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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.381 by root, Mon Oct 8 18:19:39 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 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;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
27		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
28	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
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		44
32	# 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?
33	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
34		47
35	$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
36		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
37	our %COMMAND = ();	52	our %COMMAND = ();
38	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
39		54
40	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
44		60
		61	our $RELOAD; # number of reloads so far
45	our @EVENT;	62	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		63
48	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(!)
49	our $TICK_WATCHER;	77	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	80	our $NEXT_TICK;
53	our $NOW;	81	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		83
56	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	88	our $DB_ENV;
58		89
59	our %CFG;	90	our %CFG;
60		91
61	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	93	our $RUNTIME;
63		94
64	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		98
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $tick_start; # for load detecting purposes
		105
76	binmode STDOUT;	106	binmode STDOUT;
77	binmode STDERR;	107	binmode STDERR;
78		108
79	# read virtual server time, if available	109	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
84	}	114	}
85		115
86	mkdir cf::localdir;	116	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		118
93	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
94		120
95	sub cf::map::normalise;	121	sub cf::map::normalise;
96		122
…		…
107	=item $cf::RUNTIME	133	=item $cf::RUNTIME
108		134
109	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
110	every server tick.	136	every server tick.
111		137
112	=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
113		141
114	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		146
117	=item $cf::NOW	147	=item $cf::NOW
118		148
119	The time of the last (current) server tick.	149	The time of the last (current) server tick.
120		150
121	=item $cf::TICK	151	=item $cf::TICK
122		152
123	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.
124		164
125	=item %cf::CFG	165	=item %cf::CFG
126		166
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	168	from wherever your confdir points to.
129		169
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		171
132	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
133	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
134	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.
135	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.
136		181
137	=back	182	=back
138		183
139	=cut	184	=cut
140		185
141	BEGIN {	186	BEGIN {
142	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	188	my $msg = join "", @_;
144	utf8::encode $msg;
145		189
146	$msg .= "\n"	190	$msg .= "\n"
147	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
148		194
149	LOG llevError, $msg;	195	LOG llevError, $msg;
150	};	196	};
151	}	197	}
152		198
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		206
160	# 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
161	# within the Safe compartment.	208	# within the Safe compartment.
162	for my $pkg (qw(	209	for my $pkg (qw(
163	cf::global cf::attachable	210	cf::global cf::attachable
…		…
171	}	218	}
172		219
173	$Event::DIED = sub {	220	$Event::DIED = sub {
174	warn "error in event callback: @_";	221	warn "error in event callback: @_";
175	};	222	};
		223
		224	#############################################################################
176		225
177	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
178		227
179	=over 4	228	=over 4
180		229
…		…
199	$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;
200	$d	249	$d
201	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
202	}	251	}
203		252
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
207		254
208	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
209		256
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
218		258
219	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
220		260
221	=cut	261	=cut
222		262
223	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
225	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
227		267
228	=item cf::lock_wait $string	268	=item cf::lock_wait $string
229		269
230	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
231		271
…		…
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
237	returned.	277	returned.
238		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
239	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
240	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
241		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
242	=cut	289	=cut
243		290
244	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
245		293
246	sub lock_wait($) {	294	sub lock_wait($) {
247	my ($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#
248		301
249	# wait for lock, if any	302	# wait for lock, if any
250	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	305	Coro::schedule;
…		…
258		311
259	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
260	lock_wait $key;	313	lock_wait $key;
261		314
262	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
263		317
264	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
267	}	322	}
268	}	323	}
269		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
270	sub freeze_mainloop {	331	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
272		333
273	my $guard = Coro::guard {	334	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	336	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
279	$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;
280	}	397	}
281		398
282	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
283		400
284	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		406
290	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
291		408
292	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
293		410
294	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)
295	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
296	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.
297		415
298	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
299	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
300	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
301	fast or be very important.	419	fast or be very important.
…		…
304		422
305	sub sync_job(&) {	423	sub sync_job(&) {
306	my ($job) = @_;	424	my ($job) = @_;
307		425
308	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
309	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
311		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
312	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	435	# (but this is cancel-safe)
314	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
315		437
316	my $busy = 1;	438	my $busy = 1;
317	my @res;	439	my @res;
318		440
319	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	443	@res = eval { $job->() };
321	warn $@ if $@;	444	warn $@ if $@;
322	undef $busy;	445	undef $busy;
323	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
324		447
325	while ($busy) {	448	while ($busy) {
326	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
327	}	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
328		458
329	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
330	} else {	460	} else {
331	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
332		462
…		…
352	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
353		483
354	$coro	484	$coro
355	}	485	}
356		486
357	sub write_runtime {	487	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		488
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
361	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.
362		493
363	my $value = $cf::RUNTIME + 90 + 10;	494	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		495
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	496	sub fork_call(&@) {
368	and return;	497	my ($cb, @args) = @_;
369		498
370	# always fsync - this file is important	499	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	500	# otherwise perl prematurely frees the stuff :/
372	and return;	501	# TODO: investigate and fix (likely this will be rather laborious)
373		502
374	close $fh	503	my @res = Coro::Util::fork_eval {
375	or return;	504	reset_signals;
		505	&$cb
		506	}, @args;
376		507
377	aio_rename "$runtime~", $runtime	508	wantarray ? @res : $res[-1]
378	and return;	509	}
379		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
380	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 });
381	}	647	}
382		648
383	=back	649	=back
384		650
385	=cut	651	=cut
…		…
392	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")
393	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
394		660
395	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>
396	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
397	crossfire+).	663	Crossfire TRT).
398		664
399	=over 4	665	=over 4
400		666
401	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
402		668
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
566		832
567	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		837
572	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	839	my $pkg = shift @arg;
574		840
575	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
605	}	871	}
606		872
607	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
608	} else {	874	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	876	}
611		877
612	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
613	}	879	}
614		880
…		…
616	if (ref $_[0]) {	882	if (ref $_[0]) {
617	_object_attach @_;	883	_object_attach @_;
618	} else {	884	} else {
619	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
620	}	886	}
		887	_recalc_want;
621	};	888	};
622		889
623	# all those should be optimised	890	# all those should be optimised
624	sub cf::attachable::detach {	891	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
629	reattach ($obj);	896	reattach ($obj);
630	} else {	897	} else {
631	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
632	}	899	}
		900	_recalc_want;
633	};	901	};
634		902
635	sub cf::attachable::attached {	903	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
637		905
…		…
652	";	920	";
653	die if $@;	921	die if $@;
654	}	922	}
655		923
656	our $override;	924	our $override;
657	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?
658		926
659	sub override {	927	sub override {
660	$override = 1;	928	$override = 1;
661	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
662	}	930	}
663		931
664	sub do_invoke {	932	sub do_invoke {
665	my $event = shift;	933	my $event = shift;
666	my $callbacks = shift;	934	my $callbacks = shift;
667		935
668	@invoke_results = ();	936	@INVOKE_RESULTS = ();
669		937
670	local $override;	938	local $override;
671		939
672	for (@$callbacks) {	940	for (@$callbacks) {
673	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
690		958
691	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
692		960
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		964
697	=back	965	=back
698		966
699	=cut	967	=cut
700		968
701	#############################################################################	969	#############################################################################
702	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
703		982
704	sub reattach {	983	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	985	my ($obj) = @_;
707		986
…		…
754	sub object_freezer_save {	1033	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
756		1035
757	sync_job {	1036	sync_job {
758	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
761		1041
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1046	close $fh;
767		1047
768	if (@$objs) {	1048	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1053	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1054	close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
776	}	1056	}
…		…
784	}	1064	}
785	} else {	1065	} else {
786	aio_unlink $filename;	1066	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
788	}	1068	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1069	};
796	}	1070	}
797		1071
798	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
800		1074
…		…
805		1079
806	sub object_thawer_load {	1080	sub object_thawer_load {
807	my ($filename) = @_;	1081	my ($filename) = @_;
808		1082
809	my ($data, $av);	1083	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1084
814	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
815	or return;	1086	or return;
816		1087
817	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
819	or return;	1090	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };
821	}
822		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
825	return ($data, $av);	1101	($data, $av)
826	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
827		1109
828	#############################################################################	1110	#############################################################################
829	# command handling &c	1111	# command handling &c
830		1112
831	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1127	}
846		1128
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1130
849	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
850		1136
851	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
852	called.	1138	called.
853		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
854	=cut	1151	=cut
855		1152
856	sub register_extcmd {	1153	sub register_extcmd {
857	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
858		1155
859	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
860	}	1163	}
861		1164
862	cf::player->attach (	1165	cf::player->attach (
863	on_command => sub {	1166	on_command => sub {
864	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1176	cf::override;
874	},	1177	},
875	on_extcmd => sub {	1178	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
877		1180
878	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1182
880	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
886	} else {	1198	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1200	}
889		1201
890	cf::override;	1202	cf::override;
891	},	1203	},
892	);	1204	);
893		1205
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
929	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1211	next unless -r $path;
931	eval {	1212
932	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
933	1	1270	}
934	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
935	}	1276	};
936	}	1277	}
937		1278
938	#############################################################################	1279	#############################################################################
939		1280
		1281	=back
		1282
940	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
941		1284
942	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
943		1286
944	=cut	1287	=cut
…		…
949		1292
950	=head3 cf::player	1293	=head3 cf::player
951		1294
952	=over 4	1295	=over 4
953		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
954	=item cf::player::find $login	1311	=item cf::player::find $login
955		1312
956	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
957		1314
958	=cut	1315	=cut
959		1316
960	sub playerdir($) {	1317	sub playerdir($) {
961	cf::localdir	1318	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1320	}
967		1321
968	sub path($) {	1322	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1324
971	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
972	}	1326	}
973		1327
974	sub find_active($) {	1328	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1343	my $login = $_[0];
990		1344
991	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
992		1346
993	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
995	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
997	}	1363	}
998	}	1364	}
999	}	1365	}
1000		1366
…		…
1010		1376
1011	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1013		1379
1014	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1015	Coro::cede;	1381	cf::cede_to_tick;
1016	}	1382	}
1017		1383
1018	sub new($) {	1384	sub new($) {
1019	my ($login) = @_;	1385	my ($login) = @_;
1020		1386
…		…
1026	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1027		1393
1028	$self	1394	$self
1029	}	1395	}
1030		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1031	=item $pl->quit_character	1407	=item $pl->quit_character
1032		1408
1033	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1035		1411
1036	=cut	1412	=cut
1037		1413
1038	sub quit_character {	1414	sub quit_character {
1039	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1040		1418
1041	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1421
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1054	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1055	}	1453	}
1056		1454
1057	=item cf::player::list_logins	1455	=item cf::player::list_logins
1058		1456
1059	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1061		1459
1062	=cut	1460	=cut
1063		1461
1064	sub list_logins {	1462	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1464	or return [];
1067		1465
1068	my @logins;	1466	my @logins;
1069		1467
1070	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1074		1477
1075	utf8::decode $login;	1478	utf8::decode $login;
1076	push @logins, $login;	1479	push @logins, $login;
1077	}	1480	}
1078		1481
…		…
1105	}	1508	}
1106		1509
1107	\@paths	1510	\@paths
1108	}	1511	}
1109		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1111		1565
1112	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1113		1567
1114	=cut	1568	=cut
1115		1569
1116	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1118		1572
1119	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1574	}
1123		1575
1124	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1125		1616
1126	=back	1617	=back
1127
1128		1618
1129	=head3 cf::map	1619	=head3 cf::map
1130		1620
1131	=over 4	1621	=over 4
1132		1622
…		…
1187	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1188		1678
1189	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1190	local $self->{path};	1680	local $self->{path};
1191	local $self->{load_path};	1681	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1682
1195	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1196	}	1684	}
1197		1685
1198	sub normalise {	1686	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1246	return $self;	1734	return $self;
1247	}	1735	}
1248	}	1736	}
1249		1737
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1739	()
1252	}	1740	}
1253		1741
1254	sub init {	1742	sub init {
1255	my ($self) = @_;	1743	my ($self) = @_;
…		…
1270		1758
1271	# the original (read-only) location	1759	# the original (read-only) location
1272	sub load_path {	1760	sub load_path {
1273	my ($self) = @_;	1761	my ($self) = @_;
1274		1762
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1276	}	1764	}
1277		1765
1278	# the temporary/swap location	1766	# the temporary/swap location
1279	sub save_path {	1767	sub save_path {
1280	my ($self) = @_;	1768	my ($self) = @_;
1281		1769
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1284	}	1772	}
1285		1773
1286	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1287	sub uniq_path {	1775	sub uniq_path {
1288	my ($self) = @_;	1776	my ($self) = @_;
1289		1777
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1292	}	1780	}
1293		1781
1294	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1295	# all maps in C++...	1783	# all maps in C++...
1296	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1298		1786
1299	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1301	}	1789	}
1302		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1303	sub unlink_save {	1799	sub unlink_save {
1304	my ($self) = @_;	1800	my ($self) = @_;
1305		1801
1306	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1805	}
1315		1806
1316	sub load_header_from($) {	1807	sub load_header_from($) {
1317	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1318		1809
1319	utf8::encode $path;	1810	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1325		1819
1326	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1327		1821
1328	1	1822	1
1329	}	1823	}
…		…
1368	$self->load_header_orig	1862	$self->load_header_orig
1369	or return;	1863	or return;
1370	$self->prepare_orig;	1864	$self->prepare_orig;
1371	}	1865	}
1372		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1373	1	1873	1
1374	}	1874	}
1375		1875
1376	sub find;	1876	sub find;
1377	sub find {	1877	sub find {
1378	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1379		1879
1380	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1381		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1383		1884
1384	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1386	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1387	or return;	1890	or return;
1388		1891
1389	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1390		1893
1391	$map->load_header	1894	$map->load_header
1392	or return;	1895	or return;
1393		1896
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1397	$map->reset;	1902	$map->reset;
1398	undef $guard;
1399	return find $path;	1903	return find $path;
1400	}	1904	}
1401		1905
1402	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1403	}	1907	}
…		…
1410	my ($self) = @_;	1914	my ($self) = @_;
1411		1915
1412	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1413		1917
1414	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1416		1922
		1923	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1925
1419	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1420		1927
1421	$self->alloc;	1928	$self->alloc;
1422		1929
1423	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1424		1932
1425	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1426	or return;	1936	or return;
1427		1937
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	1939	if delete $self->{load_original};
1430		1940
1431	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	1942	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	1945	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1436	}	1949	}
1437	}	1950	}
1438		1951
1439	Coro::cede;	1952	$f->resolve_delayed_derefs;
1440		1953
		1954	cf::cede_to_tick;
1441	# now do the right thing for maps	1955	# now do the right thing for maps
1442	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1958	unless $self->difficulty;
1452	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1453	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1975	}
1455		1976
1456	$self->post_load;	1977	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1978	}
1460		1979
1461	sub customise_for {	1980	sub customise_for {
1462	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1463		1982
1464	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1984	if $self->per_player;
1466		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1467	$self	1989	$self
1468	}	1990	}
1469		1991
1470	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	1993	sub load_neighbours {
1472	my ($map) = @_;	1994	my ($map) = @_;
1473		1995
1474	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1475		1997
1476	for (0 .. 3) {	1998	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1478	or next;	2000	or next;
1479	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1480	or next;	2002	or next;
1481	$neigh->load;	2003	$neigh->load;
1482		2004
		2005	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2008	}
1486		2009
1487	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1489	or next;	2013	or next;
1490	$neigh->load;	2014	$neigh->load;
1491	}	2015	}
1492	}	2016	}
1493		2017
…		…
1498	}	2022	}
1499		2023
1500	sub do_load_sync {	2024	sub do_load_sync {
1501	my ($map) = @_;	2025	my ($map) = @_;
1502		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1503	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1504	}	2031	}
1505		2032
1506	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1508		2035
1509	sub find_async {	2036	sub find_async {
1510	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1511		2038
1512	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1513		2040
1514	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2043	}
1517		2044
1518	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1519	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1520	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2052	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2053	$map->load if $v;
		2054	}
1525		2055
1526	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1527	}	2057	}
1528	}	2058	}
1529	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1530	};	2060	};
1531	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2064	}
1535		2065
1536	sub save {	2066	sub save {
1537	my ($self) = @_;	2067	my ($self) = @_;
1538		2068
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2070
1541	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1542		2072
1543	return unless $self->dirty;	2073	return unless $self->dirty;
1544		2074
…		…
1550	return if $self->{deny_save};	2080	return if $self->{deny_save};
1551		2081
1552	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1553		2083
1554	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1556	};	2087	};
1557		2088
1558	if ($uniq) {	2089	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1567	my ($self) = @_;	2098	my ($self) = @_;
1568		2099
1569	# save first because save cedes	2100	# save first because save cedes
1570	$self->save;	2101	$self->save;
1571		2102
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2104
1574	return if $self->players;	2105	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2107	return if $self->{deny_save};
1577		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2113	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2114	}
1581		2115
1582	sub reset_at {	2116	sub reset_at {
1583	my ($self) = @_;	2117	my ($self) = @_;
1584		2118
1585	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1588		2121
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2124
…		…
1602	my ($self) = @_;	2135	my ($self) = @_;
1603		2136
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2138
1606	return if $self->players;	2139	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2140
1609	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	# need to save uniques path
		2146	unless ($self->{deny_save}) {
		2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2148
		2149	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2150	if $uniq;
		2151	}
1610		2152
1611	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1612		2154
1613	$self->in_memory (cf::MAP_SWAPPED);	2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2157	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2158
1618	$self->unlink_save;	2159	$self->unlink_save;
1619	$self->destroy;	2160	$self->destroy;
1620	}	2161	}
1621		2162
1622	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1623		2164
1624	sub nuke {	2165	sub nuke {
1625	my ($self) = @_;	2166	my ($self) = @_;
1626		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1627	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1628		2172
1629	$self->unlink_save;	2173	$self->unlink_save;
1630		2174
1631	bless $self, "cf::map";	2175	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2180
1637	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1638		2183
1639	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1640	}	2221	}
1641		2222
1642	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1643		2224
1644	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2226	instantiated unique items. May block.
1646		2227
1647	=cut	2228	=cut
1648		2229
1649	sub unique_maps() {	2230	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1651	or return;	2232	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2233	utf8::decode $_;
1657	next if /\.pst$/;	2234	/\.map$/
1658	next unless /^$PATH_SEP/o;	2235	? normalise $_
1659		2236	: ()
1660	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2238	]
1662
1663	\@paths
1664	}	2239	}
1665		2240
1666	package cf;	2241	package cf;
1667		2242
1668	=back	2243	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1687	}	2262	}
1688		2263
1689	sub inv_recursive {	2264	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1691	}	2294	}
1692		2295
1693	package cf;	2296	package cf;
1694		2297
1695	=back	2298	=back
…		…
1714		2317
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2319
1717	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1719	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1722	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1723	}	2345	}
1724		2346
1725	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1726		2348
1727	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1775		2397
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2399
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1780		2402
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2404	}
1783		2405
1784	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1786		2410
1787	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1788		2412
1789	unless ($map) {	2413	unless ($map) {
1790	# restore original map position	2414	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1807		2431
1808	$map->load;	2432	$map->load;
1809	$map->load_diag;	2433	$map->load_neighbours;
1810		2434
1811	return unless $self->contr->active;	2435	return unless $self->contr->active;
1812	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1814	}	2440	}
1815		2441
1816	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2443
1820	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1824	};	2448	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2449
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1851		2453
1852	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2459
1855	$self->enter_link;	2460	$self->enter_link;
1856		2461
1857	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1858	my $map = eval {	2484	my $map = eval {
1859	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1861	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2500	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1866	})->prio (1);	2508	})->prio (1);
1867	}	2509	}
1868		2510
1869	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1870		2512
…		…
1909		2551
1910	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1911		2553
1912	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2556	my $meta = "$RANDOMDIR/$md5.meta";
1915		2557
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2560	undef $fh;
1919	aio_rename "$meta~", $meta;	2561	aio_rename "$meta~", $meta;
…		…
1928		2570
1929	return unless $self->type == cf::PLAYER;	2571	return unless $self->type == cf::PLAYER;
1930		2572
1931	if ($exit->slaying eq "/!") {	2573	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2575	# the problem is that $exit might not survive long enough
		2576	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2577	cf::sync_job { prepare_random_map $exit };
1934	}	2578	}
1935		2579
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
1939		2583
1940	$self->enter_link;	2584	$self->enter_link;
1941		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
1942	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
1943	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2594	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
1946		2596
1947	1;	2597	1;
1948	}) {	2598	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2599	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2600	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2601	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2602	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2603
1954	warn "ERROR in enter_exit: $@";	2604	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2605	$self->leave_link;
1956	}	2606	}
1957	})->prio (1);	2607	})->prio (1);
…		…
1970		2620
1971	sub cf::client::send_drawinfo {	2621	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2622	my ($self, $text, $flags) = @_;
1973		2623
1974	utf8::encode $text;	2624	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2626	}
1977		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
		2721	=item $client->ext_msg ($type, @msg)
		2722
		2723	Sends an ext event to the client.
		2724
		2725	=cut
		2726
		2727	sub cf::client::ext_msg($$@) {
		2728	my ($self, $type, @msg) = @_;
		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
		2733	push @msg, msgtype => "event_$type";
		2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
		2754	}
1978		2755
1979	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
1980		2757
1981	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2761
1985	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2763	become reliable at some point in the future.
1987		2764
1988	=cut	2765	=cut
1989		2766
1990	sub cf::client::query {	2767	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2776	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2778
2002	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2004	}	2783	}
2005		2784
2006	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2007	on_reply => sub {	2791	on_reply => sub {
2008	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2009		2793
2010	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2011	# get handled first	2795	# get handled first
…		…
2023	} else {	2807	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2809	}
2026	}	2810	}
2027	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2028	);	2838	);
2029		2839
2030	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2031		2841
2032	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2075		2885
2076	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2077		2887
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2079		2893
2080	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2081		2895
2082	=pod	2896	=pod
2083		2897
2084	The following fucntions and emthods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2085		2899
2086	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2087	cf::object::player player	2904	cf::object::player
2088	cf::player peaceful	2905	player
2089	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2090		2912
2091	=cut	2913	=cut
2092		2914
2093	for (	2915	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr)],
2095	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2098	) {	2922	) {
2099	no strict 'refs';	2923	no strict 'refs';
…		…
2170	=back	2994	=back
2171		2995
2172	=cut	2996	=cut
2173		2997
2174	#############################################################################	2998	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2999	# the server's init and main functions
2284		3000
2285	sub load_resources {	3001	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3002	my ($path) = @_;
		3003
		3004	# HACK to clear player env face cache, we need some signal framework
		3005	# for this (global event?)
		3006	%ext::player_env::MUSIC_FACE_CACHE = ();
		3007
		3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3009
		3010	warn "loading facedata from $path\n";
		3011
		3012	my $facedata;
		3013	0 < aio_load $path, $facedata
		3014	or die "$path: $!";
		3015
		3016	$facedata = Coro::Storable::thaw $facedata;
		3017
		3018	$facedata->{version} == 2
		3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3020
		3021	# patch in the exptable
		3022	$facedata->{resource}{"res/exp_table"} = {
		3023	type => FT_RSRC,
		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3025	};
		3026	cf::cede_to_tick;
		3027
		3028	{
		3029	my $faces = $facedata->{faceinfo};
		3030
		3031	while (my ($face, $info) = each %$faces) {
		3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
		3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3037
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	while (my ($face, $info) = each %$faces) {
		3042	next unless $info->{smooth};
		3043	my $idx = cf::face::find $face
		3044	or next;
		3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
		3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3048	} else {
		3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3050	}
		3051
		3052	cf::cede_to_tick;
		3053	}
		3054	}
		3055
		3056	{
		3057	my $anims = $facedata->{animinfo};
		3058
		3059	while (my ($anim, $info) = each %$anims) {
		3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3061	cf::cede_to_tick;
		3062	}
		3063
		3064	cf::anim::invalidate_all; # d'oh
		3065	}
		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
		3116	1
		3117	}
		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3133	or die "unable to load regions file\n";
2288	}
2289		3134
2290	sub cfg_load {	3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
		3139	}
		3140
		3141	sub reload_facedata {
		3142	load_facedata "$DATADIR/facedata"
		3143	or die "unable to load facedata\n";
		3144	}
		3145
		3146	sub reload_archetypes {
		3147	load_resource_file "$DATADIR/archetypes"
		3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	}
		3155
		3156	sub reload_treasures {
		3157	load_resource_file "$DATADIR/treasures"
		3158	or die "unable to load treasurelists\n";
		3159	}
		3160
		3161	sub reload_resources {
		3162	warn "reloading resource files...\n";
		3163
		3164	reload_regions;
		3165	reload_facedata;
		3166	#reload_archetypes;#d#
		3167	reload_archetypes;
		3168	reload_treasures;
		3169
		3170	warn "finished reloading resource files\n";
		3171	}
		3172
		3173	sub init {
		3174	reload_resources;
		3175	}
		3176
		3177	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3179	or return;
2293		3180
2294	local $/;	3181	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2296		3183
…		…
2306	};	3193	};
2307	warn $@ if $@;	3194	warn $@ if $@;
2308	}	3195	}
2309	}	3196	}
2310		3197
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3198	sub main {
2316	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2320	Event::one_event;	3204	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2322	};	3206	};
2323		3207
2324	cfg_load;	3208	reload_config;
2325	db_load;	3209	db_init;
2326	load_extensions;	3210	load_extensions;
2327		3211
2328	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2329	Event::loop;	3213	Event::loop;
2330	}	3214	}
…		…
2345	},	3229	},
2346	);	3230	);
2347	}	3231	}
2348	}	3232	}
2349		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2350	sub emergency_save() {	3272	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2352		3274
2353	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2354		3276
…		…
2358	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save};
2363	$pl->save;	3286	$pl->save;
2364	}	3287	}
2365	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2366		3289
2367	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3292	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3293	$map->valid or next;
2371	$map->save;	3294	$map->save;
2372	}	3295	}
2373	warn "end emergency map save\n";	3296	warn "end emergency map save\n";
		3297
		3298	warn "begin emergency database checkpoint\n";
		3299	BDB::db_env_txn_checkpoint $DB_ENV;
		3300	warn "end emergency database checkpoint\n";
2374	};	3301	};
2375		3302
2376	warn "leave emergency perl save\n";	3303	warn "leave emergency perl save\n";
2377	}	3304	}
2378		3305
		3306	sub post_cleanup {
		3307	my ($make_core) = @_;
		3308
		3309	warn Carp::longmess "post_cleanup backtrace"
		3310	if $make_core;
		3311	}
		3312
2379	sub reload() {	3313	sub do_reload_perl() {
2380	# can/must only be called in main	3314	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3315	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3316	warn "can only reload from main coroutine";
2383	return;	3317	return;
2384	}	3318	}
2385		3319
2386	warn "reloading...";	3320	warn "reloading...";
2387		3321
2388	warn "cancelling server ticker";	3322	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3323
		3324	cf::sync_job {
		3325	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3326	cf::emergency_save;
		3327	cf::write_runtime; # external watchdog should not bark
2392		3328
2393	eval {	3329	warn "syncing database to disk";
		3330	BDB::db_env_txn_checkpoint $DB_ENV;
		3331
2394	# if anything goes wrong in here, we should simply crash as we already saved	3332	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3333
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3334	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3335	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3336	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3337	}
2403		3338
2404	warn "flushing outstanding aio requests";	3339	warn "flushing outstanding aio requests";
2405	for (;;) {	3340	for (;;) {
		3341	BDB::flush;
2406	IO::AIO::flush;	3342	IO::AIO::flush;
2407	Coro::cede;	3343	Coro::cede;
2408	last unless IO::AIO::nreqs;	3344	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3345	warn "iterate...";
2410	}	3346	}
		3347
		3348	++$RELOAD;
2411		3349
2412	warn "cancelling all extension coros";	3350	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3351	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3352	%EXT_CORO = ();
2415		3353
2416	warn "removing commands";	3354	warn "removing commands";
2417	%COMMAND = ();	3355	%COMMAND = ();
2418		3356
2419	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2421		3360
2422	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2425		3364
…		…
2455	Symbol::delete_package "safe::$_"	3394	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3396
2458	warn "unloading cf.pm \"a bit\"";	3397	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3398	delete $INC{"cf.pm"};
		3399	delete $INC{"cf/pod.pm"};
2460		3400
2461	# don't, removes xs symbols, too,	3401	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3402	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3403	#Symbol::delete_package __PACKAGE__;
2464		3404
…		…
2467	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2468	require cf;	3408	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3410
2471	warn "loading config and database again";	3411	warn "loading config and database again";
2472	cf::cfg_load;	3412	cf::reload_config;
2473	cf::db_load;
2474		3413
2475	warn "loading extensions";	3414	warn "loading extensions";
2476	cf::load_extensions;	3415	cf::load_extensions;
2477		3416
2478	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3418	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3419	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3420	reattach $_ for values %MAP;
		3421	warn "reattaching attachments to players";
		3422	reattach $_ for values %PLAYER;
2482		3423
2483	warn "loading reloadable resources";	3424	warn "leaving sync_job";
2484	load_resources;
2485		3425
2486	warn "restarting server ticker";	3426	1
2487		3427	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3428	warn $@;
2493	warn "error while reloading, exiting.";	3429	warn "error while reloading, exiting.";
2494	exit 1;	3430	exit 1;
2495	}	3431	};
2496		3432
2497	warn "reloaded";	3433	warn "reloaded";
2498	};	3434	};
2499		3435
2500	our $RELOAD_WATCHER; # used only during reload	3436	our $RELOAD_WATCHER; # used only during reload
2501		3437
		3438	sub reload_perl() {
		3439	# doing reload synchronously and two reloads happen back-to-back,
		3440	# coro crashes during coro_state_free->destroy here.
		3441
		3442	$RELOAD_WATCHER ||= Event->timer (
		3443	reentrant => 0,
		3444	after => 0,
		3445	data => WF_AUTOCANCEL,
		3446	cb => sub {
		3447	do_reload_perl;
		3448	undef $RELOAD_WATCHER;
		3449	},
		3450	);
		3451	}
		3452
2502	register_command "reload" => sub {	3453	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2504		3455
2505	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
2507		3458	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3459	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3460	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3461	};
2520	}	3462	}
2521	};	3463	};
2522		3464
2523	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2524		3466
2525	my $bug_warning = 0;	3467	my $bug_warning = 0;
		3468
		3469	our @WAIT_FOR_TICK;
		3470	our @WAIT_FOR_TICK_BEGIN;
		3471
		3472	sub wait_for_tick {
		3473	return unless $TICK_WATCHER->is_active;
		3474	return if $Coro::current == $Coro::main;
		3475
		3476	my $signal = new Coro::Signal;
		3477	push @WAIT_FOR_TICK, $signal;
		3478	$signal->wait;
		3479	}
		3480
		3481	sub wait_for_tick_begin {
		3482	return unless $TICK_WATCHER->is_active;
		3483	return if $Coro::current == $Coro::main;
		3484
		3485	my $signal = new Coro::Signal;
		3486	push @WAIT_FOR_TICK_BEGIN, $signal;
		3487	$signal->wait;
		3488	}
2526		3489
2527	$TICK_WATCHER = Event->timer (	3490	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3491	reentrant => 0,
2529	parked => 1,	3492	parked => 1,
2530	prio => 0,	3493	prio => 0,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3499	unless ++$bug_warning > 10;
2537	return;	3500	return;
2538	}	3501	}
2539		3502
2540	$NOW = Event::time;	3503	$NOW = $tick_start = Event::time;
2541		3504
2542	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
		3506
2543	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2545		3509
2546	$WAIT_FOR_TICK->broadcast;	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3512	Coro::async_pool {
2549	Event::sweep;	3513	$Coro::current->{desc} = "runtime saver";
2550	Coro::cede_notself;	3514	write_runtime
		3515	or warn "ERROR: unable to write runtime file: $!";
		3516	};
2551		3517	}
2552	# my $AFTER = Event::time;	3518
2553	# warn $AFTER - $NOW;#d#	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3520	$sig->send;
		3521	}
		3522	while (my $sig = shift @WAIT_FOR_TICK) {
		3523	$sig->send;
		3524	}
		3525
		3526	$NOW = Event::time;
2554		3527
2555	# if we are delayed by four ticks or more, skip them all	3528	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3530
2558	$TICK_WATCHER->at ($NEXT_TICK);	3531	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3532	$TICK_WATCHER->start;
		3533
		3534	$LOAD = ($NOW - $tick_start) / $TICK;
		3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3536
		3537	_post_tick;
2560	},	3538	},
2561	);	3539	);
2562		3540
2563	{	3541	{
		3542	BDB::min_parallel 8;
2564	BDB::max_poll_time $TICK * 0.1;	3543	BDB::max_poll_time $TICK * 0.1;
2565	$BDB_POLL_WATCHER = Event->io (	3544	$BDB_POLL_WATCHER = Event->io (
2566	reentrant => 0,	3545	reentrant => 0,
2567	fd => BDB::poll_fileno,	3546	fd => BDB::poll_fileno,
2568	poll => 'r',	3547	poll => 'r',
2569	prio => 0,	3548	prio => 0,
2570	data => WF_AUTOCANCEL,	3549	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,	3550	cb => \&BDB::poll_cb,
2572	);	3551	);
2573	BDB::min_parallel 8;
2574		3552
2575	BDB::set_sync_prepare {	3553	BDB::set_sync_prepare {
2576	my $status;	3554	my $status;
2577	my $current = $Coro::current;	3555	my $current = $Coro::current;
2578	(	3556	(
…		…
2587	)	3565	)
2588	};	3566	};
2589		3567
2590	unless ($DB_ENV) {	3568	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3574
2593	cf::sync_job {	3575	cf::sync_job {
		3576	eval {
2594	BDB::db_env_open	3577	BDB::db_env_open
2595	$DB_ENV,	3578	$DB_ENV,
2596	$BDB_ENV_DIR,	3579	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3582	0666;
2600		3583
2601	cf::cleanup "$!" if $!;	3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3585	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3586
		3587	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3588	};
2605	}	3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
2606	}	3621	}
2607		3622
2608	{	3623	{
2609	IO::AIO::min_parallel 8;	3624	IO::AIO::min_parallel 8;
2610		3625
2611	undef $Coro::AIO::WATCHER;	3626	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3627	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2614	reentrant => 0,	3629	reentrant => 0,
		3630	data => WF_AUTOCANCEL,
2615	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
2616	poll => 'r',	3632	poll => 'r',
2617	prio => 6,	3633	prio => 0,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
2620	);	3635	);
2621	}	3636	}
2622		3637
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3638	my $_log_backtrace;
2624	reentrant => 0,	3639
2625	data => WF_AUTOCANCEL,	3640	sub _log_backtrace {
2626	after => 1,	3641	my ($msg, @addr) = @_;
2627	interval => 10,	3642
2628	prio => 6, # keep it lowest so it acts like a watchdog	3643	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3644
2630	write_runtime	3645	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3646	if ($_log_backtrace < 2) {
		3647	++$_log_backtrace;
		3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
		3651	my @bt = fork_call {
		3652	@addr = map { sprintf "%x", $_ } @addr;
		3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3655	or die "addr2line: $!";
		3656
		3657	my @funcs;
		3658	my @res = <$fh>;
		3659	chomp for @res;
		3660	while (@res) {
		3661	my ($func, $line) = splice @res, 0, 2, ();
		3662	push @funcs, "[$func] $line";
		3663	}
		3664
		3665	@funcs
		3666	};
		3667
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] $_\n" for @bt;
		3670	--$_log_backtrace;
		3671	};
		3672	} else {
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3675	}
2633	);	3676	}
		3677
		3678	# load additional modules
		3679	use cf::pod;
2634		3680
2635	END { cf::emergency_save }	3681	END { cf::emergency_save }
2636		3682
2637	1	3683	1
2638		3684

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