ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.376 by root, Mon Oct 1 00:44:44 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
87		120
88	sub cf::map::normalise;	121	sub cf::map::normalise;
89		122
…		…
100	=item $cf::RUNTIME	133	=item $cf::RUNTIME
101		134
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	136	every server tick.
104		137
105	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		141
107	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
109		146
110	=item $cf::NOW	147	=item $cf::NOW
111		148
112	The time of the last (current) server tick.	149	The time of the last (current) server tick.
113		150
114	=item $cf::TICK	151	=item $cf::TICK
115		152
116	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
117		164
118	=item %cf::CFG	165	=item %cf::CFG
119		166
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	168	from wherever your confdir points to.
122		169
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		171
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
129		181
130	=back	182	=back
131		183
132	=cut	184	=cut
133		185
134	BEGIN {	186	BEGIN {
135	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	188	my $msg = join "", @_;
137	utf8::encode $msg;
138		189
139	$msg .= "\n"	190	$msg .= "\n"
140	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
141		194
142	LOG llevError, $msg;	195	LOG llevError, $msg;
143	};	196	};
144	}	197	}
145		198
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		206
153	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	208	# within the Safe compartment.
155	for my $pkg (qw(	209	for my $pkg (qw(
156	cf::global cf::attachable	210	cf::global cf::attachable
…		…
164	}	218	}
165		219
166	$Event::DIED = sub {	220	$Event::DIED = sub {
167	warn "error in event callback: @_";	221	warn "error in event callback: @_";
168	};	222	};
		223
		224	#############################################################################
169		225
170	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
171		227
172	=over 4	228	=over 4
173		229
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	249	$d
194	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
195	}	251	}
196		252
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
200		254
201	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
202		256
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
211		258
212	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
213		260
214	=cut	261	=cut
215		262
216	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
218	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
261	}	323	}
262		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
266	my $guard = Coro::guard {	334	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	336	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
273	}	397	}
274		398
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
290		415
291	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
305	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
308		435
309	my $busy = 1;	436	my $busy = 1;
310	my @res;	437	my @res;
311		438
312	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	441	@res = eval { $job->() };
314	warn $@ if $@;	442	warn $@ if $@;
315	undef $busy;	443	undef $busy;
316	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
317		445
318	while ($busy) {	446	while ($busy) {
319	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
320	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
321		456
322	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
323	} else {	458	} else {
324	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
325		460
…		…
345	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
346		481
347	$coro	482	$coro
348	}	483	}
349		484
350	sub write_runtime {	485	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		486
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	Executes the given code block with the given arguments in a seperate
354	or return;	488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
355		491
356	my $value = $cf::RUNTIME + 90 + 10;	492	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		493
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	sub fork_call(&@) {
361	and return;	495	my ($cb, @args) = @_;
362		496
363	aio_fsync $fh	497	# we seemingly have to make a local copy of the whole thing,
364	and return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
365		500
366	close $fh	501	my @res = Coro::Util::fork_eval {
367	or return;	502	reset_signals;
		503	&$cb
		504	}, @args;
368		505
369	aio_rename "$runtime~", $runtime	506	wantarray ? @res : $res[-1]
370	and return;	507	}
371		508
		509	=item $value = cf::db_get $family => $key
		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
372	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
		634	}
		635
		636	=item cf::datalog type => key => value, ...
		637
		638	Log a datalog packet of the given type with the given key-value pairs.
		639
		640	=cut
		641
		642	sub datalog($@) {
		643	my ($type, %kv) = @_;
		644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	645	}
374		646
375	=back	647	=back
376		648
377	=cut	649	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
386		658
387	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	661	Crossfire TRT).
390		662
391	=over 4	663	=over 4
392		664
393	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
394		666
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
558		830
559	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		835
564	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	837	my $pkg = shift @arg;
566		838
567	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
597	}	869	}
598		870
599	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
600	} else {	872	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	874	}
603		875
604	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
605	}	877	}
606		878
…		…
608	if (ref $_[0]) {	880	if (ref $_[0]) {
609	_object_attach @_;	881	_object_attach @_;
610	} else {	882	} else {
611	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
612	}	884	}
		885	_recalc_want;
613	};	886	};
614		887
615	# all those should be optimised	888	# all those should be optimised
616	sub cf::attachable::detach {	889	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
621	reattach ($obj);	894	reattach ($obj);
622	} else {	895	} else {
623	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
624	}	897	}
		898	_recalc_want;
625	};	899	};
626		900
627	sub cf::attachable::attached {	901	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
629		903
…		…
644	";	918	";
645	die if $@;	919	die if $@;
646	}	920	}
647		921
648	our $override;	922	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		924
651	sub override {	925	sub override {
652	$override = 1;	926	$override = 1;
653	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
654	}	928	}
655		929
656	sub do_invoke {	930	sub do_invoke {
657	my $event = shift;	931	my $event = shift;
658	my $callbacks = shift;	932	my $callbacks = shift;
659		933
660	@invoke_results = ();	934	@INVOKE_RESULTS = ();
661		935
662	local $override;	936	local $override;
663		937
664	for (@$callbacks) {	938	for (@$callbacks) {
665	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
682		956
683	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
684		958
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		962
689	=back	963	=back
690		964
691	=cut	965	=cut
692		966
693	#############################################################################	967	#############################################################################
694	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
695		980
696	sub reattach {	981	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	983	my ($obj) = @_;
699		984
…		…
746	sub object_freezer_save {	1031	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
748		1033
749	sync_job {	1034	sync_job {
750	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
753		1039
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1043	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1044	close $fh;
759		1045
760	if (@$objs) {	1046	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1049	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1050	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1051	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1052	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1053	aio_rename "$filename.pst~", "$filename.pst";
768	}	1054	}
769	} else {	1055	} else {
770	aio_unlink "$filename.pst";	1056	aio_unlink "$filename.pst";
…		…
776	}	1062	}
777	} else {	1063	} else {
778	aio_unlink $filename;	1064	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
780	}	1066	}
781	}	1067	};
782	}	1068	}
783		1069
784	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
786		1072
…		…
798	or return;	1084	or return;
799		1085
800	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
802	or return;	1088	or return;
		1089
803	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1091	}
805		1092
		1093	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
808	return ($data, $av);	1097	($data, $av)
809	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
810		1105
811	#############################################################################	1106	#############################################################################
812	# command handling &c	1107	# command handling &c
813		1108
814	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1123	}
829		1124
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1126
832	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
833		1132
834	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
835	called.	1134	called.
836		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
837	=cut	1147	=cut
838		1148
839	sub register_extcmd {	1149	sub register_extcmd {
840	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
841		1151
842	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
843	}	1159	}
844		1160
845	cf::player->attach (	1161	cf::player->attach (
846	on_command => sub {	1162	on_command => sub {
847	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1172	cf::override;
857	},	1173	},
858	on_extcmd => sub {	1174	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
860		1176
861	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1178
863	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
869	} else {	1194	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1196	}
872		1197
873	cf::override;	1198	cf::override;
874	},	1199	},
875	);	1200	);
876		1201
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
912	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1207	next unless -r $path;
914	eval {	1208
915	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
916	1	1266	}
917	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
918	}	1272	};
919	}	1273	}
920		1274
921	#############################################################################	1275	#############################################################################
922		1276
		1277	=back
		1278
923	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
924		1280
925	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
926		1282
927	=cut	1283	=cut
…		…
932		1288
933	=head3 cf::player	1289	=head3 cf::player
934		1290
935	=over 4	1291	=over 4
936		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
937	=item cf::player::find $login	1307	=item cf::player::find $login
938		1308
939	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
940		1310
941	=cut	1311	=cut
942		1312
943	sub playerdir($) {	1313	sub playerdir($) {
944	cf::localdir	1314	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1316	}
950		1317
951	sub path($) {	1318	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1320
954	(playerdir $login) . "/$login.pl"	1321	(playerdir $login) . "/playerdata"
955	}	1322	}
956		1323
957	sub find_active($) {	1324	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1325	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1326	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1339	my $login = $_[0];
973		1340
974	my $guard = cf::lock_acquire "user_find:$login";	1341	my $guard = cf::lock_acquire "user_find:$login";
975		1342
976	$cf::PLAYER{$_[0]} || do {	1343	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1344	# rename old playerfiles to new ones
		1345	#TODO: remove when no longer required
		1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1349	aio_unlink +(playerdir $login) . "/$login.pl";
		1350
		1351	my $f = new_from_file cf::object::thawer path $login
978	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
980	}	1359	}
981	}	1360	}
982	}	1361	}
983		1362
…		…
993		1372
994	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
996		1375
997	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
998	Coro::cede;	1377	cf::cede_to_tick;
999	}	1378	}
1000		1379
1001	sub new($) {	1380	sub new($) {
1002	my ($login) = @_;	1381	my ($login) = @_;
1003		1382
…		…
1009	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1010		1389
1011	$self	1390	$self
1012	}	1391	}
1013		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
		1401	}
		1402
1014	=item $pl->quit_character	1403	=item $pl->quit_character
1015		1404
1016	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1406	be destroyed. May block for a long time.
1018		1407
1019	=cut	1408	=cut
1020		1409
1021	sub quit_character {	1410	sub quit_character {
1022	my ($pl) = @_;	1411	my ($pl) = @_;
		1412
		1413	my $name = $pl->ob->name;
1023		1414
1024	$pl->{deny_save} = 1;	1415	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1416	$pl->password ("*"); # this should lock out the player until we nuked the dir
1026		1417
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1423	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1424	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1425	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1426	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1427	$pl->destroy;
		1428
		1429	my $prefix = qr<^~\Q$name\E/>;
		1430
		1431	# nuke player maps
		1432	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1433
1037	IO::AIO::aio_rmtree $temp;	1434	IO::AIO::aio_rmtree $temp;
		1435	}
		1436
		1437	=item $pl->kick
		1438
		1439	Kicks a player out of the game. This destroys the connection.
		1440
		1441	=cut
		1442
		1443	sub kick {
		1444	my ($pl, $kicker) = @_;
		1445
		1446	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1447	$pl->killer ("kicked");
		1448	$pl->ns->destroy;
1038	}	1449	}
1039		1450
1040	=item cf::player::list_logins	1451	=item cf::player::list_logins
1041		1452
1042	Returns am arrayref of all valid playernames in the system, can take a	1453	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1044		1455
1045	=cut	1456	=cut
1046		1457
1047	sub list_logins {	1458	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1460	or return [];
1050		1461
1051	my @logins;	1462	my @logins;
1052		1463
1053	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1057		1473
1058	utf8::decode $login;	1474	utf8::decode $login;
1059	push @logins, $login;	1475	push @logins, $login;
1060	}	1476	}
1061		1477
…		…
1069		1485
1070	=cut	1486	=cut
1071		1487
1072	sub maps($) {	1488	sub maps($) {
1073	my ($pl) = @_;	1489	my ($pl) = @_;
		1490
		1491	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1492
1075	my $files = aio_readdir playerdir $pl	1493	my $files = aio_readdir playerdir $pl
1076	or return;	1494	or return;
1077		1495
1078	my @paths;	1496	my @paths;
…		…
1080	for (@$files) {	1498	for (@$files) {
1081	utf8::decode $_;	1499	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1500	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1501	next unless /^$PATH_SEP/o;
1084		1502
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1503	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1504	}
1087		1505
1088	\@paths	1506	\@paths
1089	}	1507	}
1090		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1092		1561
1093	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1094		1563
1095	=cut	1564	=cut
1096		1565
1097	sub ext_reply($$$%) {	1566	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1099		1568
1100	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1570	}
1104		1571
1105	package cf;	1572	=item $player->ext_msg ($type, @msg)
		1573
		1574	Sends an ext event to the client.
		1575
		1576	=cut
		1577
		1578	sub ext_msg($$@) {
		1579	my ($self, $type, @msg) = @_;
		1580
		1581	$self->ns->ext_msg ($type, @msg);
		1582	}
		1583
		1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1106		1612
1107	=back	1613	=back
1108
1109		1614
1110	=head3 cf::map	1615	=head3 cf::map
1111		1616
1112	=over 4	1617	=over 4
1113		1618
…		…
1168	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1169		1674
1170	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1171	local $self->{path};	1676	local $self->{path};
1172	local $self->{load_path};	1677	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1678
1176	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1177	}	1680	}
1178		1681
1179	sub normalise {	1682	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1227	return $self;	1730	return $self;
1228	}	1731	}
1229	}	1732	}
1230		1733
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1735	()
1233	}	1736	}
1234		1737
1235	sub init {	1738	sub init {
1236	my ($self) = @_;	1739	my ($self) = @_;
…		…
1251		1754
1252	# the original (read-only) location	1755	# the original (read-only) location
1253	sub load_path {	1756	sub load_path {
1254	my ($self) = @_;	1757	my ($self) = @_;
1255		1758
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1257	}	1760	}
1258		1761
1259	# the temporary/swap location	1762	# the temporary/swap location
1260	sub save_path {	1763	sub save_path {
1261	my ($self) = @_;	1764	my ($self) = @_;
1262		1765
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1767	"$TMPDIR/$path.map"
1265	}	1768	}
1266		1769
1267	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1268	sub uniq_path {	1771	sub uniq_path {
1269	my ($self) = @_;	1772	my ($self) = @_;
1270		1773
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1775	"$UNIQUEDIR/$path"
1273	}	1776	}
1274		1777
1275	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1276	# all maps in C++...	1779	# all maps in C++...
1277	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1279		1782
1280	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1282	}	1785	}
1283		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1284	sub unlink_save {	1795	sub unlink_save {
1285	my ($self) = @_;	1796	my ($self) = @_;
1286		1797
1287	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1802
1292	sub load_header_from($) {	1803	sub load_header_from($) {
1293	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1294		1805
1295	utf8::encode $path;	1806	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1297	or return;	1808	or return;
1298		1809
1299	$self->_load_header ($path)	1810	$self->_load_header ($f)
1300	or return;	1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1301		1815
1302	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1303		1817
1304	1	1818	1
1305	}	1819	}
…		…
1344	$self->load_header_orig	1858	$self->load_header_orig
1345	or return;	1859	or return;
1346	$self->prepare_orig;	1860	$self->prepare_orig;
1347	}	1861	}
1348		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
		1868
1349	1	1869	1
1350	}	1870	}
1351		1871
1352	sub find;	1872	sub find;
1353	sub find {	1873	sub find {
1354	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1355		1875
1356	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1357		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1359		1880
1360	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1362	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1363	or return;	1886	or return;
1364		1887
1365	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1366		1889
1367	$map->load_header	1890	$map->load_header
1368	or return;	1891	or return;
1369		1892
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1373	$map->reset;	1898	$map->reset;
1374	undef $guard;
1375	return find $path;	1899	return find $path;
1376	}	1900	}
1377		1901
1378	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1379	}	1903	}
…		…
1386	my ($self) = @_;	1910	my ($self) = @_;
1387		1911
1388	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1389		1913
1390	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1392		1918
		1919	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		1921
1395	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1396		1923
1397	$self->alloc;	1924	$self->alloc;
1398		1925
1399	$self->pre_load;	1926	$self->pre_load;
		1927	cf::cede_to_tick;
1400		1928
1401	$self->_load_objects ($self->{load_path}, 1)	1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1402	or return;	1932	or return;
1403		1933
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};	1935	if delete $self->{load_original};
1406		1936
1407	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	1938	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	1941	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1412	}	1945	}
1413	}	1946	}
1414		1947
1415	Coro::cede;	1948	$f->resolve_delayed_derefs;
1416		1949
		1950	cf::cede_to_tick;
1417	# now do the right thing for maps	1951	# now do the right thing for maps
1418	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1954	unless $self->difficulty;
1428	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1429	$self->activate;	1964	$self->activate;
		1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
		1970	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1971	}
1431		1972
1432	$self->post_load;	1973	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1974	}
1436		1975
1437	sub customise_for {	1976	sub customise_for {
1438	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1439		1978
1440	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1980	if $self->per_player;
1442		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1443	$self	1985	$self
1444	}	1986	}
1445		1987
1446	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	1989	sub load_neighbours {
1448	my ($map) = @_;	1990	my ($map) = @_;
1449		1991
1450	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1451		1993
1452	for (0 .. 3) {	1994	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1454	or next;	1996	or next;
1455	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1456	or next;	1998	or next;
1457	$neigh->load;	1999	$neigh->load;
1458		2000
		2001	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2004	}
1462		2005
1463	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1465	or next;	2009	or next;
1466	$neigh->load;	2010	$neigh->load;
1467	}	2011	}
1468	}	2012	}
1469		2013
…		…
1474	}	2018	}
1475		2019
1476	sub do_load_sync {	2020	sub do_load_sync {
1477	my ($map) = @_;	2021	my ($map) = @_;
1478		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1479	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1480	}	2027	}
1481		2028
1482	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1484		2031
1485	sub find_async {	2032	sub find_async {
1486	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1487		2034
1488	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1489		2036
1490	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492	}	2039	}
1493		2040
1494	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1495	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1496	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2048	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2049	$map->load if $v;
		2050	}
1501		2051
1502	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1503	}	2053	}
1504	}	2054	}
1505	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1506	};	2056	};
1507	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2060	}
1511		2061
1512	sub save {	2062	sub save {
1513	my ($self) = @_;	2063	my ($self) = @_;
1514		2064
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2066
1517	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1518		2068
1519	return unless $self->dirty;	2069	return unless $self->dirty;
1520		2070
…		…
1526	return if $self->{deny_save};	2076	return if $self->{deny_save};
1527		2077
1528	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1529		2079
1530	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1532	};	2083	};
1533		2084
1534	if ($uniq) {	2085	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1543	my ($self) = @_;	2094	my ($self) = @_;
1544		2095
1545	# save first because save cedes	2096	# save first because save cedes
1546	$self->save;	2097	$self->save;
1547		2098
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2100
1550	return if $self->players;	2101	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2103	return if $self->{deny_save};
1553		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2109	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2110	}
1557		2111
1558	sub reset_at {	2112	sub reset_at {
1559	my ($self) = @_;	2113	my ($self) = @_;
1560		2114
1561	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1564		2117
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2120
…		…
1578	my ($self) = @_;	2131	my ($self) = @_;
1579		2132
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2134
1582	return if $self->players;	2135	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2136
1585	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
		2138
		2139	$self->in_memory (cf::MAP_SWAPPED);
		2140
		2141	# need to save uniques path
		2142	unless ($self->{deny_save}) {
		2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2144
		2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2146	if $uniq;
		2147	}
1586		2148
1587	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1588		2150
1589	$self->in_memory (cf::MAP_SWAPPED);	2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2153	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2154
1594	$self->unlink_save;	2155	$self->unlink_save;
1595	$self->destroy;	2156	$self->destroy;
1596	}	2157	}
1597		2158
1598	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1599		2160
1600	sub nuke {	2161	sub nuke {
1601	my ($self) = @_;	2162	my ($self) = @_;
1602		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1603	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1604		2168
1605	$self->unlink_save;	2169	$self->unlink_save;
1606		2170
1607	bless $self, "cf::map";	2171	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2176
1613	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1614		2179
1615	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1616	}	2217	}
1617		2218
1618	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1619		2220
1620	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2222	instantiated unique items. May block.
1622		2223
1623	=cut	2224	=cut
1624		2225
1625	sub unique_maps() {	2226	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1627	or return;	2228	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2229	utf8::decode $_;
1633	next if /\.pst$/;	2230	/\.map$/
1634	next unless /^$PATH_SEP/o;	2231	? normalise $_
1635		2232	: ()
1636	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2234	]
1638
1639	\@paths
1640	}	2235	}
1641		2236
1642	package cf;	2237	package cf;
1643		2238
1644	=back	2239	=back
…		…
1662	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1663	}	2258	}
1664		2259
1665	sub inv_recursive {	2260	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
1667	}	2293	}
1668		2294
1669	package cf;	2295	package cf;
1670		2296
1671	=back	2297	=back
…		…
1690		2316
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2318
1693	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1695	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1698	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1699	}	2344	}
1700		2345
1701	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1702		2347
1703	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2395	$self->deactivate_recursive;
1751		2396
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2397	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2398
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2400	if $self->map && $self->map->{path} ne "{link}";
1756		2401
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2403	}
1759		2404
1760	sub cf::object::player::leave_link {	2405	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2406	my ($self, $map, $x, $y) = @_;
		2407
		2408	return unless $self->contr->active;
1762		2409
1763	my $link_pos = delete $self->{_link_pos};	2410	my $link_pos = delete $self->{_link_pos};
1764		2411
1765	unless ($map) {	2412	unless ($map) {
1766	# restore original map position	2413	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
1783		2430
1784	$map->load;	2431	$map->load;
1785	$map->load_diag;	2432	$map->load_neighbours;
1786		2433
1787	return unless $self->contr->active;	2434	return unless $self->contr->active;
1788	$self->activate_recursive;	2435	$self->activate_recursive;
		2436
		2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
1790	}	2439	}
1791		2440
1792	cf::player->attach (	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2442
1796	# abort map switching before logout	2443	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2444	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2445	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2446	the new (success) or old (failed) map position. In either case, $done will
1800	};	2447	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2448
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2449	=cut
		2450
		2451	our $GOTOGEN;
1827		2452
1828	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
		2455
		2456	# do generation counting so two concurrent goto's will be executed in-order
		2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2458
1831	$self->enter_link;	2459	$self->enter_link;
1832		2460
1833	(async {	2461	(async {
		2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1834	my $map = eval {	2483	my $map = eval {
1835	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1837	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2499	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1842	})->prio (1);	2507	})->prio (1);
1843	}	2508	}
1844		2509
1845	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1846		2511
…		…
1885		2550
1886	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1887		2552
1888	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2555	my $meta = "$RANDOMDIR/$md5.meta";
1891		2556
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2559	undef $fh;
1895	aio_rename "$meta~", $meta;	2560	aio_rename "$meta~", $meta;
…		…
1904		2569
1905	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1906		2571
1907	if ($exit->slaying eq "/!") {	2572	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2574	# the problem is that $exit might not survive long enough
		2575	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2576	cf::sync_job { prepare_random_map $exit };
1910	}	2577	}
1911		2578
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
1915		2582
1916	$self->enter_link;	2583	$self->enter_link;
1917		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
1918	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
1919	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2593	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2594	$self->goto ($slaying, $hp, $sp);
1922		2595
1923	1;	2596	1;
1924	}) {	2597	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2598	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2599	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2600	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2601	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2602
1930	warn "ERROR in enter_exit: $@";	2603	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2604	$self->leave_link;
1932	}	2605	}
1933	})->prio (1);	2606	})->prio (1);
…		…
1946		2619
1947	sub cf::client::send_drawinfo {	2620	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2621	my ($self, $text, $flags) = @_;
1949		2622
1950	utf8::encode $text;	2623	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2625	}
1953		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "infobox",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "infobox",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	"c/lookat" => {
		2650	id => "infobox",
		2651	title => "Look",
		2652	reply => undef,
		2653	tooltip => "What you saw there",
		2654	},
		2655	);
		2656
		2657	sub cf::client::send_msg {
		2658	my ($self, $channel, $msg, $color, @extra) = @_;
		2659
		2660	$msg = $self->pl->expand_cfpod ($msg);
		2661
		2662	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2663
		2664	# check predefined channels, for the benefit of C
		2665	if ($CHANNEL{$channel}) {
		2666	$channel = $CHANNEL{$channel};
		2667
		2668	$self->ext_msg (channel_info => $channel)
		2669	if $self->can_msg;
		2670
		2671	$channel = $channel->{id};
		2672
		2673	} elsif (ref $channel) {
		2674	# send meta info to client, if not yet sent
		2675	unless (exists $self->{channel}{$channel->{id}}) {
		2676	$self->{channel}{$channel->{id}} = $channel;
		2677	$self->ext_msg (channel_info => $channel)
		2678	if $self->can_msg;
		2679	}
		2680
		2681	$channel = $channel->{id};
		2682	}
		2683
		2684	return unless @extra || length $msg;
		2685
		2686	if ($self->can_msg) {
		2687	# default colour, mask it out
		2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2689	if $color & cf::NDI_DEF;
		2690
		2691	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2693	} else {
		2694	if ($color >= 0) {
		2695	# replace some tags by gcfclient-compatible ones
		2696	for ($msg) {
		2697	1 while
		2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2703	}
		2704
		2705	$color &= cf::NDI_COLOR_MASK;
		2706
		2707	utf8::encode $msg;
		2708
		2709	if (0 && $msg =~ /\[/) {
		2710	# COMMAND/INFO
		2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2712	} else {
		2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2714	$self->send_packet ("drawinfo $color $msg")
		2715	}
		2716	}
		2717	}
		2718	}
		2719
		2720	=item $client->ext_msg ($type, @msg)
		2721
		2722	Sends an ext event to the client.
		2723
		2724	=cut
		2725
		2726	sub cf::client::ext_msg($$@) {
		2727	my ($self, $type, @msg) = @_;
		2728
		2729	if ($self->extcmd == 2) {
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2731	} elsif ($self->extcmd == 1) { # TODO: remove
		2732	push @msg, msgtype => "event_$type";
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2734	}
		2735	}
		2736
		2737	=item $client->ext_reply ($msgid, @msg)
		2738
		2739	Sends an ext reply to the client.
		2740
		2741	=cut
		2742
		2743	sub cf::client::ext_reply($$@) {
		2744	my ($self, $id, @msg) = @_;
		2745
		2746	if ($self->extcmd == 2) {
		2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2748	} elsif ($self->extcmd == 1) {
		2749	#TODO: version 1, remove
		2750	unshift @msg, msgtype => "reply", msgid => $id;
		2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2752	}
		2753	}
1954		2754
1955	=item $success = $client->query ($flags, "text", \&cb)	2755	=item $success = $client->query ($flags, "text", \&cb)
1956		2756
1957	Queues a query to the client, calling the given callback with	2757	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2758	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2759	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2760
1961	Queries can fail, so check the return code. Or don't, as queries will become	2761	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2762	become reliable at some point in the future.
1963		2763
1964	=cut	2764	=cut
1965		2765
1966	sub cf::client::query {	2766	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2767	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2775	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2776	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2777
1978	$self->send_packet ($self->{query_queue}[0][0])	2778	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2779	if @{ $self->{query_queue} } == 1;
		2780
		2781	1
1980	}	2782	}
1981		2783
1982	cf::client->attach (	2784	cf::client->attach (
		2785	on_connect => sub {
		2786	my ($ns) = @_;
		2787
		2788	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2789	},
1983	on_reply => sub {	2790	on_reply => sub {
1984	my ($ns, $msg) = @_;	2791	my ($ns, $msg) = @_;
1985		2792
1986	# this weird shuffling is so that direct followup queries	2793	# this weird shuffling is so that direct followup queries
1987	# get handled first	2794	# get handled first
1988	my $queue = delete $ns->{query_queue}	2795	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2796	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2797
1991	(shift @$queue)->[1]->($msg);	2798	(shift @$queue)->[1]->($msg);
		2799	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2800
1993	push @{ $ns->{query_queue} }, @$queue;	2801	push @{ $ns->{query_queue} }, @$queue;
1994		2802
1995	if (@{ $ns->{query_queue} } == @$queue) {	2803	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2804	if (@$queue) {
…		…
1998	} else {	2806	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2807	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2808	}
2001	}	2809	}
2002	},	2810	},
		2811	on_exticmd => sub {
		2812	my ($ns, $buf) = @_;
		2813
		2814	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2815
		2816	if (ref $msg) {
		2817	my ($type, $reply, @payload) =
		2818	"ARRAY" eq ref $msg
		2819	? @$msg
		2820	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2821
		2822	my @reply;
		2823
		2824	if (my $cb = $EXTICMD{$type}) {
		2825	@reply = $cb->($ns, @payload);
		2826	}
		2827
		2828	$ns->ext_reply ($reply, @reply)
		2829	if $reply;
		2830
		2831	} else {
		2832	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2833	}
		2834
		2835	cf::override;
		2836	},
2003	);	2837	);
2004		2838
2005	=item $client->async (\&cb)	2839	=item $client->async (\&cb)
2006		2840
2007	Create a new coroutine, running the specified callback. The coroutine will	2841	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	2882	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	2883	our $safe_hole = new Safe::Hole;
2050		2884
2051	$SIG{FPE} = 'IGNORE';	2885	$SIG{FPE} = 'IGNORE';
2052		2886
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2887	$safe->permit_only (Opcode::opset qw(
		2888	:base_core :base_mem :base_orig :base_math
		2889	grepstart grepwhile mapstart mapwhile
		2890	sort time
		2891	));
2054		2892
2055	# here we export the classes and methods available to script code	2893	# here we export the classes and methods available to script code
2056		2894
2057	=pod	2895	=pod
2058		2896
2059	The following fucntions and emthods are available within a safe environment:	2897	The following functions and methods are available within a safe environment:
2060		2898
2061	cf::object contr pay_amount pay_player map	2899	cf::object
		2900	contr pay_amount pay_player map x y force_find force_add
		2901	insert remove name archname title slaying race decrease_ob_nr
		2902
2062	cf::object::player player	2903	cf::object::player
2063	cf::player peaceful	2904	player
2064	cf::map trigger	2905
		2906	cf::player
		2907	peaceful
		2908
		2909	cf::map
		2910	trigger
2065		2911
2066	=cut	2912	=cut
2067		2913
2068	for (	2914	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2916	insert remove inv name archname title slaying race
		2917	decrease_ob_nr)],
2070	["cf::object::player" => qw(player)],	2918	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2919	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2920	["cf::map" => qw(trigger)],
2073	) {	2921	) {
2074	no strict 'refs';	2922	no strict 'refs';
…		…
2145	=back	2993	=back
2146		2994
2147	=cut	2995	=cut
2148		2996
2149	#############################################################################	2997	#############################################################################
		2998	# the server's init and main functions
2150		2999
2151	=head2 EXTENSION DATABASE SUPPORT	3000	sub load_facedata($) {
		3001	my ($path) = @_;
2152		3002
2153	Crossfire maintains a very simple database for extension use. It can	3003	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3004	# for this (global event?)
2155	excludes objects.	3005	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3006
2157	The parameter C<$family> should best start with the name of the extension	3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3008
2160	=over 4	3009	warn "loading facedata from $path\n";
2161		3010
2162	=item $hashref = cf::db_get $family	3011	my $facedata;
		3012	0 < aio_load $path, $facedata
		3013	or die "$path: $!";
2163		3014
2164	Return a hashref for use by the extension C<$family>, which can be	3015	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3016
2168	=item $value = cf::db_get $family => $key	3017	$facedata->{version} == 2
		3018	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3019
2170	Returns a single value from the database	3020	# patch in the exptable
2171		3021	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3022	type => FT_RSRC,
2173		3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3024	};
		3025	cf::cede_to_tick;
2200		3026
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3027	{
		3028	my $faces = $facedata->{faceinfo};
2212		3029
2213	my $dirty;	3030	while (my ($face, $info) = each %$faces) {
		3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3032	cf::face::set_visibility $idx, $info->{visibility};
		3033	cf::face::set_magicmap $idx, $info->{magicmap};
		3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214		3036
2215	sub db_sync() {	3037	cf::cede_to_tick;
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3038	}
2254	);
2255	}
2256		3039
2257	#############################################################################	3040	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3041	next unless $info->{smooth};
		3042	my $idx = cf::face::find $face
		3043	or next;
		3044	if (my $smooth = cf::face::find $info->{smooth}) {
		3045	cf::face::set_smooth $idx, $smooth;
		3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3047	} else {
		3048	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3049	}
2259		3050
2260	sub cfg_load {	3051	cf::cede_to_tick;
		3052	}
		3053	}
		3054
		3055	{
		3056	my $anims = $facedata->{animinfo};
		3057
		3058	while (my ($anim, $info) = each %$anims) {
		3059	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3060	cf::cede_to_tick;
		3061	}
		3062
		3063	cf::anim::invalidate_all; # d'oh
		3064	}
		3065
		3066	{
		3067	# TODO: for gcfclient pleasure, we should give resources
		3068	# that gcfclient doesn't grok a >10000 face index.
		3069	my $res = $facedata->{resource};
		3070
		3071	my $soundconf = delete $res->{"res/sound.conf"};
		3072
		3073	while (my ($name, $info) = each %$res) {
		3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3075	my $data;
		3076
		3077	if ($info->{type} & 1) {
		3078	# prepend meta info
		3079
		3080	my $meta = $enc->encode ({
		3081	name => $name,
		3082	%{ $info->{meta} || {} },
		3083	});
		3084
		3085	$data = pack "(w/a*)*", $meta, $info->{data};
		3086	} else {
		3087	$data = $info->{data};
		3088	}
		3089
		3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3091	cf::face::set_type $idx, $info->{type};
		3092
		3093	cf::cede_to_tick;
		3094	}
		3095
		3096	if ($soundconf) {
		3097	$soundconf = $enc->decode (delete $soundconf->{data});
		3098
		3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3100	my $sound = $soundconf->{compat}[$_]
		3101	or next;
		3102
		3103	my $face = cf::face::find "sound/$sound->[1]";
		3104	cf::sound::set $sound->[0] => $face;
		3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3106	}
		3107
		3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3109	my $face = cf::face::find "sound/$v";
		3110	cf::sound::set $k => $face;
		3111	}
		3112	}
		3113	}
		3114
		3115	1
		3116	}
		3117
		3118	register_exticmd fx_want => sub {
		3119	my ($ns, $want) = @_;
		3120
		3121	while (my ($k, $v) = each %$want) {
		3122	$ns->fx_want ($k, $v);
		3123	}
		3124	};
		3125
		3126	sub reload_regions {
		3127	# HACK to clear player env face cache, we need some signal framework
		3128	# for this (global event?)
		3129	%ext::player_env::MUSIC_FACE_CACHE = ();
		3130
		3131	load_resource_file "$MAPDIR/regions"
		3132	or die "unable to load regions file\n";
		3133
		3134	for (cf::region::list) {
		3135	$_->{match} = qr/$_->{match}/
		3136	if exists $_->{match};
		3137	}
		3138	}
		3139
		3140	sub reload_facedata {
		3141	load_facedata "$DATADIR/facedata"
		3142	or die "unable to load facedata\n";
		3143	}
		3144
		3145	sub reload_archetypes {
		3146	load_resource_file "$DATADIR/archetypes"
		3147	or die "unable to load archetypes\n";
		3148	#d# NEED to laod twice to resolve forward references
		3149	# this really needs to be done in an extra post-pass
		3150	# (which needs to be synchronous, so solve it differently)
		3151	load_resource_file "$DATADIR/archetypes"
		3152	or die "unable to load archetypes\n";
		3153	}
		3154
		3155	sub reload_treasures {
		3156	load_resource_file "$DATADIR/treasures"
		3157	or die "unable to load treasurelists\n";
		3158	}
		3159
		3160	sub reload_resources {
		3161	warn "reloading resource files...\n";
		3162
		3163	reload_regions;
		3164	reload_facedata;
		3165	#reload_archetypes;#d#
		3166	reload_archetypes;
		3167	reload_treasures;
		3168
		3169	warn "finished reloading resource files\n";
		3170	}
		3171
		3172	sub init {
		3173	reload_resources;
		3174	}
		3175
		3176	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3177	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3178	or return;
2263		3179
2264	local $/;	3180	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3181	*CFG = YAML::Syck::Load <$fh>;
2266		3182
…		…
2281	sub main {	3197	sub main {
2282	# we must not ever block the main coroutine	3198	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3199	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3201	(async {
		3202	$Coro::current->{desc} = "IDLE BUG HANDLER";
2286	Event::one_event;	3203	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	3204	})->prio (Coro::PRIO_MAX);
2288	};	3205	};
2289		3206
2290	cfg_load;	3207	reload_config;
2291	db_load;	3208	db_init;
2292	load_extensions;	3209	load_extensions;
2293		3210
2294	$TICK_WATCHER->start;	3211	$TICK_WATCHER->start;
2295	Event::loop;	3212	Event::loop;
2296	}	3213	}
…		…
2311	},	3228	},
2312	);	3229	);
2313	}	3230	}
2314	}	3231	}
2315		3232
		3233	sub write_runtime {
		3234	my $runtime = "$LOCALDIR/runtime";
		3235
		3236	# first touch the runtime file to show we are still running:
		3237	# the fsync below can take a very very long time.
		3238
		3239	IO::AIO::aio_utime $runtime, undef, undef;
		3240
		3241	my $guard = cf::lock_acquire "write_runtime";
		3242
		3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3244	or return;
		3245
		3246	my $value = $cf::RUNTIME + 90 + 10;
		3247	# 10 is the runtime save interval, for a monotonic clock
		3248	# 60 allows for the watchdog to kill the server.
		3249
		3250	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3251	and return;
		3252
		3253	# always fsync - this file is important
		3254	aio_fsync $fh
		3255	and return;
		3256
		3257	# touch it again to show we are up-to-date
		3258	aio_utime $fh, undef, undef;
		3259
		3260	close $fh
		3261	or return;
		3262
		3263	aio_rename "$runtime~", $runtime
		3264	and return;
		3265
		3266	warn "runtime file written.\n";
		3267
		3268	1
		3269	}
		3270
2316	sub emergency_save() {	3271	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3272	my $freeze_guard = cf::freeze_mainloop;
2318		3273
2319	warn "enter emergency perl save\n";	3274	warn "enter emergency perl save\n";
2320		3275
…		…
2335	my $map = $cf::MAP{$path} or next;	3290	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3291	$map->valid or next;
2337	$map->save;	3292	$map->save;
2338	}	3293	}
2339	warn "end emergency map save\n";	3294	warn "end emergency map save\n";
		3295
		3296	warn "begin emergency database checkpoint\n";
		3297	BDB::db_env_txn_checkpoint $DB_ENV;
		3298	warn "end emergency database checkpoint\n";
2340	};	3299	};
2341		3300
2342	warn "leave emergency perl save\n";	3301	warn "leave emergency perl save\n";
2343	}	3302	}
2344		3303
		3304	sub post_cleanup {
		3305	my ($make_core) = @_;
		3306
		3307	warn Carp::longmess "post_cleanup backtrace"
		3308	if $make_core;
		3309	}
		3310
2345	sub reload() {	3311	sub do_reload_perl() {
2346	# can/must only be called in main	3312	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3313	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3314	warn "can only reload from main coroutine";
2349	return;	3315	return;
2350	}	3316	}
2351		3317
2352	warn "reloading...";	3318	warn "reloading...";
2353		3319
2354	warn "cancelling server ticker";	3320	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3321
		3322	cf::sync_job {
		3323	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	3324	cf::emergency_save;
		3325	cf::write_runtime; # external watchdog should not bark
2358		3326
2359	eval {	3327	warn "syncing database to disk";
		3328	BDB::db_env_txn_checkpoint $DB_ENV;
		3329
2360	# if anything goes wrong in here, we should simply crash as we already saved	3330	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		3331
2365	warn "cancelling all WF_AUTOCANCEL watchers";	3332	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	3333	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3334	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3335	}
2369		3336
2370	warn "flushing outstanding aio requests";	3337	warn "flushing outstanding aio requests";
2371	for (;;) {	3338	for (;;) {
		3339	BDB::flush;
2372	IO::AIO::flush;	3340	IO::AIO::flush;
2373	Coro::cede;	3341	Coro::cede;
2374	last unless IO::AIO::nreqs;	3342	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3343	warn "iterate...";
2376	}	3344	}
		3345
		3346	++$RELOAD;
2377		3347
2378	warn "cancelling all extension coros";	3348	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3349	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3350	%EXT_CORO = ();
2381		3351
2382	warn "removing commands";	3352	warn "removing commands";
2383	%COMMAND = ();	3353	%COMMAND = ();
2384		3354
2385	warn "removing ext commands";	3355	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3356	%EXTCMD = ();
		3357	%EXTICMD = ();
2387		3358
2388	warn "unloading/nuking all extensions";	3359	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3360	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3361	warn "... unloading $pkg";
2391		3362
…		…
2421	Symbol::delete_package "safe::$_"	3392	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3393	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3394
2424	warn "unloading cf.pm \"a bit\"";	3395	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3396	delete $INC{"cf.pm"};
		3397	delete $INC{"cf/pod.pm"};
2426		3398
2427	# don't, removes xs symbols, too,	3399	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3400	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3401	#Symbol::delete_package __PACKAGE__;
2430		3402
…		…
2433	warn "reloading cf.pm";	3405	warn "reloading cf.pm";
2434	require cf;	3406	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3408
2437	warn "loading config and database again";	3409	warn "loading config and database again";
2438	cf::cfg_load;	3410	cf::reload_config;
2439	cf::db_load;
2440		3411
2441	warn "loading extensions";	3412	warn "loading extensions";
2442	cf::load_extensions;	3413	cf::load_extensions;
2443		3414
2444	warn "reattaching attachments to objects/players";	3415	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3416	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3417	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3418	reattach $_ for values %MAP;
		3419	warn "reattaching attachments to players";
		3420	reattach $_ for values %PLAYER;
2448		3421
2449	warn "restarting server ticker";	3422	warn "leaving sync_job";
2450		3423
2451	$TICK_WATCHER->start;	3424	1
2452	};	3425	} or do {
2453
2454	if ($@) {
2455	warn $@;	3426	warn $@;
2456	warn "error while reloading, exiting.";	3427	warn "error while reloading, exiting.";
2457	exit 1;	3428	exit 1;
2458	}	3429	};
2459		3430
2460	warn "reloaded";	3431	warn "reloaded";
2461	};	3432	};
2462		3433
2463	our $RELOAD_WATCHER; # used only during reload	3434	our $RELOAD_WATCHER; # used only during reload
2464		3435
		3436	sub reload_perl() {
		3437	# doing reload synchronously and two reloads happen back-to-back,
		3438	# coro crashes during coro_state_free->destroy here.
		3439
		3440	$RELOAD_WATCHER ||= Event->timer (
		3441	reentrant => 0,
		3442	after => 0,
		3443	data => WF_AUTOCANCEL,
		3444	cb => sub {
		3445	do_reload_perl;
		3446	undef $RELOAD_WATCHER;
		3447	},
		3448	);
		3449	}
		3450
2465	register_command "reload" => sub {	3451	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3452	my ($who, $arg) = @_;
2467		3453
2468	if ($who->flag (FLAG_WIZ)) {	3454	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3455	$who->message ("reloading server.");
2470		3456	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3457	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3458	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3459	};
2483	}	3460	}
2484	};	3461	};
2485		3462
2486	unshift @INC, $LIBDIR;	3463	unshift @INC, $LIBDIR;
2487		3464
2488	my $bug_warning = 0;	3465	my $bug_warning = 0;
		3466
		3467	our @WAIT_FOR_TICK;
		3468	our @WAIT_FOR_TICK_BEGIN;
		3469
		3470	sub wait_for_tick {
		3471	return unless $TICK_WATCHER->is_active;
		3472	return if $Coro::current == $Coro::main;
		3473
		3474	my $signal = new Coro::Signal;
		3475	push @WAIT_FOR_TICK, $signal;
		3476	$signal->wait;
		3477	}
		3478
		3479	sub wait_for_tick_begin {
		3480	return unless $TICK_WATCHER->is_active;
		3481	return if $Coro::current == $Coro::main;
		3482
		3483	my $signal = new Coro::Signal;
		3484	push @WAIT_FOR_TICK_BEGIN, $signal;
		3485	$signal->wait;
		3486	}
2489		3487
2490	$TICK_WATCHER = Event->timer (	3488	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3489	reentrant => 0,
2492	parked => 1,	3490	parked => 1,
2493	prio => 0,	3491	prio => 0,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3497	unless ++$bug_warning > 10;
2500	return;	3498	return;
2501	}	3499	}
2502		3500
2503	$NOW = Event::time;	3501	$NOW = $tick_start = Event::time;
2504		3502
2505	cf::server_tick; # one server iteration	3503	cf::server_tick; # one server iteration
		3504
2506	$RUNTIME += $TICK;	3505	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3506	$NEXT_TICK += $TICK;
2508		3507
2509	$WAIT_FOR_TICK->broadcast;	3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3509	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3510	Coro::async_pool {
2512	Event::sweep;	3511	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;	3512	write_runtime
		3513	or warn "ERROR: unable to write runtime file: $!";
		3514	};
2514		3515	}
2515	# my $AFTER = Event::time;	3516
2516	# warn $AFTER - $NOW;#d#	3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3518	$sig->send;
		3519	}
		3520	while (my $sig = shift @WAIT_FOR_TICK) {
		3521	$sig->send;
		3522	}
		3523
		3524	$NOW = Event::time;
2517		3525
2518	# if we are delayed by four ticks or more, skip them all	3526	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3527	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3528
2521	$TICK_WATCHER->at ($NEXT_TICK);	3529	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3530	$TICK_WATCHER->start;
		3531
		3532	$LOAD = ($NOW - $tick_start) / $TICK;
		3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3534
		3535	_post_tick;
2523	},	3536	},
2524	);	3537	);
2525		3538
		3539	{
		3540	BDB::min_parallel 8;
		3541	BDB::max_poll_time $TICK * 0.1;
		3542	$BDB_POLL_WATCHER = Event->io (
		3543	reentrant => 0,
		3544	fd => BDB::poll_fileno,
		3545	poll => 'r',
		3546	prio => 0,
		3547	data => WF_AUTOCANCEL,
		3548	cb => \&BDB::poll_cb,
		3549	);
		3550
		3551	BDB::set_sync_prepare {
		3552	my $status;
		3553	my $current = $Coro::current;
		3554	(
		3555	sub {
		3556	$status = $!;
		3557	$current->ready; undef $current;
		3558	},
		3559	sub {
		3560	Coro::schedule while defined $current;
		3561	$! = $status;
		3562	},
		3563	)
		3564	};
		3565
		3566	unless ($DB_ENV) {
		3567	$DB_ENV = BDB::db_env_create;
		3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
		3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3572
		3573	cf::sync_job {
		3574	eval {
		3575	BDB::db_env_open
		3576	$DB_ENV,
		3577	$BDBDIR,
		3578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3580	0666;
		3581
		3582	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3583	};
		3584
		3585	cf::cleanup "db_env_open(db): $@" if $@;
		3586	};
		3587	}
		3588
		3589	$BDB_DEADLOCK_WATCHER = Event->timer (
		3590	after => 3,
		3591	interval => 1,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3597	},
		3598	);
		3599	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3600	after => 11,
		3601	interval => 60,
		3602	hard => 1,
		3603	prio => 0,
		3604	data => WF_AUTOCANCEL,
		3605	cb => sub {
		3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3607	},
		3608	);
		3609	$BDB_TRICKLE_WATCHER = Event->timer (
		3610	after => 5,
		3611	interval => 10,
		3612	hard => 1,
		3613	prio => 0,
		3614	data => WF_AUTOCANCEL,
		3615	cb => sub {
		3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3617	},
		3618	);
		3619	}
		3620
		3621	{
		3622	IO::AIO::min_parallel 8;
		3623
		3624	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3625	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3626	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3627	reentrant => 0,
		3628	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3629	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3630	poll => 'r',
2533	prio => 6,	3631	prio => 0,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3632	cb => \&IO::AIO::poll_cb,
2536	);	3633	);
		3634	}
2537		3635
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3636	my $_log_backtrace;
2539	reentrant => 0,	3637
2540	data => WF_AUTOCANCEL,	3638	sub _log_backtrace {
2541	after => 1,	3639	my ($msg, @addr) = @_;
2542	interval => 10,	3640
2543	prio => 6, # keep it lowest so it acts like a watchdog	3641	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3642
2545	write_runtime	3643	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3644	if ($_log_backtrace < 2) {
		3645	++$_log_backtrace;
		3646	async {
		3647	$Coro::current->{desc} = "abt $msg";
		3648
		3649	my @bt = fork_call {
		3650	@addr = map { sprintf "%x", $_ } @addr;
		3651	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3652	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3653	or die "addr2line: $!";
		3654
		3655	my @funcs;
		3656	my @res = <$fh>;
		3657	chomp for @res;
		3658	while (@res) {
		3659	my ($func, $line) = splice @res, 0, 2, ();
		3660	push @funcs, "[$func] $line";
		3661	}
		3662
		3663	@funcs
		3664	};
		3665
		3666	LOG llevInfo, "[ABT] $msg\n";
		3667	LOG llevInfo, "[ABT] $_\n" for @bt;
		3668	--$_log_backtrace;
		3669	};
		3670	} else {
		3671	LOG llevInfo, "[ABT] $msg\n";
		3672	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3673	}
2548	);	3674	}
		3675
		3676	# load additional modules
		3677	use cf::pod;
2549		3678
2550	END { cf::emergency_save }	3679	END { cf::emergency_save }
2551		3680
2552	1	3681	1
2553		3682

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines