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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.391 by root, Fri Oct 26 04:22:05 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
87		120
88	sub cf::map::normalise;	121	sub cf::map::normalise;
89		122
…		…
100	=item $cf::RUNTIME	133	=item $cf::RUNTIME
101		134
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	136	every server tick.
104		137
105	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		141
107	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
109		146
110	=item $cf::NOW	147	=item $cf::NOW
111		148
112	The time of the last (current) server tick.	149	The time of the last (current) server tick.
113		150
114	=item $cf::TICK	151	=item $cf::TICK
115		152
116	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
117		164
118	=item %cf::CFG	165	=item %cf::CFG
119		166
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	168	from wherever your confdir points to.
122		169
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		171
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
129		181
130	=back	182	=back
131		183
132	=cut	184	=cut
133		185
134	BEGIN {	186	BEGIN {
135	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	188	my $msg = join "", @_;
137	utf8::encode $msg;
138		189
139	$msg .= "\n"	190	$msg .= "\n"
140	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
141		194
142	LOG llevError, $msg;	195	LOG llevError, $msg;
143	};	196	};
144	}	197	}
145		198
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		206
153	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	208	# within the Safe compartment.
155	for my $pkg (qw(	209	for my $pkg (qw(
156	cf::global cf::attachable	210	cf::global cf::attachable
…		…
164	}	218	}
165		219
166	$Event::DIED = sub {	220	$Event::DIED = sub {
167	warn "error in event callback: @_";	221	warn "error in event callback: @_";
168	};	222	};
		223
		224	#############################################################################
169		225
170	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
171		227
172	=over 4	228	=over 4
173		229
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	249	$d
194	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
195	}	251	}
196		252
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
200		254
201	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
202		256
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
211		258
212	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
213		260
214	=cut	261	=cut
215		262
216	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
218	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
261	}	323	}
262		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
266	my $guard = Coro::guard {	334	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	336	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
273	}	397	}
274		398
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
290		415
291	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
305	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	435	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
308		437
309	my $busy = 1;	438	my $busy = 1;
310	my @res;	439	my @res;
311		440
312	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	443	@res = eval { $job->() };
314	warn $@ if $@;	444	warn $@ if $@;
315	undef $busy;	445	undef $busy;
316	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
317		447
318	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
319	Coro::cede or Event::one_event;	452	Event::one_event;
320	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
321		462
322	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
323	} else {	464	} else {
324	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
325		466
…		…
345	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
346		487
347	$coro	488	$coro
348	}	489	}
349		490
350	sub write_runtime {	491	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		492
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
354	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
355		497
356	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		499
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
361	and return;	501	my ($cb, @args) = @_;
362		502
363	aio_fsync $fh	503	# we seemingly have to make a local copy of the whole thing,
364	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
365		506
366	close $fh	507	my @res = Coro::Util::fork_eval {
367	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
368		511
369	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
370	and return;	513	}
371		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
372	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	651	}
374		652
375	=back	653	=back
376		654
377	=cut	655	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
386		664
387	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	667	Crossfire TRT).
390		668
391	=over 4	669	=over 4
392		670
393	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
394		672
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
558		836
559	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		841
564	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	843	my $pkg = shift @arg;
566		844
567	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
597	}	875	}
598		876
599	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
600	} else {	878	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	880	}
603		881
604	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
605	}	883	}
606		884
…		…
608	if (ref $_[0]) {	886	if (ref $_[0]) {
609	_object_attach @_;	887	_object_attach @_;
610	} else {	888	} else {
611	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
612	}	890	}
		891	_recalc_want;
613	};	892	};
614		893
615	# all those should be optimised	894	# all those should be optimised
616	sub cf::attachable::detach {	895	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
621	reattach ($obj);	900	reattach ($obj);
622	} else {	901	} else {
623	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
624	}	903	}
		904	_recalc_want;
625	};	905	};
626		906
627	sub cf::attachable::attached {	907	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
629		909
…		…
644	";	924	";
645	die if $@;	925	die if $@;
646	}	926	}
647		927
648	our $override;	928	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		930
651	sub override {	931	sub override {
652	$override = 1;	932	$override = 1;
653	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
654	}	934	}
655		935
656	sub do_invoke {	936	sub do_invoke {
657	my $event = shift;	937	my $event = shift;
658	my $callbacks = shift;	938	my $callbacks = shift;
659		939
660	@invoke_results = ();	940	@INVOKE_RESULTS = ();
661		941
662	local $override;	942	local $override;
663		943
664	for (@$callbacks) {	944	for (@$callbacks) {
665	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
682		962
683	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
684		964
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		968
689	=back	969	=back
690		970
691	=cut	971	=cut
692		972
693	#############################################################################	973	#############################################################################
694	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
695		1017
696	sub reattach {	1018	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1020	my ($obj) = @_;
699		1021
…		…
746	sub object_freezer_save {	1068	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
748		1070
749	sync_job {	1071	sync_job {
750	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
753		1076
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1081	close $fh;
759		1082
760	if (@$objs) {	1083	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1089	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
768	}	1091	}
769	} else {	1092	} else {
770	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
776	}	1099	}
777	} else {	1100	} else {
778	aio_unlink $filename;	1101	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
780	}	1103	}
781	}	1104	};
782	}	1105	}
783		1106
784	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
786		1109
…		…
798	or return;	1121	or return;
799		1122
800	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
802	or return;	1125	or return;
		1126
803	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
804	}	1129	}
805		1130
		1131	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
808	return ($data, $av);	1135	($data, $av)
809	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
810		1143
811	#############################################################################	1144	#############################################################################
812	# command handling &c	1145	# command handling &c
813		1146
814	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1161	}
829		1162
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1164
832	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
833		1170
834	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
835	called.	1172	called.
836		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
837	=cut	1185	=cut
838		1186
839	sub register_extcmd {	1187	sub register_extcmd {
840	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
841		1189
842	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
843	}	1197	}
844		1198
845	cf::player->attach (	1199	cf::player->attach (
846	on_command => sub {	1200	on_command => sub {
847	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1210	cf::override;
857	},	1211	},
858	on_extcmd => sub {	1212	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
860		1214
861	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1216
863	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
869	} else {	1232	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1234	}
872		1235
873	cf::override;	1236	cf::override;
874	},	1237	},
875	);	1238	);
876		1239
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
912	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1245	next unless -r $path;
914	eval {	1246
915	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
916	1	1304	}
917	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
918	}	1310	};
919	}	1311	}
920		1312
921	#############################################################################	1313	#############################################################################
922		1314
		1315	=back
		1316
923	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
924		1318
925	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
926		1320
927	=cut	1321	=cut
…		…
932		1326
933	=head3 cf::player	1327	=head3 cf::player
934		1328
935	=over 4	1329	=over 4
936		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
937	=item cf::player::find $login	1345	=item cf::player::find $login
938		1346
939	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
940		1348
941	=cut	1349	=cut
942		1350
943	sub playerdir($) {	1351	sub playerdir($) {
944	cf::localdir	1352	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1354	}
950		1355
951	sub path($) {	1356	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1358
954	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
955	}	1360	}
956		1361
957	sub find_active($) {	1362	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1377	my $login = $_[0];
973		1378
974	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
975		1380
976	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
978	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
980	}	1397	}
981	}	1398	}
982	}	1399	}
983		1400
…		…
993		1410
994	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
996		1413
997	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
998	Coro::cede;	1415	cf::cede_to_tick;
999	}	1416	}
1000		1417
1001	sub new($) {	1418	sub new($) {
1002	my ($login) = @_;	1419	my ($login) = @_;
1003		1420
…		…
1009	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1010		1427
1011	$self	1428	$self
1012	}	1429	}
1013		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1014	=item $pl->quit_character	1441	=item $pl->quit_character
1015		1442
1016	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1018		1445
1019	=cut	1446	=cut
1020		1447
1021	sub quit_character {	1448	sub quit_character {
1022	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1023		1452
1024	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1026		1455
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1037	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1038	}	1487	}
1039		1488
1040	=item cf::player::list_logins	1489	=item cf::player::list_logins
1041		1490
1042	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1044		1493
1045	=cut	1494	=cut
1046		1495
1047	sub list_logins {	1496	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1498	or return [];
1050		1499
1051	my @logins;	1500	my @logins;
1052		1501
1053	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1057		1511
1058	utf8::decode $login;	1512	utf8::decode $login;
1059	push @logins, $login;	1513	push @logins, $login;
1060	}	1514	}
1061		1515
…		…
1069		1523
1070	=cut	1524	=cut
1071		1525
1072	sub maps($) {	1526	sub maps($) {
1073	my ($pl) = @_;	1527	my ($pl) = @_;
		1528
		1529	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1530
1075	my $files = aio_readdir playerdir $pl	1531	my $files = aio_readdir playerdir $pl
1076	or return;	1532	or return;
1077		1533
1078	my @paths;	1534	my @paths;
…		…
1080	for (@$files) {	1536	for (@$files) {
1081	utf8::decode $_;	1537	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1538	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1539	next unless /^$PATH_SEP/o;
1084		1540
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1541	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1542	}
1087		1543
1088	\@paths	1544	\@paths
1089	}	1545	}
1090		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	(?:
		1558	\ (.*?)\ (?{ $group = $^N })
		1559	| < (??{$interior}) >
		1560	)
		1561	}x;
		1562
		1563	sub expand_cfpod {
		1564	my ($self, $pod) = @_;
		1565
		1566	my $xml;
		1567
		1568	while () {
		1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
		1570	$group = $1;
		1571
		1572	$group =~ s/&/&amp;/g;
		1573	$group =~ s/</&lt;/g;
		1574
		1575	$xml .= $group;
		1576	} elsif ($pod =~ m%\G
		1577	([BCGHITU])
		1578	<
		1579	(?:
		1580	([^<>]*) (?{ $group = $^N })
		1581	| < $interior >
		1582	)
		1583	>
		1584	%gcsx
		1585	) {
		1586	my ($code, $data) = ($1, $group);
		1587
		1588	if ($code eq "B") {
		1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1590	} elsif ($code eq "I") {
		1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1592	} elsif ($code eq "U") {
		1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1594	} elsif ($code eq "C") {
		1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1596	} elsif ($code eq "T") {
		1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1598	} elsif ($code eq "G") {
		1599	my ($male, $female) = split /\|/, $data;
		1600	$data = $self->gender ? $female : $male;
		1601	$xml .= expand_cfpod ($self, $data);
		1602	} elsif ($code eq "H") {
		1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1605	"")
		1606	[$self->{hintmode}];
		1607	} else {
		1608	$xml .= "error processing '$code($data)' directive";
		1609	}
		1610	} else {
		1611	if ($pod =~ /\G(.+)/) {
		1612	warn "parse error while expanding $pod (at $1)";
		1613	}
		1614	last;
		1615	}
		1616	}
		1617
		1618	for ($xml) {
		1619	# create single paragraphs (very hackish)
		1620	s/(?<=\S)\n(?=\w)/ /g;
		1621
		1622	# compress some whitespace
		1623	s/\s+\n/\n/g; # ws line-ends
		1624	s/\n\n+/\n/g; # double lines
		1625	s/^\n+//; # beginning lines
		1626	s/\n+$//; # ending lines
		1627	}
		1628
		1629	$xml
		1630	}
		1631
		1632	sub hintmode {
		1633	$_[0]{hintmode} = $_[1] if @_ > 1;
		1634	$_[0]{hintmode}
		1635	}
		1636
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1637	=item $player->ext_reply ($msgid, @msg)
1092		1638
1093	Sends an ext reply to the player.	1639	Sends an ext reply to the player.
1094		1640
1095	=cut	1641	=cut
1096		1642
1097	sub ext_reply($$$%) {	1643	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1644	my ($self, $id, @msg) = @_;
1099		1645
1100	$msg{msgid} = $id;	1646	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1647	}
1104		1648
1105	package cf;	1649	=item $player->ext_msg ($type, @msg)
		1650
		1651	Sends an ext event to the client.
		1652
		1653	=cut
		1654
		1655	sub ext_msg($$@) {
		1656	my ($self, $type, @msg) = @_;
		1657
		1658	$self->ns->ext_msg ($type, @msg);
		1659	}
		1660
		1661	=head3 cf::region
		1662
		1663	=over 4
		1664
		1665	=cut
		1666
		1667	package cf::region;
		1668
		1669	=item cf::region::find_by_path $path
		1670
		1671	Tries to decuce the likely region for a map knowing only its path.
		1672
		1673	=cut
		1674
		1675	sub find_by_path($) {
		1676	my ($path) = @_;
		1677
		1678	my ($match, $specificity);
		1679
		1680	for my $region (list) {
		1681	if ($region->{match} && $path =~ $region->{match}) {
		1682	($match, $specificity) = ($region, $region->specificity)
		1683	if $region->specificity > $specificity;
		1684	}
		1685	}
		1686
		1687	$match
		1688	}
1106		1689
1107	=back	1690	=back
1108
1109		1691
1110	=head3 cf::map	1692	=head3 cf::map
1111		1693
1112	=over 4	1694	=over 4
1113		1695
…		…
1168	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1169		1751
1170	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1171	local $self->{path};	1753	local $self->{path};
1172	local $self->{load_path};	1754	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1755
1176	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1177	}	1757	}
1178		1758
1179	sub normalise {	1759	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1227	return $self;	1807	return $self;
1228	}	1808	}
1229	}	1809	}
1230		1810
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1812	()
1233	}	1813	}
1234		1814
1235	sub init {	1815	sub init {
1236	my ($self) = @_;	1816	my ($self) = @_;
…		…
1251		1831
1252	# the original (read-only) location	1832	# the original (read-only) location
1253	sub load_path {	1833	sub load_path {
1254	my ($self) = @_;	1834	my ($self) = @_;
1255		1835
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1257	}	1837	}
1258		1838
1259	# the temporary/swap location	1839	# the temporary/swap location
1260	sub save_path {	1840	sub save_path {
1261	my ($self) = @_;	1841	my ($self) = @_;
1262		1842
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1265	}	1845	}
1266		1846
1267	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1268	sub uniq_path {	1848	sub uniq_path {
1269	my ($self) = @_;	1849	my ($self) = @_;
1270		1850
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1273	}	1853	}
1274		1854
1275	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1276	# all maps in C++...	1856	# all maps in C++...
1277	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1279		1859
1280	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1282	}	1862	}
1283		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1284	sub unlink_save {	1872	sub unlink_save {
1285	my ($self) = @_;	1873	my ($self) = @_;
1286		1874
1287	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1879
1292	sub load_header_from($) {	1880	sub load_header_from($) {
1293	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1294		1882
1295	utf8::encode $path;	1883	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1297	or return;	1885	or return;
1298		1886
1299	$self->_load_header ($path)	1887	$self->_load_header ($f)
1300	or return;	1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1301		1892
1302	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1303		1894
1304	1	1895	1
1305	}	1896	}
…		…
1344	$self->load_header_orig	1935	$self->load_header_orig
1345	or return;	1936	or return;
1346	$self->prepare_orig;	1937	$self->prepare_orig;
1347	}	1938	}
1348		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1349	1	1946	1
1350	}	1947	}
1351		1948
1352	sub find;	1949	sub find;
1353	sub find {	1950	sub find {
1354	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1355		1952
1356	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1357		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1359		1957
1360	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";	1959	my $guard1 = cf::lock_acquire "map_find:$path";
		1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1961
1362	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1363	or return;	1963	or return;
1364		1964
1365	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1366		1966
1367	$map->load_header	1967	$map->load_header
1368	or return;	1968	or return;
1369		1969
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard1;
		1974	undef $guard2;
1373	$map->reset;	1975	$map->reset;
1374	undef $guard;
1375	return find $path;	1976	return find $path;
1376	}	1977	}
1377		1978
1378	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1379	}	1980	}
…		…
1386	my ($self) = @_;	1987	my ($self) = @_;
1387		1988
1388	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1389		1990
1390	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1392		1995
		1996	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		1998
1395	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1396		2000
1397	$self->alloc;	2001	$self->alloc;
1398		2002
1399	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1400		2005
1401	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1402	or return;	2009	or return;
1403		2010
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};	2012	if delete $self->{load_original};
1406		2013
1407	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2015	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2018	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1412	}	2022	}
1413	}	2023	}
1414		2024
1415	Coro::cede;	2025	$f->resolve_delayed_derefs;
1416		2026
		2027	cf::cede_to_tick;
1417	# now do the right thing for maps	2028	# now do the right thing for maps
1418	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1419
1420	unless ($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)	2030	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2031	unless $self->difficulty;
1428	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1429	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2048	}
1431		2049
1432	$self->post_load;	2050	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2051	}
1436		2052
1437	sub customise_for {	2053	sub customise_for {
1438	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1439		2055
1440	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2057	if $self->per_player;
1442		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1443	$self	2062	$self
1444	}	2063	}
1445		2064
1446	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	2066	sub load_neighbours {
1448	my ($map) = @_;	2067	my ($map) = @_;
1449		2068
1450	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1451		2070
1452	for (0 .. 3) {	2071	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1454	or next;	2073	or next;
1455	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1456	or next;	2075	or next;
1457	$neigh->load;	2076	$neigh->load;
1458		2077
		2078	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2081	}
1462		2082
1463	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1465	or next;	2086	or next;
1466	$neigh->load;	2087	$neigh->load;
1467	}	2088	}
1468	}	2089	}
1469		2090
…		…
1474	}	2095	}
1475		2096
1476	sub do_load_sync {	2097	sub do_load_sync {
1477	my ($map) = @_;	2098	my ($map) = @_;
1478		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1479	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1480	}	2104	}
1481		2105
1482	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1484		2108
1485	sub find_async {	2109	sub find_async {
1486	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1487		2111
1488	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1489		2113
1490	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492	}	2116	}
1493		2117
1494	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1495	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1496	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2125	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2126	$map->load if $v;
		2127	}
1501		2128
1502	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1503	}	2130	}
1504	}	2131	}
1505	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1506	};	2133	};
1507	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2137	}
1511		2138
1512	sub save {	2139	sub save {
1513	my ($self) = @_;	2140	my ($self) = @_;
1514		2141
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2143
1517	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1518		2145
1519	return unless $self->dirty;	2146	return unless $self->dirty;
1520		2147
…		…
1526	return if $self->{deny_save};	2153	return if $self->{deny_save};
1527		2154
1528	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1529		2156
1530	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1532	};	2160	};
1533		2161
1534	if ($uniq) {	2162	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1543	my ($self) = @_;	2171	my ($self) = @_;
1544		2172
1545	# save first because save cedes	2173	# save first because save cedes
1546	$self->save;	2174	$self->save;
1547		2175
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2177
1550	return if $self->players;	2178	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2180	return if $self->{deny_save};
1553		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2186	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2187	}
1557		2188
1558	sub reset_at {	2189	sub reset_at {
1559	my ($self) = @_;	2190	my ($self) = @_;
1560		2191
1561	# TODO: safety, remove and allow resettable per-player maps	2192	# 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};	2193	return 1e99 if $self->{deny_reset};
1564		2194
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2197
…		…
1578	my ($self) = @_;	2208	my ($self) = @_;
1579		2209
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2211
1582	return if $self->players;	2212	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2213
1585	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
		2215
		2216	$self->in_memory (cf::MAP_SWAPPED);
		2217
		2218	# need to save uniques path
		2219	unless ($self->{deny_save}) {
		2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2221
		2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2223	if $uniq;
		2224	}
1586		2225
1587	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1588		2227
1589	$self->in_memory (cf::MAP_SWAPPED);	2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2230	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2231
1594	$self->unlink_save;	2232	$self->unlink_save;
1595	$self->destroy;	2233	$self->destroy;
1596	}	2234	}
1597		2235
1598	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1599		2237
1600	sub nuke {	2238	sub nuke {
1601	my ($self) = @_;	2239	my ($self) = @_;
1602		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1603	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1604		2245
1605	$self->unlink_save;	2246	$self->unlink_save;
1606		2247
1607	bless $self, "cf::map";	2248	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2253
1613	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1614		2256
1615	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1616	}	2294	}
1617		2295
1618	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1619		2297
1620	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2299	instantiated unique items. May block.
1622		2300
1623	=cut	2301	=cut
1624		2302
1625	sub unique_maps() {	2303	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1627	or return;	2305	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2306	utf8::decode $_;
1633	next if /\.pst$/;	2307	/\.map$/
1634	next unless /^$PATH_SEP/o;	2308	? normalise $_
1635		2309	: ()
1636	push @paths, cf::map::normalise $_;	2310	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2311	]
1638
1639	\@paths
1640	}	2312	}
1641		2313
1642	package cf;	2314	package cf;
1643		2315
1644	=back	2316	=back
…		…
1662	map { $_, inv_recursive_ $_->inv } @_	2334	map { $_, inv_recursive_ $_->inv } @_
1663	}	2335	}
1664		2336
1665	sub inv_recursive {	2337	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
		2339	}
		2340
		2341	=item $ref = $ob->ref
		2342
		2343	creates and returns a persistent reference to an objetc that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
1667	}	2367	}
1668		2368
1669	package cf;	2369	package cf;
1670		2370
1671	=back	2371	=back
…		…
1690		2390
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2391	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2392
1693	if ($self->{record_replies}) {	2393	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2394	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2395
1695	} else {	2396	} else {
		2397	my $pl = $self->contr;
		2398
		2399	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2400	my $dialog = $pl->{npc_dialog};
		2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2402
		2403	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2404	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2405	$self->message ($msg, $flags);
		2406	}
1698	}	2407	}
		2408	}
		2409
		2410	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2411
		2412	=cut
		2413
		2414	sub cf::object::send_msg {
		2415	my $pl = shift->contr
		2416	or return;
		2417	$pl->send_msg (@_);
1699	}	2418	}
1700		2419
1701	=item $player_object->may ("access")	2420	=item $player_object->may ("access")
1702		2421
1703	Returns wether the given player is authorized to access resource "access"	2422	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2469	$self->deactivate_recursive;
1751		2470
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2471	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2472
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2473	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2474	if $self->map && $self->map->{path} ne "{link}";
1756		2475
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2476	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2477	}
1759		2478
1760	sub cf::object::player::leave_link {	2479	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2480	my ($self, $map, $x, $y) = @_;
		2481
		2482	return unless $self->contr->active;
1762		2483
1763	my $link_pos = delete $self->{_link_pos};	2484	my $link_pos = delete $self->{_link_pos};
1764		2485
1765	unless ($map) {	2486	unless ($map) {
1766	# restore original map position	2487	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2501	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2502	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2503	if $x <=0 && $y <= 0;
1783		2504
1784	$map->load;	2505	$map->load;
1785	$map->load_diag;	2506	$map->load_neighbours;
1786		2507
1787	return unless $self->contr->active;	2508	return unless $self->contr->active;
1788	$self->activate_recursive;	2509	$self->activate_recursive;
		2510
		2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2512	$self->enter_map ($map, $x, $y);
1790	}	2513	}
1791		2514
1792	cf::player->attach (	2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2516
1796	# abort map switching before logout	2517	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2518	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2519	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2520	the new (success) or old (failed) map position. In either case, $done will
1800	};	2521	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2522
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	2523	=cut
		2524
		2525	our $GOTOGEN;
1827		2526
1828	sub cf::object::player::goto {	2527	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2528	my ($self, $path, $x, $y, $check, $done) = @_;
		2529
		2530	# do generation counting so two concurrent goto's will be executed in-order
		2531	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2532
1831	$self->enter_link;	2533	$self->enter_link;
1832		2534
1833	(async {	2535	(async {
		2536	$Coro::current->{desc} = "player::goto $path $x $y";
		2537
		2538	# *tag paths override both path and x|y
		2539	if ($path =~ /^\*(.*)$/) {
		2540	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2541	my $ob = $obs[rand @obs];
		2542
		2543	# see if we actually can go there
		2544	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2545	$ob = $obs[rand @obs];
		2546	} else {
		2547	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2548	}
		2549	# else put us there anyways for now #d#
		2550
		2551	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2552	} else {
		2553	($path, $x, $y) = (undef, undef, undef);
		2554	}
		2555	}
		2556
1834	my $map = eval {	2557	my $map = eval {
1835	my $map = cf::map::find $path;	2558	my $map = defined $path ? cf::map::find $path : undef;
		2559
		2560	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2561	$map = $map->customise_for ($self);
		2562	$map = $check->($map) if $check && $map;
		2563	} else {
		2564	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566
1837	$map	2567	$map
		2568	};
		2569
		2570	if ($@) {
		2571	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2573	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2574
		2575	if ($gen == $self->{_goto_generation}) {
		2576	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2577	$self->leave_link ($map, $x, $y);
		2578	}
		2579
		2580	$done->() if $done;
1842	})->prio (1);	2581	})->prio (1);
1843	}	2582	}
1844		2583
1845	=item $player_object->enter_exit ($exit_object)	2584	=item $player_object->enter_exit ($exit_object)
1846		2585
…		…
1885		2624
1886	$rmp->{random_seed} ||= $exit->random_seed;	2625	$rmp->{random_seed} ||= $exit->random_seed;
1887		2626
1888	my $data = cf::to_json $rmp;	2627	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2628	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2629	my $meta = "$RANDOMDIR/$md5.meta";
1891		2630
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2632	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2633	undef $fh;
1895	aio_rename "$meta~", $meta;	2634	aio_rename "$meta~", $meta;
…		…
1904		2643
1905	return unless $self->type == cf::PLAYER;	2644	return unless $self->type == cf::PLAYER;
1906		2645
1907	if ($exit->slaying eq "/!") {	2646	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2648	# the problem is that $exit might not survive long enough
		2649	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2650	cf::sync_job { prepare_random_map $exit };
1910	}	2651	}
1911		2652
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2654	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2655	my $sp = $exit->stats->sp;
1915		2656
1916	$self->enter_link;	2657	$self->enter_link;
1917		2658
		2659	# if exit is damned, update players death & WoR home-position
		2660	$self->contr->savebed ($slaying, $hp, $sp)
		2661	if $exit->flag (FLAG_DAMNED);
		2662
1918	(async {	2663	(async {
		2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2665
1919	$self->deactivate_recursive; # just to be sure	2666	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2667	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2668	$self->goto ($slaying, $hp, $sp);
1922		2669
1923	1;	2670	1;
1924	}) {	2671	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2672	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2673	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2674	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2675	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2676
1930	warn "ERROR in enter_exit: $@";	2677	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2678	$self->leave_link;
1932	}	2679	}
1933	})->prio (1);	2680	})->prio (1);
…		…
1946		2693
1947	sub cf::client::send_drawinfo {	2694	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2695	my ($self, $text, $flags) = @_;
1949		2696
1950	utf8::encode $text;	2697	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2699	}
1953		2700
		2701	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2702
		2703	Send a drawinfo or msg packet to the client, formatting the msg for the
		2704	client if neccessary. C<$type> should be a string identifying the type of
		2705	the message, with C<log> being the default. If C<$color> is negative, suppress
		2706	the message unless the client supports the msg packet.
		2707
		2708	=cut
		2709
		2710	# non-persistent channels (usually the info channel)
		2711	our %CHANNEL = (
		2712	"c/identify" => {
		2713	id => "infobox",
		2714	title => "Identify",
		2715	reply => undef,
		2716	tooltip => "Items recently identified",
		2717	},
		2718	"c/examine" => {
		2719	id => "infobox",
		2720	title => "Examine",
		2721	reply => undef,
		2722	tooltip => "Signs and other items you examined",
		2723	},
		2724	"c/book" => {
		2725	id => "infobox",
		2726	title => "Book",
		2727	reply => undef,
		2728	tooltip => "The contents of a note or book",
		2729	},
		2730	"c/lookat" => {
		2731	id => "infobox",
		2732	title => "Look",
		2733	reply => undef,
		2734	tooltip => "What you saw there",
		2735	},
		2736	"c/who" => {
		2737	id => "infobox",
		2738	title => "Players",
		2739	reply => undef,
		2740	tooltip => "Shows players who are currently online",
		2741	},
		2742	"c/body" => {
		2743	id => "infobox",
		2744	title => "Body Parts",
		2745	reply => undef,
		2746	tooltip => "Shows which body parts you posess and are available",
		2747	},
		2748	"c/uptime" => {
		2749	id => "infobox",
		2750	title => "Uptime",
		2751	reply => undef,
		2752	tooltip => "How long the server has been running since last restart",
		2753	},
		2754	"c/mapinfo" => {
		2755	id => "infobox",
		2756	title => "Map Info",
		2757	reply => undef,
		2758	tooltip => "Information related to the maps",
		2759	},
		2760	);
		2761
		2762	sub cf::client::send_msg {
		2763	my ($self, $channel, $msg, $color, @extra) = @_;
		2764
		2765	$msg = $self->pl->expand_cfpod ($msg);
		2766
		2767	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2768
		2769	# check predefined channels, for the benefit of C
		2770	if ($CHANNEL{$channel}) {
		2771	$channel = $CHANNEL{$channel};
		2772
		2773	$self->ext_msg (channel_info => $channel)
		2774	if $self->can_msg;
		2775
		2776	$channel = $channel->{id};
		2777
		2778	} elsif (ref $channel) {
		2779	# send meta info to client, if not yet sent
		2780	unless (exists $self->{channel}{$channel->{id}}) {
		2781	$self->{channel}{$channel->{id}} = $channel;
		2782	$self->ext_msg (channel_info => $channel)
		2783	if $self->can_msg;
		2784	}
		2785
		2786	$channel = $channel->{id};
		2787	}
		2788
		2789	return unless @extra || length $msg;
		2790
		2791	if ($self->can_msg) {
		2792	# default colour, mask it out
		2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2794	if $color & cf::NDI_DEF;
		2795
		2796	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2798	} else {
		2799	if ($color >= 0) {
		2800	# replace some tags by gcfclient-compatible ones
		2801	for ($msg) {
		2802	1 while
		2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2808	}
		2809
		2810	$color &= cf::NDI_COLOR_MASK;
		2811
		2812	utf8::encode $msg;
		2813
		2814	if (0 && $msg =~ /\[/) {
		2815	# COMMAND/INFO
		2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2817	} else {
		2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2819	$self->send_packet ("drawinfo $color $msg")
		2820	}
		2821	}
		2822	}
		2823	}
		2824
		2825	=item $client->ext_msg ($type, @msg)
		2826
		2827	Sends an ext event to the client.
		2828
		2829	=cut
		2830
		2831	sub cf::client::ext_msg($$@) {
		2832	my ($self, $type, @msg) = @_;
		2833
		2834	if ($self->extcmd == 2) {
		2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2836	} elsif ($self->extcmd == 1) { # TODO: remove
		2837	push @msg, msgtype => "event_$type";
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2839	}
		2840	}
		2841
		2842	=item $client->ext_reply ($msgid, @msg)
		2843
		2844	Sends an ext reply to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_reply($$@) {
		2849	my ($self, $id, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2853	} elsif ($self->extcmd == 1) {
		2854	#TODO: version 1, remove
		2855	unshift @msg, msgtype => "reply", msgid => $id;
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
1954		2859
1955	=item $success = $client->query ($flags, "text", \&cb)	2860	=item $success = $client->query ($flags, "text", \&cb)
1956		2861
1957	Queues a query to the client, calling the given callback with	2862	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>,	2863	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>.	2864	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2865
1961	Queries can fail, so check the return code. Or don't, as queries will become	2866	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2867	become reliable at some point in the future.
1963		2868
1964	=cut	2869	=cut
1965		2870
1966	sub cf::client::query {	2871	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2872	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2880	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2881	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2882
1978	$self->send_packet ($self->{query_queue}[0][0])	2883	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2884	if @{ $self->{query_queue} } == 1;
		2885
		2886	1
1980	}	2887	}
1981		2888
1982	cf::client->attach (	2889	cf::client->attach (
		2890	on_connect => sub {
		2891	my ($ns) = @_;
		2892
		2893	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2894	},
1983	on_reply => sub {	2895	on_reply => sub {
1984	my ($ns, $msg) = @_;	2896	my ($ns, $msg) = @_;
1985		2897
1986	# this weird shuffling is so that direct followup queries	2898	# this weird shuffling is so that direct followup queries
1987	# get handled first	2899	# get handled first
1988	my $queue = delete $ns->{query_queue}	2900	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2901	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2902
1991	(shift @$queue)->[1]->($msg);	2903	(shift @$queue)->[1]->($msg);
		2904	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2905
1993	push @{ $ns->{query_queue} }, @$queue;	2906	push @{ $ns->{query_queue} }, @$queue;
1994		2907
1995	if (@{ $ns->{query_queue} } == @$queue) {	2908	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2909	if (@$queue) {
…		…
1998	} else {	2911	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2912	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2913	}
2001	}	2914	}
2002	},	2915	},
		2916	on_exticmd => sub {
		2917	my ($ns, $buf) = @_;
		2918
		2919	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2920
		2921	if (ref $msg) {
		2922	my ($type, $reply, @payload) =
		2923	"ARRAY" eq ref $msg
		2924	? @$msg
		2925	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2926
		2927	my @reply;
		2928
		2929	if (my $cb = $EXTICMD{$type}) {
		2930	@reply = $cb->($ns, @payload);
		2931	}
		2932
		2933	$ns->ext_reply ($reply, @reply)
		2934	if $reply;
		2935
		2936	} else {
		2937	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2938	}
		2939
		2940	cf::override;
		2941	},
2003	);	2942	);
2004		2943
2005	=item $client->async (\&cb)	2944	=item $client->async (\&cb)
2006		2945
2007	Create a new coroutine, running the specified callback. The coroutine will	2946	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	2987	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	2988	our $safe_hole = new Safe::Hole;
2050		2989
2051	$SIG{FPE} = 'IGNORE';	2990	$SIG{FPE} = 'IGNORE';
2052		2991
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2992	$safe->permit_only (Opcode::opset qw(
		2993	:base_core :base_mem :base_orig :base_math
		2994	grepstart grepwhile mapstart mapwhile
		2995	sort time
		2996	));
2054		2997
2055	# here we export the classes and methods available to script code	2998	# here we export the classes and methods available to script code
2056		2999
2057	=pod	3000	=pod
2058		3001
2059	The following fucntions and emthods are available within a safe environment:	3002	The following functions and methods are available within a safe environment:
2060		3003
2061	cf::object contr pay_amount pay_player map	3004	cf::object
		3005	contr pay_amount pay_player map x y force_find force_add destroy
		3006	insert remove name archname title slaying race decrease_ob_nr
		3007
2062	cf::object::player player	3008	cf::object::player
2063	cf::player peaceful	3009	player
2064	cf::map trigger	3010
		3011	cf::player
		3012	peaceful
		3013
		3014	cf::map
		3015	trigger
2065		3016
2066	=cut	3017	=cut
2067		3018
2068	for (	3019	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3021	insert remove inv name archname title slaying race
		3022	decrease_ob_nr destroy)],
2070	["cf::object::player" => qw(player)],	3023	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3024	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	3025	["cf::map" => qw(trigger)],
2073	) {	3026	) {
2074	no strict 'refs';	3027	no strict 'refs';
…		…
2145	=back	3098	=back
2146		3099
2147	=cut	3100	=cut
2148		3101
2149	#############################################################################	3102	#############################################################################
		3103	# the server's init and main functions
2150		3104
2151	=head2 EXTENSION DATABASE SUPPORT	3105	sub load_facedata($) {
		3106	my ($path) = @_;
2152		3107
2153	Crossfire maintains a very simple database for extension use. It can	3108	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3109	# for this (global event?)
2155	excludes objects.	3110	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3111
2157	The parameter C<$family> should best start with the name of the extension	3112	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3113
2160	=over 4	3114	warn "loading facedata from $path\n";
2161		3115
2162	=item $hashref = cf::db_get $family	3116	my $facedata;
		3117	0 < aio_load $path, $facedata
		3118	or die "$path: $!";
2163		3119
2164	Return a hashref for use by the extension C<$family>, which can be	3120	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3121
2168	=item $value = cf::db_get $family => $key	3122	$facedata->{version} == 2
		3123	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3124
2170	Returns a single value from the database	3125	# patch in the exptable
2171		3126	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3127	type => FT_RSRC,
2173		3128	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	}	3129	};
		3130	cf::cede_to_tick;
2200		3131
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	}	3132	{
		3133	my $faces = $facedata->{faceinfo};
2212		3134
2213	my $dirty;	3135	while (my ($face, $info) = each %$faces) {
		3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3137	cf::face::set_visibility $idx, $info->{visibility};
		3138	cf::face::set_magicmap $idx, $info->{magicmap};
		3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214		3141
2215	sub db_sync() {	3142	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	},	3143	}
2254	);
2255	}
2256		3144
2257	#############################################################################	3145	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3146	next unless $info->{smooth};
		3147	my $idx = cf::face::find $face
		3148	or next;
		3149	if (my $smooth = cf::face::find $info->{smooth}) {
		3150	cf::face::set_smooth $idx, $smooth;
		3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3152	} else {
		3153	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3154	}
2259		3155
2260	sub cfg_load {	3156	cf::cede_to_tick;
		3157	}
		3158	}
		3159
		3160	{
		3161	my $anims = $facedata->{animinfo};
		3162
		3163	while (my ($anim, $info) = each %$anims) {
		3164	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3165	cf::cede_to_tick;
		3166	}
		3167
		3168	cf::anim::invalidate_all; # d'oh
		3169	}
		3170
		3171	{
		3172	# TODO: for gcfclient pleasure, we should give resources
		3173	# that gcfclient doesn't grok a >10000 face index.
		3174	my $res = $facedata->{resource};
		3175
		3176	my $soundconf = delete $res->{"res/sound.conf"};
		3177
		3178	while (my ($name, $info) = each %$res) {
		3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3180	my $data;
		3181
		3182	if ($info->{type} & 1) {
		3183	# prepend meta info
		3184
		3185	my $meta = $enc->encode ({
		3186	name => $name,
		3187	%{ $info->{meta} || {} },
		3188	});
		3189
		3190	$data = pack "(w/a*)*", $meta, $info->{data};
		3191	} else {
		3192	$data = $info->{data};
		3193	}
		3194
		3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3196	cf::face::set_type $idx, $info->{type};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	if ($soundconf) {
		3202	$soundconf = $enc->decode (delete $soundconf->{data});
		3203
		3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3205	my $sound = $soundconf->{compat}[$_]
		3206	or next;
		3207
		3208	my $face = cf::face::find "sound/$sound->[1]";
		3209	cf::sound::set $sound->[0] => $face;
		3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3211	}
		3212
		3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3214	my $face = cf::face::find "sound/$v";
		3215	cf::sound::set $k => $face;
		3216	}
		3217	}
		3218	}
		3219
		3220	1
		3221	}
		3222
		3223	register_exticmd fx_want => sub {
		3224	my ($ns, $want) = @_;
		3225
		3226	while (my ($k, $v) = each %$want) {
		3227	$ns->fx_want ($k, $v);
		3228	}
		3229	};
		3230
		3231	sub reload_regions {
		3232	# HACK to clear player env face cache, we need some signal framework
		3233	# for this (global event?)
		3234	%ext::player_env::MUSIC_FACE_CACHE = ();
		3235
		3236	load_resource_file "$MAPDIR/regions"
		3237	or die "unable to load regions file\n";
		3238
		3239	for (cf::region::list) {
		3240	$_->{match} = qr/$_->{match}/
		3241	if exists $_->{match};
		3242	}
		3243	}
		3244
		3245	sub reload_facedata {
		3246	load_facedata "$DATADIR/facedata"
		3247	or die "unable to load facedata\n";
		3248	}
		3249
		3250	sub reload_archetypes {
		3251	load_resource_file "$DATADIR/archetypes"
		3252	or die "unable to load archetypes\n";
		3253	#d# NEED to laod twice to resolve forward references
		3254	# this really needs to be done in an extra post-pass
		3255	# (which needs to be synchronous, so solve it differently)
		3256	load_resource_file "$DATADIR/archetypes"
		3257	or die "unable to load archetypes\n";
		3258	}
		3259
		3260	sub reload_treasures {
		3261	load_resource_file "$DATADIR/treasures"
		3262	or die "unable to load treasurelists\n";
		3263	}
		3264
		3265	sub reload_resources {
		3266	warn "reloading resource files...\n";
		3267
		3268	reload_regions;
		3269	reload_facedata;
		3270	#reload_archetypes;#d#
		3271	reload_archetypes;
		3272	reload_treasures;
		3273
		3274	warn "finished reloading resource files\n";
		3275	}
		3276
		3277	sub init {
		3278	reload_resources;
		3279	}
		3280
		3281	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3282	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3283	or return;
2263		3284
2264	local $/;	3285	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3286	*CFG = YAML::Syck::Load <$fh>;
2266		3287
…		…
2281	sub main {	3302	sub main {
2282	# we must not ever block the main coroutine	3303	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3304	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3306	(async {
		3307	$Coro::current->{desc} = "IDLE BUG HANDLER";
2286	Event::one_event;	3308	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	3309	})->prio (Coro::PRIO_MAX);
2288	};	3310	};
2289		3311
2290	cfg_load;	3312	reload_config;
2291	db_load;	3313	db_init;
2292	load_extensions;	3314	load_extensions;
2293		3315
2294	$TICK_WATCHER->start;	3316	$TICK_WATCHER->start;
2295	Event::loop;	3317	Event::loop;
2296	}	3318	}
…		…
2311	},	3333	},
2312	);	3334	);
2313	}	3335	}
2314	}	3336	}
2315		3337
		3338	sub write_runtime {
		3339	my $runtime = "$LOCALDIR/runtime";
		3340
		3341	# first touch the runtime file to show we are still running:
		3342	# the fsync below can take a very very long time.
		3343
		3344	IO::AIO::aio_utime $runtime, undef, undef;
		3345
		3346	my $guard = cf::lock_acquire "write_runtime";
		3347
		3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3349	or return;
		3350
		3351	my $value = $cf::RUNTIME + 90 + 10;
		3352	# 10 is the runtime save interval, for a monotonic clock
		3353	# 60 allows for the watchdog to kill the server.
		3354
		3355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3356	and return;
		3357
		3358	# always fsync - this file is important
		3359	aio_fsync $fh
		3360	and return;
		3361
		3362	# touch it again to show we are up-to-date
		3363	aio_utime $fh, undef, undef;
		3364
		3365	close $fh
		3366	or return;
		3367
		3368	aio_rename "$runtime~", $runtime
		3369	and return;
		3370
		3371	warn "runtime file written.\n";
		3372
		3373	1
		3374	}
		3375
2316	sub emergency_save() {	3376	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3377	my $freeze_guard = cf::freeze_mainloop;
2318		3378
2319	warn "enter emergency perl save\n";	3379	warn "enter emergency perl save\n";
2320		3380
…		…
2324	# and maps saved/destroyed asynchronously.	3384	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3385	warn "begin emergency player save\n";
2326	for my $login (keys %cf::PLAYER) {	3386	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3387	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3388	$pl->valid or next;
		3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3390	$pl->save;
2330	}	3391	}
2331	warn "end emergency player save\n";	3392	warn "end emergency player save\n";
2332		3393
2333	warn "begin emergency map save\n";	3394	warn "begin emergency map save\n";
…		…
2335	my $map = $cf::MAP{$path} or next;	3396	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3397	$map->valid or next;
2337	$map->save;	3398	$map->save;
2338	}	3399	}
2339	warn "end emergency map save\n";	3400	warn "end emergency map save\n";
		3401
		3402	warn "begin emergency database checkpoint\n";
		3403	BDB::db_env_txn_checkpoint $DB_ENV;
		3404	warn "end emergency database checkpoint\n";
2340	};	3405	};
2341		3406
2342	warn "leave emergency perl save\n";	3407	warn "leave emergency perl save\n";
2343	}	3408	}
2344		3409
		3410	sub post_cleanup {
		3411	my ($make_core) = @_;
		3412
		3413	warn Carp::longmess "post_cleanup backtrace"
		3414	if $make_core;
		3415	}
		3416
2345	sub reload() {	3417	sub do_reload_perl() {
2346	# can/must only be called in main	3418	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3419	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3420	warn "can only reload from main coroutine";
2349	return;	3421	return;
2350	}	3422	}
2351		3423
2352	warn "reloading...";	3424	warn "reloading...";
2353		3425
2354	warn "cancelling server ticker";	3426	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3427
		3428	cf::sync_job {
		3429	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	3430	cf::emergency_save;
		3431	cf::write_runtime; # external watchdog should not bark
2358		3432
2359	eval {	3433	warn "syncing database to disk";
		3434	BDB::db_env_txn_checkpoint $DB_ENV;
		3435
2360	# if anything goes wrong in here, we should simply crash as we already saved	3436	# 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		3437
2365	warn "cancelling all WF_AUTOCANCEL watchers";	3438	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	3439	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3440	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3441	}
2369		3442
2370	warn "flushing outstanding aio requests";	3443	warn "flushing outstanding aio requests";
2371	for (;;) {	3444	for (;;) {
		3445	BDB::flush;
2372	IO::AIO::flush;	3446	IO::AIO::flush;
2373	Coro::cede;	3447	Coro::cede_notself;
2374	last unless IO::AIO::nreqs;	3448	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3449	warn "iterate...";
2376	}	3450	}
		3451
		3452	++$RELOAD;
2377		3453
2378	warn "cancelling all extension coros";	3454	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3455	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3456	%EXT_CORO = ();
2381		3457
2382	warn "removing commands";	3458	warn "removing commands";
2383	%COMMAND = ();	3459	%COMMAND = ();
2384		3460
2385	warn "removing ext commands";	3461	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3462	%EXTCMD = ();
		3463	%EXTICMD = ();
2387		3464
2388	warn "unloading/nuking all extensions";	3465	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3466	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3467	warn "... unloading $pkg";
2391		3468
…		…
2421	Symbol::delete_package "safe::$_"	3498	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3500
2424	warn "unloading cf.pm \"a bit\"";	3501	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3502	delete $INC{"cf.pm"};
		3503	delete $INC{"cf/pod.pm"};
2426		3504
2427	# don't, removes xs symbols, too,	3505	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3506	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3507	#Symbol::delete_package __PACKAGE__;
2430		3508
…		…
2433	warn "reloading cf.pm";	3511	warn "reloading cf.pm";
2434	require cf;	3512	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3514
2437	warn "loading config and database again";	3515	warn "loading config and database again";
2438	cf::cfg_load;	3516	cf::reload_config;
2439	cf::db_load;
2440		3517
2441	warn "loading extensions";	3518	warn "loading extensions";
2442	cf::load_extensions;	3519	cf::load_extensions;
2443		3520
2444	warn "reattaching attachments to objects/players";	3521	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3522	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3523	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3524	reattach $_ for values %MAP;
		3525	warn "reattaching attachments to players";
		3526	reattach $_ for values %PLAYER;
2448		3527
2449	warn "restarting server ticker";	3528	warn "leaving sync_job";
2450		3529
2451	$TICK_WATCHER->start;	3530	1
2452	};	3531	} or do {
2453
2454	if ($@) {
2455	warn $@;	3532	warn $@;
2456	warn "error while reloading, exiting.";	3533	warn "error while reloading, exiting.";
2457	exit 1;	3534	exit 1;
2458	}	3535	};
2459		3536
2460	warn "reloaded";	3537	warn "reloaded";
2461	};	3538	};
2462		3539
2463	our $RELOAD_WATCHER; # used only during reload	3540	our $RELOAD_WATCHER; # used only during reload
2464		3541
		3542	sub reload_perl() {
		3543	# doing reload synchronously and two reloads happen back-to-back,
		3544	# coro crashes during coro_state_free->destroy here.
		3545
		3546	$RELOAD_WATCHER ||= Event->timer (
		3547	reentrant => 0,
		3548	after => 0,
		3549	data => WF_AUTOCANCEL,
		3550	cb => sub {
		3551	do_reload_perl;
		3552	undef $RELOAD_WATCHER;
		3553	},
		3554	);
		3555	}
		3556
2465	register_command "reload" => sub {	3557	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3558	my ($who, $arg) = @_;
2467		3559
2468	if ($who->flag (FLAG_WIZ)) {	3560	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3561	$who->message ("reloading server.");
2470		3562	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3563	$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;	3564	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3565	};
2483	}	3566	}
2484	};	3567	};
2485		3568
2486	unshift @INC, $LIBDIR;	3569	unshift @INC, $LIBDIR;
2487		3570
2488	my $bug_warning = 0;	3571	my $bug_warning = 0;
		3572
		3573	our @WAIT_FOR_TICK;
		3574	our @WAIT_FOR_TICK_BEGIN;
		3575
		3576	sub wait_for_tick {
		3577	return unless $TICK_WATCHER->is_active;
		3578	return if $Coro::current == $Coro::main;
		3579
		3580	my $signal = new Coro::Signal;
		3581	push @WAIT_FOR_TICK, $signal;
		3582	$signal->wait;
		3583	}
		3584
		3585	sub wait_for_tick_begin {
		3586	return unless $TICK_WATCHER->is_active;
		3587	return if $Coro::current == $Coro::main;
		3588
		3589	my $signal = new Coro::Signal;
		3590	push @WAIT_FOR_TICK_BEGIN, $signal;
		3591	$signal->wait;
		3592	}
2489		3593
2490	$TICK_WATCHER = Event->timer (	3594	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3595	reentrant => 0,
2492	parked => 1,	3596	parked => 1,
2493	prio => 0,	3597	prio => 0,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3603	unless ++$bug_warning > 10;
2500	return;	3604	return;
2501	}	3605	}
2502		3606
2503	$NOW = Event::time;	3607	$NOW = $tick_start = Event::time;
2504		3608
2505	cf::server_tick; # one server iteration	3609	cf::server_tick; # one server iteration
		3610
2506	$RUNTIME += $TICK;	3611	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3612	$NEXT_TICK += $TICK;
2508		3613
2509	$WAIT_FOR_TICK->broadcast;	3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3615	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3616	Coro::async_pool {
2512	Event::sweep;	3617	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;	3618	write_runtime
		3619	or warn "ERROR: unable to write runtime file: $!";
		3620	};
2514		3621	}
2515	# my $AFTER = Event::time;	3622
2516	# warn $AFTER - $NOW;#d#	3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3624	$sig->send;
		3625	}
		3626	while (my $sig = shift @WAIT_FOR_TICK) {
		3627	$sig->send;
		3628	}
		3629
		3630	$NOW = Event::time;
2517		3631
2518	# if we are delayed by four ticks or more, skip them all	3632	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3634
2521	$TICK_WATCHER->at ($NEXT_TICK);	3635	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3636	$TICK_WATCHER->start;
		3637
		3638	$LOAD = ($NOW - $tick_start) / $TICK;
		3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3640
		3641	_post_tick;
2523	},	3642	},
2524	);	3643	);
2525		3644
		3645	{
		3646	BDB::min_parallel 8;
		3647	BDB::max_poll_time $TICK * 0.1;
		3648	$BDB_POLL_WATCHER = Event->io (
		3649	reentrant => 0,
		3650	fd => BDB::poll_fileno,
		3651	poll => 'r',
		3652	prio => 0,
		3653	data => WF_AUTOCANCEL,
		3654	cb => \&BDB::poll_cb,
		3655	);
		3656
		3657	BDB::set_sync_prepare {
		3658	my $status;
		3659	my $current = $Coro::current;
		3660	(
		3661	sub {
		3662	$status = $!;
		3663	$current->ready; undef $current;
		3664	},
		3665	sub {
		3666	Coro::schedule while defined $current;
		3667	$! = $status;
		3668	},
		3669	)
		3670	};
		3671
		3672	unless ($DB_ENV) {
		3673	$DB_ENV = BDB::db_env_create;
		3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3675	| BDB::LOG_AUTOREMOVE, 1);
		3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3678
		3679	cf::sync_job {
		3680	eval {
		3681	BDB::db_env_open
		3682	$DB_ENV,
		3683	$BDBDIR,
		3684	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3685	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3686	0666;
		3687
		3688	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3689	};
		3690
		3691	cf::cleanup "db_env_open(db): $@" if $@;
		3692	};
		3693	}
		3694
		3695	$BDB_DEADLOCK_WATCHER = Event->timer (
		3696	after => 3,
		3697	interval => 1,
		3698	hard => 1,
		3699	prio => 0,
		3700	data => WF_AUTOCANCEL,
		3701	cb => sub {
		3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3703	},
		3704	);
		3705	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3706	after => 11,
		3707	interval => 60,
		3708	hard => 1,
		3709	prio => 0,
		3710	data => WF_AUTOCANCEL,
		3711	cb => sub {
		3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3713	},
		3714	);
		3715	$BDB_TRICKLE_WATCHER = Event->timer (
		3716	after => 5,
		3717	interval => 10,
		3718	hard => 1,
		3719	prio => 0,
		3720	data => WF_AUTOCANCEL,
		3721	cb => sub {
		3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3723	},
		3724	);
		3725	}
		3726
		3727	{
		3728	IO::AIO::min_parallel 8;
		3729
		3730	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3731	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3732	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3733	reentrant => 0,
		3734	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3735	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3736	poll => 'r',
2533	prio => 6,	3737	prio => 0,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3738	cb => \&IO::AIO::poll_cb,
2536	);	3739	);
		3740	}
2537		3741
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3742	my $_log_backtrace;
2539	reentrant => 0,	3743
2540	data => WF_AUTOCANCEL,	3744	sub _log_backtrace {
2541	after => 1,	3745	my ($msg, @addr) = @_;
2542	interval => 10,	3746
2543	prio => 6, # keep it lowest so it acts like a watchdog	3747	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3748
2545	write_runtime	3749	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3750	if ($_log_backtrace < 2) {
		3751	++$_log_backtrace;
		3752	async {
		3753	$Coro::current->{desc} = "abt $msg";
		3754
		3755	my @bt = fork_call {
		3756	@addr = map { sprintf "%x", $_ } @addr;
		3757	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3758	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3759	or die "addr2line: $!";
		3760
		3761	my @funcs;
		3762	my @res = <$fh>;
		3763	chomp for @res;
		3764	while (@res) {
		3765	my ($func, $line) = splice @res, 0, 2, ();
		3766	push @funcs, "[$func] $line";
		3767	}
		3768
		3769	@funcs
		3770	};
		3771
		3772	LOG llevInfo, "[ABT] $msg\n";
		3773	LOG llevInfo, "[ABT] $_\n" for @bt;
		3774	--$_log_backtrace;
		3775	};
		3776	} else {
		3777	LOG llevInfo, "[ABT] $msg\n";
		3778	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3779	}
2548	);	3780	}
		3781
		3782	# load additional modules
		3783	use cf::pod;
2549		3784
2550	END { cf::emergency_save }	3785	END { cf::emergency_save }
2551		3786
2552	1	3787	1
2553		3788

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