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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.385 by root, Fri Oct 12 19:13:26 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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	88	our $DB_ENV;
61		89
62	our %CFG;	90	our %CFG;
63		91
64	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	93	our $RUNTIME;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	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
113	every server tick.	136	every server tick.
114		137
115	=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
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	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.
127		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	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
136	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
137	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.
138	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.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		206
163	# 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
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$Event::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$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;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	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
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($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#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
271	}	323	}
272		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
276	my $guard = Coro::guard {	334	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	336	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
282	$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;
283	}	397	}
284		398
285	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
286		400
287	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		406
293	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
294		408
295	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
296		410
297	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)
298	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
299	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.
300		415
301	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
302	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
303	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
304	fast or be very important.	419	fast or be very important.
…		…
307		422
308	sub sync_job(&) {	423	sub sync_job(&) {
309	my ($job) = @_;	424	my ($job) = @_;
310		425
311	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
312	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
314		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
315	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	435	# (but this is cancel-safe)
317	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
318		437
319	my $busy = 1;	438	my $busy = 1;
320	my @res;	439	my @res;
321		440
322	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	443	@res = eval { $job->() };
324	warn $@ if $@;	444	warn $@ if $@;
325	undef $busy;	445	undef $busy;
326	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
327		447
328	while ($busy) {	448	while ($busy) {
329	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
330	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
331		458
332	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
333	} else {	460	} else {
334	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
335		462
…		…
355	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
356		483
357	$coro	484	$coro
358	}	485	}
359		486
360	sub write_runtime {	487	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		488
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
364	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
365		493
366	my $value = $cf::RUNTIME + 90 + 10;	494	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		495
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	496	sub fork_call(&@) {
371	and return;	497	my ($cb, @args) = @_;
372		498
373	# always fsync - this file is important	499	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	500	# otherwise perl prematurely frees the stuff :/
375	and return;	501	# TODO: investigate and fix (likely this will be rather laborious)
376		502
377	close $fh	503	my @res = Coro::Util::fork_eval {
378	or return;	504	reset_signals;
		505	&$cb
		506	}, @args;
379		507
380	aio_rename "$runtime~", $runtime	508	wantarray ? @res : $res[-1]
381	and return;	509	}
382		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
383	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	647	}
385		648
386	=back	649	=back
387		650
388	=cut	651	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
397		660
398	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	663	Crossfire TRT).
401		664
402	=over 4	665	=over 4
403		666
404	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
405		668
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
569		832
570	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		837
575	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	839	my $pkg = shift @arg;
577		840
578	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
608	}	871	}
609		872
610	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
611	} else {	874	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	876	}
614		877
615	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
616	}	879	}
617		880
…		…
619	if (ref $_[0]) {	882	if (ref $_[0]) {
620	_object_attach @_;	883	_object_attach @_;
621	} else {	884	} else {
622	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
623	}	886	}
		887	_recalc_want;
624	};	888	};
625		889
626	# all those should be optimised	890	# all those should be optimised
627	sub cf::attachable::detach {	891	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
632	reattach ($obj);	896	reattach ($obj);
633	} else {	897	} else {
634	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
635	}	899	}
		900	_recalc_want;
636	};	901	};
637		902
638	sub cf::attachable::attached {	903	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
640		905
…		…
655	";	920	";
656	die if $@;	921	die if $@;
657	}	922	}
658		923
659	our $override;	924	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		926
662	sub override {	927	sub override {
663	$override = 1;	928	$override = 1;
664	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
665	}	930	}
666		931
667	sub do_invoke {	932	sub do_invoke {
668	my $event = shift;	933	my $event = shift;
669	my $callbacks = shift;	934	my $callbacks = shift;
670		935
671	@invoke_results = ();	936	@INVOKE_RESULTS = ();
672		937
673	local $override;	938	local $override;
674		939
675	for (@$callbacks) {	940	for (@$callbacks) {
676	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
693		958
694	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
695		960
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		964
700	=back	965	=back
701		966
702	=cut	967	=cut
703		968
704	#############################################################################	969	#############################################################################
705	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	return 1;#d#
		977
		978	#todo#d# kill yourself and do some recursive checking manually without storable
		979	sync_job {
		980	my $guard = Coro::Storable::guard;
		981	local $Storable::canonical = 1;
		982	my $fob1 = Storable::freeze $ob1;
		983	my $fob2 = Storable::freeze $ob2;
		984	$fob1 eq $fob2
		985	}
		986	}
706		987
707	sub reattach {	988	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	989	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	990	my ($obj) = @_;
710		991
…		…
757	sub object_freezer_save {	1038	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1039	my ($filename, $rdata, $objs) = @_;
759		1040
760	sync_job {	1041	sync_job {
761	if (length $$rdata) {	1042	if (length $$rdata) {
		1043	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1044	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1045	$decname, length $$rdata, scalar @$objs;
764		1046
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1050	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1051	close $fh;
770		1052
771	if (@$objs) {	1053	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1055	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1057	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1058	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1059	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1060	aio_rename "$filename.pst~", "$filename.pst";
779	}	1061	}
…		…
787	}	1069	}
788	} else {	1070	} else {
789	aio_unlink $filename;	1071	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1072	aio_unlink "$filename.pst";
791	}	1073	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1074	};
799	}	1075	}
800		1076
801	sub object_freezer_as_string {	1077	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1078	my ($rdata, $objs) = @_;
803		1079
…		…
808		1084
809	sub object_thawer_load {	1085	sub object_thawer_load {
810	my ($filename) = @_;	1086	my ($filename) = @_;
811		1087
812	my ($data, $av);	1088	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1089
817	(aio_load $filename, $data) >= 0	1090	(aio_load $filename, $data) >= 0
818	or return;	1091	or return;
819		1092
820	unless (aio_stat "$filename.pst") {	1093	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1094	(aio_load "$filename.pst", $av) >= 0
822	or return;	1095	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };
824	}
825		1096
		1097	my $st = eval { Coro::Storable::thaw $av }
		1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1099	$av = $st->{objs};
		1100	}
		1101
		1102	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1103	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1104	$decname, length $data, scalar @{$av || []};
		1105
828	return ($data, $av);	1106	($data, $av)
829	}	1107	}
		1108
		1109	=head2 COMMAND CALLBACKS
		1110
		1111	=over 4
		1112
		1113	=cut
830		1114
831	#############################################################################	1115	#############################################################################
832	# command handling &c	1116	# command handling &c
833		1117
834	=item cf::register_command $name => \&callback($ob,$args);	1118	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1131	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1132	}
849		1133
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1134	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1135
852	Register a callbackf ro execution when the client sends an extcmd packet.	1136	Register a callback for execution when the client sends an (synchronous)
		1137	extcmd packet. Ext commands will be processed in the order they are
		1138	received by the server, like other user commands. The first argument is
		1139	the logged-in player. Ext commands can only be processed after a player
		1140	has logged in successfully.
853		1141
854	If the callback returns something, it is sent back as if reply was being	1142	If the callback returns something, it is sent back as if reply was being
855	called.	1143	called.
856		1144
		1145	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1146
		1147	Register a callback for execution when the client sends an (asynchronous)
		1148	exticmd packet. Exti commands are processed by the server as soon as they
		1149	are received, i.e. out of order w.r.t. other commands. The first argument
		1150	is a client socket. Exti commands can be received anytime, even before
		1151	log-in.
		1152
		1153	If the callback returns something, it is sent back as if reply was being
		1154	called.
		1155
857	=cut	1156	=cut
858		1157
859	sub register_extcmd {	1158	sub register_extcmd {
860	my ($name, $cb) = @_;	1159	my ($name, $cb) = @_;
861		1160
862	$EXTCMD{$name} = $cb;	1161	$EXTCMD{$name} = $cb;
		1162	}
		1163
		1164	sub register_exticmd {
		1165	my ($name, $cb) = @_;
		1166
		1167	$EXTICMD{$name} = $cb;
863	}	1168	}
864		1169
865	cf::player->attach (	1170	cf::player->attach (
866	on_command => sub {	1171	on_command => sub {
867	my ($pl, $name, $params) = @_;	1172	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1181	cf::override;
877	},	1182	},
878	on_extcmd => sub {	1183	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1184	my ($pl, $buf) = @_;
880		1185
881	my $msg = eval { from_json $buf };	1186	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1187
883	if (ref $msg) {	1188	if (ref $msg) {
		1189	my ($type, $reply, @payload) =
		1190	"ARRAY" eq ref $msg
		1191	? @$msg
		1192	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1193
		1194	my @reply;
		1195
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1196	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1197	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1198	}
		1199
		1200	$pl->ext_reply ($reply, @reply)
		1201	if $reply;
		1202
889	} else {	1203	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1204	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1205	}
892		1206
893	cf::override;	1207	cf::override;
894	},	1208	},
895	);	1209	);
896		1210
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1211	sub load_extensions {
		1212	cf::sync_job {
		1213	my %todo;
		1214
932	for my $ext (<$LIBDIR/*.ext>) {	1215	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1216	next unless -r $path;
934	eval {	1217
935	load_extension $ext;	1218	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1219	my $base = $1;
		1220	my $pkg = $1;
		1221	$pkg =~ s/[^[:word:]]/_/g;
		1222	$pkg = "ext::$pkg";
		1223
		1224	open my $fh, "<:utf8", $path
		1225	or die "$path: $!";
		1226
		1227	my $source = do { local $/; <$fh> };
		1228
		1229	my %ext = (
		1230	path => $path,
		1231	base => $base,
		1232	pkg => $pkg,
		1233	);
		1234
		1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1237
		1238	$ext{source} =
		1239	"package $pkg; use strict; use utf8;\n"
		1240	. "#line 1 \"$path\"\n{\n"
		1241	. $source
		1242	. "\n};\n1";
		1243
		1244	$todo{$base} = \%ext;
		1245	}
		1246
		1247	my %done;
		1248	while (%todo) {
		1249	my $progress;
		1250
		1251	while (my ($k, $v) = each %todo) {
		1252	for (split /,\s*/, $v->{meta}{depends}) {
		1253	goto skip
		1254	unless exists $done{$_};
		1255	}
		1256
		1257	warn "... loading '$k' into '$v->{pkg}'\n";
		1258
		1259	unless (eval $v->{source}) {
		1260	my $msg = $@ ? "$v->{path}: $@\n"
		1261	: "$v->{base}: extension inactive.\n";
		1262
		1263	if (exists $v->{meta}{mandatory}) {
		1264	warn $msg;
		1265	warn "mandatory extension failed to load, exiting.\n";
		1266	exit 1;
		1267	}
		1268
		1269	warn $msg;
		1270	}
		1271
		1272	$done{$k} = delete $todo{$k};
		1273	push @EXTS, $v->{pkg};
		1274	$progress = 1;
936	1	1275	}
937	} or warn "$ext not loaded: $@";	1276
		1277	skip:
		1278	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1279	unless $progress;
		1280	}
938	}	1281	};
939	}	1282	}
940		1283
941	#############################################################################	1284	#############################################################################
942		1285
		1286	=back
		1287
943	=head2 CORE EXTENSIONS	1288	=head2 CORE EXTENSIONS
944		1289
945	Functions and methods that extend core crossfire objects.	1290	Functions and methods that extend core crossfire objects.
946		1291
947	=cut	1292	=cut
…		…
952		1297
953	=head3 cf::player	1298	=head3 cf::player
954		1299
955	=over 4	1300	=over 4
956		1301
		1302	=item cf::player::num_playing
		1303
		1304	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1305
		1306	=cut
		1307
		1308	sub num_playing {
		1309	scalar grep
		1310	$_->ob->map
		1311	&& !$_->hidden
		1312	&& !$_->ob->flag (cf::FLAG_WIZ),
		1313	cf::player::list
		1314	}
		1315
957	=item cf::player::find $login	1316	=item cf::player::find $login
958		1317
959	Returns the given player object, loading it if necessary (might block).	1318	Returns the given player object, loading it if necessary (might block).
960		1319
961	=cut	1320	=cut
962		1321
963	sub playerdir($) {	1322	sub playerdir($) {
964	cf::localdir	1323	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1324	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1325	}
970		1326
971	sub path($) {	1327	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1328	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1329
974	(playerdir $login) . "/$login.pl"	1330	(playerdir $login) . "/playerdata"
975	}	1331	}
976		1332
977	sub find_active($) {	1333	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1334	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1335	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1348	my $login = $_[0];
993		1349
994	my $guard = cf::lock_acquire "user_find:$login";	1350	my $guard = cf::lock_acquire "user_find:$login";
995		1351
996	$cf::PLAYER{$_[0]} || do {	1352	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1353	# rename old playerfiles to new ones
		1354	#TODO: remove when no longer required
		1355	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1356	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1357	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1358	aio_unlink +(playerdir $login) . "/$login.pl";
		1359
		1360	my $f = new_from_file cf::object::thawer path $login
998	or return;	1361	or return;
		1362
		1363	my $pl = cf::player::load_pl $f
		1364	or return;
		1365	local $cf::PLAYER_LOADING{$login} = $pl;
		1366	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1367	$cf::PLAYER{$login} = $pl
1000	}	1368	}
1001	}	1369	}
1002	}	1370	}
1003		1371
…		…
1013		1381
1014	aio_mkdir playerdir $pl, 0770;	1382	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1383	$pl->{last_save} = $cf::RUNTIME;
1016		1384
1017	$pl->save_pl ($path);	1385	$pl->save_pl ($path);
1018	Coro::cede;	1386	cf::cede_to_tick;
1019	}	1387	}
1020		1388
1021	sub new($) {	1389	sub new($) {
1022	my ($login) = @_;	1390	my ($login) = @_;
1023		1391
…		…
1029	$cf::PLAYER{$login} = $self;	1397	$cf::PLAYER{$login} = $self;
1030		1398
1031	$self	1399	$self
1032	}	1400	}
1033		1401
		1402	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1403
		1404	=cut
		1405
		1406	sub send_msg {
		1407	my $ns = shift->ns
		1408	or return;
		1409	$ns->send_msg (@_);
		1410	}
		1411
1034	=item $pl->quit_character	1412	=item $pl->quit_character
1035		1413
1036	Nukes the player without looking back. If logged in, the connection will	1414	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1415	be destroyed. May block for a long time.
1038		1416
1039	=cut	1417	=cut
1040		1418
1041	sub quit_character {	1419	sub quit_character {
1042	my ($pl) = @_;	1420	my ($pl) = @_;
		1421
		1422	my $name = $pl->ob->name;
1043		1423
1044	$pl->{deny_save} = 1;	1424	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1425	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1426
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1427	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1432	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1433	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1434	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1435	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1436	$pl->destroy;
		1437
		1438	my $prefix = qr<^~\Q$name\E/>;
		1439
		1440	# nuke player maps
		1441	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1442
1057	IO::AIO::aio_rmtree $temp;	1443	IO::AIO::aio_rmtree $temp;
		1444	}
		1445
		1446	=item $pl->kick
		1447
		1448	Kicks a player out of the game. This destroys the connection.
		1449
		1450	=cut
		1451
		1452	sub kick {
		1453	my ($pl, $kicker) = @_;
		1454
		1455	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1456	$pl->killer ("kicked");
		1457	$pl->ns->destroy;
1058	}	1458	}
1059		1459
1060	=item cf::player::list_logins	1460	=item cf::player::list_logins
1061		1461
1062	Returns am arrayref of all valid playernames in the system, can take a	1462	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1463	while and may block, so not sync_job-capable, ever.
1064		1464
1065	=cut	1465	=cut
1066		1466
1067	sub list_logins {	1467	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1468	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1469	or return [];
1070		1470
1071	my @logins;	1471	my @logins;
1072		1472
1073	for my $login (@$dirs) {	1473	for my $login (@$dirs) {
		1474	my $path = path $login;
		1475
		1476	# a .pst is a dead give-away for a valid player
		1477	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1479	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1480	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1481	}
1077		1482
1078	utf8::decode $login;	1483	utf8::decode $login;
1079	push @logins, $login;	1484	push @logins, $login;
1080	}	1485	}
1081		1486
…		…
1108	}	1513	}
1109		1514
1110	\@paths	1515	\@paths
1111	}	1516	}
1112		1517
		1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1519
		1520	Expand crossfire pod fragments into protocol xml.
		1521
		1522	=cut
		1523
		1524	sub expand_cfpod {
		1525	((my $self), (local $_)) = @_;
		1526
		1527	# escape & and <
		1528	s/&/&amp;/g;
		1529	s/(?<![BIUGHT])</&lt;/g;
		1530
		1531	# this is buggy, it needs to properly take care of nested <'s
		1532
		1533	1 while
		1534	# replace B<>, I<>, U<> etc.
		1535	s/B<([^\>]*)>/<b>$1<\/b>/
		1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1539	# replace G<male|female> tags
		1540	|| s{G<([^>|]*)\|([^>]*)>}{
		1541	$self->gender ? $2 : $1
		1542	}ge
		1543	# replace H<hint text>
		1544	|| s{H<([^\>]*)>}
		1545	{
		1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1548	"")
		1549	[$self->{hintmode}]
		1550	}ge;
		1551
		1552	# create single paragraphs (very hackish)
		1553	s/(?<=\S)\n(?=\w)/ /g;
		1554
		1555	# compress some whitespace
		1556	s/\s+\n/\n/g; # ws line-ends
		1557	s/\n\n+/\n/g; # double lines
		1558	s/^\n+//; # beginning lines
		1559	s/\n+$//; # ending lines
		1560
		1561	$_
		1562	}
		1563
		1564	sub hintmode {
		1565	$_[0]{hintmode} = $_[1] if @_ > 1;
		1566	$_[0]{hintmode}
		1567	}
		1568
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1569	=item $player->ext_reply ($msgid, @msg)
1114		1570
1115	Sends an ext reply to the player.	1571	Sends an ext reply to the player.
1116		1572
1117	=cut	1573	=cut
1118		1574
1119	sub ext_reply($$$%) {	1575	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1576	my ($self, $id, @msg) = @_;
1121		1577
1122	$msg{msgid} = $id;	1578	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1579	}
1126		1580
1127	package cf;	1581	=item $player->ext_msg ($type, @msg)
		1582
		1583	Sends an ext event to the client.
		1584
		1585	=cut
		1586
		1587	sub ext_msg($$@) {
		1588	my ($self, $type, @msg) = @_;
		1589
		1590	$self->ns->ext_msg ($type, @msg);
		1591	}
		1592
		1593	=head3 cf::region
		1594
		1595	=over 4
		1596
		1597	=cut
		1598
		1599	package cf::region;
		1600
		1601	=item cf::region::find_by_path $path
		1602
		1603	Tries to decuce the likely region for a map knowing only its path.
		1604
		1605	=cut
		1606
		1607	sub find_by_path($) {
		1608	my ($path) = @_;
		1609
		1610	my ($match, $specificity);
		1611
		1612	for my $region (list) {
		1613	if ($region->{match} && $path =~ $region->{match}) {
		1614	($match, $specificity) = ($region, $region->specificity)
		1615	if $region->specificity > $specificity;
		1616	}
		1617	}
		1618
		1619	$match
		1620	}
1128		1621
1129	=back	1622	=back
1130
1131		1623
1132	=head3 cf::map	1624	=head3 cf::map
1133		1625
1134	=over 4	1626	=over 4
1135		1627
…		…
1190	my ($self, $merge) = @_;	1682	my ($self, $merge) = @_;
1191		1683
1192	# we have to keep some variables in memory intact	1684	# we have to keep some variables in memory intact
1193	local $self->{path};	1685	local $self->{path};
1194	local $self->{load_path};	1686	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1687
1198	$self->SUPER::thawer_merge ($merge);	1688	$self->SUPER::thawer_merge ($merge);
1199	}	1689	}
1200		1690
1201	sub normalise {	1691	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1738	$self->init; # pass $1 etc.
1249	return $self;	1739	return $self;
1250	}	1740	}
1251	}	1741	}
1252		1742
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1743	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1744	()
1255	}	1745	}
1256		1746
1257	sub init {	1747	sub init {
1258	my ($self) = @_;	1748	my ($self) = @_;
…		…
1273		1763
1274	# the original (read-only) location	1764	# the original (read-only) location
1275	sub load_path {	1765	sub load_path {
1276	my ($self) = @_;	1766	my ($self) = @_;
1277		1767
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1768	"$MAPDIR/$self->{path}.map"
1279	}	1769	}
1280		1770
1281	# the temporary/swap location	1771	# the temporary/swap location
1282	sub save_path {	1772	sub save_path {
1283	my ($self) = @_;	1773	my ($self) = @_;
1284		1774
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1775	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1776	"$TMPDIR/$path.map"
1287	}	1777	}
1288		1778
1289	# the unique path, undef == no special unique path	1779	# the unique path, undef == no special unique path
1290	sub uniq_path {	1780	sub uniq_path {
1291	my ($self) = @_;	1781	my ($self) = @_;
1292		1782
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1783	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1784	"$UNIQUEDIR/$path"
1295	}	1785	}
1296		1786
1297	# and all this just because we cannot iterate over	1787	# and all this just because we cannot iterate over
1298	# all maps in C++...	1788	# all maps in C++...
1299	sub change_all_map_light {	1789	sub change_all_map_light {
…		…
1301		1791
1302	$_->change_map_light ($change)	1792	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1793	for grep $_->outdoor, values %cf::MAP;
1304	}	1794	}
1305		1795
		1796	sub decay_objects {
		1797	my ($self) = @_;
		1798
		1799	return if $self->{deny_reset};
		1800
		1801	$self->do_decay_objects;
		1802	}
		1803
1306	sub unlink_save {	1804	sub unlink_save {
1307	my ($self) = @_;	1805	my ($self) = @_;
1308		1806
1309	utf8::encode (my $save = $self->save_path);	1807	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1808	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1809	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1810	}
1318		1811
1319	sub load_header_from($) {	1812	sub load_header_from($) {
1320	my ($self, $path) = @_;	1813	my ($self, $path) = @_;
1321		1814
1322	utf8::encode $path;	1815	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1816	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1817	or return;
		1818
		1819	$self->_load_header ($f)
		1820	or return;
		1821
		1822	local $MAP_LOADING{$self->{path}} = $self;
		1823	$f->resolve_delayed_derefs;
1328		1824
1329	$self->{load_path} = $path;	1825	$self->{load_path} = $path;
1330		1826
1331	1	1827	1
1332	}	1828	}
…		…
1371	$self->load_header_orig	1867	$self->load_header_orig
1372	or return;	1868	or return;
1373	$self->prepare_orig;	1869	$self->prepare_orig;
1374	}	1870	}
1375		1871
		1872	$self->{deny_reset} = 1
		1873	if $self->no_reset;
		1874
		1875	$self->default_region (cf::region::find_by_path $self->{path})
		1876	unless $self->default_region;
		1877
1376	1	1878	1
1377	}	1879	}
1378		1880
1379	sub find;	1881	sub find;
1380	sub find {	1882	sub find {
1381	my ($path, $origin) = @_;	1883	my ($path, $origin) = @_;
1382		1884
1383	$path = normalise $path, $origin && $origin->path;	1885	$path = normalise $path, $origin && $origin->path;
1384		1886
		1887	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1888	cf::lock_wait "map_find:$path";
1386		1889
1387	$cf::MAP{$path} || do {	1890	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1891	my $guard1 = cf::lock_acquire "map_find:$path";
		1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1893
1389	my $map = new_from_path cf::map $path	1894	my $map = new_from_path cf::map $path
1390	or return;	1895	or return;
1391		1896
1392	$map->{last_save} = $cf::RUNTIME;	1897	$map->{last_save} = $cf::RUNTIME;
1393		1898
1394	$map->load_header	1899	$map->load_header
1395	or return;	1900	or return;
1396		1901
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1903	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1904	#$cf::WAIT_FOR_TICK->wait;
		1905	undef $guard1;
		1906	undef $guard2;
1400	$map->reset;	1907	$map->reset;
1401	undef $guard;
1402	return find $path;	1908	return find $path;
1403	}	1909	}
1404		1910
1405	$cf::MAP{$path} = $map	1911	$cf::MAP{$path} = $map
1406	}	1912	}
…		…
1413	my ($self) = @_;	1919	my ($self) = @_;
1414		1920
1415	local $self->{deny_reset} = 1; # loading can take a long time	1921	local $self->{deny_reset} = 1; # loading can take a long time
1416		1922
1417	my $path = $self->{path};	1923	my $path = $self->{path};
		1924
		1925	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1926	my $guard = cf::lock_acquire "map_data:$path";
1419		1927
		1928	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1929	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1930
1422	$self->in_memory (cf::MAP_LOADING);	1931	$self->in_memory (cf::MAP_LOADING);
1423		1932
1424	$self->alloc;	1933	$self->alloc;
1425		1934
1426	$self->pre_load;	1935	$self->pre_load;
		1936	cf::cede_to_tick;
1427		1937
1428	$self->_load_objects ($self->{load_path}, 1)	1938	my $f = new_from_file cf::object::thawer $self->{load_path};
		1939	$f->skip_block;
		1940	$self->_load_objects ($f)
1429	or return;	1941	or return;
1430		1942
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1944	if delete $self->{load_original};
1433		1945
1434	if (my $uniq = $self->uniq_path) {	1946	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1947	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1948	unless (aio_stat $uniq) {
		1949	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1950	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1951	$self->_load_objects ($f);
		1952	$f->resolve_delayed_derefs;
		1953	}
1439	}	1954	}
1440	}	1955	}
1441		1956
1442	Coro::cede;	1957	$f->resolve_delayed_derefs;
1443		1958
		1959	cf::cede_to_tick;
1444	# now do the right thing for maps	1960	# now do the right thing for maps
1445	$self->link_multipart_objects;	1961	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1962	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1963	unless $self->difficulty;
1455	Coro::cede;	1964	cf::cede_to_tick;
		1965
		1966	unless ($self->{deny_activate}) {
		1967	$self->decay_objects;
		1968	$self->fix_auto_apply;
		1969	$self->update_buttons;
		1970	cf::cede_to_tick;
		1971	$self->set_darkness_map;
		1972	cf::cede_to_tick;
1456	$self->activate;	1973	$self->activate;
		1974	}
		1975
		1976	$self->{last_save} = $cf::RUNTIME;
		1977	$self->last_access ($cf::RUNTIME);
		1978
		1979	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1980	}
1458		1981
1459	$self->post_load;	1982	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1983	}
1463		1984
1464	sub customise_for {	1985	sub customise_for {
1465	my ($self, $ob) = @_;	1986	my ($self, $ob) = @_;
1466		1987
1467	return find "~" . $ob->name . "/" . $self->{path}	1988	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1989	if $self->per_player;
1469		1990
		1991	# return find "?party/" . $ob->name . "/" . $self->{path}
		1992	# if $self->per_party;
		1993
1470	$self	1994	$self
1471	}	1995	}
1472		1996
1473	# find and load all maps in the 3x3 area around a map	1997	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1998	sub load_neighbours {
1475	my ($map) = @_;	1999	my ($map) = @_;
1476		2000
1477	my @diag; # diagonal neighbours	2001	my @neigh; # diagonal neighbours
1478		2002
1479	for (0 .. 3) {	2003	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2004	my $neigh = $map->tile_path ($_)
1481	or next;	2005	or next;
1482	$neigh = find $neigh, $map	2006	$neigh = find $neigh, $map
1483	or next;	2007	or next;
1484	$neigh->load;	2008	$neigh->load;
1485		2009
		2010	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2011	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2012	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2013	}
1489		2014
1490	for (@diag) {	2015	for (grep defined $_->[0], @neigh) {
		2016	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2017	my $neigh = find $path, $origin
1492	or next;	2018	or next;
1493	$neigh->load;	2019	$neigh->load;
1494	}	2020	}
1495	}	2021	}
1496		2022
…		…
1501	}	2027	}
1502		2028
1503	sub do_load_sync {	2029	sub do_load_sync {
1504	my ($map) = @_;	2030	my ($map) = @_;
1505		2031
		2032	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2033	if $Coro::current == $Coro::main;
		2034
1506	cf::sync_job { $map->load };	2035	cf::sync_job { $map->load };
1507	}	2036	}
1508		2037
1509	our %MAP_PREFETCH;	2038	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2039	our $MAP_PREFETCHER = undef;
1511		2040
1512	sub find_async {	2041	sub find_async {
1513	my ($path, $origin) = @_;	2042	my ($path, $origin, $load) = @_;
1514		2043
1515	$path = normalise $path, $origin && $origin->{path};	2044	$path = normalise $path, $origin && $origin->{path};
1516		2045
1517	if (my $map = $cf::MAP{$path}) {	2046	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2048	}
1520		2049
1521	undef $MAP_PREFETCH{$path};	2050	$MAP_PREFETCH{$path} |= $load;
		2051
1522	$MAP_PREFETCHER ||= cf::async {	2052	$MAP_PREFETCHER ||= cf::async {
		2053	$Coro::current->{desc} = "map prefetcher";
		2054
1523	while (%MAP_PREFETCH) {	2055	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2056	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2057	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2058	$map->load if $v;
		2059	}
1528		2060
1529	delete $MAP_PREFETCH{$path};	2061	delete $MAP_PREFETCH{$k};
1530	}	2062	}
1531	}	2063	}
1532	undef $MAP_PREFETCHER;	2064	undef $MAP_PREFETCHER;
1533	};	2065	};
1534	$MAP_PREFETCHER->prio (6);	2066	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2069	}
1538		2070
1539	sub save {	2071	sub save {
1540	my ($self) = @_;	2072	my ($self) = @_;
1541		2073
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2074	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2075
1544	$self->{last_save} = $cf::RUNTIME;	2076	$self->{last_save} = $cf::RUNTIME;
1545		2077
1546	return unless $self->dirty;	2078	return unless $self->dirty;
1547		2079
…		…
1553	return if $self->{deny_save};	2085	return if $self->{deny_save};
1554		2086
1555	local $self->{last_access} = $self->last_access;#d#	2087	local $self->{last_access} = $self->last_access;#d#
1556		2088
1557	cf::async {	2089	cf::async {
		2090	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2091	$_->contr->save for $self->players;
1559	};	2092	};
1560		2093
1561	if ($uniq) {	2094	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2103	my ($self) = @_;
1571		2104
1572	# save first because save cedes	2105	# save first because save cedes
1573	$self->save;	2106	$self->save;
1574		2107
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2108	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2109
1577	return if $self->players;	2110	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2111	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2112	return if $self->{deny_save};
1580		2113
		2114	$self->in_memory (cf::MAP_SWAPPED);
		2115
		2116	$self->deactivate;
		2117	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2118	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2119	}
1584		2120
1585	sub reset_at {	2121	sub reset_at {
1586	my ($self) = @_;	2122	my ($self) = @_;
1587		2123
1588	# TODO: safety, remove and allow resettable per-player maps	2124	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2125	return 1e99 if $self->{deny_reset};
1591		2126
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2127	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2128	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2129
…		…
1605	my ($self) = @_;	2140	my ($self) = @_;
1606		2141
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2143
1609	return if $self->players;	2144	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2145
1612	warn "resetting map ", $self->path;#d#	2146	warn "resetting map ", $self->path;
1613		2147
1614	$self->in_memory (cf::MAP_SWAPPED);	2148	$self->in_memory (cf::MAP_SWAPPED);
1615		2149
1616	# need to save uniques path	2150	# need to save uniques path
1617	unless ($self->{deny_save}) {	2151	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2155	if $uniq;
1622	}	2156	}
1623		2157
1624	delete $cf::MAP{$self->path};	2158	delete $cf::MAP{$self->path};
1625		2159
		2160	$self->deactivate;
		2161	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2162	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2163
1630	$self->unlink_save;	2164	$self->unlink_save;
1631	$self->destroy;	2165	$self->destroy;
1632	}	2166	}
1633		2167
1634	my $nuke_counter = "aaaa";	2168	my $nuke_counter = "aaaa";
1635		2169
1636	sub nuke {	2170	sub nuke {
1637	my ($self) = @_;	2171	my ($self) = @_;
1638		2172
		2173	{
		2174	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2175
1639	delete $cf::MAP{$self->path};	2176	delete $cf::MAP{$self->path};
1640		2177
1641	$self->unlink_save;	2178	$self->unlink_save;
1642		2179
1643	bless $self, "cf::map";	2180	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2181	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2182	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2183	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2184	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2185
1649	$cf::MAP{$self->path} = $self;	2186	$cf::MAP{$self->path} = $self;
		2187	}
1650		2188
1651	$self->reset; # polite request, might not happen	2189	$self->reset; # polite request, might not happen
		2190	}
		2191
		2192	=item $maps = cf::map::tmp_maps
		2193
		2194	Returns an arrayref with all map paths of currently instantiated and saved
		2195	maps. May block.
		2196
		2197	=cut
		2198
		2199	sub tmp_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $TMPDIR or [] }
		2207	]
		2208	}
		2209
		2210	=item $maps = cf::map::random_maps
		2211
		2212	Returns an arrayref with all map paths of currently instantiated and saved
		2213	random maps. May block.
		2214
		2215	=cut
		2216
		2217	sub random_maps() {
		2218	[
		2219	map {
		2220	utf8::decode $_;
		2221	/\.map$/
		2222	? normalise "?random/$_"
		2223	: ()
		2224	} @{ aio_readdir $RANDOMDIR or [] }
		2225	]
1652	}	2226	}
1653		2227
1654	=item cf::map::unique_maps	2228	=item cf::map::unique_maps
1655		2229
1656	Returns an arrayref of paths of all shared maps that have	2230	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2231	instantiated unique items. May block.
1658		2232
1659	=cut	2233	=cut
1660		2234
1661	sub unique_maps() {	2235	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2236	[
1663	or return;	2237	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2238	utf8::decode $_;
1669	next if /\.pst$/;	2239	/\.map$/
1670	next unless /^$PATH_SEP/o;	2240	? normalise $_
1671		2241	: ()
1672	push @paths, cf::map::normalise $_;	2242	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2243	]
1674
1675	\@paths
1676	}	2244	}
1677		2245
1678	package cf;	2246	package cf;
1679		2247
1680	=back	2248	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2266	map { $_, inv_recursive_ $_->inv } @_
1699	}	2267	}
1700		2268
1701	sub inv_recursive {	2269	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2270	inv_recursive_ inv $_[0]
		2271	}
		2272
		2273	=item $ref = $ob->ref
		2274
		2275	creates and returns a persistent reference to an objetc that can be stored as a string.
		2276
		2277	=item $ob = cf::object::deref ($refstring)
		2278
		2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2280	even if the object actually exists. May block.
		2281
		2282	=cut
		2283
		2284	sub deref {
		2285	my ($ref) = @_;
		2286
		2287	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2288	my ($uuid, $name) = ($1, $2);
		2289	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2290	or return;
		2291	$pl->ob->uuid eq $uuid
		2292	or return;
		2293
		2294	$pl->ob
		2295	} else {
		2296	warn "$ref: cannot resolve object reference\n";
		2297	undef
		2298	}
1703	}	2299	}
1704		2300
1705	package cf;	2301	package cf;
1706		2302
1707	=back	2303	=back
…		…
1726		2322
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2323	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2324
1729	if ($self->{record_replies}) {	2325	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2326	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2327
1731	} else {	2328	} else {
		2329	my $pl = $self->contr;
		2330
		2331	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2332	my $dialog = $pl->{npc_dialog};
		2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2334
		2335	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2336	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2337	$self->message ($msg, $flags);
		2338	}
1734	}	2339	}
		2340	}
		2341
		2342	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2343
		2344	=cut
		2345
		2346	sub cf::object::send_msg {
		2347	my $pl = shift->contr
		2348	or return;
		2349	$pl->send_msg (@_);
1735	}	2350	}
1736		2351
1737	=item $player_object->may ("access")	2352	=item $player_object->may ("access")
1738		2353
1739	Returns wether the given player is authorized to access resource "access"	2354	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2401	$self->deactivate_recursive;
1787		2402
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2403	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2404
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2405	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2406	if $self->map && $self->map->{path} ne "{link}";
1792		2407
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2408	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2409	}
1795		2410
1796	sub cf::object::player::leave_link {	2411	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2412	my ($self, $map, $x, $y) = @_;
		2413
		2414	return unless $self->contr->active;
1798		2415
1799	my $link_pos = delete $self->{_link_pos};	2416	my $link_pos = delete $self->{_link_pos};
1800		2417
1801	unless ($map) {	2418	unless ($map) {
1802	# restore original map position	2419	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2433	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2434	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2435	if $x <=0 && $y <= 0;
1819		2436
1820	$map->load;	2437	$map->load;
1821	$map->load_diag;	2438	$map->load_neighbours;
1822		2439
1823	return unless $self->contr->active;	2440	return unless $self->contr->active;
1824	$self->activate_recursive;	2441	$self->activate_recursive;
		2442
		2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2444	$self->enter_map ($map, $x, $y);
1826	}	2445	}
1827		2446
1828	cf::player->attach (	2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2448
1832	# abort map switching before logout	2449	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2450	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2451	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2452	the new (success) or old (failed) map position. In either case, $done will
1836	};	2453	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2454
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2455	=cut
		2456
		2457	our $GOTOGEN;
1863		2458
1864	sub cf::object::player::goto {	2459	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2460	my ($self, $path, $x, $y, $check, $done) = @_;
		2461
		2462	# do generation counting so two concurrent goto's will be executed in-order
		2463	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2464
1867	$self->enter_link;	2465	$self->enter_link;
1868		2466
1869	(async {	2467	(async {
		2468	$Coro::current->{desc} = "player::goto $path $x $y";
		2469
		2470	# *tag paths override both path and x|y
		2471	if ($path =~ /^\*(.*)$/) {
		2472	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2473	my $ob = $obs[rand @obs];
		2474
		2475	# see if we actually can go there
		2476	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2477	$ob = $obs[rand @obs];
		2478	} else {
		2479	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2480	}
		2481	# else put us there anyways for now #d#
		2482
		2483	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2484	} else {
		2485	($path, $x, $y) = (undef, undef, undef);
		2486	}
		2487	}
		2488
1870	my $map = eval {	2489	my $map = eval {
1871	my $map = cf::map::find $path;	2490	my $map = defined $path ? cf::map::find $path : undef;
		2491
		2492	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2493	$map = $map->customise_for ($self);
		2494	$map = $check->($map) if $check && $map;
		2495	} else {
		2496	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	}
		2498
1873	$map	2499	$map
		2500	};
		2501
		2502	if ($@) {
		2503	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2504	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2505	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2506
		2507	if ($gen == $self->{_goto_generation}) {
		2508	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2509	$self->leave_link ($map, $x, $y);
		2510	}
		2511
		2512	$done->() if $done;
1878	})->prio (1);	2513	})->prio (1);
1879	}	2514	}
1880		2515
1881	=item $player_object->enter_exit ($exit_object)	2516	=item $player_object->enter_exit ($exit_object)
1882		2517
…		…
1921		2556
1922	$rmp->{random_seed} ||= $exit->random_seed;	2557	$rmp->{random_seed} ||= $exit->random_seed;
1923		2558
1924	my $data = cf::to_json $rmp;	2559	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2560	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2561	my $meta = "$RANDOMDIR/$md5.meta";
1927		2562
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2563	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2564	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2565	undef $fh;
1931	aio_rename "$meta~", $meta;	2566	aio_rename "$meta~", $meta;
…		…
1940		2575
1941	return unless $self->type == cf::PLAYER;	2576	return unless $self->type == cf::PLAYER;
1942		2577
1943	if ($exit->slaying eq "/!") {	2578	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2579	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2580	# the problem is that $exit might not survive long enough
		2581	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2582	cf::sync_job { prepare_random_map $exit };
1946	}	2583	}
1947		2584
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2585	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2586	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2587	my $sp = $exit->stats->sp;
1951		2588
1952	$self->enter_link;	2589	$self->enter_link;
1953		2590
		2591	# if exit is damned, update players death & WoR home-position
		2592	$self->contr->savebed ($slaying, $hp, $sp)
		2593	if $exit->flag (FLAG_DAMNED);
		2594
1954	(async {	2595	(async {
		2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2597
1955	$self->deactivate_recursive; # just to be sure	2598	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2599	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2600	$self->goto ($slaying, $hp, $sp);
1958		2601
1959	1;	2602	1;
1960	}) {	2603	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2604	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2605	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2606	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2607	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2608
1966	warn "ERROR in enter_exit: $@";	2609	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2610	$self->leave_link;
1968	}	2611	}
1969	})->prio (1);	2612	})->prio (1);
…		…
1982		2625
1983	sub cf::client::send_drawinfo {	2626	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2627	my ($self, $text, $flags) = @_;
1985		2628
1986	utf8::encode $text;	2629	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2630	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2631	}
1989		2632
		2633	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2634
		2635	Send a drawinfo or msg packet to the client, formatting the msg for the
		2636	client if neccessary. C<$type> should be a string identifying the type of
		2637	the message, with C<log> being the default. If C<$color> is negative, suppress
		2638	the message unless the client supports the msg packet.
		2639
		2640	=cut
		2641
		2642	our %CHANNEL = (
		2643	"c/identify" => {
		2644	id => "infobox",
		2645	title => "Identify",
		2646	reply => undef,
		2647	tooltip => "Items recently identified",
		2648	},
		2649	"c/examine" => {
		2650	id => "infobox",
		2651	title => "Examine",
		2652	reply => undef,
		2653	tooltip => "Signs and other items you examined",
		2654	},
		2655	"c/lookat" => {
		2656	id => "infobox",
		2657	title => "Look",
		2658	reply => undef,
		2659	tooltip => "What you saw there",
		2660	},
		2661	);
		2662
		2663	sub cf::client::send_msg {
		2664	my ($self, $channel, $msg, $color, @extra) = @_;
		2665
		2666	$msg = $self->pl->expand_cfpod ($msg);
		2667
		2668	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2669
		2670	# check predefined channels, for the benefit of C
		2671	if ($CHANNEL{$channel}) {
		2672	$channel = $CHANNEL{$channel};
		2673
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676
		2677	$channel = $channel->{id};
		2678
		2679	} elsif (ref $channel) {
		2680	# send meta info to client, if not yet sent
		2681	unless (exists $self->{channel}{$channel->{id}}) {
		2682	$self->{channel}{$channel->{id}} = $channel;
		2683	$self->ext_msg (channel_info => $channel)
		2684	if $self->can_msg;
		2685	}
		2686
		2687	$channel = $channel->{id};
		2688	}
		2689
		2690	return unless @extra || length $msg;
		2691
		2692	if ($self->can_msg) {
		2693	# default colour, mask it out
		2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2695	if $color & cf::NDI_DEF;
		2696
		2697	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2699	} else {
		2700	if ($color >= 0) {
		2701	# replace some tags by gcfclient-compatible ones
		2702	for ($msg) {
		2703	1 while
		2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2709	}
		2710
		2711	$color &= cf::NDI_COLOR_MASK;
		2712
		2713	utf8::encode $msg;
		2714
		2715	if (0 && $msg =~ /\[/) {
		2716	# COMMAND/INFO
		2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2718	} else {
		2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2720	$self->send_packet ("drawinfo $color $msg")
		2721	}
		2722	}
		2723	}
		2724	}
		2725
		2726	=item $client->ext_msg ($type, @msg)
		2727
		2728	Sends an ext event to the client.
		2729
		2730	=cut
		2731
		2732	sub cf::client::ext_msg($$@) {
		2733	my ($self, $type, @msg) = @_;
		2734
		2735	if ($self->extcmd == 2) {
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2737	} elsif ($self->extcmd == 1) { # TODO: remove
		2738	push @msg, msgtype => "event_$type";
		2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
		2742
		2743	=item $client->ext_reply ($msgid, @msg)
		2744
		2745	Sends an ext reply to the client.
		2746
		2747	=cut
		2748
		2749	sub cf::client::ext_reply($$@) {
		2750	my ($self, $id, @msg) = @_;
		2751
		2752	if ($self->extcmd == 2) {
		2753	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2754	} elsif ($self->extcmd == 1) {
		2755	#TODO: version 1, remove
		2756	unshift @msg, msgtype => "reply", msgid => $id;
		2757	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2758	}
		2759	}
1990		2760
1991	=item $success = $client->query ($flags, "text", \&cb)	2761	=item $success = $client->query ($flags, "text", \&cb)
1992		2762
1993	Queues a query to the client, calling the given callback with	2763	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2764	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2765	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2766
1997	Queries can fail, so check the return code. Or don't, as queries will become	2767	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2768	become reliable at some point in the future.
1999		2769
2000	=cut	2770	=cut
2001		2771
2002	sub cf::client::query {	2772	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2773	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2781	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2782	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2783
2014	$self->send_packet ($self->{query_queue}[0][0])	2784	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2785	if @{ $self->{query_queue} } == 1;
		2786
		2787	1
2016	}	2788	}
2017		2789
2018	cf::client->attach (	2790	cf::client->attach (
		2791	on_connect => sub {
		2792	my ($ns) = @_;
		2793
		2794	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2795	},
2019	on_reply => sub {	2796	on_reply => sub {
2020	my ($ns, $msg) = @_;	2797	my ($ns, $msg) = @_;
2021		2798
2022	# this weird shuffling is so that direct followup queries	2799	# this weird shuffling is so that direct followup queries
2023	# get handled first	2800	# get handled first
…		…
2035	} else {	2812	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2813	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2814	}
2038	}	2815	}
2039	},	2816	},
		2817	on_exticmd => sub {
		2818	my ($ns, $buf) = @_;
		2819
		2820	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2821
		2822	if (ref $msg) {
		2823	my ($type, $reply, @payload) =
		2824	"ARRAY" eq ref $msg
		2825	? @$msg
		2826	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2827
		2828	my @reply;
		2829
		2830	if (my $cb = $EXTICMD{$type}) {
		2831	@reply = $cb->($ns, @payload);
		2832	}
		2833
		2834	$ns->ext_reply ($reply, @reply)
		2835	if $reply;
		2836
		2837	} else {
		2838	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2839	}
		2840
		2841	cf::override;
		2842	},
2040	);	2843	);
2041		2844
2042	=item $client->async (\&cb)	2845	=item $client->async (\&cb)
2043		2846
2044	Create a new coroutine, running the specified callback. The coroutine will	2847	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	2888	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	2889	our $safe_hole = new Safe::Hole;
2087		2890
2088	$SIG{FPE} = 'IGNORE';	2891	$SIG{FPE} = 'IGNORE';
2089		2892
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2893	$safe->permit_only (Opcode::opset qw(
		2894	:base_core :base_mem :base_orig :base_math
		2895	grepstart grepwhile mapstart mapwhile
		2896	sort time
		2897	));
2091		2898
2092	# here we export the classes and methods available to script code	2899	# here we export the classes and methods available to script code
2093		2900
2094	=pod	2901	=pod
2095		2902
2096	The following fucntions and emthods are available within a safe environment:	2903	The following functions and methods are available within a safe environment:
2097		2904
2098	cf::object contr pay_amount pay_player map	2905	cf::object
		2906	contr pay_amount pay_player map x y force_find force_add destroy
		2907	insert remove name archname title slaying race decrease_ob_nr
		2908
2099	cf::object::player player	2909	cf::object::player
2100	cf::player peaceful	2910	player
2101	cf::map trigger	2911
		2912	cf::player
		2913	peaceful
		2914
		2915	cf::map
		2916	trigger
2102		2917
2103	=cut	2918	=cut
2104		2919
2105	for (	2920	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2922	insert remove inv name archname title slaying race
		2923	decrease_ob_nr destroy)],
2107	["cf::object::player" => qw(player)],	2924	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2925	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2926	["cf::map" => qw(trigger)],
2110	) {	2927	) {
2111	no strict 'refs';	2928	no strict 'refs';
…		…
2182	=back	2999	=back
2183		3000
2184	=cut	3001	=cut
2185		3002
2186	#############################################################################	3003	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3004	# the server's init and main functions
2260		3005
2261	sub load_resources {	3006	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3007	my ($path) = @_;
		3008
		3009	# HACK to clear player env face cache, we need some signal framework
		3010	# for this (global event?)
		3011	%ext::player_env::MUSIC_FACE_CACHE = ();
		3012
		3013	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3014
		3015	warn "loading facedata from $path\n";
		3016
		3017	my $facedata;
		3018	0 < aio_load $path, $facedata
		3019	or die "$path: $!";
		3020
		3021	$facedata = Coro::Storable::thaw $facedata;
		3022
		3023	$facedata->{version} == 2
		3024	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3025
		3026	# patch in the exptable
		3027	$facedata->{resource}{"res/exp_table"} = {
		3028	type => FT_RSRC,
		3029	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3030	};
		3031	cf::cede_to_tick;
		3032
		3033	{
		3034	my $faces = $facedata->{faceinfo};
		3035
		3036	while (my ($face, $info) = each %$faces) {
		3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3038	cf::face::set_visibility $idx, $info->{visibility};
		3039	cf::face::set_magicmap $idx, $info->{magicmap};
		3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3042
		3043	cf::cede_to_tick;
		3044	}
		3045
		3046	while (my ($face, $info) = each %$faces) {
		3047	next unless $info->{smooth};
		3048	my $idx = cf::face::find $face
		3049	or next;
		3050	if (my $smooth = cf::face::find $info->{smooth}) {
		3051	cf::face::set_smooth $idx, $smooth;
		3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3053	} else {
		3054	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3055	}
		3056
		3057	cf::cede_to_tick;
		3058	}
		3059	}
		3060
		3061	{
		3062	my $anims = $facedata->{animinfo};
		3063
		3064	while (my ($anim, $info) = each %$anims) {
		3065	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3066	cf::cede_to_tick;
		3067	}
		3068
		3069	cf::anim::invalidate_all; # d'oh
		3070	}
		3071
		3072	{
		3073	# TODO: for gcfclient pleasure, we should give resources
		3074	# that gcfclient doesn't grok a >10000 face index.
		3075	my $res = $facedata->{resource};
		3076
		3077	my $soundconf = delete $res->{"res/sound.conf"};
		3078
		3079	while (my ($name, $info) = each %$res) {
		3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3081	my $data;
		3082
		3083	if ($info->{type} & 1) {
		3084	# prepend meta info
		3085
		3086	my $meta = $enc->encode ({
		3087	name => $name,
		3088	%{ $info->{meta} || {} },
		3089	});
		3090
		3091	$data = pack "(w/a*)*", $meta, $info->{data};
		3092	} else {
		3093	$data = $info->{data};
		3094	}
		3095
		3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3097	cf::face::set_type $idx, $info->{type};
		3098
		3099	cf::cede_to_tick;
		3100	}
		3101
		3102	if ($soundconf) {
		3103	$soundconf = $enc->decode (delete $soundconf->{data});
		3104
		3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3106	my $sound = $soundconf->{compat}[$_]
		3107	or next;
		3108
		3109	my $face = cf::face::find "sound/$sound->[1]";
		3110	cf::sound::set $sound->[0] => $face;
		3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3112	}
		3113
		3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3115	my $face = cf::face::find "sound/$v";
		3116	cf::sound::set $k => $face;
		3117	}
		3118	}
		3119	}
		3120
		3121	1
		3122	}
		3123
		3124	register_exticmd fx_want => sub {
		3125	my ($ns, $want) = @_;
		3126
		3127	while (my ($k, $v) = each %$want) {
		3128	$ns->fx_want ($k, $v);
		3129	}
		3130	};
		3131
		3132	sub reload_regions {
		3133	# HACK to clear player env face cache, we need some signal framework
		3134	# for this (global event?)
		3135	%ext::player_env::MUSIC_FACE_CACHE = ();
		3136
		3137	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3138	or die "unable to load regions file\n";
2264	}
2265		3139
2266	sub cfg_load {	3140	for (cf::region::list) {
		3141	$_->{match} = qr/$_->{match}/
		3142	if exists $_->{match};
		3143	}
		3144	}
		3145
		3146	sub reload_facedata {
		3147	load_facedata "$DATADIR/facedata"
		3148	or die "unable to load facedata\n";
		3149	}
		3150
		3151	sub reload_archetypes {
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	#d# NEED to laod twice to resolve forward references
		3155	# this really needs to be done in an extra post-pass
		3156	# (which needs to be synchronous, so solve it differently)
		3157	load_resource_file "$DATADIR/archetypes"
		3158	or die "unable to load archetypes\n";
		3159	}
		3160
		3161	sub reload_treasures {
		3162	load_resource_file "$DATADIR/treasures"
		3163	or die "unable to load treasurelists\n";
		3164	}
		3165
		3166	sub reload_resources {
		3167	warn "reloading resource files...\n";
		3168
		3169	reload_regions;
		3170	reload_facedata;
		3171	#reload_archetypes;#d#
		3172	reload_archetypes;
		3173	reload_treasures;
		3174
		3175	warn "finished reloading resource files\n";
		3176	}
		3177
		3178	sub init {
		3179	reload_resources;
		3180	}
		3181
		3182	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3183	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3184	or return;
2269		3185
2270	local $/;	3186	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3187	*CFG = YAML::Syck::Load <$fh>;
2272		3188
…		…
2282	};	3198	};
2283	warn $@ if $@;	3199	warn $@ if $@;
2284	}	3200	}
2285	}	3201	}
2286		3202
2287	sub init {
2288	load_resources;
2289	}
2290
2291	sub main {	3203	sub main {
2292	# we must not ever block the main coroutine	3204	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3205	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3207	(async {
		3208	$Coro::current->{desc} = "IDLE BUG HANDLER";
2296	Event::one_event;	3209	Event::one_event;
2297	})->prio (Coro::PRIO_MAX);	3210	})->prio (Coro::PRIO_MAX);
2298	};	3211	};
2299		3212
2300	cfg_load;	3213	reload_config;
2301	db_init;	3214	db_init;
2302	load_extensions;	3215	load_extensions;
2303		3216
2304	$TICK_WATCHER->start;	3217	$TICK_WATCHER->start;
2305	$WRITE_RUNTIME_WATCHER->start;
2306	Event::loop;	3218	Event::loop;
2307	}	3219	}
2308		3220
2309	#############################################################################	3221	#############################################################################
2310	# initialisation and cleanup	3222	# initialisation and cleanup
…		…
2322	},	3234	},
2323	);	3235	);
2324	}	3236	}
2325	}	3237	}
2326		3238
		3239	sub write_runtime {
		3240	my $runtime = "$LOCALDIR/runtime";
		3241
		3242	# first touch the runtime file to show we are still running:
		3243	# the fsync below can take a very very long time.
		3244
		3245	IO::AIO::aio_utime $runtime, undef, undef;
		3246
		3247	my $guard = cf::lock_acquire "write_runtime";
		3248
		3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3250	or return;
		3251
		3252	my $value = $cf::RUNTIME + 90 + 10;
		3253	# 10 is the runtime save interval, for a monotonic clock
		3254	# 60 allows for the watchdog to kill the server.
		3255
		3256	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3257	and return;
		3258
		3259	# always fsync - this file is important
		3260	aio_fsync $fh
		3261	and return;
		3262
		3263	# touch it again to show we are up-to-date
		3264	aio_utime $fh, undef, undef;
		3265
		3266	close $fh
		3267	or return;
		3268
		3269	aio_rename "$runtime~", $runtime
		3270	and return;
		3271
		3272	warn "runtime file written.\n";
		3273
		3274	1
		3275	}
		3276
2327	sub emergency_save() {	3277	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3278	my $freeze_guard = cf::freeze_mainloop;
2329		3279
2330	warn "enter emergency perl save\n";	3280	warn "enter emergency perl save\n";
2331		3281
…		…
2335	# and maps saved/destroyed asynchronously.	3285	# and maps saved/destroyed asynchronously.
2336	warn "begin emergency player save\n";	3286	warn "begin emergency player save\n";
2337	for my $login (keys %cf::PLAYER) {	3287	for my $login (keys %cf::PLAYER) {
2338	my $pl = $cf::PLAYER{$login} or next;	3288	my $pl = $cf::PLAYER{$login} or next;
2339	$pl->valid or next;	3289	$pl->valid or next;
		3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2340	$pl->save;	3291	$pl->save;
2341	}	3292	}
2342	warn "end emergency player save\n";	3293	warn "end emergency player save\n";
2343		3294
2344	warn "begin emergency map save\n";	3295	warn "begin emergency map save\n";
…		…
2362		3313
2363	warn Carp::longmess "post_cleanup backtrace"	3314	warn Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3315	if $make_core;
2365	}	3316	}
2366		3317
2367	sub reload() {	3318	sub do_reload_perl() {
2368	# can/must only be called in main	3319	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3320	if ($Coro::current != $Coro::main) {
2370	warn "can only reload from main coroutine";	3321	warn "can only reload from main coroutine";
2371	return;	3322	return;
2372	}	3323	}
…		…
2374	warn "reloading...";	3325	warn "reloading...";
2375		3326
2376	warn "entering sync_job";	3327	warn "entering sync_job";
2377		3328
2378	cf::sync_job {	3329	cf::sync_job {
2379	cf::write_runtime;	3330	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3331	cf::emergency_save;
2381	cf::write_runtime;	3332	cf::write_runtime; # external watchdog should not bark
2382		3333
2383	warn "syncing database to disk";	3334	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;	3335	BDB::db_env_txn_checkpoint $DB_ENV;
2385		3336
2386	# if anything goes wrong in here, we should simply crash as we already saved	3337	# if anything goes wrong in here, we should simply crash as we already saved
…		…
2397	Coro::cede;	3348	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3349	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3350	warn "iterate...";
2400	}	3351	}
2401		3352
		3353	++$RELOAD;
		3354
2402	warn "cancelling all extension coros";	3355	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3356	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3357	%EXT_CORO = ();
2405		3358
2406	warn "removing commands";	3359	warn "removing commands";
2407	%COMMAND = ();	3360	%COMMAND = ();
2408		3361
2409	warn "removing ext commands";	3362	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3363	%EXTCMD = ();
		3364	%EXTICMD = ();
2411		3365
2412	warn "unloading/nuking all extensions";	3366	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3367	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3368	warn "... unloading $pkg";
2415		3369
…		…
2445	Symbol::delete_package "safe::$_"	3399	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3400	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3401
2448	warn "unloading cf.pm \"a bit\"";	3402	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3403	delete $INC{"cf.pm"};
		3404	delete $INC{"cf/pod.pm"};
2450		3405
2451	# don't, removes xs symbols, too,	3406	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3407	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3408	#Symbol::delete_package __PACKAGE__;
2454		3409
…		…
2457	warn "reloading cf.pm";	3412	warn "reloading cf.pm";
2458	require cf;	3413	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3415
2461	warn "loading config and database again";	3416	warn "loading config and database again";
2462	cf::cfg_load;	3417	cf::reload_config;
2463		3418
2464	warn "loading extensions";	3419	warn "loading extensions";
2465	cf::load_extensions;	3420	cf::load_extensions;
2466		3421
2467	warn "reattaching attachments to objects/players";	3422	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3423	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3424	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3425	reattach $_ for values %MAP;
2471		3426	warn "reattaching attachments to players";
2472	warn "loading reloadable resources";	3427	reattach $_ for values %PLAYER;
2473	load_resources;
2474		3428
2475	warn "leaving sync_job";	3429	warn "leaving sync_job";
2476		3430
2477	1	3431	1
2478	} or do {	3432	} or do {
…		…
2484	warn "reloaded";	3438	warn "reloaded";
2485	};	3439	};
2486		3440
2487	our $RELOAD_WATCHER; # used only during reload	3441	our $RELOAD_WATCHER; # used only during reload
2488		3442
		3443	sub reload_perl() {
		3444	# doing reload synchronously and two reloads happen back-to-back,
		3445	# coro crashes during coro_state_free->destroy here.
		3446
		3447	$RELOAD_WATCHER ||= Event->timer (
		3448	reentrant => 0,
		3449	after => 0,
		3450	data => WF_AUTOCANCEL,
		3451	cb => sub {
		3452	do_reload_perl;
		3453	undef $RELOAD_WATCHER;
		3454	},
		3455	);
		3456	}
		3457
2489	register_command "reload" => sub {	3458	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	3459	my ($who, $arg) = @_;
2491		3460
2492	if ($who->flag (FLAG_WIZ)) {	3461	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	3462	$who->message ("reloading server.");
2494		3463	async {
2495	# doing reload synchronously and two reloads happen back-to-back,	3464	$Coro::current->{desc} = "perl_reload";
2496	# coro crashes during coro_state_free->destroy here.
2497
2498	$RELOAD_WATCHER ||= Event->timer (
2499	reentrant => 0,
2500	after => 0,
2501	data => WF_AUTOCANCEL,
2502	cb => sub {
2503	reload;	3465	reload_perl;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);	3466	};
2507	}	3467	}
2508	};	3468	};
2509		3469
2510	unshift @INC, $LIBDIR;	3470	unshift @INC, $LIBDIR;
2511		3471
2512	my $bug_warning = 0;	3472	my $bug_warning = 0;
		3473
		3474	our @WAIT_FOR_TICK;
		3475	our @WAIT_FOR_TICK_BEGIN;
		3476
		3477	sub wait_for_tick {
		3478	return unless $TICK_WATCHER->is_active;
		3479	return if $Coro::current == $Coro::main;
		3480
		3481	my $signal = new Coro::Signal;
		3482	push @WAIT_FOR_TICK, $signal;
		3483	$signal->wait;
		3484	}
		3485
		3486	sub wait_for_tick_begin {
		3487	return unless $TICK_WATCHER->is_active;
		3488	return if $Coro::current == $Coro::main;
		3489
		3490	my $signal = new Coro::Signal;
		3491	push @WAIT_FOR_TICK_BEGIN, $signal;
		3492	$signal->wait;
		3493	}
2513		3494
2514	$TICK_WATCHER = Event->timer (	3495	$TICK_WATCHER = Event->timer (
2515	reentrant => 0,	3496	reentrant => 0,
2516	parked => 1,	3497	parked => 1,
2517	prio => 0,	3498	prio => 0,
…		…
2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523	unless ++$bug_warning > 10;	3504	unless ++$bug_warning > 10;
2524	return;	3505	return;
2525	}	3506	}
2526		3507
2527	$NOW = Event::time;	3508	$NOW = $tick_start = Event::time;
2528		3509
2529	cf::server_tick; # one server iteration	3510	cf::server_tick; # one server iteration
		3511
2530	$RUNTIME += $TICK;	3512	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;	3513	$NEXT_TICK += $TICK;
2532		3514
2533	$WAIT_FOR_TICK->broadcast;	3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3516	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3517	Coro::async_pool {
		3518	$Coro::current->{desc} = "runtime saver";
		3519	write_runtime
		3520	or warn "ERROR: unable to write runtime file: $!";
		3521	};
		3522	}
2535		3523
2536	# my $AFTER = Event::time;	3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2537	# warn $AFTER - $NOW;#d#	3525	$sig->send;
		3526	}
		3527	while (my $sig = shift @WAIT_FOR_TICK) {
		3528	$sig->send;
		3529	}
		3530
		3531	$NOW = Event::time;
2538		3532
2539	# if we are delayed by four ticks or more, skip them all	3533	# if we are delayed by four ticks or more, skip them all
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2541		3535
2542	$TICK_WATCHER->at ($NEXT_TICK);	3536	$TICK_WATCHER->at ($NEXT_TICK);
2543	$TICK_WATCHER->start;	3537	$TICK_WATCHER->start;
		3538
		3539	$LOAD = ($NOW - $tick_start) / $TICK;
		3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3541
		3542	_post_tick;
2544	},	3543	},
2545	);	3544	);
2546		3545
2547	{	3546	{
		3547	BDB::min_parallel 8;
2548	BDB::max_poll_time $TICK * 0.1;	3548	BDB::max_poll_time $TICK * 0.1;
2549	$BDB_POLL_WATCHER = Event->io (	3549	$BDB_POLL_WATCHER = Event->io (
2550	reentrant => 0,	3550	reentrant => 0,
2551	fd => BDB::poll_fileno,	3551	fd => BDB::poll_fileno,
2552	poll => 'r',	3552	poll => 'r',
2553	prio => 0,	3553	prio => 0,
2554	data => WF_AUTOCANCEL,	3554	data => WF_AUTOCANCEL,
2555	cb => \&BDB::poll_cb,	3555	cb => \&BDB::poll_cb,
2556	);	3556	);
2557	BDB::min_parallel 8;
2558		3557
2559	BDB::set_sync_prepare {	3558	BDB::set_sync_prepare {
2560	my $status;	3559	my $status;
2561	my $current = $Coro::current;	3560	my $current = $Coro::current;
2562	(	3561	(
…		…
2571	)	3570	)
2572	};	3571	};
2573		3572
2574	unless ($DB_ENV) {	3573	unless ($DB_ENV) {
2575	$DB_ENV = BDB::db_env_create;	3574	$DB_ENV = BDB::db_env_create;
		3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3576	| BDB::LOG_AUTOREMOVE, 1);
		3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2576		3579
2577	cf::sync_job {	3580	cf::sync_job {
2578	eval {	3581	eval {
2579	BDB::db_env_open	3582	BDB::db_env_open
2580	$DB_ENV,	3583	$DB_ENV,
2581	$BDB_ENV_DIR,	3584	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	3587	0666;
2585		3588
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3589	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587
2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589	$DB_ENV->set_lk_detect;
2590	};	3590	};
2591		3591
2592	cf::cleanup "db_env_open(db): $@" if $@;	3592	cf::cleanup "db_env_open(db): $@" if $@;
2593	};	3593	};
2594	}	3594	}
		3595
		3596	$BDB_DEADLOCK_WATCHER = Event->timer (
		3597	after => 3,
		3598	interval => 1,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3607	after => 11,
		3608	interval => 60,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3614	},
		3615	);
		3616	$BDB_TRICKLE_WATCHER = Event->timer (
		3617	after => 5,
		3618	interval => 10,
		3619	hard => 1,
		3620	prio => 0,
		3621	data => WF_AUTOCANCEL,
		3622	cb => sub {
		3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3624	},
		3625	);
2595	}	3626	}
2596		3627
2597	{	3628	{
2598	IO::AIO::min_parallel 8;	3629	IO::AIO::min_parallel 8;
2599		3630
2600	undef $Coro::AIO::WATCHER;	3631	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	3632	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	3633	$AIO_POLL_WATCHER = Event->io (
2603	reentrant => 0,	3634	reentrant => 0,
		3635	data => WF_AUTOCANCEL,
2604	fd => IO::AIO::poll_fileno,	3636	fd => IO::AIO::poll_fileno,
2605	poll => 'r',	3637	poll => 'r',
2606	prio => 6,	3638	prio => 0,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,	3639	cb => \&IO::AIO::poll_cb,
2609	);	3640	);
2610	}	3641	}
2611		3642
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	3643	my $_log_backtrace;
2613	reentrant => 0,
2614	data => WF_AUTOCANCEL,
2615	parked => 1,
2616	after => 1,
2617	interval => 10,
2618	prio => 6, # keep it lowest so it acts like a watchdog
2619	cb => sub {
2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		3644
2622	Coro::async_pool {	3645	sub _log_backtrace {
2623	write_runtime	3646	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	3647
		3648	$msg =~ s/\n//;
		3649
		3650	# limit the # of concurrent backtraces
		3651	if ($_log_backtrace < 2) {
		3652	++$_log_backtrace;
		3653	async {
		3654	$Coro::current->{desc} = "abt $msg";
		3655
		3656	my @bt = fork_call {
		3657	@addr = map { sprintf "%x", $_ } @addr;
		3658	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3659	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3660	or die "addr2line: $!";
		3661
		3662	my @funcs;
		3663	my @res = <$fh>;
		3664	chomp for @res;
		3665	while (@res) {
		3666	my ($func, $line) = splice @res, 0, 2, ();
		3667	push @funcs, "[$func] $line";
		3668	}
		3669
		3670	@funcs
		3671	};
		3672
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] $_\n" for @bt;
		3675	--$_log_backtrace;
2625	};	3676	};
		3677	} else {
		3678	LOG llevInfo, "[ABT] $msg\n";
		3679	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3680	}
2627	);	3681	}
		3682
		3683	# load additional modules
		3684	use cf::pod;
2628		3685
2629	END { cf::emergency_save }	3686	END { cf::emergency_save }
2630		3687
2631	1	3688	1
2632		3689

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