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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.390 by root, Thu Oct 25 09:01:24 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
87		120
88	sub cf::map::normalise;	121	sub cf::map::normalise;
89		122
…		…
100	=item $cf::RUNTIME	133	=item $cf::RUNTIME
101		134
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	136	every server tick.
104		137
105	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		141
107	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
109		146
110	=item $cf::NOW	147	=item $cf::NOW
111		148
112	The time of the last (current) server tick.	149	The time of the last (current) server tick.
113		150
114	=item $cf::TICK	151	=item $cf::TICK
115		152
116	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
117		164
118	=item %cf::CFG	165	=item %cf::CFG
119		166
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	168	from wherever your confdir points to.
122		169
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		171
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
129		181
130	=back	182	=back
131		183
132	=cut	184	=cut
133		185
134	BEGIN {	186	BEGIN {
135	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	188	my $msg = join "", @_;
137	utf8::encode $msg;
138		189
139	$msg .= "\n"	190	$msg .= "\n"
140	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
141		194
142	LOG llevError, $msg;	195	LOG llevError, $msg;
143	};	196	};
144	}	197	}
145		198
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		206
153	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	208	# within the Safe compartment.
155	for my $pkg (qw(	209	for my $pkg (qw(
156	cf::global cf::attachable	210	cf::global cf::attachable
…		…
164	}	218	}
165		219
166	$Event::DIED = sub {	220	$Event::DIED = sub {
167	warn "error in event callback: @_";	221	warn "error in event callback: @_";
168	};	222	};
		223
		224	#############################################################################
169		225
170	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
171		227
172	=over 4	228	=over 4
173		229
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	249	$d
194	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
195	}	251	}
196		252
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
200		254
201	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
202		256
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
211		258
212	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
213		260
214	=cut	261	=cut
215		262
216	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
218	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
261	}	323	}
262		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
266	my $guard = Coro::guard {	334	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	336	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
273	}	397	}
274		398
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
290		415
291	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
305	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	435	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
308		437
309	my $busy = 1;	438	my $busy = 1;
310	my @res;	439	my @res;
311		440
312	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	443	@res = eval { $job->() };
314	warn $@ if $@;	444	warn $@ if $@;
315	undef $busy;	445	undef $busy;
316	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
317		447
318	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
319	Coro::cede or Event::one_event;	452	Event::one_event;
320	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
321		462
322	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
323	} else {	464	} else {
324	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
325		466
…		…
345	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
346		487
347	$coro	488	$coro
348	}	489	}
349		490
350	sub write_runtime {	491	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		492
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
354	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
355		497
356	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		499
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
361	and return;	501	my ($cb, @args) = @_;
362		502
363	aio_fsync $fh	503	# we seemingly have to make a local copy of the whole thing,
364	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
365		506
366	close $fh	507	my @res = Coro::Util::fork_eval {
367	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
368		511
369	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
370	and return;	513	}
371		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
372	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	651	}
374		652
375	=back	653	=back
376		654
377	=cut	655	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
386		664
387	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	667	Crossfire TRT).
390		668
391	=over 4	669	=over 4
392		670
393	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
394		672
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
558		836
559	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		841
564	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	843	my $pkg = shift @arg;
566		844
567	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
597	}	875	}
598		876
599	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
600	} else {	878	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	880	}
603		881
604	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
605	}	883	}
606		884
…		…
608	if (ref $_[0]) {	886	if (ref $_[0]) {
609	_object_attach @_;	887	_object_attach @_;
610	} else {	888	} else {
611	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
612	}	890	}
		891	_recalc_want;
613	};	892	};
614		893
615	# all those should be optimised	894	# all those should be optimised
616	sub cf::attachable::detach {	895	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
621	reattach ($obj);	900	reattach ($obj);
622	} else {	901	} else {
623	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
624	}	903	}
		904	_recalc_want;
625	};	905	};
626		906
627	sub cf::attachable::attached {	907	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
629		909
…		…
644	";	924	";
645	die if $@;	925	die if $@;
646	}	926	}
647		927
648	our $override;	928	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		930
651	sub override {	931	sub override {
652	$override = 1;	932	$override = 1;
653	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
654	}	934	}
655		935
656	sub do_invoke {	936	sub do_invoke {
657	my $event = shift;	937	my $event = shift;
658	my $callbacks = shift;	938	my $callbacks = shift;
659		939
660	@invoke_results = ();	940	@INVOKE_RESULTS = ();
661		941
662	local $override;	942	local $override;
663		943
664	for (@$callbacks) {	944	for (@$callbacks) {
665	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
682		962
683	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
684		964
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		968
689	=back	969	=back
690		970
691	=cut	971	=cut
692		972
693	#############################################################################	973	#############################################################################
694	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
695		1017
696	sub reattach {	1018	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1020	my ($obj) = @_;
699		1021
…		…
746	sub object_freezer_save {	1068	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
748		1070
749	sync_job {	1071	sync_job {
750	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
753		1076
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1081	close $fh;
759		1082
760	if (@$objs) {	1083	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1089	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
768	}	1091	}
769	} else {	1092	} else {
770	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
776	}	1099	}
777	} else {	1100	} else {
778	aio_unlink $filename;	1101	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
780	}	1103	}
781
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	}	1104	};
788	}	1105	}
789		1106
790	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
792		1109
…		…
797		1114
798	sub object_thawer_load {	1115	sub object_thawer_load {
799	my ($filename) = @_;	1116	my ($filename) = @_;
800		1117
801	my ($data, $av);	1118	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1119
806	(aio_load $filename, $data) >= 0	1120	(aio_load $filename, $data) >= 0
807	or return;	1121	or return;
808		1122
809	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
811	or return;	1125	or return;
		1126
812	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
813	}	1129	}
814		1130
		1131	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
817	return ($data, $av);	1135	($data, $av)
818	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
819		1143
820	#############################################################################	1144	#############################################################################
821	# command handling &c	1145	# command handling &c
822		1146
823	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1161	}
838		1162
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1164
841	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
842		1170
843	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
844	called.	1172	called.
845		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
846	=cut	1185	=cut
847		1186
848	sub register_extcmd {	1187	sub register_extcmd {
849	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
850		1189
851	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
852	}	1197	}
853		1198
854	cf::player->attach (	1199	cf::player->attach (
855	on_command => sub {	1200	on_command => sub {
856	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1210	cf::override;
866	},	1211	},
867	on_extcmd => sub {	1212	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
869		1214
870	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1216
872	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
878	} else {	1232	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1234	}
881		1235
882	cf::override;	1236	cf::override;
883	},	1237	},
884	);	1238	);
885		1239
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 {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
921	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1245	next unless -r $path;
923	eval {	1246
924	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
925	1	1304	}
926	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
927	}	1310	};
928	}	1311	}
929		1312
930	#############################################################################	1313	#############################################################################
931		1314
		1315	=back
		1316
932	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
933		1318
934	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
935		1320
936	=cut	1321	=cut
…		…
941		1326
942	=head3 cf::player	1327	=head3 cf::player
943		1328
944	=over 4	1329	=over 4
945		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
946	=item cf::player::find $login	1345	=item cf::player::find $login
947		1346
948	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
949		1348
950	=cut	1349	=cut
951		1350
952	sub playerdir($) {	1351	sub playerdir($) {
953	cf::localdir	1352	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1354	}
959		1355
960	sub path($) {	1356	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1358
963	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
964	}	1360	}
965		1361
966	sub find_active($) {	1362	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1377	my $login = $_[0];
982		1378
983	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
984		1380
985	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
987	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
989	}	1397	}
990	}	1398	}
991	}	1399	}
992		1400
…		…
1002		1410
1003	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1005		1413
1006	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1007	Coro::cede;	1415	cf::cede_to_tick;
1008	}	1416	}
1009		1417
1010	sub new($) {	1418	sub new($) {
1011	my ($login) = @_;	1419	my ($login) = @_;
1012		1420
…		…
1018	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1019		1427
1020	$self	1428	$self
1021	}	1429	}
1022		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1023	=item $pl->quit_character	1441	=item $pl->quit_character
1024		1442
1025	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1027		1445
1028	=cut	1446	=cut
1029		1447
1030	sub quit_character {	1448	sub quit_character {
1031	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1032		1452
1033	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1455
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1046	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1047	}	1487	}
1048		1488
1049	=item cf::player::list_logins	1489	=item cf::player::list_logins
1050		1490
1051	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1053		1493
1054	=cut	1494	=cut
1055		1495
1056	sub list_logins {	1496	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1498	or return [];
1059		1499
1060	my @logins;	1500	my @logins;
1061		1501
1062	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1066		1511
1067	utf8::decode $login;	1512	utf8::decode $login;
1068	push @logins, $login;	1513	push @logins, $login;
1069	}	1514	}
1070		1515
…		…
1097	}	1542	}
1098		1543
1099	\@paths	1544	\@paths
1100	}	1545	}
1101		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1103		1599
1104	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1105		1601
1106	=cut	1602	=cut
1107		1603
1108	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1110		1606
1111	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1608	}
1115		1609
1116	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1117		1650
1118	=back	1651	=back
1119
1120		1652
1121	=head3 cf::map	1653	=head3 cf::map
1122		1654
1123	=over 4	1655	=over 4
1124		1656
…		…
1179	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1180		1712
1181	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1182	local $self->{path};	1714	local $self->{path};
1183	local $self->{load_path};	1715	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1716
1187	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1188	}	1718	}
1189		1719
1190	sub normalise {	1720	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1238	return $self;	1768	return $self;
1239	}	1769	}
1240	}	1770	}
1241		1771
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1773	()
1244	}	1774	}
1245		1775
1246	sub init {	1776	sub init {
1247	my ($self) = @_;	1777	my ($self) = @_;
…		…
1262		1792
1263	# the original (read-only) location	1793	# the original (read-only) location
1264	sub load_path {	1794	sub load_path {
1265	my ($self) = @_;	1795	my ($self) = @_;
1266		1796
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1268	}	1798	}
1269		1799
1270	# the temporary/swap location	1800	# the temporary/swap location
1271	sub save_path {	1801	sub save_path {
1272	my ($self) = @_;	1802	my ($self) = @_;
1273		1803
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1276	}	1806	}
1277		1807
1278	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1279	sub uniq_path {	1809	sub uniq_path {
1280	my ($self) = @_;	1810	my ($self) = @_;
1281		1811
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1284	}	1814	}
1285		1815
1286	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1287	# all maps in C++...	1817	# all maps in C++...
1288	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1290		1820
1291	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1293	}	1823	}
1294		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1295	sub unlink_save {	1833	sub unlink_save {
1296	my ($self) = @_;	1834	my ($self) = @_;
1297		1835
1298	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1839	}
1307		1840
1308	sub load_header_from($) {	1841	sub load_header_from($) {
1309	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1310		1843
1311	utf8::encode $path;	1844	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1317		1853
1318	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1319		1855
1320	1	1856	1
1321	}	1857	}
…		…
1360	$self->load_header_orig	1896	$self->load_header_orig
1361	or return;	1897	or return;
1362	$self->prepare_orig;	1898	$self->prepare_orig;
1363	}	1899	}
1364		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
		1906
1365	1	1907	1
1366	}	1908	}
1367		1909
1368	sub find;	1910	sub find;
1369	sub find {	1911	sub find {
1370	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1371		1913
1372	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1373		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1375		1918
1376	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1378	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1379	or return;	1924	or return;
1380		1925
1381	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1382		1927
1383	$map->load_header	1928	$map->load_header
1384	or return;	1929	or return;
1385		1930
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1389	$map->reset;	1936	$map->reset;
1390	undef $guard;
1391	return find $path;	1937	return find $path;
1392	}	1938	}
1393		1939
1394	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1395	}	1941	}
…		…
1402	my ($self) = @_;	1948	my ($self) = @_;
1403		1949
1404	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1405		1951
1406	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1407	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1408		1956
		1957	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		1959
1411	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1412		1961
1413	$self->alloc;	1962	$self->alloc;
1414		1963
1415	$self->pre_load;	1964	$self->pre_load;
		1965	cf::cede_to_tick;
1416		1966
1417	$self->_load_objects ($self->{load_path}, 1)	1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1418	or return;	1970	or return;
1419		1971
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};	1973	if delete $self->{load_original};
1422		1974
1423	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	1976	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	1979	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1428	}	1983	}
1429	}	1984	}
1430		1985
1431	Coro::cede;	1986	$f->resolve_delayed_derefs;
1432		1987
		1988	cf::cede_to_tick;
1433	# now do the right thing for maps	1989	# now do the right thing for maps
1434	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	1992	unless $self->difficulty;
1444	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1445	$self->activate;	2002	$self->activate;
		2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
		2008	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2009	}
1447		2010
1448	$self->post_load;	2011	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2012	}
1452		2013
1453	sub customise_for {	2014	sub customise_for {
1454	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1455		2016
1456	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2018	if $self->per_player;
1458		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1459	$self	2023	$self
1460	}	2024	}
1461		2025
1462	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2027	sub load_neighbours {
1464	my ($map) = @_;	2028	my ($map) = @_;
1465		2029
1466	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1467		2031
1468	for (0 .. 3) {	2032	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1470	or next;	2034	or next;
1471	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1472	or next;	2036	or next;
1473	$neigh->load;	2037	$neigh->load;
1474		2038
		2039	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2042	}
1478		2043
1479	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1481	or next;	2047	or next;
1482	$neigh->load;	2048	$neigh->load;
1483	}	2049	}
1484	}	2050	}
1485		2051
…		…
1490	}	2056	}
1491		2057
1492	sub do_load_sync {	2058	sub do_load_sync {
1493	my ($map) = @_;	2059	my ($map) = @_;
1494		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1495	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1496	}	2065	}
1497		2066
1498	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1500		2069
1501	sub find_async {	2070	sub find_async {
1502	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1503		2072
1504	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1505		2074
1506	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	2077	}
1509		2078
1510	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1511	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1512	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2086	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2087	$map->load if $v;
		2088	}
1517		2089
1518	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1519	}	2091	}
1520	}	2092	}
1521	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1522	};	2094	};
1523	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2098	}
1527		2099
1528	sub save {	2100	sub save {
1529	my ($self) = @_;	2101	my ($self) = @_;
1530		2102
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2104
1533	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1534		2106
1535	return unless $self->dirty;	2107	return unless $self->dirty;
1536		2108
…		…
1542	return if $self->{deny_save};	2114	return if $self->{deny_save};
1543		2115
1544	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1545		2117
1546	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1548	};	2121	};
1549		2122
1550	if ($uniq) {	2123	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1559	my ($self) = @_;	2132	my ($self) = @_;
1560		2133
1561	# save first because save cedes	2134	# save first because save cedes
1562	$self->save;	2135	$self->save;
1563		2136
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2138
1566	return if $self->players;	2139	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};	2141	return if $self->{deny_save};
1569		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2147	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2148	}
1573		2149
1574	sub reset_at {	2150	sub reset_at {
1575	my ($self) = @_;	2151	my ($self) = @_;
1576		2152
1577	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1580		2155
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2158
…		…
1594	my ($self) = @_;	2169	my ($self) = @_;
1595		2170
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2172
1598	return if $self->players;	2173	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2174
1601	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
		2176
		2177	$self->in_memory (cf::MAP_SWAPPED);
		2178
		2179	# need to save uniques path
		2180	unless ($self->{deny_save}) {
		2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2182
		2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2184	if $uniq;
		2185	}
1602		2186
1603	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1604		2188
1605	$self->in_memory (cf::MAP_SWAPPED);	2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2191	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2192
1610	$self->unlink_save;	2193	$self->unlink_save;
1611	$self->destroy;	2194	$self->destroy;
1612	}	2195	}
1613		2196
1614	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1615		2198
1616	sub nuke {	2199	sub nuke {
1617	my ($self) = @_;	2200	my ($self) = @_;
1618		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1619	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1620		2206
1621	$self->unlink_save;	2207	$self->unlink_save;
1622		2208
1623	bless $self, "cf::map";	2209	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2214
1629	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1630		2217
1631	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1632	}	2255	}
1633		2256
1634	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1635		2258
1636	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2260	instantiated unique items. May block.
1638		2261
1639	=cut	2262	=cut
1640		2263
1641	sub unique_maps() {	2264	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1643	or return;	2266	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2267	utf8::decode $_;
1649	next if /\.pst$/;	2268	/\.map$/
1650	next unless /^$PATH_SEP/o;	2269	? normalise $_
1651		2270	: ()
1652	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2272	]
1654
1655	\@paths
1656	}	2273	}
1657		2274
1658	package cf;	2275	package cf;
1659		2276
1660	=back	2277	=back
…		…
1678	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1679	}	2296	}
1680		2297
1681	sub inv_recursive {	2298	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1683	}	2328	}
1684		2329
1685	package cf;	2330	package cf;
1686		2331
1687	=back	2332	=back
…		…
1706		2351
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2353
1709	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1711	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1714	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1715	}	2379	}
1716		2380
1717	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1718		2382
1719	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1766	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1767		2431
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2433
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1772		2436
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2438	}
1775		2439
1776	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1778		2444
1779	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1780		2446
1781	unless ($map) {	2447	unless ($map) {
1782	# restore original map position	2448	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1799		2465
1800	$map->load;	2466	$map->load;
1801	$map->load_diag;	2467	$map->load_neighbours;
1802		2468
1803	return unless $self->contr->active;	2469	return unless $self->contr->active;
1804	$self->activate_recursive;	2470	$self->activate_recursive;
		2471
		2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1806	}	2474	}
1807		2475
1808	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2477
1812	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1816	};	2482	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2483
1822	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1843		2487
1844	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2493
1847	$self->enter_link;	2494	$self->enter_link;
1848		2495
1849	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1850	my $map = eval {	2518	my $map = eval {
1851	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1853	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2534	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1858	})->prio (1);	2542	})->prio (1);
1859	}	2543	}
1860		2544
1861	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1862		2546
…		…
1901		2585
1902	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1903		2587
1904	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1905	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1907		2591
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2594	undef $fh;
1911	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
1920		2604
1921	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1922		2606
1923	if ($exit->slaying eq "/!") {	2607	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job	2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
1925	cf::sync_job { prepare_random_map $exit };	2611	cf::sync_job { prepare_random_map $exit };
1926	}	2612	}
1927		2613
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
1931		2617
1932	$self->enter_link;	2618	$self->enter_link;
1933		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1934	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1935	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1936	unless (eval {	2628	unless (eval {
1937	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
1938		2630
1939	1;	2631	1;
1940	}) {	2632	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2637
1946	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2639	$self->leave_link;
1948	}	2640	}
1949	})->prio (1);	2641	})->prio (1);
…		…
1962		2654
1963	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1965		2657
1966	utf8::encode $text;	2658	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2660	}
1969		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	"c/who" => {
		2697	id => "infobox",
		2698	title => "Players",
		2699	reply => undef,
		2700	tooltip => "Shows players who are currently online",
		2701	},
		2702	"c/body" => {
		2703	id => "infobox",
		2704	title => "Body Parts",
		2705	reply => undef,
		2706	tooltip => "Shows which body parts you posess and are available",
		2707	},
		2708	"c/uptime" => {
		2709	id => "infobox",
		2710	title => "Uptime",
		2711	reply => undef,
		2712	tooltip => "How long the server has been running sicne last restart",
		2713	},
		2714	"c/mapinfo" => {
		2715	id => "infobox",
		2716	title => "Map Info",
		2717	reply => undef,
		2718	tooltip => "Information related to the maps",
		2719	},
		2720	);
		2721
		2722	sub cf::client::send_msg {
		2723	my ($self, $channel, $msg, $color, @extra) = @_;
		2724
		2725	$msg = $self->pl->expand_cfpod ($msg);
		2726
		2727	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2728
		2729	# check predefined channels, for the benefit of C
		2730	if ($CHANNEL{$channel}) {
		2731	$channel = $CHANNEL{$channel};
		2732
		2733	$self->ext_msg (channel_info => $channel)
		2734	if $self->can_msg;
		2735
		2736	$channel = $channel->{id};
		2737
		2738	} elsif (ref $channel) {
		2739	# send meta info to client, if not yet sent
		2740	unless (exists $self->{channel}{$channel->{id}}) {
		2741	$self->{channel}{$channel->{id}} = $channel;
		2742	$self->ext_msg (channel_info => $channel)
		2743	if $self->can_msg;
		2744	}
		2745
		2746	$channel = $channel->{id};
		2747	}
		2748
		2749	return unless @extra || length $msg;
		2750
		2751	if ($self->can_msg) {
		2752	# default colour, mask it out
		2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2754	if $color & cf::NDI_DEF;
		2755
		2756	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2758	} else {
		2759	if ($color >= 0) {
		2760	# replace some tags by gcfclient-compatible ones
		2761	for ($msg) {
		2762	1 while
		2763	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2764	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2765	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2766	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2767	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2768	}
		2769
		2770	$color &= cf::NDI_COLOR_MASK;
		2771
		2772	utf8::encode $msg;
		2773
		2774	if (0 && $msg =~ /\[/) {
		2775	# COMMAND/INFO
		2776	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2777	} else {
		2778	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2779	$self->send_packet ("drawinfo $color $msg")
		2780	}
		2781	}
		2782	}
		2783	}
		2784
		2785	=item $client->ext_msg ($type, @msg)
		2786
		2787	Sends an ext event to the client.
		2788
		2789	=cut
		2790
		2791	sub cf::client::ext_msg($$@) {
		2792	my ($self, $type, @msg) = @_;
		2793
		2794	if ($self->extcmd == 2) {
		2795	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2796	} elsif ($self->extcmd == 1) { # TODO: remove
		2797	push @msg, msgtype => "event_$type";
		2798	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2799	}
		2800	}
		2801
		2802	=item $client->ext_reply ($msgid, @msg)
		2803
		2804	Sends an ext reply to the client.
		2805
		2806	=cut
		2807
		2808	sub cf::client::ext_reply($$@) {
		2809	my ($self, $id, @msg) = @_;
		2810
		2811	if ($self->extcmd == 2) {
		2812	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2813	} elsif ($self->extcmd == 1) {
		2814	#TODO: version 1, remove
		2815	unshift @msg, msgtype => "reply", msgid => $id;
		2816	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2817	}
		2818	}
1970		2819
1971	=item $success = $client->query ($flags, "text", \&cb)	2820	=item $success = $client->query ($flags, "text", \&cb)
1972		2821
1973	Queues a query to the client, calling the given callback with	2822	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2823	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2824	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2825
1977	Queries can fail, so check the return code. Or don't, as queries will become	2826	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2827	become reliable at some point in the future.
1979		2828
1980	=cut	2829	=cut
1981		2830
1982	sub cf::client::query {	2831	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2832	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2840	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2841	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2842
1994	$self->send_packet ($self->{query_queue}[0][0])	2843	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2844	if @{ $self->{query_queue} } == 1;
		2845
		2846	1
1996	}	2847	}
1997		2848
1998	cf::client->attach (	2849	cf::client->attach (
		2850	on_connect => sub {
		2851	my ($ns) = @_;
		2852
		2853	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2854	},
1999	on_reply => sub {	2855	on_reply => sub {
2000	my ($ns, $msg) = @_;	2856	my ($ns, $msg) = @_;
2001		2857
2002	# this weird shuffling is so that direct followup queries	2858	# this weird shuffling is so that direct followup queries
2003	# get handled first	2859	# get handled first
2004	my $queue = delete $ns->{query_queue}	2860	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	2861	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		2862
2007	(shift @$queue)->[1]->($msg);	2863	(shift @$queue)->[1]->($msg);
		2864	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		2865
2009	push @{ $ns->{query_queue} }, @$queue;	2866	push @{ $ns->{query_queue} }, @$queue;
2010		2867
2011	if (@{ $ns->{query_queue} } == @$queue) {	2868	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	2869	if (@$queue) {
…		…
2014	} else {	2871	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2872	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	2873	}
2017	}	2874	}
2018	},	2875	},
		2876	on_exticmd => sub {
		2877	my ($ns, $buf) = @_;
		2878
		2879	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2880
		2881	if (ref $msg) {
		2882	my ($type, $reply, @payload) =
		2883	"ARRAY" eq ref $msg
		2884	? @$msg
		2885	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2886
		2887	my @reply;
		2888
		2889	if (my $cb = $EXTICMD{$type}) {
		2890	@reply = $cb->($ns, @payload);
		2891	}
		2892
		2893	$ns->ext_reply ($reply, @reply)
		2894	if $reply;
		2895
		2896	} else {
		2897	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2898	}
		2899
		2900	cf::override;
		2901	},
2019	);	2902	);
2020		2903
2021	=item $client->async (\&cb)	2904	=item $client->async (\&cb)
2022		2905
2023	Create a new coroutine, running the specified callback. The coroutine will	2906	Create a new coroutine, running the specified callback. The coroutine will
…		…
2064	our $safe = new Safe "safe";	2947	our $safe = new Safe "safe";
2065	our $safe_hole = new Safe::Hole;	2948	our $safe_hole = new Safe::Hole;
2066		2949
2067	$SIG{FPE} = 'IGNORE';	2950	$SIG{FPE} = 'IGNORE';
2068		2951
2069	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2952	$safe->permit_only (Opcode::opset qw(
		2953	:base_core :base_mem :base_orig :base_math
		2954	grepstart grepwhile mapstart mapwhile
		2955	sort time
		2956	));
2070		2957
2071	# here we export the classes and methods available to script code	2958	# here we export the classes and methods available to script code
2072		2959
2073	=pod	2960	=pod
2074		2961
2075	The following fucntions and emthods are available within a safe environment:	2962	The following functions and methods are available within a safe environment:
2076		2963
2077	cf::object contr pay_amount pay_player map	2964	cf::object
		2965	contr pay_amount pay_player map x y force_find force_add destroy
		2966	insert remove name archname title slaying race decrease_ob_nr
		2967
2078	cf::object::player player	2968	cf::object::player
2079	cf::player peaceful	2969	player
2080	cf::map trigger	2970
		2971	cf::player
		2972	peaceful
		2973
		2974	cf::map
		2975	trigger
2081		2976
2082	=cut	2977	=cut
2083		2978
2084	for (	2979	for (
2085	["cf::object" => qw(contr pay_amount pay_player map)],	2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2981	insert remove inv name archname title slaying race
		2982	decrease_ob_nr destroy)],
2086	["cf::object::player" => qw(player)],	2983	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	2984	["cf::player" => qw(peaceful)],
2088	["cf::map" => qw(trigger)],	2985	["cf::map" => qw(trigger)],
2089	) {	2986	) {
2090	no strict 'refs';	2987	no strict 'refs';
…		…
2161	=back	3058	=back
2162		3059
2163	=cut	3060	=cut
2164		3061
2165	#############################################################################	3062	#############################################################################
		3063	# the server's init and main functions
2166		3064
2167	=head2 EXTENSION DATABASE SUPPORT	3065	sub load_facedata($) {
		3066	my ($path) = @_;
2168		3067
2169	Crossfire maintains a very simple database for extension use. It can	3068	# HACK to clear player env face cache, we need some signal framework
2170	currently store anything that can be serialised using Storable, which	3069	# for this (global event?)
2171	excludes objects.	3070	%ext::player_env::MUSIC_FACE_CACHE = ();
2172		3071
2173	The parameter C<$family> should best start with the name of the extension	3072	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174	using it, it should be unique.
2175		3073
2176	=over 4	3074	warn "loading facedata from $path\n";
2177		3075
2178	=item $hashref = cf::db_get $family	3076	my $facedata;
		3077	0 < aio_load $path, $facedata
		3078	or die "$path: $!";
2179		3079
2180	Return a hashref for use by the extension C<$family>, which can be	3080	$facedata = Coro::Storable::thaw $facedata;
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183		3081
2184	=item $value = cf::db_get $family => $key	3082	$facedata->{version} == 2
		3083	or cf::cleanup "$path: version mismatch, cannot proceed.";
2185		3084
2186	Returns a single value from the database	3085	# patch in the exptable
2187		3086	$facedata->{resource}{"res/exp_table"} = {
2188	=item cf::db_put $family => $hashref	3087	type => FT_RSRC,
2189		3088	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2190	Stores the given family hashref into the database. Updates are delayed, if
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	3089	};
		3090	cf::cede_to_tick;
2216		3091
2217	my $pid;
2218
2219	sub db_save() {
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}	3092	{
		3093	my $faces = $facedata->{faceinfo};
2228		3094
2229	my $dirty;	3095	while (my ($face, $info) = each %$faces) {
		3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3097	cf::face::set_visibility $idx, $info->{visibility};
		3098	cf::face::set_magicmap $idx, $info->{magicmap};
		3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2230		3101
2231	sub db_sync() {	3102	cf::cede_to_tick;
2232	db_save if $dirty;
2233	undef $dirty;
2234	}
2235
2236	my $idle = Event->idle (
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	3103	}
2270	);
2271	}
2272		3104
2273	#############################################################################	3105	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	3106	next unless $info->{smooth};
		3107	my $idx = cf::face::find $face
		3108	or next;
		3109	if (my $smooth = cf::face::find $info->{smooth}) {
		3110	cf::face::set_smooth $idx, $smooth;
		3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3112	} else {
		3113	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3114	}
2275		3115
2276	sub cfg_load {	3116	cf::cede_to_tick;
		3117	}
		3118	}
		3119
		3120	{
		3121	my $anims = $facedata->{animinfo};
		3122
		3123	while (my ($anim, $info) = each %$anims) {
		3124	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	cf::anim::invalidate_all; # d'oh
		3129	}
		3130
		3131	{
		3132	# TODO: for gcfclient pleasure, we should give resources
		3133	# that gcfclient doesn't grok a >10000 face index.
		3134	my $res = $facedata->{resource};
		3135
		3136	my $soundconf = delete $res->{"res/sound.conf"};
		3137
		3138	while (my ($name, $info) = each %$res) {
		3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3140	my $data;
		3141
		3142	if ($info->{type} & 1) {
		3143	# prepend meta info
		3144
		3145	my $meta = $enc->encode ({
		3146	name => $name,
		3147	%{ $info->{meta} || {} },
		3148	});
		3149
		3150	$data = pack "(w/a*)*", $meta, $info->{data};
		3151	} else {
		3152	$data = $info->{data};
		3153	}
		3154
		3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3156	cf::face::set_type $idx, $info->{type};
		3157
		3158	cf::cede_to_tick;
		3159	}
		3160
		3161	if ($soundconf) {
		3162	$soundconf = $enc->decode (delete $soundconf->{data});
		3163
		3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3165	my $sound = $soundconf->{compat}[$_]
		3166	or next;
		3167
		3168	my $face = cf::face::find "sound/$sound->[1]";
		3169	cf::sound::set $sound->[0] => $face;
		3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3171	}
		3172
		3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3174	my $face = cf::face::find "sound/$v";
		3175	cf::sound::set $k => $face;
		3176	}
		3177	}
		3178	}
		3179
		3180	1
		3181	}
		3182
		3183	register_exticmd fx_want => sub {
		3184	my ($ns, $want) = @_;
		3185
		3186	while (my ($k, $v) = each %$want) {
		3187	$ns->fx_want ($k, $v);
		3188	}
		3189	};
		3190
		3191	sub reload_regions {
		3192	# HACK to clear player env face cache, we need some signal framework
		3193	# for this (global event?)
		3194	%ext::player_env::MUSIC_FACE_CACHE = ();
		3195
		3196	load_resource_file "$MAPDIR/regions"
		3197	or die "unable to load regions file\n";
		3198
		3199	for (cf::region::list) {
		3200	$_->{match} = qr/$_->{match}/
		3201	if exists $_->{match};
		3202	}
		3203	}
		3204
		3205	sub reload_facedata {
		3206	load_facedata "$DATADIR/facedata"
		3207	or die "unable to load facedata\n";
		3208	}
		3209
		3210	sub reload_archetypes {
		3211	load_resource_file "$DATADIR/archetypes"
		3212	or die "unable to load archetypes\n";
		3213	#d# NEED to laod twice to resolve forward references
		3214	# this really needs to be done in an extra post-pass
		3215	# (which needs to be synchronous, so solve it differently)
		3216	load_resource_file "$DATADIR/archetypes"
		3217	or die "unable to load archetypes\n";
		3218	}
		3219
		3220	sub reload_treasures {
		3221	load_resource_file "$DATADIR/treasures"
		3222	or die "unable to load treasurelists\n";
		3223	}
		3224
		3225	sub reload_resources {
		3226	warn "reloading resource files...\n";
		3227
		3228	reload_regions;
		3229	reload_facedata;
		3230	#reload_archetypes;#d#
		3231	reload_archetypes;
		3232	reload_treasures;
		3233
		3234	warn "finished reloading resource files\n";
		3235	}
		3236
		3237	sub init {
		3238	reload_resources;
		3239	}
		3240
		3241	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3242	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3243	or return;
2279		3244
2280	local $/;	3245	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3246	*CFG = YAML::Syck::Load <$fh>;
2282		3247
…		…
2297	sub main {	3262	sub main {
2298	# we must not ever block the main coroutine	3263	# we must not ever block the main coroutine
2299	local $Coro::idle = sub {	3264	local $Coro::idle = sub {
2300	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2301	(async {	3266	(async {
		3267	$Coro::current->{desc} = "IDLE BUG HANDLER";
2302	Event::one_event;	3268	Event::one_event;
2303	})->prio (Coro::PRIO_MAX);	3269	})->prio (Coro::PRIO_MAX);
2304	};	3270	};
2305		3271
2306	cfg_load;	3272	reload_config;
2307	db_load;	3273	db_init;
2308	load_extensions;	3274	load_extensions;
2309		3275
2310	$TICK_WATCHER->start;	3276	$TICK_WATCHER->start;
2311	Event::loop;	3277	Event::loop;
2312	}	3278	}
…		…
2327	},	3293	},
2328	);	3294	);
2329	}	3295	}
2330	}	3296	}
2331		3297
		3298	sub write_runtime {
		3299	my $runtime = "$LOCALDIR/runtime";
		3300
		3301	# first touch the runtime file to show we are still running:
		3302	# the fsync below can take a very very long time.
		3303
		3304	IO::AIO::aio_utime $runtime, undef, undef;
		3305
		3306	my $guard = cf::lock_acquire "write_runtime";
		3307
		3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3309	or return;
		3310
		3311	my $value = $cf::RUNTIME + 90 + 10;
		3312	# 10 is the runtime save interval, for a monotonic clock
		3313	# 60 allows for the watchdog to kill the server.
		3314
		3315	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3316	and return;
		3317
		3318	# always fsync - this file is important
		3319	aio_fsync $fh
		3320	and return;
		3321
		3322	# touch it again to show we are up-to-date
		3323	aio_utime $fh, undef, undef;
		3324
		3325	close $fh
		3326	or return;
		3327
		3328	aio_rename "$runtime~", $runtime
		3329	and return;
		3330
		3331	warn "runtime file written.\n";
		3332
		3333	1
		3334	}
		3335
2332	sub emergency_save() {	3336	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3337	my $freeze_guard = cf::freeze_mainloop;
2334		3338
2335	warn "enter emergency perl save\n";	3339	warn "enter emergency perl save\n";
2336		3340
…		…
2340	# and maps saved/destroyed asynchronously.	3344	# and maps saved/destroyed asynchronously.
2341	warn "begin emergency player save\n";	3345	warn "begin emergency player save\n";
2342	for my $login (keys %cf::PLAYER) {	3346	for my $login (keys %cf::PLAYER) {
2343	my $pl = $cf::PLAYER{$login} or next;	3347	my $pl = $cf::PLAYER{$login} or next;
2344	$pl->valid or next;	3348	$pl->valid or next;
		3349	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2345	$pl->save;	3350	$pl->save;
2346	}	3351	}
2347	warn "end emergency player save\n";	3352	warn "end emergency player save\n";
2348		3353
2349	warn "begin emergency map save\n";	3354	warn "begin emergency map save\n";
…		…
2351	my $map = $cf::MAP{$path} or next;	3356	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3357	$map->valid or next;
2353	$map->save;	3358	$map->save;
2354	}	3359	}
2355	warn "end emergency map save\n";	3360	warn "end emergency map save\n";
		3361
		3362	warn "begin emergency database checkpoint\n";
		3363	BDB::db_env_txn_checkpoint $DB_ENV;
		3364	warn "end emergency database checkpoint\n";
2356	};	3365	};
2357		3366
2358	warn "leave emergency perl save\n";	3367	warn "leave emergency perl save\n";
2359	}	3368	}
2360		3369
		3370	sub post_cleanup {
		3371	my ($make_core) = @_;
		3372
		3373	warn Carp::longmess "post_cleanup backtrace"
		3374	if $make_core;
		3375	}
		3376
2361	sub reload() {	3377	sub do_reload_perl() {
2362	# can/must only be called in main	3378	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3379	if ($Coro::current != $Coro::main) {
2364	warn "can only reload from main coroutine";	3380	warn "can only reload from main coroutine";
2365	return;	3381	return;
2366	}	3382	}
2367		3383
2368	warn "reloading...";	3384	warn "reloading...";
2369		3385
2370	warn "cancelling server ticker";	3386	warn "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		3387
		3388	cf::sync_job {
		3389	cf::write_runtime; # external watchdog should not bark
2373	cf::emergency_save;	3390	cf::emergency_save;
		3391	cf::write_runtime; # external watchdog should not bark
2374		3392
2375	eval {	3393	warn "syncing database to disk";
		3394	BDB::db_env_txn_checkpoint $DB_ENV;
		3395
2376	# if anything goes wrong in here, we should simply crash as we already saved	3396	# if anything goes wrong in here, we should simply crash as we already saved
2377
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380		3397
2381	warn "cancelling all WF_AUTOCANCEL watchers";	3398	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {	3399	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;	3400	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}	3401	}
2385		3402
2386	warn "flushing outstanding aio requests";	3403	warn "flushing outstanding aio requests";
2387	for (;;) {	3404	for (;;) {
		3405	BDB::flush;
2388	IO::AIO::flush;	3406	IO::AIO::flush;
2389	Coro::cede;	3407	Coro::cede_notself;
2390	last unless IO::AIO::nreqs;	3408	last unless IO::AIO::nreqs || BDB::nreqs;
2391	warn "iterate...";	3409	warn "iterate...";
2392	}	3410	}
		3411
		3412	++$RELOAD;
2393		3413
2394	warn "cancelling all extension coros";	3414	warn "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;	3415	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();	3416	%EXT_CORO = ();
2397		3417
2398	warn "removing commands";	3418	warn "removing commands";
2399	%COMMAND = ();	3419	%COMMAND = ();
2400		3420
2401	warn "removing ext commands";	3421	warn "removing ext/exti commands";
2402	%EXTCMD = ();	3422	%EXTCMD = ();
		3423	%EXTICMD = ();
2403		3424
2404	warn "unloading/nuking all extensions";	3425	warn "unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {	3426	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";	3427	warn "... unloading $pkg";
2407		3428
…		…
2437	Symbol::delete_package "safe::$_"	3458	Symbol::delete_package "safe::$_"
2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3459	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2439		3460
2440	warn "unloading cf.pm \"a bit\"";	3461	warn "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3462	delete $INC{"cf.pm"};
		3463	delete $INC{"cf/pod.pm"};
2442		3464
2443	# don't, removes xs symbols, too,	3465	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3466	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3467	#Symbol::delete_package __PACKAGE__;
2446		3468
…		…
2449	warn "reloading cf.pm";	3471	warn "reloading cf.pm";
2450	require cf;	3472	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2452		3474
2453	warn "loading config and database again";	3475	warn "loading config and database again";
2454	cf::cfg_load;	3476	cf::reload_config;
2455	cf::db_load;
2456		3477
2457	warn "loading extensions";	3478	warn "loading extensions";
2458	cf::load_extensions;	3479	cf::load_extensions;
2459		3480
2460	warn "reattaching attachments to objects/players";	3481	warn "reattaching attachments to objects/players";
2461	_global_reattach;	3482	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3483	warn "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3484	reattach $_ for values %MAP;
		3485	warn "reattaching attachments to players";
		3486	reattach $_ for values %PLAYER;
2464		3487
2465	warn "restarting server ticker";	3488	warn "leaving sync_job";
2466		3489
2467	$TICK_WATCHER->start;	3490	1
2468	};	3491	} or do {
2469
2470	if ($@) {
2471	warn $@;	3492	warn $@;
2472	warn "error while reloading, exiting.";	3493	warn "error while reloading, exiting.";
2473	exit 1;	3494	exit 1;
2474	}	3495	};
2475		3496
2476	warn "reloaded";	3497	warn "reloaded";
2477	};	3498	};
2478		3499
2479	our $RELOAD_WATCHER; # used only during reload	3500	our $RELOAD_WATCHER; # used only during reload
2480		3501
		3502	sub reload_perl() {
		3503	# doing reload synchronously and two reloads happen back-to-back,
		3504	# coro crashes during coro_state_free->destroy here.
		3505
		3506	$RELOAD_WATCHER ||= Event->timer (
		3507	reentrant => 0,
		3508	after => 0,
		3509	data => WF_AUTOCANCEL,
		3510	cb => sub {
		3511	do_reload_perl;
		3512	undef $RELOAD_WATCHER;
		3513	},
		3514	);
		3515	}
		3516
2481	register_command "reload" => sub {	3517	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	3518	my ($who, $arg) = @_;
2483		3519
2484	if ($who->flag (FLAG_WIZ)) {	3520	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	3521	$who->message ("reloading server.");
2486		3522	async {
2487	# doing reload synchronously and two reloads happen back-to-back,	3523	$Coro::current->{desc} = "perl_reload";
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;	3524	reload_perl;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);	3525	};
2499	}	3526	}
2500	};	3527	};
2501		3528
2502	unshift @INC, $LIBDIR;	3529	unshift @INC, $LIBDIR;
2503		3530
2504	my $bug_warning = 0;	3531	my $bug_warning = 0;
		3532
		3533	our @WAIT_FOR_TICK;
		3534	our @WAIT_FOR_TICK_BEGIN;
		3535
		3536	sub wait_for_tick {
		3537	return unless $TICK_WATCHER->is_active;
		3538	return if $Coro::current == $Coro::main;
		3539
		3540	my $signal = new Coro::Signal;
		3541	push @WAIT_FOR_TICK, $signal;
		3542	$signal->wait;
		3543	}
		3544
		3545	sub wait_for_tick_begin {
		3546	return unless $TICK_WATCHER->is_active;
		3547	return if $Coro::current == $Coro::main;
		3548
		3549	my $signal = new Coro::Signal;
		3550	push @WAIT_FOR_TICK_BEGIN, $signal;
		3551	$signal->wait;
		3552	}
2505		3553
2506	$TICK_WATCHER = Event->timer (	3554	$TICK_WATCHER = Event->timer (
2507	reentrant => 0,	3555	reentrant => 0,
2508	parked => 1,	3556	parked => 1,
2509	prio => 0,	3557	prio => 0,
…		…
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3562	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	3563	unless ++$bug_warning > 10;
2516	return;	3564	return;
2517	}	3565	}
2518		3566
2519	$NOW = Event::time;	3567	$NOW = $tick_start = Event::time;
2520		3568
2521	cf::server_tick; # one server iteration	3569	cf::server_tick; # one server iteration
		3570
2522	$RUNTIME += $TICK;	3571	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;	3572	$NEXT_TICK += $TICK;
2524		3573
2525	$WAIT_FOR_TICK->broadcast;	3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3575	$NEXT_RUNTIME_WRITE = $NOW + 10;
2527		3576	Coro::async_pool {
2528	Event::sweep;	3577	$Coro::current->{desc} = "runtime saver";
2529	Coro::cede_notself;	3578	write_runtime
		3579	or warn "ERROR: unable to write runtime file: $!";
		3580	};
2530		3581	}
2531	# my $AFTER = Event::time;	3582
2532	# warn $AFTER - $NOW;#d#	3583	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3584	$sig->send;
		3585	}
		3586	while (my $sig = shift @WAIT_FOR_TICK) {
		3587	$sig->send;
		3588	}
		3589
		3590	$NOW = Event::time;
2533		3591
2534	# if we are delayed by four ticks or more, skip them all	3592	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3593	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		3594
2537	$TICK_WATCHER->at ($NEXT_TICK);	3595	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;	3596	$TICK_WATCHER->start;
		3597
		3598	$LOAD = ($NOW - $tick_start) / $TICK;
		3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3600
		3601	_post_tick;
2539	},	3602	},
2540	);	3603	);
2541		3604
		3605	{
		3606	BDB::min_parallel 8;
		3607	BDB::max_poll_time $TICK * 0.1;
		3608	$BDB_POLL_WATCHER = Event->io (
		3609	reentrant => 0,
		3610	fd => BDB::poll_fileno,
		3611	poll => 'r',
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => \&BDB::poll_cb,
		3615	);
		3616
		3617	BDB::set_sync_prepare {
		3618	my $status;
		3619	my $current = $Coro::current;
		3620	(
		3621	sub {
		3622	$status = $!;
		3623	$current->ready; undef $current;
		3624	},
		3625	sub {
		3626	Coro::schedule while defined $current;
		3627	$! = $status;
		3628	},
		3629	)
		3630	};
		3631
		3632	unless ($DB_ENV) {
		3633	$DB_ENV = BDB::db_env_create;
		3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3635	| BDB::LOG_AUTOREMOVE, 1);
		3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3638
		3639	cf::sync_job {
		3640	eval {
		3641	BDB::db_env_open
		3642	$DB_ENV,
		3643	$BDBDIR,
		3644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3646	0666;
		3647
		3648	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3649	};
		3650
		3651	cf::cleanup "db_env_open(db): $@" if $@;
		3652	};
		3653	}
		3654
		3655	$BDB_DEADLOCK_WATCHER = Event->timer (
		3656	after => 3,
		3657	interval => 1,
		3658	hard => 1,
		3659	prio => 0,
		3660	data => WF_AUTOCANCEL,
		3661	cb => sub {
		3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3663	},
		3664	);
		3665	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3666	after => 11,
		3667	interval => 60,
		3668	hard => 1,
		3669	prio => 0,
		3670	data => WF_AUTOCANCEL,
		3671	cb => sub {
		3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3673	},
		3674	);
		3675	$BDB_TRICKLE_WATCHER = Event->timer (
		3676	after => 5,
		3677	interval => 10,
		3678	hard => 1,
		3679	prio => 0,
		3680	data => WF_AUTOCANCEL,
		3681	cb => sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	},
		3684	);
		3685	}
		3686
		3687	{
		3688	IO::AIO::min_parallel 8;
		3689
		3690	undef $Coro::AIO::WATCHER;
2542	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2543
2544	undef $Coro::AIO::WATCHER;
2545	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,	3693	reentrant => 0,
		3694	data => WF_AUTOCANCEL,
2547	fd => IO::AIO::poll_fileno,	3695	fd => IO::AIO::poll_fileno,
2548	poll => 'r',	3696	poll => 'r',
2549	prio => 6,	3697	prio => 0,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,	3698	cb => \&IO::AIO::poll_cb,
2552	);	3699	);
		3700	}
2553		3701
2554	$WRITE_RUNTIME_WATCHER = Event->timer (	3702	my $_log_backtrace;
2555	reentrant => 0,	3703
2556	data => WF_AUTOCANCEL,	3704	sub _log_backtrace {
2557	after => 1,	3705	my ($msg, @addr) = @_;
2558	interval => 10,	3706
2559	prio => 6, # keep it lowest so it acts like a watchdog	3707	$msg =~ s/\n//;
2560	cb => Coro::unblock_sub {	3708
2561	write_runtime	3709	# limit the # of concurrent backtraces
2562	or warn "ERROR: unable to write runtime file: $!";	3710	if ($_log_backtrace < 2) {
		3711	++$_log_backtrace;
		3712	async {
		3713	$Coro::current->{desc} = "abt $msg";
		3714
		3715	my @bt = fork_call {
		3716	@addr = map { sprintf "%x", $_ } @addr;
		3717	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3718	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3719	or die "addr2line: $!";
		3720
		3721	my @funcs;
		3722	my @res = <$fh>;
		3723	chomp for @res;
		3724	while (@res) {
		3725	my ($func, $line) = splice @res, 0, 2, ();
		3726	push @funcs, "[$func] $line";
		3727	}
		3728
		3729	@funcs
		3730	};
		3731
		3732	LOG llevInfo, "[ABT] $msg\n";
		3733	LOG llevInfo, "[ABT] $_\n" for @bt;
		3734	--$_log_backtrace;
		3735	};
		3736	} else {
		3737	LOG llevInfo, "[ABT] $msg\n";
		3738	LOG llevInfo, "[ABT] [suppressed]\n";
2563	},	3739	}
2564	);	3740	}
		3741
		3742	# load additional modules
		3743	use cf::pod;
2565		3744
2566	END { cf::emergency_save }	3745	END { cf::emergency_save }
2567		3746
2568	1	3747	1
2569		3748

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