		3254	warn "runtime file written.\n";
		3255
		3256	1
		3257	}
		3258
2330	sub emergency_save() {	3259	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3260	my $freeze_guard = cf::freeze_mainloop;
2332		3261
2333	warn "enter emergency perl save\n";	3262	warn "enter emergency perl save\n";
2334		3263
…		…
2349	my $map = $cf::MAP{$path} or next;	3278	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3279	$map->valid or next;
2351	$map->save;	3280	$map->save;
2352	}	3281	}
2353	warn "end emergency map save\n";	3282	warn "end emergency map save\n";
		3283
		3284	warn "begin emergency database checkpoint\n";
		3285	BDB::db_env_txn_checkpoint $DB_ENV;
		3286	warn "end emergency database checkpoint\n";
2354	};	3287	};
2355		3288
2356	warn "leave emergency perl save\n";	3289	warn "leave emergency perl save\n";
2357	}	3290	}
2358		3291
		3292	sub post_cleanup {
		3293	my ($make_core) = @_;
		3294
		3295	warn Carp::longmess "post_cleanup backtrace"
		3296	if $make_core;
		3297	}
		3298
2359	sub reload() {	3299	sub do_reload_perl() {
2360	# can/must only be called in main	3300	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3301	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3302	warn "can only reload from main coroutine";
2363	return;	3303	return;
2364	}	3304	}
2365		3305
2366	warn "reloading...";	3306	warn "reloading...";
2367		3307
2368	warn "cancelling server ticker";	3308	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3309
		3310	cf::sync_job {
		3311	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3312	cf::emergency_save;
		3313	cf::write_runtime; # external watchdog should not bark
2372		3314
2373	eval {	3315	warn "syncing database to disk";
		3316	BDB::db_env_txn_checkpoint $DB_ENV;
		3317
2374	# if anything goes wrong in here, we should simply crash as we already saved	3318	# 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		3319
2379	warn "cancelling all WF_AUTOCANCEL watchers";	3320	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	3321	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	3322	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	3323	}
2383		3324
2384	warn "flushing outstanding aio requests";	3325	warn "flushing outstanding aio requests";
2385	for (;;) {	3326	for (;;) {
		3327	BDB::flush;
2386	IO::AIO::flush;	3328	IO::AIO::flush;
2387	Coro::cede;	3329	Coro::cede;
2388	last unless IO::AIO::nreqs;	3330	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3331	warn "iterate...";
2390	}	3332	}
		3333
		3334	++$RELOAD;
2391		3335
2392	warn "cancelling all extension coros";	3336	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3337	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3338	%EXT_CORO = ();
2395		3339
2396	warn "removing commands";	3340	warn "removing commands";
2397	%COMMAND = ();	3341	%COMMAND = ();
2398		3342
2399	warn "removing ext commands";	3343	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3344	%EXTCMD = ();
		3345	%EXTICMD = ();
2401		3346
2402	warn "unloading/nuking all extensions";	3347	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3348	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3349	warn "... unloading $pkg";
2405		3350
…		…
2435	Symbol::delete_package "safe::$_"	3380	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3381	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3382
2438	warn "unloading cf.pm \"a bit\"";	3383	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3384	delete $INC{"cf.pm"};
		3385	delete $INC{"cf/pod.pm"};
2440		3386
2441	# don't, removes xs symbols, too,	3387	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3388	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3389	#Symbol::delete_package __PACKAGE__;
2444		3390
…		…
2447	warn "reloading cf.pm";	3393	warn "reloading cf.pm";
2448	require cf;	3394	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3395	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3396
2451	warn "loading config and database again";	3397	warn "loading config and database again";
2452	cf::cfg_load;	3398	cf::reload_config;
2453	cf::db_load;
2454		3399
2455	warn "loading extensions";	3400	warn "loading extensions";
2456	cf::load_extensions;	3401	cf::load_extensions;
2457		3402
2458	warn "reattaching attachments to objects/players";	3403	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3404	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3405	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3406	reattach $_ for values %MAP;
		3407	warn "reattaching attachments to players";
		3408	reattach $_ for values %PLAYER;
2462		3409
2463	warn "restarting server ticker";	3410	warn "leaving sync_job";
2464		3411
2465	$TICK_WATCHER->start;	3412	1
2466	};	3413	} or do {
2467
2468	if ($@) {
2469	warn $@;	3414	warn $@;
2470	warn "error while reloading, exiting.";	3415	warn "error while reloading, exiting.";
2471	exit 1;	3416	exit 1;
2472	}	3417	};
2473		3418
2474	warn "reloaded";	3419	warn "reloaded";
2475	};	3420	};
2476		3421
2477	our $RELOAD_WATCHER; # used only during reload	3422	our $RELOAD_WATCHER; # used only during reload
2478		3423
		3424	sub reload_perl() {
		3425	# doing reload synchronously and two reloads happen back-to-back,
		3426	# coro crashes during coro_state_free->destroy here.
		3427
		3428	$RELOAD_WATCHER ||= Event->timer (
		3429	reentrant => 0,
		3430	after => 0,
		3431	data => WF_AUTOCANCEL,
		3432	cb => sub {
		3433	do_reload_perl;
		3434	undef $RELOAD_WATCHER;
		3435	},
		3436	);
		3437	}
		3438
2479	register_command "reload" => sub {	3439	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3440	my ($who, $arg) = @_;
2481		3441
2482	if ($who->flag (FLAG_WIZ)) {	3442	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3443	$who->message ("reloading server.");
2484		3444	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3445	$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;	3446	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3447	};
2497	}	3448	}
2498	};	3449	};
2499		3450
2500	unshift @INC, $LIBDIR;	3451	unshift @INC, $LIBDIR;
2501		3452
2502	my $bug_warning = 0;	3453	my $bug_warning = 0;
		3454
		3455	our @WAIT_FOR_TICK;
		3456	our @WAIT_FOR_TICK_BEGIN;
		3457
		3458	sub wait_for_tick {
		3459	return unless $TICK_WATCHER->is_active;
		3460	return if $Coro::current == $Coro::main;
		3461
		3462	my $signal = new Coro::Signal;
		3463	push @WAIT_FOR_TICK, $signal;
		3464	$signal->wait;
		3465	}
		3466
		3467	sub wait_for_tick_begin {
		3468	return unless $TICK_WATCHER->is_active;
		3469	return if $Coro::current == $Coro::main;
		3470
		3471	my $signal = new Coro::Signal;
		3472	push @WAIT_FOR_TICK_BEGIN, $signal;
		3473	$signal->wait;
		3474	}
2503		3475
2504	$TICK_WATCHER = Event->timer (	3476	$TICK_WATCHER = Event->timer (
2505	reentrant => 0,	3477	reentrant => 0,
2506	parked => 1,	3478	parked => 1,
2507	prio => 0,	3479	prio => 0,
…		…
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3484	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3485	unless ++$bug_warning > 10;
2514	return;	3486	return;
2515	}	3487	}
2516		3488
2517	$NOW = Event::time;	3489	$NOW = $tick_start = Event::time;
2518		3490
2519	cf::server_tick; # one server iteration	3491	cf::server_tick; # one server iteration
		3492
2520	$RUNTIME += $TICK;	3493	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	3494	$NEXT_TICK += $TICK;
2522		3495
2523	$WAIT_FOR_TICK->broadcast;	3496	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3497	$NEXT_RUNTIME_WRITE = $NOW + 10;
2525		3498	Coro::async_pool {
2526	Event::sweep;	3499	$Coro::current->{desc} = "runtime saver";
2527	Coro::cede_notself;	3500	write_runtime
		3501	or warn "ERROR: unable to write runtime file: $!";
		3502	};
2528		3503	}
2529	# my $AFTER = Event::time;	3504
2530	# warn $AFTER - $NOW;#d#	3505	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3506	$sig->send;
		3507	}
		3508	while (my $sig = shift @WAIT_FOR_TICK) {
		3509	$sig->send;
		3510	}
		3511
		3512	$NOW = Event::time;
2531		3513
2532	# if we are delayed by four ticks or more, skip them all	3514	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3515	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3516
2535	$TICK_WATCHER->at ($NEXT_TICK);	3517	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3518	$TICK_WATCHER->start;
		3519
		3520	$LOAD = ($NOW - $tick_start) / $TICK;
		3521	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3522
		3523	_post_tick;
2537	},	3524	},
2538	);	3525	);
2539		3526
		3527	{
		3528	BDB::min_parallel 8;
		3529	BDB::max_poll_time $TICK * 0.1;
		3530	$BDB_POLL_WATCHER = Event->io (
		3531	reentrant => 0,
		3532	fd => BDB::poll_fileno,
		3533	poll => 'r',
		3534	prio => 0,
		3535	data => WF_AUTOCANCEL,
		3536	cb => \&BDB::poll_cb,
		3537	);
		3538
		3539	BDB::set_sync_prepare {
		3540	my $status;
		3541	my $current = $Coro::current;
		3542	(
		3543	sub {
		3544	$status = $!;
		3545	$current->ready; undef $current;
		3546	},
		3547	sub {
		3548	Coro::schedule while defined $current;
		3549	$! = $status;
		3550	},
		3551	)
		3552	};
		3553
		3554	unless ($DB_ENV) {
		3555	$DB_ENV = BDB::db_env_create;
		3556	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3557	| BDB::LOG_AUTOREMOVE, 1);
		3558	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3559	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3560
		3561	cf::sync_job {
		3562	eval {
		3563	BDB::db_env_open
		3564	$DB_ENV,
		3565	$BDBDIR,
		3566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3568	0666;
		3569
		3570	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3571	};
		3572
		3573	cf::cleanup "db_env_open(db): $@" if $@;
		3574	};
		3575	}
		3576
		3577	$BDB_DEADLOCK_WATCHER = Event->timer (
		3578	after => 3,
		3579	interval => 1,
		3580	hard => 1,
		3581	prio => 0,
		3582	data => WF_AUTOCANCEL,
		3583	cb => sub {
		3584	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3585	},
		3586	);
		3587	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3588	after => 11,
		3589	interval => 60,
		3590	hard => 1,
		3591	prio => 0,
		3592	data => WF_AUTOCANCEL,
		3593	cb => sub {
		3594	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3595	},
		3596	);
		3597	$BDB_TRICKLE_WATCHER = Event->timer (
		3598	after => 5,
		3599	interval => 10,
		3600	hard => 1,
		3601	prio => 0,
		3602	data => WF_AUTOCANCEL,
		3603	cb => sub {
		3604	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3605	},
		3606	);
		3607	}
		3608
		3609	{
		3610	IO::AIO::min_parallel 8;
		3611
		3612	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	3613	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	3614	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3615	reentrant => 0,
		3616	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	3617	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	3618	poll => 'r',
2547	prio => 6,	3619	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	3620	cb => \&IO::AIO::poll_cb,
2550	);	3621	);
		3622	}
2551		3623
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	3624	my $_log_backtrace;
2553	reentrant => 0,	3625
2554	data => WF_AUTOCANCEL,	3626	sub _log_backtrace {
2555	after => 1,	3627	my ($msg, @addr) = @_;
2556	interval => 10,	3628
2557	prio => 6, # keep it lowest so it acts like a watchdog	3629	$msg =~ s/\n//;
2558	cb => Coro::unblock_sub {	3630
2559	write_runtime	3631	# limit the # of concurrent backtraces
2560	or warn "ERROR: unable to write runtime file: $!";	3632	if ($_log_backtrace < 2) {
		3633	++$_log_backtrace;
		3634	async {
		3635	$Coro::current->{desc} = "abt $msg";
		3636
		3637	my @bt = fork_call {
		3638	@addr = map { sprintf "%x", $_ } @addr;
		3639	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3640	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3641	or die "addr2line: $!";
		3642
		3643	my @funcs;
		3644	my @res = <$fh>;
		3645	chomp for @res;
		3646	while (@res) {
		3647	my ($func, $line) = splice @res, 0, 2, ();
		3648	push @funcs, "[$func] $line";
		3649	}
		3650
		3651	@funcs
		3652	};
		3653
		3654	LOG llevInfo, "[ABT] $msg\n";
		3655	LOG llevInfo, "[ABT] $_\n" for @bt;
		3656	--$_log_backtrace;
		3657	};
		3658	} else {
		3659	LOG llevInfo, "[ABT] $msg\n";
		3660	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	3661	}
2562	);	3662	}
		3663
		3664	# load additional modules
		3665	use cf::pod;
2563		3666
2564	END { cf::emergency_save }	3667	END { cf::emergency_save }
2565		3668
2566	1	3669	1
2567		3670

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