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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
		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, 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	return 1;#d#
		977
		978	#todo#d# kill yourself and do some recursive checking manually without storable
		979	sync_job {
		980	my $guard = Coro::Storable::guard;
		981	local $Storable::canonical = 1;
		982	my $fob1 = Storable::freeze $ob1;
		983	my $fob2 = Storable::freeze $ob2;
		984	$fob1 eq $fob2
		985	}
		986	}
703		987
704	sub reattach {	988	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	989	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	990	my ($obj) = @_;
707		991
…		…
754	sub object_freezer_save {	1038	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1039	my ($filename, $rdata, $objs) = @_;
756		1040
757	sync_job {	1041	sync_job {
758	if (length $$rdata) {	1042	if (length $$rdata) {
		1043	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1044	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1045	$decname, length $$rdata, scalar @$objs;
761		1046
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1050	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1051	close $fh;
767		1052
768	if (@$objs) {	1053	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1055	chmod SAVE_MODE, $fh;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1057	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1058	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1059	close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1060	aio_rename "$filename.pst~", "$filename.pst";
776	}	1061	}
…		…
784	}	1069	}
785	} else {	1070	} else {
786	aio_unlink $filename;	1071	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1072	aio_unlink "$filename.pst";
788	}	1073	}
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	}	1074	};
796	}	1075	}
797		1076
798	sub object_freezer_as_string {	1077	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1078	my ($rdata, $objs) = @_;
800		1079
…		…
805		1084
806	sub object_thawer_load {	1085	sub object_thawer_load {
807	my ($filename) = @_;	1086	my ($filename) = @_;
808		1087
809	my ($data, $av);	1088	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1089
814	(aio_load $filename, $data) >= 0	1090	(aio_load $filename, $data) >= 0
815	or return;	1091	or return;
816		1092
817	unless (aio_stat "$filename.pst") {	1093	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1094	(aio_load "$filename.pst", $av) >= 0
819	or return;	1095	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };
821	}
822		1096
		1097	my $st = eval { Coro::Storable::thaw $av }
		1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1099	$av = $st->{objs};
		1100	}
		1101
		1102	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1103	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1104	$decname, length $data, scalar @{$av || []};
		1105
825	return ($data, $av);	1106	($data, $av)
826	}	1107	}
		1108
		1109	=head2 COMMAND CALLBACKS
		1110
		1111	=over 4
		1112
		1113	=cut
827		1114
828	#############################################################################	1115	#############################################################################
829	# command handling &c	1116	# command handling &c
830		1117
831	=item cf::register_command $name => \&callback($ob,$args);	1118	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1131	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1132	}
846		1133
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1134	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1135
849	Register a callbackf ro execution when the client sends an extcmd packet.	1136	Register a callback for execution when the client sends an (synchronous)
		1137	extcmd packet. Ext commands will be processed in the order they are
		1138	received by the server, like other user commands. The first argument is
		1139	the logged-in player. Ext commands can only be processed after a player
		1140	has logged in successfully.
850		1141
851	If the callback returns something, it is sent back as if reply was being	1142	If the callback returns something, it is sent back as if reply was being
852	called.	1143	called.
853		1144
		1145	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1146
		1147	Register a callback for execution when the client sends an (asynchronous)
		1148	exticmd packet. Exti commands are processed by the server as soon as they
		1149	are received, i.e. out of order w.r.t. other commands. The first argument
		1150	is a client socket. Exti commands can be received anytime, even before
		1151	log-in.
		1152
		1153	If the callback returns something, it is sent back as if reply was being
		1154	called.
		1155
854	=cut	1156	=cut
855		1157
856	sub register_extcmd {	1158	sub register_extcmd {
857	my ($name, $cb) = @_;	1159	my ($name, $cb) = @_;
858		1160
859	$EXTCMD{$name} = $cb;	1161	$EXTCMD{$name} = $cb;
		1162	}
		1163
		1164	sub register_exticmd {
		1165	my ($name, $cb) = @_;
		1166
		1167	$EXTICMD{$name} = $cb;
860	}	1168	}
861		1169
862	cf::player->attach (	1170	cf::player->attach (
863	on_command => sub {	1171	on_command => sub {
864	my ($pl, $name, $params) = @_;	1172	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1181	cf::override;
874	},	1182	},
875	on_extcmd => sub {	1183	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1184	my ($pl, $buf) = @_;
877		1185
878	my $msg = eval { from_json $buf };	1186	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1187
880	if (ref $msg) {	1188	if (ref $msg) {
		1189	my ($type, $reply, @payload) =
		1190	"ARRAY" eq ref $msg
		1191	? @$msg
		1192	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1193
		1194	my @reply;
		1195
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1196	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1197	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1198	}
		1199
		1200	$pl->ext_reply ($reply, @reply)
		1201	if $reply;
		1202
886	} else {	1203	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1204	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1205	}
889		1206
890	cf::override;	1207	cf::override;
891	},	1208	},
892	);	1209	);
893		1210
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 {	1211	sub load_extensions {
		1212	cf::sync_job {
		1213	my %todo;
		1214
929	for my $ext (<$LIBDIR/*.ext>) {	1215	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1216	next unless -r $path;
931	eval {	1217
932	load_extension $ext;	1218	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1219	my $base = $1;
		1220	my $pkg = $1;
		1221	$pkg =~ s/[^[:word:]]/_/g;
		1222	$pkg = "ext::$pkg";
		1223
		1224	open my $fh, "<:utf8", $path
		1225	or die "$path: $!";
		1226
		1227	my $source = do { local $/; <$fh> };
		1228
		1229	my %ext = (
		1230	path => $path,
		1231	base => $base,
		1232	pkg => $pkg,
		1233	);
		1234
		1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1237
		1238	$ext{source} =
		1239	"package $pkg; use strict; use utf8;\n"
		1240	. "#line 1 \"$path\"\n{\n"
		1241	. $source
		1242	. "\n};\n1";
		1243
		1244	$todo{$base} = \%ext;
		1245	}
		1246
		1247	my %done;
		1248	while (%todo) {
		1249	my $progress;
		1250
		1251	while (my ($k, $v) = each %todo) {
		1252	for (split /,\s*/, $v->{meta}{depends}) {
		1253	goto skip
		1254	unless exists $done{$_};
		1255	}
		1256
		1257	warn "... loading '$k' into '$v->{pkg}'\n";
		1258
		1259	unless (eval $v->{source}) {
		1260	my $msg = $@ ? "$v->{path}: $@\n"
		1261	: "$v->{base}: extension inactive.\n";
		1262
		1263	if (exists $v->{meta}{mandatory}) {
		1264	warn $msg;
		1265	warn "mandatory extension failed to load, exiting.\n";
		1266	exit 1;
		1267	}
		1268
		1269	warn $msg;
		1270	}
		1271
		1272	$done{$k} = delete $todo{$k};
		1273	push @EXTS, $v->{pkg};
		1274	$progress = 1;
933	1	1275	}
934	} or warn "$ext not loaded: $@";	1276
		1277	skip:
		1278	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1279	unless $progress;
		1280	}
935	}	1281	};
936	}	1282	}
937		1283
938	#############################################################################	1284	#############################################################################
939		1285
		1286	=back
		1287
940	=head2 CORE EXTENSIONS	1288	=head2 CORE EXTENSIONS
941		1289
942	Functions and methods that extend core crossfire objects.	1290	Functions and methods that extend core crossfire objects.
943		1291
944	=cut	1292	=cut
…		…
949		1297
950	=head3 cf::player	1298	=head3 cf::player
951		1299
952	=over 4	1300	=over 4
953		1301
		1302	=item cf::player::num_playing
		1303
		1304	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1305
		1306	=cut
		1307
		1308	sub num_playing {
		1309	scalar grep
		1310	$_->ob->map
		1311	&& !$_->hidden
		1312	&& !$_->ob->flag (cf::FLAG_WIZ),
		1313	cf::player::list
		1314	}
		1315
954	=item cf::player::find $login	1316	=item cf::player::find $login
955		1317
956	Returns the given player object, loading it if necessary (might block).	1318	Returns the given player object, loading it if necessary (might block).
957		1319
958	=cut	1320	=cut
959		1321
960	sub playerdir($) {	1322	sub playerdir($) {
961	cf::localdir	1323	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1324	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1325	}
967		1326
968	sub path($) {	1327	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1328	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1329
971	(playerdir $login) . "/$login.pl"	1330	(playerdir $login) . "/playerdata"
972	}	1331	}
973		1332
974	sub find_active($) {	1333	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1334	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1335	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1348	my $login = $_[0];
990		1349
991	my $guard = cf::lock_acquire "user_find:$login";	1350	my $guard = cf::lock_acquire "user_find:$login";
992		1351
993	$cf::PLAYER{$_[0]} || do {	1352	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1353	# rename old playerfiles to new ones
		1354	#TODO: remove when no longer required
		1355	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1356	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1357	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1358	aio_unlink +(playerdir $login) . "/$login.pl";
		1359
		1360	my $f = new_from_file cf::object::thawer path $login
995	or return;	1361	or return;
		1362
		1363	my $pl = cf::player::load_pl $f
		1364	or return;
		1365	local $cf::PLAYER_LOADING{$login} = $pl;
		1366	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1367	$cf::PLAYER{$login} = $pl
997	}	1368	}
998	}	1369	}
999	}	1370	}
1000		1371
…		…
1010		1381
1011	aio_mkdir playerdir $pl, 0770;	1382	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1383	$pl->{last_save} = $cf::RUNTIME;
1013		1384
1014	$pl->save_pl ($path);	1385	$pl->save_pl ($path);
1015	Coro::cede;	1386	cf::cede_to_tick;
1016	}	1387	}
1017		1388
1018	sub new($) {	1389	sub new($) {
1019	my ($login) = @_;	1390	my ($login) = @_;
1020		1391
…		…
1026	$cf::PLAYER{$login} = $self;	1397	$cf::PLAYER{$login} = $self;
1027		1398
1028	$self	1399	$self
1029	}	1400	}
1030		1401
		1402	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1403
		1404	=cut
		1405
		1406	sub send_msg {
		1407	my $ns = shift->ns
		1408	or return;
		1409	$ns->send_msg (@_);
		1410	}
		1411
1031	=item $pl->quit_character	1412	=item $pl->quit_character
1032		1413
1033	Nukes the player without looking back. If logged in, the connection will	1414	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1415	be destroyed. May block for a long time.
1035		1416
1036	=cut	1417	=cut
1037		1418
1038	sub quit_character {	1419	sub quit_character {
1039	my ($pl) = @_;	1420	my ($pl) = @_;
		1421
		1422	my $name = $pl->ob->name;
1040		1423
1041	$pl->{deny_save} = 1;	1424	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1425	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1426
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1427	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1432	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1433	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1434	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1435	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1436	$pl->destroy;
		1437
		1438	my $prefix = qr<^~\Q$name\E/>;
		1439
		1440	# nuke player maps
		1441	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1442
1054	IO::AIO::aio_rmtree $temp;	1443	IO::AIO::aio_rmtree $temp;
		1444	}
		1445
		1446	=item $pl->kick
		1447
		1448	Kicks a player out of the game. This destroys the connection.
		1449
		1450	=cut
		1451
		1452	sub kick {
		1453	my ($pl, $kicker) = @_;
		1454
		1455	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1456	$pl->killer ("kicked");
		1457	$pl->ns->destroy;
1055	}	1458	}
1056		1459
1057	=item cf::player::list_logins	1460	=item cf::player::list_logins
1058		1461
1059	Returns am arrayref of all valid playernames in the system, can take a	1462	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1463	while and may block, so not sync_job-capable, ever.
1061		1464
1062	=cut	1465	=cut
1063		1466
1064	sub list_logins {	1467	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1468	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1469	or return [];
1067		1470
1068	my @logins;	1471	my @logins;
1069		1472
1070	for my $login (@$dirs) {	1473	for my $login (@$dirs) {
		1474	my $path = path $login;
		1475
		1476	# a .pst is a dead give-away for a valid player
		1477	unless (-e "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1479	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1480	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1481	}
1074		1482
1075	utf8::decode $login;	1483	utf8::decode $login;
1076	push @logins, $login;	1484	push @logins, $login;
1077	}	1485	}
1078		1486
…		…
1105	}	1513	}
1106		1514
1107	\@paths	1515	\@paths
1108	}	1516	}
1109		1517
		1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1519
		1520	Expand crossfire pod fragments into protocol xml.
		1521
		1522	=cut
		1523
		1524	sub expand_cfpod {
		1525	((my $self), (local $_)) = @_;
		1526
		1527	# escape & and <
		1528	s/&/&amp;/g;
		1529	s/(?<![BIUGHT])</&lt;/g;
		1530
		1531	# this is buggy, it needs to properly take care of nested <'s
		1532
		1533	1 while
		1534	# replace B<>, I<>, U<> etc.
		1535	s/B<([^\>]*)>/<b>$1<\/b>/
		1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1539	# replace G<male|female> tags
		1540	|| s{G<([^>|]*)\|([^>]*)>}{
		1541	$self->gender ? $2 : $1
		1542	}ge
		1543	# replace H<hint text>
		1544	|| s{H<([^\>]*)>}
		1545	{
		1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1548	"")
		1549	[$self->{hintmode}]
		1550	}ge;
		1551
		1552	# create single paragraphs (very hackish)
		1553	s/(?<=\S)\n(?=\w)/ /g;
		1554
		1555	# compress some whitespace
		1556	s/\s+\n/\n/g; # ws line-ends
		1557	s/\n\n+/\n/g; # double lines
		1558	s/^\n+//; # beginning lines
		1559	s/\n+$//; # ending lines
		1560
		1561	$_
		1562	}
		1563
		1564	sub hintmode {
		1565	$_[0]{hintmode} = $_[1] if @_ > 1;
		1566	$_[0]{hintmode}
		1567	}
		1568
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1569	=item $player->ext_reply ($msgid, @msg)
1111		1570
1112	Sends an ext reply to the player.	1571	Sends an ext reply to the player.
1113		1572
1114	=cut	1573	=cut
1115		1574
1116	sub ext_reply($$$%) {	1575	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1576	my ($self, $id, @msg) = @_;
1118		1577
1119	$msg{msgid} = $id;	1578	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1579	}
1123		1580
1124	package cf;	1581	=item $player->ext_msg ($type, @msg)
		1582
		1583	Sends an ext event to the client.
		1584
		1585	=cut
		1586
		1587	sub ext_msg($$@) {
		1588	my ($self, $type, @msg) = @_;
		1589
		1590	$self->ns->ext_msg ($type, @msg);
		1591	}
		1592
		1593	=head3 cf::region
		1594
		1595	=over 4
		1596
		1597	=cut
		1598
		1599	package cf::region;
		1600
		1601	=item cf::region::find_by_path $path
		1602
		1603	Tries to decuce the likely region for a map knowing only its path.
		1604
		1605	=cut
		1606
		1607	sub find_by_path($) {
		1608	my ($path) = @_;
		1609
		1610	my ($match, $specificity);
		1611
		1612	for my $region (list) {
		1613	if ($region->{match} && $path =~ $region->{match}) {
		1614	($match, $specificity) = ($region, $region->specificity)
		1615	if $region->specificity > $specificity;
		1616	}
		1617	}
		1618
		1619	$match
		1620	}
1125		1621
1126	=back	1622	=back
1127
1128		1623
1129	=head3 cf::map	1624	=head3 cf::map
1130		1625
1131	=over 4	1626	=over 4
1132		1627
…		…
1187	my ($self, $merge) = @_;	1682	my ($self, $merge) = @_;
1188		1683
1189	# we have to keep some variables in memory intact	1684	# we have to keep some variables in memory intact
1190	local $self->{path};	1685	local $self->{path};
1191	local $self->{load_path};	1686	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1687
1195	$self->SUPER::thawer_merge ($merge);	1688	$self->SUPER::thawer_merge ($merge);
1196	}	1689	}
1197		1690
1198	sub normalise {	1691	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1738	$self->init; # pass $1 etc.
1246	return $self;	1739	return $self;
1247	}	1740	}
1248	}	1741	}
1249		1742
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1743	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1744	()
1252	}	1745	}
1253		1746
1254	sub init {	1747	sub init {
1255	my ($self) = @_;	1748	my ($self) = @_;
…		…
1270		1763
1271	# the original (read-only) location	1764	# the original (read-only) location
1272	sub load_path {	1765	sub load_path {
1273	my ($self) = @_;	1766	my ($self) = @_;
1274		1767
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1768	"$MAPDIR/$self->{path}.map"
1276	}	1769	}
1277		1770
1278	# the temporary/swap location	1771	# the temporary/swap location
1279	sub save_path {	1772	sub save_path {
1280	my ($self) = @_;	1773	my ($self) = @_;
1281		1774
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1775	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1776	"$TMPDIR/$path.map"
1284	}	1777	}
1285		1778
1286	# the unique path, undef == no special unique path	1779	# the unique path, undef == no special unique path
1287	sub uniq_path {	1780	sub uniq_path {
1288	my ($self) = @_;	1781	my ($self) = @_;
1289		1782
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1783	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1784	"$UNIQUEDIR/$path"
1292	}	1785	}
1293		1786
1294	# and all this just because we cannot iterate over	1787	# and all this just because we cannot iterate over
1295	# all maps in C++...	1788	# all maps in C++...
1296	sub change_all_map_light {	1789	sub change_all_map_light {
…		…
1298		1791
1299	$_->change_map_light ($change)	1792	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1793	for grep $_->outdoor, values %cf::MAP;
1301	}	1794	}
1302		1795
		1796	sub decay_objects {
		1797	my ($self) = @_;
		1798
		1799	return if $self->{deny_reset};
		1800
		1801	$self->do_decay_objects;
		1802	}
		1803
1303	sub unlink_save {	1804	sub unlink_save {
1304	my ($self) = @_;	1805	my ($self) = @_;
1305		1806
1306	utf8::encode (my $save = $self->save_path);	1807	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1808	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1809	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	}	1810	}
1315		1811
1316	sub load_header_from($) {	1812	sub load_header_from($) {
1317	my ($self, $path) = @_;	1813	my ($self, $path) = @_;
1318		1814
1319	utf8::encode $path;	1815	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1816	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1817	or return;
		1818
		1819	$self->_load_header ($f)
		1820	or return;
		1821
		1822	local $MAP_LOADING{$self->{path}} = $self;
		1823	$f->resolve_delayed_derefs;
1325		1824
1326	$self->{load_path} = $path;	1825	$self->{load_path} = $path;
1327		1826
1328	1	1827	1
1329	}	1828	}
…		…
1368	$self->load_header_orig	1867	$self->load_header_orig
1369	or return;	1868	or return;
1370	$self->prepare_orig;	1869	$self->prepare_orig;
1371	}	1870	}
1372		1871
		1872	$self->{deny_reset} = 1
		1873	if $self->no_reset;
		1874
		1875	$self->default_region (cf::region::find_by_path $self->{path})
		1876	unless $self->default_region;
		1877
1373	1	1878	1
1374	}	1879	}
1375		1880
1376	sub find;	1881	sub find;
1377	sub find {	1882	sub find {
1378	my ($path, $origin) = @_;	1883	my ($path, $origin) = @_;
1379		1884
1380	$path = normalise $path, $origin && $origin->path;	1885	$path = normalise $path, $origin && $origin->path;
1381		1886
		1887	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1888	cf::lock_wait "map_find:$path";
1383		1889
1384	$cf::MAP{$path} || do {	1890	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";	1891	my $guard1 = cf::lock_acquire "map_find:$path";
		1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1893
1386	my $map = new_from_path cf::map $path	1894	my $map = new_from_path cf::map $path
1387	or return;	1895	or return;
1388		1896
1389	$map->{last_save} = $cf::RUNTIME;	1897	$map->{last_save} = $cf::RUNTIME;
1390		1898
1391	$map->load_header	1899	$map->load_header
1392	or return;	1900	or return;
1393		1901
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1903	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1904	#$cf::WAIT_FOR_TICK->wait;
		1905	undef $guard1;
		1906	undef $guard2;
1397	$map->reset;	1907	$map->reset;
1398	undef $guard;
1399	return find $path;	1908	return find $path;
1400	}	1909	}
1401		1910
1402	$cf::MAP{$path} = $map	1911	$cf::MAP{$path} = $map
1403	}	1912	}
…		…
1410	my ($self) = @_;	1919	my ($self) = @_;
1411		1920
1412	local $self->{deny_reset} = 1; # loading can take a long time	1921	local $self->{deny_reset} = 1; # loading can take a long time
1413		1922
1414	my $path = $self->{path};	1923	my $path = $self->{path};
		1924
		1925	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1926	my $guard = cf::lock_acquire "map_data:$path";
1416		1927
		1928	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1929	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1930
1419	$self->in_memory (cf::MAP_LOADING);	1931	$self->in_memory (cf::MAP_LOADING);
1420		1932
1421	$self->alloc;	1933	$self->alloc;
1422		1934
1423	$self->pre_load;	1935	$self->pre_load;
		1936	cf::cede_to_tick;
1424		1937
1425	$self->_load_objects ($self->{load_path}, 1)	1938	my $f = new_from_file cf::object::thawer $self->{load_path};
		1939	$f->skip_block;
		1940	$self->_load_objects ($f)
1426	or return;	1941	or return;
1427		1942
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	1944	if delete $self->{load_original};
1430		1945
1431	if (my $uniq = $self->uniq_path) {	1946	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	1947	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	1948	unless (aio_stat $uniq) {
		1949	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	1950	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	1951	$self->_load_objects ($f);
		1952	$f->resolve_delayed_derefs;
		1953	}
1436	}	1954	}
1437	}	1955	}
1438		1956
1439	Coro::cede;	1957	$f->resolve_delayed_derefs;
1440		1958
		1959	cf::cede_to_tick;
1441	# now do the right thing for maps	1960	# now do the right thing for maps
1442	$self->link_multipart_objects;	1961	$self->link_multipart_objects;
1443
1444	unless ($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)	1962	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1963	unless $self->difficulty;
1452	Coro::cede;	1964	cf::cede_to_tick;
		1965
		1966	unless ($self->{deny_activate}) {
		1967	$self->decay_objects;
		1968	$self->fix_auto_apply;
		1969	$self->update_buttons;
		1970	cf::cede_to_tick;
		1971	$self->set_darkness_map;
		1972	cf::cede_to_tick;
1453	$self->activate;	1973	$self->activate;
		1974	}
		1975
		1976	$self->{last_save} = $cf::RUNTIME;
		1977	$self->last_access ($cf::RUNTIME);
		1978
		1979	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1980	}
1455		1981
1456	$self->post_load;	1982	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1983	}
1460		1984
1461	sub customise_for {	1985	sub customise_for {
1462	my ($self, $ob) = @_;	1986	my ($self, $ob) = @_;
1463		1987
1464	return find "~" . $ob->name . "/" . $self->{path}	1988	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1989	if $self->per_player;
1466		1990
		1991	# return find "?party/" . $ob->name . "/" . $self->{path}
		1992	# if $self->per_party;
		1993
1467	$self	1994	$self
1468	}	1995	}
1469		1996
1470	# find and load all maps in the 3x3 area around a map	1997	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	1998	sub load_neighbours {
1472	my ($map) = @_;	1999	my ($map) = @_;
1473		2000
1474	my @diag; # diagonal neighbours	2001	my @neigh; # diagonal neighbours
1475		2002
1476	for (0 .. 3) {	2003	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2004	my $neigh = $map->tile_path ($_)
1478	or next;	2005	or next;
1479	$neigh = find $neigh, $map	2006	$neigh = find $neigh, $map
1480	or next;	2007	or next;
1481	$neigh->load;	2008	$neigh->load;
1482		2009
		2010	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2011	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2012	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2013	}
1486		2014
1487	for (@diag) {	2015	for (grep defined $_->[0], @neigh) {
		2016	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2017	my $neigh = find $path, $origin
1489	or next;	2018	or next;
1490	$neigh->load;	2019	$neigh->load;
1491	}	2020	}
1492	}	2021	}
1493		2022
…		…
1498	}	2027	}
1499		2028
1500	sub do_load_sync {	2029	sub do_load_sync {
1501	my ($map) = @_;	2030	my ($map) = @_;
1502		2031
		2032	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2033	if $Coro::current == $Coro::main;
		2034
1503	cf::sync_job { $map->load };	2035	cf::sync_job { $map->load };
1504	}	2036	}
1505		2037
1506	our %MAP_PREFETCH;	2038	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2039	our $MAP_PREFETCHER = undef;
1508		2040
1509	sub find_async {	2041	sub find_async {
1510	my ($path, $origin) = @_;	2042	my ($path, $origin, $load) = @_;
1511		2043
1512	$path = normalise $path, $origin && $origin->{path};	2044	$path = normalise $path, $origin && $origin->{path};
1513		2045
1514	if (my $map = $cf::MAP{$path}) {	2046	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2048	}
1517		2049
1518	undef $MAP_PREFETCH{$path};	2050	$MAP_PREFETCH{$path} |= $load;
		2051
1519	$MAP_PREFETCHER ||= cf::async {	2052	$MAP_PREFETCHER ||= cf::async {
		2053	$Coro::current->{desc} = "map prefetcher";
		2054
1520	while (%MAP_PREFETCH) {	2055	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2056	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2057	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2058	$map->load if $v;
		2059	}
1525		2060
1526	delete $MAP_PREFETCH{$path};	2061	delete $MAP_PREFETCH{$k};
1527	}	2062	}
1528	}	2063	}
1529	undef $MAP_PREFETCHER;	2064	undef $MAP_PREFETCHER;
1530	};	2065	};
1531	$MAP_PREFETCHER->prio (6);	2066	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2069	}
1535		2070
1536	sub save {	2071	sub save {
1537	my ($self) = @_;	2072	my ($self) = @_;
1538		2073
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2074	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2075
1541	$self->{last_save} = $cf::RUNTIME;	2076	$self->{last_save} = $cf::RUNTIME;
1542		2077
1543	return unless $self->dirty;	2078	return unless $self->dirty;
1544		2079
…		…
1550	return if $self->{deny_save};	2085	return if $self->{deny_save};
1551		2086
1552	local $self->{last_access} = $self->last_access;#d#	2087	local $self->{last_access} = $self->last_access;#d#
1553		2088
1554	cf::async {	2089	cf::async {
		2090	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2091	$_->contr->save for $self->players;
1556	};	2092	};
1557		2093
1558	if ($uniq) {	2094	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1567	my ($self) = @_;	2103	my ($self) = @_;
1568		2104
1569	# save first because save cedes	2105	# save first because save cedes
1570	$self->save;	2106	$self->save;
1571		2107
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2108	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2109
1574	return if $self->players;	2110	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2111	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2112	return if $self->{deny_save};
1577		2113
		2114	$self->in_memory (cf::MAP_SWAPPED);
		2115
		2116	$self->deactivate;
		2117	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2118	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2119	}
1581		2120
1582	sub reset_at {	2121	sub reset_at {
1583	my ($self) = @_;	2122	my ($self) = @_;
1584		2123
1585	# TODO: safety, remove and allow resettable per-player maps	2124	# 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};	2125	return 1e99 if $self->{deny_reset};
1588		2126
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2127	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2128	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2129
…		…
1602	my ($self) = @_;	2140	my ($self) = @_;
1603		2141
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2143
1606	return if $self->players;	2144	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2145
1609	warn "resetting map ", $self->path;#d#	2146	warn "resetting map ", $self->path;
		2147
		2148	$self->in_memory (cf::MAP_SWAPPED);
		2149
		2150	# need to save uniques path
		2151	unless ($self->{deny_save}) {
		2152	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2153
		2154	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2155	if $uniq;
		2156	}
1610		2157
1611	delete $cf::MAP{$self->path};	2158	delete $cf::MAP{$self->path};
1612		2159
1613	$self->in_memory (cf::MAP_SWAPPED);	2160	$self->deactivate;
		2161	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2162	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2163
1618	$self->unlink_save;	2164	$self->unlink_save;
1619	$self->destroy;	2165	$self->destroy;
1620	}	2166	}
1621		2167
1622	my $nuke_counter = "aaaa";	2168	my $nuke_counter = "aaaa";
1623		2169
1624	sub nuke {	2170	sub nuke {
1625	my ($self) = @_;	2171	my ($self) = @_;
1626		2172
		2173	{
		2174	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2175
1627	delete $cf::MAP{$self->path};	2176	delete $cf::MAP{$self->path};
1628		2177
1629	$self->unlink_save;	2178	$self->unlink_save;
1630		2179
1631	bless $self, "cf::map";	2180	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2181	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2182	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2183	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2184	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2185
1637	$cf::MAP{$self->path} = $self;	2186	$cf::MAP{$self->path} = $self;
		2187	}
1638		2188
1639	$self->reset; # polite request, might not happen	2189	$self->reset; # polite request, might not happen
		2190	}
		2191
		2192	=item $maps = cf::map::tmp_maps
		2193
		2194	Returns an arrayref with all map paths of currently instantiated and saved
		2195	maps. May block.
		2196
		2197	=cut
		2198
		2199	sub tmp_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $TMPDIR or [] }
		2207	]
		2208	}
		2209
		2210	=item $maps = cf::map::random_maps
		2211
		2212	Returns an arrayref with all map paths of currently instantiated and saved
		2213	random maps. May block.
		2214
		2215	=cut
		2216
		2217	sub random_maps() {
		2218	[
		2219	map {
		2220	utf8::decode $_;
		2221	/\.map$/
		2222	? normalise "?random/$_"
		2223	: ()
		2224	} @{ aio_readdir $RANDOMDIR or [] }
		2225	]
1640	}	2226	}
1641		2227
1642	=item cf::map::unique_maps	2228	=item cf::map::unique_maps
1643		2229
1644	Returns an arrayref of paths of all shared maps that have	2230	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2231	instantiated unique items. May block.
1646		2232
1647	=cut	2233	=cut
1648		2234
1649	sub unique_maps() {	2235	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2236	[
1651	or return;	2237	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2238	utf8::decode $_;
1657	next if /\.pst$/;	2239	/\.map$/
1658	next unless /^$PATH_SEP/o;	2240	? normalise $_
1659		2241	: ()
1660	push @paths, cf::map::normalise $_;	2242	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2243	]
1662
1663	\@paths
1664	}	2244	}
1665		2245
1666	package cf;	2246	package cf;
1667		2247
1668	=back	2248	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2266	map { $_, inv_recursive_ $_->inv } @_
1687	}	2267	}
1688		2268
1689	sub inv_recursive {	2269	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2270	inv_recursive_ inv $_[0]
		2271	}
		2272
		2273	=item $ref = $ob->ref
		2274
		2275	creates and returns a persistent reference to an objetc that can be stored as a string.
		2276
		2277	=item $ob = cf::object::deref ($refstring)
		2278
		2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2280	even if the object actually exists. May block.
		2281
		2282	=cut
		2283
		2284	sub deref {
		2285	my ($ref) = @_;
		2286
		2287	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2288	my ($uuid, $name) = ($1, $2);
		2289	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2290	or return;
		2291	$pl->ob->uuid eq $uuid
		2292	or return;
		2293
		2294	$pl->ob
		2295	} else {
		2296	warn "$ref: cannot resolve object reference\n";
		2297	undef
		2298	}
1691	}	2299	}
1692		2300
1693	package cf;	2301	package cf;
1694		2302
1695	=back	2303	=back
…		…
1714		2322
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2323	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2324
1717	if ($self->{record_replies}) {	2325	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2326	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2327
1719	} else {	2328	} else {
		2329	my $pl = $self->contr;
		2330
		2331	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2332	my $dialog = $pl->{npc_dialog};
		2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2334
		2335	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2336	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2337	$self->message ($msg, $flags);
		2338	}
1722	}	2339	}
		2340	}
		2341
		2342	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2343
		2344	=cut
		2345
		2346	sub cf::object::send_msg {
		2347	my $pl = shift->contr
		2348	or return;
		2349	$pl->send_msg (@_);
1723	}	2350	}
1724		2351
1725	=item $player_object->may ("access")	2352	=item $player_object->may ("access")
1726		2353
1727	Returns wether the given player is authorized to access resource "access"	2354	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2401	$self->deactivate_recursive;
1775		2402
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2403	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2404
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2405	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2406	if $self->map && $self->map->{path} ne "{link}";
1780		2407
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2408	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2409	}
1783		2410
1784	sub cf::object::player::leave_link {	2411	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2412	my ($self, $map, $x, $y) = @_;
		2413
		2414	return unless $self->contr->active;
1786		2415
1787	my $link_pos = delete $self->{_link_pos};	2416	my $link_pos = delete $self->{_link_pos};
1788		2417
1789	unless ($map) {	2418	unless ($map) {
1790	# restore original map position	2419	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2433	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2434	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2435	if $x <=0 && $y <= 0;
1807		2436
1808	$map->load;	2437	$map->load;
1809	$map->load_diag;	2438	$map->load_neighbours;
1810		2439
1811	return unless $self->contr->active;	2440	return unless $self->contr->active;
1812	$self->activate_recursive;	2441	$self->activate_recursive;
		2442
		2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2444	$self->enter_map ($map, $x, $y);
1814	}	2445	}
1815		2446
1816	cf::player->attach (	2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2448
1820	# abort map switching before logout	2449	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2450	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2451	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2452	the new (success) or old (failed) map position. In either case, $done will
1824	};	2453	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2454
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	2455	=cut
		2456
		2457	our $GOTOGEN;
1851		2458
1852	sub cf::object::player::goto {	2459	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2460	my ($self, $path, $x, $y, $check, $done) = @_;
		2461
		2462	# do generation counting so two concurrent goto's will be executed in-order
		2463	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2464
1855	$self->enter_link;	2465	$self->enter_link;
1856		2466
1857	(async {	2467	(async {
		2468	$Coro::current->{desc} = "player::goto $path $x $y";
		2469
		2470	# *tag paths override both path and x|y
		2471	if ($path =~ /^\*(.*)$/) {
		2472	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2473	my $ob = $obs[rand @obs];
		2474
		2475	# see if we actually can go there
		2476	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2477	$ob = $obs[rand @obs];
		2478	} else {
		2479	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2480	}
		2481	# else put us there anyways for now #d#
		2482
		2483	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2484	} else {
		2485	($path, $x, $y) = (undef, undef, undef);
		2486	}
		2487	}
		2488
1858	my $map = eval {	2489	my $map = eval {
1859	my $map = cf::map::find $path;	2490	my $map = defined $path ? cf::map::find $path : undef;
		2491
		2492	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2493	$map = $map->customise_for ($self);
		2494	$map = $check->($map) if $check && $map;
		2495	} else {
		2496	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	}
		2498
1861	$map	2499	$map
		2500	};
		2501
		2502	if ($@) {
		2503	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2504	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2505	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2506
		2507	if ($gen == $self->{_goto_generation}) {
		2508	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2509	$self->leave_link ($map, $x, $y);
		2510	}
		2511
		2512	$done->() if $done;
1866	})->prio (1);	2513	})->prio (1);
1867	}	2514	}
1868		2515
1869	=item $player_object->enter_exit ($exit_object)	2516	=item $player_object->enter_exit ($exit_object)
1870		2517
…		…
1909		2556
1910	$rmp->{random_seed} ||= $exit->random_seed;	2557	$rmp->{random_seed} ||= $exit->random_seed;
1911		2558
1912	my $data = cf::to_json $rmp;	2559	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2560	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2561	my $meta = "$RANDOMDIR/$md5.meta";
1915		2562
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2563	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2564	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2565	undef $fh;
1919	aio_rename "$meta~", $meta;	2566	aio_rename "$meta~", $meta;
…		…
1928		2575
1929	return unless $self->type == cf::PLAYER;	2576	return unless $self->type == cf::PLAYER;
1930		2577
1931	if ($exit->slaying eq "/!") {	2578	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2579	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2580	# the problem is that $exit might not survive long enough
		2581	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2582	cf::sync_job { prepare_random_map $exit };
1934	}	2583	}
1935		2584
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2585	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2586	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2587	my $sp = $exit->stats->sp;
1939		2588
1940	$self->enter_link;	2589	$self->enter_link;
1941		2590
		2591	# if exit is damned, update players death & WoR home-position
		2592	$self->contr->savebed ($slaying, $hp, $sp)
		2593	if $exit->flag (FLAG_DAMNED);
		2594
1942	(async {	2595	(async {
		2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2597
1943	$self->deactivate_recursive; # just to be sure	2598	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2599	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2600	$self->goto ($slaying, $hp, $sp);
1946		2601
1947	1;	2602	1;
1948	}) {	2603	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2604	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2605	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2606	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2607	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2608
1954	warn "ERROR in enter_exit: $@";	2609	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2610	$self->leave_link;
1956	}	2611	}
1957	})->prio (1);	2612	})->prio (1);
…		…
1970		2625
1971	sub cf::client::send_drawinfo {	2626	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2627	my ($self, $text, $flags) = @_;
1973		2628
1974	utf8::encode $text;	2629	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2630	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2631	}
1977		2632
		2633	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2634
		2635	Send a drawinfo or msg packet to the client, formatting the msg for the
		2636	client if neccessary. C<$type> should be a string identifying the type of
		2637	the message, with C<log> being the default. If C<$color> is negative, suppress
		2638	the message unless the client supports the msg packet.
		2639
		2640	=cut
		2641
		2642	our %CHANNEL = (
		2643	"c/identify" => {
		2644	id => "infobox",
		2645	title => "Identify",
		2646	reply => undef,
		2647	tooltip => "Items recently identified",
		2648	},
		2649	"c/examine" => {
		2650	id => "infobox",
		2651	title => "Examine",
		2652	reply => undef,
		2653	tooltip => "Signs and other items you examined",
		2654	},
		2655	"c/lookat" => {
		2656	id => "infobox",
		2657	title => "Look",
		2658	reply => undef,
		2659	tooltip => "What you saw there",
		2660	},
		2661	);
		2662
		2663	sub cf::client::send_msg {
		2664	my ($self, $channel, $msg, $color, @extra) = @_;
		2665
		2666	$msg = $self->pl->expand_cfpod ($msg);
		2667
		2668	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2669
		2670	# check predefined channels, for the benefit of C
		2671	if ($CHANNEL{$channel}) {
		2672	$channel = $CHANNEL{$channel};
		2673
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676
		2677	$channel = $channel->{id};
		2678
		2679	} elsif (ref $channel) {
		2680	# send meta info to client, if not yet sent
		2681	unless (exists $self->{channel}{$channel->{id}}) {
		2682	$self->{channel}{$channel->{id}} = $channel;
		2683	$self->ext_msg (channel_info => $channel)
		2684	if $self->can_msg;
		2685	}
		2686
		2687	$channel = $channel->{id};
		2688	}
		2689
		2690	return unless @extra || length $msg;
		2691
		2692	if ($self->can_msg) {
		2693	# default colour, mask it out
		2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2695	if $color & cf::NDI_DEF;
		2696
		2697	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2699	} else {
		2700	if ($color >= 0) {
		2701	# replace some tags by gcfclient-compatible ones
		2702	for ($msg) {
		2703	1 while
		2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2709	}
		2710
		2711	$color &= cf::NDI_COLOR_MASK;
		2712
		2713	utf8::encode $msg;
		2714
		2715	if (0 && $msg =~ /\[/) {
		2716	# COMMAND/INFO
		2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2718	} else {
		2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2720	$self->send_packet ("drawinfo $color $msg")
		2721	}
		2722	}
		2723	}
		2724	}
		2725
		2726	=item $client->ext_msg ($type, @msg)
		2727
		2728	Sends an ext event to the client.
		2729
		2730	=cut
		2731
		2732	sub cf::client::ext_msg($$@) {
		2733	my ($self, $type, @msg) = @_;
		2734
		2735	if ($self->extcmd == 2) {
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2737	} elsif ($self->extcmd == 1) { # TODO: remove
		2738	push @msg, msgtype => "event_$type";
		2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
		2742
		2743	=item $client->ext_reply ($msgid, @msg)
		2744
		2745	Sends an ext reply to the client.
		2746
		2747	=cut
		2748
		2749	sub cf::client::ext_reply($$@) {
		2750	my ($self, $id, @msg) = @_;
		2751
		2752	if ($self->extcmd == 2) {
		2753	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2754	} elsif ($self->extcmd == 1) {
		2755	#TODO: version 1, remove
		2756	unshift @msg, msgtype => "reply", msgid => $id;
		2757	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2758	}
		2759	}
1978		2760
1979	=item $success = $client->query ($flags, "text", \&cb)	2761	=item $success = $client->query ($flags, "text", \&cb)
1980		2762
1981	Queues a query to the client, calling the given callback with	2763	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>,	2764	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>.	2765	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2766
1985	Queries can fail, so check the return code. Or don't, as queries will become	2767	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2768	become reliable at some point in the future.
1987		2769
1988	=cut	2770	=cut
1989		2771
1990	sub cf::client::query {	2772	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2773	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2781	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2782	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2783
2002	$self->send_packet ($self->{query_queue}[0][0])	2784	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2785	if @{ $self->{query_queue} } == 1;
		2786
		2787	1
2004	}	2788	}
2005		2789
2006	cf::client->attach (	2790	cf::client->attach (
		2791	on_connect => sub {
		2792	my ($ns) = @_;
		2793
		2794	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2795	},
2007	on_reply => sub {	2796	on_reply => sub {
2008	my ($ns, $msg) = @_;	2797	my ($ns, $msg) = @_;
2009		2798
2010	# this weird shuffling is so that direct followup queries	2799	# this weird shuffling is so that direct followup queries
2011	# get handled first	2800	# get handled first
…		…
2023	} else {	2812	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2813	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2814	}
2026	}	2815	}
2027	},	2816	},
		2817	on_exticmd => sub {
		2818	my ($ns, $buf) = @_;
		2819
		2820	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2821
		2822	if (ref $msg) {
		2823	my ($type, $reply, @payload) =
		2824	"ARRAY" eq ref $msg
		2825	? @$msg
		2826	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2827
		2828	my @reply;
		2829
		2830	if (my $cb = $EXTICMD{$type}) {
		2831	@reply = $cb->($ns, @payload);
		2832	}
		2833
		2834	$ns->ext_reply ($reply, @reply)
		2835	if $reply;
		2836
		2837	} else {
		2838	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2839	}
		2840
		2841	cf::override;
		2842	},
2028	);	2843	);
2029		2844
2030	=item $client->async (\&cb)	2845	=item $client->async (\&cb)
2031		2846
2032	Create a new coroutine, running the specified callback. The coroutine will	2847	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2888	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2889	our $safe_hole = new Safe::Hole;
2075		2890
2076	$SIG{FPE} = 'IGNORE';	2891	$SIG{FPE} = 'IGNORE';
2077		2892
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2893	$safe->permit_only (Opcode::opset qw(
		2894	:base_core :base_mem :base_orig :base_math
		2895	grepstart grepwhile mapstart mapwhile
		2896	sort time
		2897	));
2079		2898
2080	# here we export the classes and methods available to script code	2899	# here we export the classes and methods available to script code
2081		2900
2082	=pod	2901	=pod
2083		2902
2084	The following fucntions and emthods are available within a safe environment:	2903	The following functions and methods are available within a safe environment:
2085		2904
2086	cf::object contr pay_amount pay_player map	2905	cf::object
		2906	contr pay_amount pay_player map x y force_find force_add destroy
		2907	insert remove name archname title slaying race decrease_ob_nr
		2908
2087	cf::object::player player	2909	cf::object::player
2088	cf::player peaceful	2910	player
2089	cf::map trigger	2911
		2912	cf::player
		2913	peaceful
		2914
		2915	cf::map
		2916	trigger
2090		2917
2091	=cut	2918	=cut
2092		2919
2093	for (	2920	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2922	insert remove inv name archname title slaying race
		2923	decrease_ob_nr destroy)],
2095	["cf::object::player" => qw(player)],	2924	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2925	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2926	["cf::map" => qw(trigger)],
2098	) {	2927	) {
2099	no strict 'refs';	2928	no strict 'refs';
…		…
2170	=back	2999	=back
2171		3000
2172	=cut	3001	=cut
2173		3002
2174	#############################################################################	3003	#############################################################################
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	3004	# the server's init and main functions
2284		3005
2285	sub load_resources {	3006	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3007	my ($path) = @_;
		3008
		3009	# HACK to clear player env face cache, we need some signal framework
		3010	# for this (global event?)
		3011	%ext::player_env::MUSIC_FACE_CACHE = ();
		3012
		3013	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3014
		3015	warn "loading facedata from $path\n";
		3016
		3017	my $facedata;
		3018	0 < aio_load $path, $facedata
		3019	or die "$path: $!";
		3020
		3021	$facedata = Coro::Storable::thaw $facedata;
		3022
		3023	$facedata->{version} == 2
		3024	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3025
		3026	# patch in the exptable
		3027	$facedata->{resource}{"res/exp_table"} = {
		3028	type => FT_RSRC,
		3029	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3030	};
		3031	cf::cede_to_tick;
		3032
		3033	{
		3034	my $faces = $facedata->{faceinfo};
		3035
		3036	while (my ($face, $info) = each %$faces) {
		3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3038	cf::face::set_visibility $idx, $info->{visibility};
		3039	cf::face::set_magicmap $idx, $info->{magicmap};
		3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3042
		3043	cf::cede_to_tick;
		3044	}
		3045
		3046	while (my ($face, $info) = each %$faces) {
		3047	next unless $info->{smooth};
		3048	my $idx = cf::face::find $face
		3049	or next;
		3050	if (my $smooth = cf::face::find $info->{smooth}) {
		3051	cf::face::set_smooth $idx, $smooth;
		3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3053	} else {
		3054	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3055	}
		3056
		3057	cf::cede_to_tick;
		3058	}
		3059	}
		3060
		3061	{
		3062	my $anims = $facedata->{animinfo};
		3063
		3064	while (my ($anim, $info) = each %$anims) {
		3065	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3066	cf::cede_to_tick;
		3067	}
		3068
		3069	cf::anim::invalidate_all; # d'oh
		3070	}
		3071
		3072	{
		3073	# TODO: for gcfclient pleasure, we should give resources
		3074	# that gcfclient doesn't grok a >10000 face index.
		3075	my $res = $facedata->{resource};
		3076
		3077	my $soundconf = delete $res->{"res/sound.conf"};
		3078
		3079	while (my ($name, $info) = each %$res) {
		3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3081	my $data;
		3082
		3083	if ($info->{type} & 1) {
		3084	# prepend meta info
		3085
		3086	my $meta = $enc->encode ({
		3087	name => $name,
		3088	%{ $info->{meta} || {} },
		3089	});
		3090
		3091	$data = pack "(w/a*)*", $meta, $info->{data};
		3092	} else {
		3093	$data = $info->{data};
		3094	}
		3095
		3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3097	cf::face::set_type $idx, $info->{type};
		3098
		3099	cf::cede_to_tick;
		3100	}
		3101
		3102	if ($soundconf) {
		3103	$soundconf = $enc->decode (delete $soundconf->{data});
		3104
		3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3106	my $sound = $soundconf->{compat}[$_]
		3107	or next;
		3108
		3109	my $face = cf::face::find "sound/$sound->[1]";
		3110	cf::sound::set $sound->[0] => $face;
		3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3112	}
		3113
		3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3115	my $face = cf::face::find "sound/$v";
		3116	cf::sound::set $k => $face;
		3117	}
		3118	}
		3119	}
		3120
		3121	1
		3122	}
		3123
		3124	register_exticmd fx_want => sub {
		3125	my ($ns, $want) = @_;
		3126
		3127	while (my ($k, $v) = each %$want) {
		3128	$ns->fx_want ($k, $v);
		3129	}
		3130	};
		3131
		3132	sub reload_regions {
		3133	# HACK to clear player env face cache, we need some signal framework
		3134	# for this (global event?)
		3135	%ext::player_env::MUSIC_FACE_CACHE = ();
		3136
		3137	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3138	or die "unable to load regions file\n";
2288	}
2289		3139
2290	sub cfg_load {	3140	for (cf::region::list) {
		3141	$_->{match} = qr/$_->{match}/
		3142	if exists $_->{match};
		3143	}
		3144	}
		3145
		3146	sub reload_facedata {
		3147	load_facedata "$DATADIR/facedata"
		3148	or die "unable to load facedata\n";
		3149	}
		3150
		3151	sub reload_archetypes {
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	#d# NEED to laod twice to resolve forward references
		3155	# this really needs to be done in an extra post-pass
		3156	# (which needs to be synchronous, so solve it differently)
		3157	load_resource_file "$DATADIR/archetypes"
		3158	or die "unable to load archetypes\n";
		3159	}
		3160
		3161	sub reload_treasures {
		3162	load_resource_file "$DATADIR/treasures"
		3163	or die "unable to load treasurelists\n";
		3164	}
		3165
		3166	sub reload_resources {
		3167	warn "reloading resource files...\n";
		3168
		3169	reload_regions;
		3170	reload_facedata;
		3171	#reload_archetypes;#d#
		3172	reload_archetypes;
		3173	reload_treasures;
		3174
		3175	warn "finished reloading resource files\n";
		3176	}
		3177
		3178	sub init {
		3179	reload_resources;
		3180	}
		3181
		3182	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3183	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3184	or return;
2293		3185
2294	local $/;	3186	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3187	*CFG = YAML::Syck::Load <$fh>;
2296		3188
…		…
2306	};	3198	};
2307	warn $@ if $@;	3199	warn $@ if $@;
2308	}	3200	}
2309	}	3201	}
2310		3202
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3203	sub main {
2316	# we must not ever block the main coroutine	3204	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3205	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3207	(async {
		3208	$Coro::current->{desc} = "IDLE BUG HANDLER";
2320	Event::one_event;	3209	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3210	})->prio (Coro::PRIO_MAX);
2322	};	3211	};
2323		3212
2324	cfg_load;	3213	reload_config;
2325	db_load;	3214	db_init;
2326	load_extensions;	3215	load_extensions;
2327		3216
2328	$TICK_WATCHER->start;	3217	$TICK_WATCHER->start;
2329	Event::loop;	3218	Event::loop;
2330	}	3219	}
…		…
2345	},	3234	},
2346	);	3235	);
2347	}	3236	}
2348	}	3237	}
2349		3238
		3239	sub write_runtime {
		3240	my $runtime = "$LOCALDIR/runtime";
		3241
		3242	# first touch the runtime file to show we are still running:
		3243	# the fsync below can take a very very long time.
		3244
		3245	IO::AIO::aio_utime $runtime, undef, undef;
		3246
		3247	my $guard = cf::lock_acquire "write_runtime";
		3248
		3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3250	or return;
		3251
		3252	my $value = $cf::RUNTIME + 90 + 10;
		3253	# 10 is the runtime save interval, for a monotonic clock
		3254	# 60 allows for the watchdog to kill the server.
		3255
		3256	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3257	and return;
		3258
		3259	# always fsync - this file is important
		3260	aio_fsync $fh
		3261	and return;
		3262
		3263	# touch it again to show we are up-to-date
		3264	aio_utime $fh, undef, undef;
		3265
		3266	close $fh
		3267	or return;
		3268
		3269	aio_rename "$runtime~", $runtime
		3270	and return;
		3271
		3272	warn "runtime file written.\n";
		3273
		3274	1
		3275	}
		3276
2350	sub emergency_save() {	3277	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3278	my $freeze_guard = cf::freeze_mainloop;
2352		3279
2353	warn "enter emergency perl save\n";	3280	warn "enter emergency perl save\n";
2354		3281
…		…
2358	# and maps saved/destroyed asynchronously.	3285	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3286	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3287	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3288	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3289	$pl->valid or next;
		3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3291	$pl->save;
2364	}	3292	}
2365	warn "end emergency player save\n";	3293	warn "end emergency player save\n";
2366		3294
2367	warn "begin emergency map save\n";	3295	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3297	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3298	$map->valid or next;
2371	$map->save;	3299	$map->save;
2372	}	3300	}
2373	warn "end emergency map save\n";	3301	warn "end emergency map save\n";
		3302
		3303	warn "begin emergency database checkpoint\n";
		3304	BDB::db_env_txn_checkpoint $DB_ENV;
		3305	warn "end emergency database checkpoint\n";
2374	};	3306	};
2375		3307
2376	warn "leave emergency perl save\n";	3308	warn "leave emergency perl save\n";
2377	}	3309	}
2378		3310
		3311	sub post_cleanup {
		3312	my ($make_core) = @_;
		3313
		3314	warn Carp::longmess "post_cleanup backtrace"
		3315	if $make_core;
		3316	}
		3317
2379	sub reload() {	3318	sub do_reload_perl() {
2380	# can/must only be called in main	3319	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3320	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3321	warn "can only reload from main coroutine";
2383	return;	3322	return;
2384	}	3323	}
2385		3324
2386	warn "reloading...";	3325	warn "reloading...";
2387		3326
2388	warn "cancelling server ticker";	3327	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3328
		3329	cf::sync_job {
		3330	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3331	cf::emergency_save;
		3332	cf::write_runtime; # external watchdog should not bark
2392		3333
2393	eval {	3334	warn "syncing database to disk";
		3335	BDB::db_env_txn_checkpoint $DB_ENV;
		3336
2394	# if anything goes wrong in here, we should simply crash as we already saved	3337	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3338
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3339	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3340	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3341	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3342	}
2403		3343
2404	warn "flushing outstanding aio requests";	3344	warn "flushing outstanding aio requests";
2405	for (;;) {	3345	for (;;) {
		3346	BDB::flush;
2406	IO::AIO::flush;	3347	IO::AIO::flush;
2407	Coro::cede;	3348	Coro::cede;
2408	last unless IO::AIO::nreqs;	3349	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3350	warn "iterate...";
2410	}	3351	}
		3352
		3353	++$RELOAD;
2411		3354
2412	warn "cancelling all extension coros";	3355	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3356	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3357	%EXT_CORO = ();
2415		3358
2416	warn "removing commands";	3359	warn "removing commands";
2417	%COMMAND = ();	3360	%COMMAND = ();
2418		3361
2419	warn "removing ext commands";	3362	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3363	%EXTCMD = ();
		3364	%EXTICMD = ();
2421		3365
2422	warn "unloading/nuking all extensions";	3366	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3367	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3368	warn "... unloading $pkg";
2425		3369
…		…
2455	Symbol::delete_package "safe::$_"	3399	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3400	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3401
2458	warn "unloading cf.pm \"a bit\"";	3402	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3403	delete $INC{"cf.pm"};
		3404	delete $INC{"cf/pod.pm"};
2460		3405
2461	# don't, removes xs symbols, too,	3406	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3407	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3408	#Symbol::delete_package __PACKAGE__;
2464		3409
…		…
2467	warn "reloading cf.pm";	3412	warn "reloading cf.pm";
2468	require cf;	3413	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3415
2471	warn "loading config and database again";	3416	warn "loading config and database again";
2472	cf::cfg_load;	3417	cf::reload_config;
2473	cf::db_load;
2474		3418
2475	warn "loading extensions";	3419	warn "loading extensions";
2476	cf::load_extensions;	3420	cf::load_extensions;
2477		3421
2478	warn "reattaching attachments to objects/players";	3422	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3423	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3424	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3425	reattach $_ for values %MAP;
		3426	warn "reattaching attachments to players";
		3427	reattach $_ for values %PLAYER;
2482		3428
2483	warn "loading reloadable resources";	3429	warn "leaving sync_job";
2484	load_resources;
2485		3430
2486	warn "restarting server ticker";	3431	1
2487		3432	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3433	warn $@;
2493	warn "error while reloading, exiting.";	3434	warn "error while reloading, exiting.";
2494	exit 1;	3435	exit 1;
2495	}	3436	};
2496		3437
2497	warn "reloaded";	3438	warn "reloaded";
2498	};	3439	};
2499		3440
2500	our $RELOAD_WATCHER; # used only during reload	3441	our $RELOAD_WATCHER; # used only during reload
2501		3442
		3443	sub reload_perl() {
		3444	# doing reload synchronously and two reloads happen back-to-back,
		3445	# coro crashes during coro_state_free->destroy here.
		3446
		3447	$RELOAD_WATCHER ||= Event->timer (
		3448	reentrant => 0,
		3449	after => 0,
		3450	data => WF_AUTOCANCEL,
		3451	cb => sub {
		3452	do_reload_perl;
		3453	undef $RELOAD_WATCHER;
		3454	},
		3455	);
		3456	}
		3457
2502	register_command "reload" => sub {	3458	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3459	my ($who, $arg) = @_;
2504		3460
2505	if ($who->flag (FLAG_WIZ)) {	3461	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3462	$who->message ("reloading server.");
2507		3463	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3464	$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;	3465	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3466	};
2520	}	3467	}
2521	};	3468	};
2522		3469
2523	unshift @INC, $LIBDIR;	3470	unshift @INC, $LIBDIR;
2524		3471
2525	my $bug_warning = 0;	3472	my $bug_warning = 0;
		3473
		3474	our @WAIT_FOR_TICK;
		3475	our @WAIT_FOR_TICK_BEGIN;
		3476
		3477	sub wait_for_tick {
		3478	return unless $TICK_WATCHER->is_active;
		3479	return if $Coro::current == $Coro::main;
		3480
		3481	my $signal = new Coro::Signal;
		3482	push @WAIT_FOR_TICK, $signal;
		3483	$signal->wait;
		3484	}
		3485
		3486	sub wait_for_tick_begin {
		3487	return unless $TICK_WATCHER->is_active;
		3488	return if $Coro::current == $Coro::main;
		3489
		3490	my $signal = new Coro::Signal;
		3491	push @WAIT_FOR_TICK_BEGIN, $signal;
		3492	$signal->wait;
		3493	}
2526		3494
2527	$TICK_WATCHER = Event->timer (	3495	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3496	reentrant => 0,
2529	parked => 1,	3497	parked => 1,
2530	prio => 0,	3498	prio => 0,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3504	unless ++$bug_warning > 10;
2537	return;	3505	return;
2538	}	3506	}
2539		3507
2540	$NOW = Event::time;	3508	$NOW = $tick_start = Event::time;
2541		3509
2542	cf::server_tick; # one server iteration	3510	cf::server_tick; # one server iteration
		3511
2543	$RUNTIME += $TICK;	3512	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3513	$NEXT_TICK += $TICK;
2545		3514
2546	$WAIT_FOR_TICK->broadcast;	3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3516	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3517	Coro::async_pool {
2549	Event::sweep;	3518	$Coro::current->{desc} = "runtime saver";
2550	Coro::cede_notself;	3519	write_runtime
		3520	or warn "ERROR: unable to write runtime file: $!";
		3521	};
2551		3522	}
2552	# my $AFTER = Event::time;	3523
2553	# warn $AFTER - $NOW;#d#	3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3525	$sig->send;
		3526	}
		3527	while (my $sig = shift @WAIT_FOR_TICK) {
		3528	$sig->send;
		3529	}
		3530
		3531	$NOW = Event::time;
2554		3532
2555	# if we are delayed by four ticks or more, skip them all	3533	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3535
2558	$TICK_WATCHER->at ($NEXT_TICK);	3536	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3537	$TICK_WATCHER->start;
		3538
		3539	$LOAD = ($NOW - $tick_start) / $TICK;
		3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3541
		3542	_post_tick;
2560	},	3543	},
2561	);	3544	);
2562		3545
2563	{	3546	{
		3547	BDB::min_parallel 8;
2564	BDB::max_poll_time $TICK * 0.1;	3548	BDB::max_poll_time $TICK * 0.1;
2565	$BDB_POLL_WATCHER = Event->io (	3549	$BDB_POLL_WATCHER = Event->io (
2566	reentrant => 0,	3550	reentrant => 0,
2567	fd => BDB::poll_fileno,	3551	fd => BDB::poll_fileno,
2568	poll => 'r',	3552	poll => 'r',
2569	prio => 0,	3553	prio => 0,
2570	data => WF_AUTOCANCEL,	3554	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,	3555	cb => \&BDB::poll_cb,
2572	);	3556	);
2573	BDB::min_parallel 8;
2574		3557
2575	BDB::set_sync_prepare {	3558	BDB::set_sync_prepare {
2576	my $status;	3559	my $status;
2577	my $current = $Coro::current;	3560	my $current = $Coro::current;
2578	(	3561	(
…		…
2587	)	3570	)
2588	};	3571	};
2589		3572
2590	unless ($DB_ENV) {	3573	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3574	$DB_ENV = BDB::db_env_create;
		3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3576	| BDB::LOG_AUTOREMOVE, 1);
		3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3579
2593	cf::sync_job {	3580	cf::sync_job {
		3581	eval {
2594	BDB::db_env_open	3582	BDB::db_env_open
2595	$DB_ENV,	3583	$DB_ENV,
2596	$BDB_ENV_DIR,	3584	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3587	0666;
2600		3588
2601	cf::cleanup "$!" if $!;	3589	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3590	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3591
2604	$DB_ENV->set_lk_detect;	3592	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3593	};
2606	}	3594	}
		3595
		3596	$BDB_DEADLOCK_WATCHER = Event->timer (
		3597	after => 3,
		3598	interval => 1,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3607	after => 11,
		3608	interval => 60,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3614	},
		3615	);
		3616	$BDB_TRICKLE_WATCHER = Event->timer (
		3617	after => 5,
		3618	interval => 10,
		3619	hard => 1,
		3620	prio => 0,
		3621	data => WF_AUTOCANCEL,
		3622	cb => sub {
		3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3624	},
		3625	);
2607	}	3626	}
2608		3627
2609	{	3628	{
2610	IO::AIO::min_parallel 8;	3629	IO::AIO::min_parallel 8;
2611		3630
2612	undef $Coro::AIO::WATCHER;	3631	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3632	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3633	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3634	reentrant => 0,
		3635	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3636	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3637	poll => 'r',
2618	prio => 6,	3638	prio => 0,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3639	cb => \&IO::AIO::poll_cb,
2621	);	3640	);
2622	}	3641	}
2623		3642
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3643	my $_log_backtrace;
2625	reentrant => 0,	3644
2626	data => WF_AUTOCANCEL,	3645	sub _log_backtrace {
2627	after => 1,	3646	my ($msg, @addr) = @_;
2628	interval => 10,	3647
2629	prio => 6, # keep it lowest so it acts like a watchdog	3648	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3649
2631	write_runtime	3650	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3651	if ($_log_backtrace < 2) {
		3652	++$_log_backtrace;
		3653	async {
		3654	$Coro::current->{desc} = "abt $msg";
		3655
		3656	my @bt = fork_call {
		3657	@addr = map { sprintf "%x", $_ } @addr;
		3658	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3659	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3660	or die "addr2line: $!";
		3661
		3662	my @funcs;
		3663	my @res = <$fh>;
		3664	chomp for @res;
		3665	while (@res) {
		3666	my ($func, $line) = splice @res, 0, 2, ();
		3667	push @funcs, "[$func] $line";
		3668	}
		3669
		3670	@funcs
		3671	};
		3672
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] $_\n" for @bt;
		3675	--$_log_backtrace;
		3676	};
		3677	} else {
		3678	LOG llevInfo, "[ABT] $msg\n";
		3679	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3680	}
2634	);	3681	}
		3682
		3683	# load additional modules
		3684	use cf::pod;
2635		3685
2636	END { cf::emergency_save }	3686	END { cf::emergency_save }
2637		3687
2638	1	3688	1
2639		3689

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