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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC vs.
Revision 1.389 by root, Sat Oct 20 04:39:57 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 3.4 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	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
101	every server tick.	136	every server tick.
102		137
103	=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
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	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.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	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
124	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
125	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.
126	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.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		206
151	# 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
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$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;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	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
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($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#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$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;
271	}	397	}
272		398
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	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)
286	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
287	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.
288		415
289	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
290	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
291	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
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
317	Coro::cede or Event::one_event;	452	Event::one_event;
318	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
319		462
320	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
321	} else {	464	} else {
322	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
323		466
…		…
343	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
344		487
345	$coro	488	$coro
346	}	489	}
347		490
348	sub write_runtime {	491	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		492
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
352	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
353		497
354	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		499
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
359	and return;	501	my ($cb, @args) = @_;
360		502
361	aio_fsync $fh	503	# we seemingly have to make a local copy of the whole thing,
362	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
363		506
364	close $fh	507	my @res = Coro::Util::fork_eval {
365	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
366		511
367	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
368	and return;	513	}
369		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
370	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	651	}
372		652
373	=back	653	=back
374		654
375	=cut	655	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
384		664
385	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	667	Crossfire TRT).
388		668
389	=over 4	669	=over 4
390		670
391	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
392		672
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
556		836
557	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		841
562	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	843	my $pkg = shift @arg;
564		844
565	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
595	}	875	}
596		876
597	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
598	} else {	878	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	880	}
601		881
602	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
603	}	883	}
604		884
…		…
606	if (ref $_[0]) {	886	if (ref $_[0]) {
607	_object_attach @_;	887	_object_attach @_;
608	} else {	888	} else {
609	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
610	}	890	}
		891	_recalc_want;
611	};	892	};
612		893
613	# all those should be optimised	894	# all those should be optimised
614	sub cf::attachable::detach {	895	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
619	reattach ($obj);	900	reattach ($obj);
620	} else {	901	} else {
621	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
622	}	903	}
		904	_recalc_want;
623	};	905	};
624		906
625	sub cf::attachable::attached {	907	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
627		909
…		…
642	";	924	";
643	die if $@;	925	die if $@;
644	}	926	}
645		927
646	our $override;	928	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		930
649	sub override {	931	sub override {
650	$override = 1;	932	$override = 1;
651	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
652	}	934	}
653		935
654	sub do_invoke {	936	sub do_invoke {
655	my $event = shift;	937	my $event = shift;
656	my $callbacks = shift;	938	my $callbacks = shift;
657		939
658	@invoke_results = ();	940	@INVOKE_RESULTS = ();
659		941
660	local $override;	942	local $override;
661		943
662	for (@$callbacks) {	944	for (@$callbacks) {
663	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
680		962
681	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
682		964
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		968
687	=back	969	=back
688		970
689	=cut	971	=cut
690		972
691	#############################################################################	973	#############################################################################
692	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
693		1017
694	sub reattach {	1018	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1020	my ($obj) = @_;
697		1021
…		…
744	sub object_freezer_save {	1068	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
746		1070
747	sync_job {	1071	sync_job {
748	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
751		1076
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1081	close $fh;
757		1082
758	if (@$objs) {	1083	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1089	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
766	}	1091	}
767	} else {	1092	} else {
768	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
774	}	1099	}
775	} else {	1100	} else {
776	aio_unlink $filename;	1101	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
778	}	1103	}
779	}	1104	};
780	}	1105	}
781		1106
782	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
784		1109
…		…
796	or return;	1121	or return;
797		1122
798	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
800	or return;	1125	or return;
		1126
801	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
802	}	1129	}
803		1130
		1131	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
806	return ($data, $av);	1135	($data, $av)
807	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
808		1143
809	#############################################################################	1144	#############################################################################
810	# command handling &c	1145	# command handling &c
811		1146
812	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1161	}
827		1162
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1164
830	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
831		1170
832	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
833	called.	1172	called.
834		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
835	=cut	1185	=cut
836		1186
837	sub register_extcmd {	1187	sub register_extcmd {
838	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
839		1189
840	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
841	}	1197	}
842		1198
843	cf::player->attach (	1199	cf::player->attach (
844	on_command => sub {	1200	on_command => sub {
845	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1210	cf::override;
855	},	1211	},
856	on_extcmd => sub {	1212	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
858		1214
859	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1216
861	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
867	} else {	1232	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1234	}
870		1235
871	cf::override;	1236	cf::override;
872	},	1237	},
873	);	1238	);
874		1239
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
910	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1245	next unless -r $path;
912	eval {	1246
913	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
914	1	1304	}
915	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
916	}	1310	};
917	}	1311	}
918		1312
919	#############################################################################	1313	#############################################################################
920		1314
		1315	=back
		1316
921	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
922		1318
923	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
924		1320
925	=cut	1321	=cut
…		…
930		1326
931	=head3 cf::player	1327	=head3 cf::player
932		1328
933	=over 4	1329	=over 4
934		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
935	=item cf::player::find $login	1345	=item cf::player::find $login
936		1346
937	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
938		1348
939	=cut	1349	=cut
940		1350
941	sub playerdir($) {	1351	sub playerdir($) {
942	cf::localdir	1352	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1354	}
948		1355
949	sub path($) {	1356	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1358
952	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
953	}	1360	}
954		1361
955	sub find_active($) {	1362	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1377	my $login = $_[0];
971		1378
972	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
973		1380
974	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
976	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
978	}	1397	}
979	}	1398	}
980	}	1399	}
981		1400
…		…
991		1410
992	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
994		1413
995	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
996	Coro::cede;	1415	cf::cede_to_tick;
997	}	1416	}
998		1417
999	sub new($) {	1418	sub new($) {
1000	my ($login) = @_;	1419	my ($login) = @_;
1001		1420
…		…
1007	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1008		1427
1009	$self	1428	$self
1010	}	1429	}
1011		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1012	=item $pl->quit_character	1441	=item $pl->quit_character
1013		1442
1014	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1016		1445
1017	=cut	1446	=cut
1018		1447
1019	sub quit_character {	1448	sub quit_character {
1020	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1021		1452
1022	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1455
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1035	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1036	}	1487	}
1037		1488
1038	=item cf::player::list_logins	1489	=item cf::player::list_logins
1039		1490
1040	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1042		1493
1043	=cut	1494	=cut
1044		1495
1045	sub list_logins {	1496	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1498	or return [];
1048		1499
1049	my @logins;	1500	my @logins;
1050		1501
1051	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1055		1511
1056	utf8::decode $login;	1512	utf8::decode $login;
1057	push @logins, $login;	1513	push @logins, $login;
1058	}	1514	}
1059		1515
…		…
1067		1523
1068	=cut	1524	=cut
1069		1525
1070	sub maps($) {	1526	sub maps($) {
1071	my ($pl) = @_;	1527	my ($pl) = @_;
		1528
		1529	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1530
1073	my $files = aio_readdir playerdir $pl	1531	my $files = aio_readdir playerdir $pl
1074	or return;	1532	or return;
1075		1533
1076	my @paths;	1534	my @paths;
…		…
1078	for (@$files) {	1536	for (@$files) {
1079	utf8::decode $_;	1537	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1538	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1539	next unless /^$PATH_SEP/o;
1082		1540
1083	s/\.map$//;	1541	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1542	}
1086		1543
1087	\@paths	1544	\@paths
1088	}	1545	}
1089		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1091		1599
1092	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1093		1601
1094	=cut	1602	=cut
1095		1603
1096	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1098		1606
1099	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1608	}
1103		1609
1104	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1105		1650
1106	=back	1651	=back
1107
1108		1652
1109	=head3 cf::map	1653	=head3 cf::map
1110		1654
1111	=over 4	1655	=over 4
1112		1656
…		…
1167	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1168		1712
1169	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1170	local $self->{path};	1714	local $self->{path};
1171	local $self->{load_path};	1715	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1716
1175	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1176	}	1718	}
1177		1719
1178	sub normalise {	1720	sub normalise {
1179	my ($path, $base) = @_;	1721	my ($path, $base) = @_;
		1722
		1723	$path = "$path"; # make sure its a string
		1724
		1725	$path =~ s/\.map$//;
1180		1726
1181	# map plan:	1727	# map plan:
1182	#	1728	#
1183	# /! non-realised random map exit (special hack!)	1729	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1730	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1222	return $self;	1768	return $self;
1223	}	1769	}
1224	}	1770	}
1225		1771
1226	Carp::carp "unable to resolve path '$path'.";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1773	()
1228	}	1774	}
1229		1775
1230	sub init {	1776	sub init {
1231	my ($self) = @_;	1777	my ($self) = @_;
…		…
1246		1792
1247	# the original (read-only) location	1793	# the original (read-only) location
1248	sub load_path {	1794	sub load_path {
1249	my ($self) = @_;	1795	my ($self) = @_;
1250		1796
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1252	}	1798	}
1253		1799
1254	# the temporary/swap location	1800	# the temporary/swap location
1255	sub save_path {	1801	sub save_path {
1256	my ($self) = @_;	1802	my ($self) = @_;
1257		1803
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1260	}	1806	}
1261		1807
1262	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1263	sub uniq_path {	1809	sub uniq_path {
1264	my ($self) = @_;	1810	my ($self) = @_;
1265		1811
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1268	}	1814	}
1269		1815
1270	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1271	# all maps in C++...	1817	# all maps in C++...
1272	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1274		1820
1275	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1277	}	1823	}
1278		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1279	sub unlink_save {	1833	sub unlink_save {
1280	my ($self) = @_;	1834	my ($self) = @_;
1281		1835
1282	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1840
1287	sub load_header_from($) {	1841	sub load_header_from($) {
1288	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1289		1843
1290	utf8::encode $path;	1844	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1292	or return;	1846	or return;
1293		1847
1294	$self->_load_header ($path)	1848	$self->_load_header ($f)
1295	or return;	1849	or return;
1296		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
		1853
1297	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1298		1855
1299	1	1856	1
1300	}	1857	}
1301		1858
1302	sub load_orig {	1859	sub load_header_orig {
1303	my ($self) = @_;	1860	my ($self) = @_;
1304		1861
1305	$self->load_header_from ($self->load_path)	1862	$self->load_header_from ($self->load_path)
1306	}	1863	}
1307		1864
1308	sub load_temp {	1865	sub load_header_temp {
1309	my ($self) = @_;	1866	my ($self) = @_;
1310		1867
1311	$self->load_header_from ($self->save_path)	1868	$self->load_header_from ($self->save_path)
		1869	}
		1870
		1871	sub prepare_temp {
		1872	my ($self) = @_;
		1873
		1874	$self->last_access ((delete $self->{last_access})
		1875	|| $cf::RUNTIME); #d#
		1876	# safety
		1877	$self->{instantiate_time} = $cf::RUNTIME
		1878	if $self->{instantiate_time} > $cf::RUNTIME;
		1879	}
		1880
		1881	sub prepare_orig {
		1882	my ($self) = @_;
		1883
		1884	$self->{load_original} = 1;
		1885	$self->{instantiate_time} = $cf::RUNTIME;
		1886	$self->last_access ($cf::RUNTIME);
		1887	$self->instantiate;
1312	}	1888	}
1313		1889
1314	sub load_header {	1890	sub load_header {
1315	my ($self) = @_;	1891	my ($self) = @_;
1316		1892
1317	if ($self->load_temp) {	1893	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	1894	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	1895	} else {
1324	$self->load_orig	1896	$self->load_header_orig
1325	or return;	1897	or return;
1326		1898	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	1899	}
		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
1332		1906
1333	1	1907	1
1334	}	1908	}
1335		1909
1336	sub find;	1910	sub find;
1337	sub find {	1911	sub find {
1338	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1339		1913
1340	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1341		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1342	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1343		1918
1344	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1345	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1346	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1347	or return;	1924	or return;
1348		1925
1349	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1350		1927
1351	$map->load_header	1928	$map->load_header
1352	or return;	1929	or return;
1353		1930
1354	if ($map->should_reset) {	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1357	$map->reset;	1936	$map->reset;
1358	undef $guard;
1359	$map = find $path	1937	return find $path;
1360	or return;
1361	}	1938	}
1362		1939
1363	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1364	}	1941	}
1365	}	1942	}
		1943
		1944	sub pre_load { }
		1945	sub post_load { }
1366		1946
1367	sub load {	1947	sub load {
1368	my ($self) = @_;	1948	my ($self) = @_;
1369		1949
		1950	local $self->{deny_reset} = 1; # loading can take a long time
		1951
1370	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1371	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1372		1956
		1957	return unless $self->valid;
1373	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1374		1959
1375	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1376		1961
1377	$self->alloc;	1962	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)	1963
		1964	$self->pre_load;
		1965	cf::cede_to_tick;
		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1379	or return;	1970	or return;
1380		1971
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1382	if delete $self->{load_original};	1973	if delete $self->{load_original};
1383		1974
1384	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;	1976	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1387	$self->clear_unique_items;	1979	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1389	}	1983	}
1390	}	1984	}
1391		1985
1392	Coro::cede;	1986	$f->resolve_delayed_derefs;
1393		1987
		1988	cf::cede_to_tick;
1394	# now do the right thing for maps	1989	# now do the right thing for maps
1395	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;
1402	$self->set_darkness_map;
1403	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	1992	unless $self->difficulty;
1405	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1406	$self->activate;	2002	$self->activate;
1407	}	2003	}
1408		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
1409	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
		2009	}
		2010
		2011	$self->post_load;
1410	}	2012	}
1411		2013
1412	sub customise_for {	2014	sub customise_for {
1413	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1414		2016
1415	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	2018	if $self->per_player;
1417		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1418	$self	2023	$self
1419	}	2024	}
1420		2025
1421	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1422	sub load_diag {	2027	sub load_neighbours {
1423	my ($map) = @_;	2028	my ($map) = @_;
1424		2029
1425	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1426		2031
1427	for (0 .. 3) {	2032	for (0 .. 3) {
1428	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1429	or next;	2034	or next;
1430	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1431	or next;	2036	or next;
1432	$neigh->load;	2037	$neigh->load;
1433		2038
		2039	push @neigh,
1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1436	}	2042	}
1437		2043
1438	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1439	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1440	or next;	2047	or next;
1441	$neigh->load;	2048	$neigh->load;
1442	}	2049	}
1443	}	2050	}
1444		2051
…		…
1449	}	2056	}
1450		2057
1451	sub do_load_sync {	2058	sub do_load_sync {
1452	my ($map) = @_;	2059	my ($map) = @_;
1453		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1454	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1455	}	2065	}
1456		2066
1457	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1458	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1459		2069
1460	sub find_async {	2070	sub find_async {
1461	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1462		2072
1463	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1464		2074
1465	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	2077	}
1468		2078
1469	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1470	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1471	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1472	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1473	my $map = find $path	2086	if (my $map = find $k) {
1474	or next;
1475	$map->load;	2087	$map->load if $v;
		2088	}
1476		2089
1477	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1478	}	2091	}
1479	}	2092	}
1480	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1481	};	2094	};
		2095	$MAP_PREFETCHER->prio (6);
1482		2096
1483	()	2097	()
1484	}	2098	}
1485		2099
1486	sub save {	2100	sub save {
1487	my ($self) = @_;	2101	my ($self) = @_;
1488		2102
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2104
1491	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1492		2106
1493	return unless $self->dirty;	2107	return unless $self->dirty;
1494		2108
…		…
1500	return if $self->{deny_save};	2114	return if $self->{deny_save};
1501		2115
1502	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1503		2117
1504	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1506	};	2121	};
1507		2122
1508	if ($uniq) {	2123	if ($uniq) {
1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1517	my ($self) = @_;	2132	my ($self) = @_;
1518		2133
1519	# save first because save cedes	2134	# save first because save cedes
1520	$self->save;	2135	$self->save;
1521		2136
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2138
1524	return if $self->players;	2139	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1526	return if $self->{deny_save};	2141	return if $self->{deny_save};
1527		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2147	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2148	}
1531		2149
1532	sub reset_at {	2150	sub reset_at {
1533	my ($self) = @_;	2151	my ($self) = @_;
1534		2152
1535	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1538		2155
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2158
…		…
1552	my ($self) = @_;	2169	my ($self) = @_;
1553		2170
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		2172
1556	return if $self->players;	2173	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		2174
1559	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
		2176
		2177	$self->in_memory (cf::MAP_SWAPPED);
		2178
		2179	# need to save uniques path
		2180	unless ($self->{deny_save}) {
		2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2182
		2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2184	if $uniq;
		2185	}
1560		2186
1561	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1562		2188
1563	$self->in_memory (cf::MAP_SWAPPED);	2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1564	$self->clear;	2191	$self->clear;
1565
1566	$_->clear_links_to ($self) for values %cf::MAP;
1567		2192
1568	$self->unlink_save;	2193	$self->unlink_save;
1569	$self->destroy;	2194	$self->destroy;
1570	}	2195	}
1571		2196
1572	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1573		2198
1574	sub nuke {	2199	sub nuke {
1575	my ($self) = @_;	2200	my ($self) = @_;
1576		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1577	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1578		2206
1579	$self->unlink_save;	2207	$self->unlink_save;
1580		2208
1581	bless $self, "cf::map";	2209	bless $self, "cf::map";
1582	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1583	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1584	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1586		2214
1587	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1588		2217
1589	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1590	}	2255	}
1591		2256
1592	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1593		2258
1594	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2260	instantiated unique items. May block.
1596		2261
1597	=cut	2262	=cut
1598		2263
1599	sub unique_maps() {	2264	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1601	or return;	2266	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2267	utf8::decode $_;
1607	next if /\.pst$/;
1608	next unless /^$PATH_SEP/o;
1609
1610	s/\.map$//;	2268	/\.map$/
1611	push @paths, $_;	2269	? normalise $_
		2270	: ()
		2271	} @{ aio_readdir $UNIQUEDIR or [] }
1612	}	2272	]
1613
1614	\@paths
1615	}	2273	}
1616		2274
1617	package cf;	2275	package cf;
1618		2276
1619	=back	2277	=back
…		…
1637	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1638	}	2296	}
1639		2297
1640	sub inv_recursive {	2298	sub inv_recursive {
1641	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1642	}	2328	}
1643		2329
1644	package cf;	2330	package cf;
1645		2331
1646	=back	2332	=back
…		…
1665		2351
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2353
1668	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1670	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1671	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1673	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1674	}	2379	}
1675		2380
1676	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1677		2382
1678	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1710	=cut	2415	=cut
1711		2416
1712	sub link_map {	2417	sub link_map {
1713	unless ($LINK_MAP) {	2418	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2419	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2420	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2421	$LINK_MAP->load;
1717	}	2422	}
1718		2423
1719	$LINK_MAP	2424	$LINK_MAP
1720	}	2425	}
…		…
1725	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1726		2431
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2433
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1731		2436
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	2438	}
1734		2439
1735	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1737		2444
1738	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1739		2446
1740	unless ($map) {	2447	unless ($map) {
1741	# restore original map position	2448	# restore original map position
…		…
1755	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1756	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1757	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1758		2465
1759	$map->load;	2466	$map->load;
1760	$map->load_diag;	2467	$map->load_neighbours;
1761		2468
1762	return unless $self->contr->active;	2469	return unless $self->contr->active;
1763	$self->activate_recursive;	2470	$self->activate_recursive;
		2471
		2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1765	}	2474	}
1766		2475
1767	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1768	on_logout => sub {
1769	my ($pl) = @_;
1770		2477
1771	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1772	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1773	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1774	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1775	};	2482	be called at the end of this process.
1776	}
1777	},
1778	on_login => sub {
1779	my ($pl) = @_;
1780		2483
1781	# try to abort aborted map switching on player login :)
1782	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798
1799	=item $player_object->goto ($path, $x, $y)
1800
1801	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1802		2487
1803	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1804	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805		2493
1806	$self->enter_link;	2494	$self->enter_link;
1807		2495
1808	(async {	2496	(async {
1809	my $map = cf::map::find $path;	2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
		2518	my $map = eval {
		2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
1811		2523	$map = $check->($map) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2524	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
1816		2527
		2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
		2534	}
		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1818	})->prio (1);	2542	})->prio (1);
1819	}	2543	}
1820		2544
1821	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1822		2546
…		…
1851	# that depends on the exit object	2575	# that depends on the exit object
1852		2576
1853	my $rmp = parse_random_map_params $exit->msg;	2577	my $rmp = parse_random_map_params $exit->msg;
1854		2578
1855	if ($exit->map) {	2579	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2580	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2581	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2582	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2583	$rmp->{origin_y} = $exit->y;
1860	}	2584	}
1861		2585
1862	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1863		2587
1864	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1865	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1867		2591
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2594	undef $fh;
1871	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
1878	sub cf::object::player::enter_exit {	2602	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2603	my ($self, $exit) = @_;
1880		2604
1881	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1882		2606
		2607	if ($exit->slaying eq "/!") {
		2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
		2611	cf::sync_job { prepare_random_map $exit };
		2612	}
		2613
		2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2615	my $hp = $exit->stats->hp;
		2616	my $sp = $exit->stats->sp;
		2617
1883	$self->enter_link;	2618	$self->enter_link;
1884		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1885	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1886	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1887	unless (eval {	2628	unless (eval {
1888	prepare_random_map $exit	2629	$self->goto ($slaying, $hp, $sp);
1889	if $exit->slaying eq "/!";
1890
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1893		2630
1894	1;	2631	1;
1895	}) {	2632	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1898	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2637
1901	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2639	$self->leave_link;
1903	}	2640	}
1904	})->prio (1);	2641	})->prio (1);
…		…
1917		2654
1918	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1920		2657
1921	utf8::encode $text;	2658	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2660	}
1924		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	);
		2697
		2698	sub cf::client::send_msg {
		2699	my ($self, $channel, $msg, $color, @extra) = @_;
		2700
		2701	$msg = $self->pl->expand_cfpod ($msg);
		2702
		2703	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2704
		2705	# check predefined channels, for the benefit of C
		2706	if ($CHANNEL{$channel}) {
		2707	$channel = $CHANNEL{$channel};
		2708
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711
		2712	$channel = $channel->{id};
		2713
		2714	} elsif (ref $channel) {
		2715	# send meta info to client, if not yet sent
		2716	unless (exists $self->{channel}{$channel->{id}}) {
		2717	$self->{channel}{$channel->{id}} = $channel;
		2718	$self->ext_msg (channel_info => $channel)
		2719	if $self->can_msg;
		2720	}
		2721
		2722	$channel = $channel->{id};
		2723	}
		2724
		2725	return unless @extra || length $msg;
		2726
		2727	if ($self->can_msg) {
		2728	# default colour, mask it out
		2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2730	if $color & cf::NDI_DEF;
		2731
		2732	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2734	} else {
		2735	if ($color >= 0) {
		2736	# replace some tags by gcfclient-compatible ones
		2737	for ($msg) {
		2738	1 while
		2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2744	}
		2745
		2746	$color &= cf::NDI_COLOR_MASK;
		2747
		2748	utf8::encode $msg;
		2749
		2750	if (0 && $msg =~ /\[/) {
		2751	# COMMAND/INFO
		2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2753	} else {
		2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2755	$self->send_packet ("drawinfo $color $msg")
		2756	}
		2757	}
		2758	}
		2759	}
		2760
		2761	=item $client->ext_msg ($type, @msg)
		2762
		2763	Sends an ext event to the client.
		2764
		2765	=cut
		2766
		2767	sub cf::client::ext_msg($$@) {
		2768	my ($self, $type, @msg) = @_;
		2769
		2770	if ($self->extcmd == 2) {
		2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2772	} elsif ($self->extcmd == 1) { # TODO: remove
		2773	push @msg, msgtype => "event_$type";
		2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2775	}
		2776	}
		2777
		2778	=item $client->ext_reply ($msgid, @msg)
		2779
		2780	Sends an ext reply to the client.
		2781
		2782	=cut
		2783
		2784	sub cf::client::ext_reply($$@) {
		2785	my ($self, $id, @msg) = @_;
		2786
		2787	if ($self->extcmd == 2) {
		2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2789	} elsif ($self->extcmd == 1) {
		2790	#TODO: version 1, remove
		2791	unshift @msg, msgtype => "reply", msgid => $id;
		2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2793	}
		2794	}
1925		2795
1926	=item $success = $client->query ($flags, "text", \&cb)	2796	=item $success = $client->query ($flags, "text", \&cb)
1927		2797
1928	Queues a query to the client, calling the given callback with	2798	Queues a query to the client, calling the given callback with
1929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2799	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2800	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1931		2801
1932	Queries can fail, so check the return code. Or don't, as queries will become	2802	Queries can fail, so check the return code. Or don't, as queries will
1933	reliable at some point in the future.	2803	become reliable at some point in the future.
1934		2804
1935	=cut	2805	=cut
1936		2806
1937	sub cf::client::query {	2807	sub cf::client::query {
1938	my ($self, $flags, $text, $cb) = @_;	2808	my ($self, $flags, $text, $cb) = @_;
…		…
1946	utf8::encode $text;	2816	utf8::encode $text;
1947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2817	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948		2818
1949	$self->send_packet ($self->{query_queue}[0][0])	2819	$self->send_packet ($self->{query_queue}[0][0])
1950	if @{ $self->{query_queue} } == 1;	2820	if @{ $self->{query_queue} } == 1;
		2821
		2822	1
1951	}	2823	}
1952		2824
1953	cf::client->attach (	2825	cf::client->attach (
		2826	on_connect => sub {
		2827	my ($ns) = @_;
		2828
		2829	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2830	},
1954	on_reply => sub {	2831	on_reply => sub {
1955	my ($ns, $msg) = @_;	2832	my ($ns, $msg) = @_;
1956		2833
1957	# this weird shuffling is so that direct followup queries	2834	# this weird shuffling is so that direct followup queries
1958	# get handled first	2835	# get handled first
1959	my $queue = delete $ns->{query_queue}	2836	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	2837	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		2838
1962	(shift @$queue)->[1]->($msg);	2839	(shift @$queue)->[1]->($msg);
		2840	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		2841
1964	push @{ $ns->{query_queue} }, @$queue;	2842	push @{ $ns->{query_queue} }, @$queue;
1965		2843
1966	if (@{ $ns->{query_queue} } == @$queue) {	2844	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	2845	if (@$queue) {
…		…
1969	} else {	2847	} else {
1970	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2848	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971	}	2849	}
1972	}	2850	}
1973	},	2851	},
		2852	on_exticmd => sub {
		2853	my ($ns, $buf) = @_;
		2854
		2855	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2856
		2857	if (ref $msg) {
		2858	my ($type, $reply, @payload) =
		2859	"ARRAY" eq ref $msg
		2860	? @$msg
		2861	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2862
		2863	my @reply;
		2864
		2865	if (my $cb = $EXTICMD{$type}) {
		2866	@reply = $cb->($ns, @payload);
		2867	}
		2868
		2869	$ns->ext_reply ($reply, @reply)
		2870	if $reply;
		2871
		2872	} else {
		2873	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2874	}
		2875
		2876	cf::override;
		2877	},
1974	);	2878	);
1975		2879
1976	=item $client->async (\&cb)	2880	=item $client->async (\&cb)
1977		2881
1978	Create a new coroutine, running the specified callback. The coroutine will	2882	Create a new coroutine, running the specified callback. The coroutine will
…		…
2019	our $safe = new Safe "safe";	2923	our $safe = new Safe "safe";
2020	our $safe_hole = new Safe::Hole;	2924	our $safe_hole = new Safe::Hole;
2021		2925
2022	$SIG{FPE} = 'IGNORE';	2926	$SIG{FPE} = 'IGNORE';
2023		2927
2024	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2928	$safe->permit_only (Opcode::opset qw(
		2929	:base_core :base_mem :base_orig :base_math
		2930	grepstart grepwhile mapstart mapwhile
		2931	sort time
		2932	));
2025		2933
2026	# here we export the classes and methods available to script code	2934	# here we export the classes and methods available to script code
2027		2935
2028	=pod	2936	=pod
2029		2937
2030	The following fucntions and emthods are available within a safe environment:	2938	The following functions and methods are available within a safe environment:
2031		2939
2032	cf::object contr pay_amount pay_player map	2940	cf::object
		2941	contr pay_amount pay_player map x y force_find force_add destroy
		2942	insert remove name archname title slaying race decrease_ob_nr
		2943
2033	cf::object::player player	2944	cf::object::player
2034	cf::player peaceful	2945	player
2035	cf::map trigger	2946
		2947	cf::player
		2948	peaceful
		2949
		2950	cf::map
		2951	trigger
2036		2952
2037	=cut	2953	=cut
2038		2954
2039	for (	2955	for (
2040	["cf::object" => qw(contr pay_amount pay_player map)],	2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2957	insert remove inv name archname title slaying race
		2958	decrease_ob_nr destroy)],
2041	["cf::object::player" => qw(player)],	2959	["cf::object::player" => qw(player)],
2042	["cf::player" => qw(peaceful)],	2960	["cf::player" => qw(peaceful)],
2043	["cf::map" => qw(trigger)],	2961	["cf::map" => qw(trigger)],
2044	) {	2962	) {
2045	no strict 'refs';	2963	no strict 'refs';
…		…
2116	=back	3034	=back
2117		3035
2118	=cut	3036	=cut
2119		3037
2120	#############################################################################	3038	#############################################################################
		3039	# the server's init and main functions
2121		3040
2122	=head2 EXTENSION DATABASE SUPPORT	3041	sub load_facedata($) {
		3042	my ($path) = @_;
2123		3043
2124	Crossfire maintains a very simple database for extension use. It can	3044	# HACK to clear player env face cache, we need some signal framework
2125	currently store anything that can be serialised using Storable, which	3045	# for this (global event?)
2126	excludes objects.	3046	%ext::player_env::MUSIC_FACE_CACHE = ();
2127		3047
2128	The parameter C<$family> should best start with the name of the extension	3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2129	using it, it should be unique.
2130		3049
2131	=over 4	3050	warn "loading facedata from $path\n";
2132		3051
2133	=item $hashref = cf::db_get $family	3052	my $facedata;
		3053	0 < aio_load $path, $facedata
		3054	or die "$path: $!";
2134		3055
2135	Return a hashref for use by the extension C<$family>, which can be	3056	$facedata = Coro::Storable::thaw $facedata;
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138		3057
2139	=item $value = cf::db_get $family => $key	3058	$facedata->{version} == 2
		3059	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140		3060
2141	Returns a single value from the database	3061	# patch in the exptable
2142		3062	$facedata->{resource}{"res/exp_table"} = {
2143	=item cf::db_put $family => $hashref	3063	type => FT_RSRC,
2144		3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2145	Stores the given family hashref into the database. Updates are delayed, if
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147
2148	=item cf::db_put $family => $key => $value
2149
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160
2161	=cut
2162
2163	our $DB;
2164
2165	{
2166	my $path = cf::localdir . "/database.pst";
2167
2168	sub db_load() {
2169	$DB = stat $path ? Storable::retrieve $path : { };
2170	}
2171
2172	my $pid;
2173
2174	sub db_save() {
2175	waitpid $pid, 0 if $pid;
2176	if (0 == ($pid = fork)) {
2177	$DB->{_meta}{version} = 1;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});	3065	};
		3066	cf::cede_to_tick;
2194		3067
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}	3068	{
		3069	my $faces = $facedata->{faceinfo};
2199		3070
2200	sub db_get($;$) {	3071	while (my ($face, $info) = each %$faces) {
2201	@_ >= 2	3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2202	? $DB->{$_[0]}{$_[1]}	3073	cf::face::set_visibility $idx, $info->{visibility};
2203	: ($DB->{$_[0]} ||= { })	3074	cf::face::set_magicmap $idx, $info->{magicmap};
2204	}	3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2205		3077
2206	sub db_put($$;$) {	3078	cf::cede_to_tick;
2207	if (@_ >= 3) {
2208	$DB->{$_[0]}{$_[1]} = $_[2];
2209	} else {
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214
2215	cf::global->attach (
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	3079	}
2220	);
2221	}
2222		3080
2223	#############################################################################	3081	while (my ($face, $info) = each %$faces) {
2224	# the server's main()	3082	next unless $info->{smooth};
		3083	my $idx = cf::face::find $face
		3084	or next;
		3085	if (my $smooth = cf::face::find $info->{smooth}) {
		3086	cf::face::set_smooth $idx, $smooth;
		3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3088	} else {
		3089	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3090	}
2225		3091
2226	sub cfg_load {	3092	cf::cede_to_tick;
		3093	}
		3094	}
		3095
		3096	{
		3097	my $anims = $facedata->{animinfo};
		3098
		3099	while (my ($anim, $info) = each %$anims) {
		3100	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3101	cf::cede_to_tick;
		3102	}
		3103
		3104	cf::anim::invalidate_all; # d'oh
		3105	}
		3106
		3107	{
		3108	# TODO: for gcfclient pleasure, we should give resources
		3109	# that gcfclient doesn't grok a >10000 face index.
		3110	my $res = $facedata->{resource};
		3111
		3112	my $soundconf = delete $res->{"res/sound.conf"};
		3113
		3114	while (my ($name, $info) = each %$res) {
		3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3116	my $data;
		3117
		3118	if ($info->{type} & 1) {
		3119	# prepend meta info
		3120
		3121	my $meta = $enc->encode ({
		3122	name => $name,
		3123	%{ $info->{meta} || {} },
		3124	});
		3125
		3126	$data = pack "(w/a*)*", $meta, $info->{data};
		3127	} else {
		3128	$data = $info->{data};
		3129	}
		3130
		3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3132	cf::face::set_type $idx, $info->{type};
		3133
		3134	cf::cede_to_tick;
		3135	}
		3136
		3137	if ($soundconf) {
		3138	$soundconf = $enc->decode (delete $soundconf->{data});
		3139
		3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3141	my $sound = $soundconf->{compat}[$_]
		3142	or next;
		3143
		3144	my $face = cf::face::find "sound/$sound->[1]";
		3145	cf::sound::set $sound->[0] => $face;
		3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3147	}
		3148
		3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3150	my $face = cf::face::find "sound/$v";
		3151	cf::sound::set $k => $face;
		3152	}
		3153	}
		3154	}
		3155
		3156	1
		3157	}
		3158
		3159	register_exticmd fx_want => sub {
		3160	my ($ns, $want) = @_;
		3161
		3162	while (my ($k, $v) = each %$want) {
		3163	$ns->fx_want ($k, $v);
		3164	}
		3165	};
		3166
		3167	sub reload_regions {
		3168	# HACK to clear player env face cache, we need some signal framework
		3169	# for this (global event?)
		3170	%ext::player_env::MUSIC_FACE_CACHE = ();
		3171
		3172	load_resource_file "$MAPDIR/regions"
		3173	or die "unable to load regions file\n";
		3174
		3175	for (cf::region::list) {
		3176	$_->{match} = qr/$_->{match}/
		3177	if exists $_->{match};
		3178	}
		3179	}
		3180
		3181	sub reload_facedata {
		3182	load_facedata "$DATADIR/facedata"
		3183	or die "unable to load facedata\n";
		3184	}
		3185
		3186	sub reload_archetypes {
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	#d# NEED to laod twice to resolve forward references
		3190	# this really needs to be done in an extra post-pass
		3191	# (which needs to be synchronous, so solve it differently)
		3192	load_resource_file "$DATADIR/archetypes"
		3193	or die "unable to load archetypes\n";
		3194	}
		3195
		3196	sub reload_treasures {
		3197	load_resource_file "$DATADIR/treasures"
		3198	or die "unable to load treasurelists\n";
		3199	}
		3200
		3201	sub reload_resources {
		3202	warn "reloading resource files...\n";
		3203
		3204	reload_regions;
		3205	reload_facedata;
		3206	#reload_archetypes;#d#
		3207	reload_archetypes;
		3208	reload_treasures;
		3209
		3210	warn "finished reloading resource files\n";
		3211	}
		3212
		3213	sub init {
		3214	reload_resources;
		3215	}
		3216
		3217	sub reload_config {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	3218	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	3219	or return;
2229		3220
2230	local $/;	3221	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	3222	*CFG = YAML::Syck::Load <$fh>;
2232		3223
…		…
2247	sub main {	3238	sub main {
2248	# we must not ever block the main coroutine	3239	# we must not ever block the main coroutine
2249	local $Coro::idle = sub {	3240	local $Coro::idle = sub {
2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2251	(async {	3242	(async {
		3243	$Coro::current->{desc} = "IDLE BUG HANDLER";
2252	Event::one_event;	3244	Event::one_event;
2253	})->prio (Coro::PRIO_MAX);	3245	})->prio (Coro::PRIO_MAX);
2254	};	3246	};
2255		3247
2256	cfg_load;	3248	reload_config;
2257	db_load;	3249	db_init;
2258	load_extensions;	3250	load_extensions;
2259		3251
2260	$TICK_WATCHER->start;	3252	$TICK_WATCHER->start;
2261	Event::loop;	3253	Event::loop;
2262	}	3254	}
…		…
2266		3258
2267	# install some emergency cleanup handlers	3259	# install some emergency cleanup handlers
2268	BEGIN {	3260	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	3261	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3262	Event->signal (
		3263	reentrant => 0,
2271	data => WF_AUTOCANCEL,	3264	data => WF_AUTOCANCEL,
2272	signal => $signal,	3265	signal => $signal,
		3266	prio => 0,
2273	cb => sub {	3267	cb => sub {
2274	cf::cleanup "SIG$signal";	3268	cf::cleanup "SIG$signal";
2275	},	3269	},
2276	);	3270	);
2277	}	3271	}
		3272	}
		3273
		3274	sub write_runtime {
		3275	my $runtime = "$LOCALDIR/runtime";
		3276
		3277	# first touch the runtime file to show we are still running:
		3278	# the fsync below can take a very very long time.
		3279
		3280	IO::AIO::aio_utime $runtime, undef, undef;
		3281
		3282	my $guard = cf::lock_acquire "write_runtime";
		3283
		3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3285	or return;
		3286
		3287	my $value = $cf::RUNTIME + 90 + 10;
		3288	# 10 is the runtime save interval, for a monotonic clock
		3289	# 60 allows for the watchdog to kill the server.
		3290
		3291	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3292	and return;
		3293
		3294	# always fsync - this file is important
		3295	aio_fsync $fh
		3296	and return;
		3297
		3298	# touch it again to show we are up-to-date
		3299	aio_utime $fh, undef, undef;
		3300
		3301	close $fh
		3302	or return;
		3303
		3304	aio_rename "$runtime~", $runtime
		3305	and return;
		3306
		3307	warn "runtime file written.\n";
		3308
		3309	1
2278	}	3310	}
2279		3311
2280	sub emergency_save() {	3312	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3313	my $freeze_guard = cf::freeze_mainloop;
2282		3314
…		…
2288	# and maps saved/destroyed asynchronously.	3320	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3321	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3322	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3323	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3324	$pl->valid or next;
		3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3326	$pl->save;
2294	}	3327	}
2295	warn "end emergency player save\n";	3328	warn "end emergency player save\n";
2296		3329
2297	warn "begin emergency map save\n";	3330	warn "begin emergency map save\n";
…		…
2299	my $map = $cf::MAP{$path} or next;	3332	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3333	$map->valid or next;
2301	$map->save;	3334	$map->save;
2302	}	3335	}
2303	warn "end emergency map save\n";	3336	warn "end emergency map save\n";
		3337
		3338	warn "begin emergency database checkpoint\n";
		3339	BDB::db_env_txn_checkpoint $DB_ENV;
		3340	warn "end emergency database checkpoint\n";
2304	};	3341	};
2305		3342
2306	warn "leave emergency perl save\n";	3343	warn "leave emergency perl save\n";
2307	}	3344	}
2308		3345
		3346	sub post_cleanup {
		3347	my ($make_core) = @_;
		3348
		3349	warn Carp::longmess "post_cleanup backtrace"
		3350	if $make_core;
		3351	}
		3352
2309	sub reload() {	3353	sub do_reload_perl() {
2310	# can/must only be called in main	3354	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3355	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	3356	warn "can only reload from main coroutine";
2313	return;	3357	return;
2314	}	3358	}
2315		3359
2316	warn "reloading...";	3360	warn "reloading...";
2317		3361
2318	warn "cancelling server ticker";	3362	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		3363
		3364	cf::sync_job {
		3365	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	3366	cf::emergency_save;
		3367	cf::write_runtime; # external watchdog should not bark
2322		3368
2323	eval {	3369	warn "syncing database to disk";
		3370	BDB::db_env_txn_checkpoint $DB_ENV;
		3371
2324	# if anything goes wrong in here, we should simply crash as we already saved	3372	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328		3373
2329	warn "cancelling all WF_AUTOCANCEL watchers";	3374	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {	3375	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;	3376	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}	3377	}
2333		3378
2334	warn "flushing outstanding aio requests";	3379	warn "flushing outstanding aio requests";
2335	for (;;) {	3380	for (;;) {
		3381	BDB::flush;
2336	IO::AIO::flush;	3382	IO::AIO::flush;
2337	Coro::cede;	3383	Coro::cede_notself;
2338	last unless IO::AIO::nreqs;	3384	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	3385	warn "iterate...";
2340	}	3386	}
		3387
		3388	++$RELOAD;
2341		3389
2342	warn "cancelling all extension coros";	3390	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	3391	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	3392	%EXT_CORO = ();
2345		3393
2346	warn "removing commands";	3394	warn "removing commands";
2347	%COMMAND = ();	3395	%COMMAND = ();
2348		3396
2349	warn "removing ext commands";	3397	warn "removing ext/exti commands";
2350	%EXTCMD = ();	3398	%EXTCMD = ();
		3399	%EXTICMD = ();
2351		3400
2352	warn "unloading/nuking all extensions";	3401	warn "unloading/nuking all extensions";
2353	for my $pkg (@EXTS) {	3402	for my $pkg (@EXTS) {
2354	warn "... unloading $pkg";	3403	warn "... unloading $pkg";
2355		3404
…		…
2385	Symbol::delete_package "safe::$_"	3434	Symbol::delete_package "safe::$_"
2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2387		3436
2388	warn "unloading cf.pm \"a bit\"";	3437	warn "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	3438	delete $INC{"cf.pm"};
		3439	delete $INC{"cf/pod.pm"};
2390		3440
2391	# don't, removes xs symbols, too,	3441	# don't, removes xs symbols, too,
2392	# and global variables created in xs	3442	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	3443	#Symbol::delete_package __PACKAGE__;
2394		3444
…		…
2397	warn "reloading cf.pm";	3447	warn "reloading cf.pm";
2398	require cf;	3448	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		3450
2401	warn "loading config and database again";	3451	warn "loading config and database again";
2402	cf::cfg_load;	3452	cf::reload_config;
2403	cf::db_load;
2404		3453
2405	warn "loading extensions";	3454	warn "loading extensions";
2406	cf::load_extensions;	3455	cf::load_extensions;
2407		3456
2408	warn "reattaching attachments to objects/players";	3457	warn "reattaching attachments to objects/players";
2409	_global_reattach;	3458	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	3459	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	3460	reattach $_ for values %MAP;
		3461	warn "reattaching attachments to players";
		3462	reattach $_ for values %PLAYER;
2412		3463
2413	warn "restarting server ticker";	3464	warn "leaving sync_job";
2414		3465
2415	$TICK_WATCHER->start;	3466	1
2416	};	3467	} or do {
2417
2418	if ($@) {
2419	warn $@;	3468	warn $@;
2420	warn "error while reloading, exiting.";	3469	warn "error while reloading, exiting.";
2421	exit 1;	3470	exit 1;
2422	}	3471	};
2423		3472
2424	warn "reloaded";	3473	warn "reloaded";
2425	};	3474	};
2426		3475
2427	our $RELOAD_WATCHER; # used only during reload	3476	our $RELOAD_WATCHER; # used only during reload
2428		3477
		3478	sub reload_perl() {
		3479	# doing reload synchronously and two reloads happen back-to-back,
		3480	# coro crashes during coro_state_free->destroy here.
		3481
		3482	$RELOAD_WATCHER ||= Event->timer (
		3483	reentrant => 0,
		3484	after => 0,
		3485	data => WF_AUTOCANCEL,
		3486	cb => sub {
		3487	do_reload_perl;
		3488	undef $RELOAD_WATCHER;
		3489	},
		3490	);
		3491	}
		3492
2429	register_command "reload" => sub {	3493	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3494	my ($who, $arg) = @_;
2431		3495
2432	if ($who->flag (FLAG_WIZ)) {	3496	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	3497	$who->message ("reloading server.");
2434		3498	async {
2435	# doing reload synchronously and two reloads happen back-to-back,	3499	$Coro::current->{desc} = "perl_reload";
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;	3500	reload_perl;
2440	undef $RELOAD_WATCHER;
2441	});	3501	};
2442	}	3502	}
2443	};	3503	};
2444		3504
2445	unshift @INC, $LIBDIR;	3505	unshift @INC, $LIBDIR;
2446		3506
2447	my $bug_warning = 0;	3507	my $bug_warning = 0;
		3508
		3509	our @WAIT_FOR_TICK;
		3510	our @WAIT_FOR_TICK_BEGIN;
		3511
		3512	sub wait_for_tick {
		3513	return unless $TICK_WATCHER->is_active;
		3514	return if $Coro::current == $Coro::main;
		3515
		3516	my $signal = new Coro::Signal;
		3517	push @WAIT_FOR_TICK, $signal;
		3518	$signal->wait;
		3519	}
		3520
		3521	sub wait_for_tick_begin {
		3522	return unless $TICK_WATCHER->is_active;
		3523	return if $Coro::current == $Coro::main;
		3524
		3525	my $signal = new Coro::Signal;
		3526	push @WAIT_FOR_TICK_BEGIN, $signal;
		3527	$signal->wait;
		3528	}
2448		3529
2449	$TICK_WATCHER = Event->timer (	3530	$TICK_WATCHER = Event->timer (
2450	reentrant => 0,	3531	reentrant => 0,
2451	parked => 1,	3532	parked => 1,
2452	prio => 0,	3533	prio => 0,
…		…
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	3539	unless ++$bug_warning > 10;
2459	return;	3540	return;
2460	}	3541	}
2461		3542
2462	$NOW = Event::time;	3543	$NOW = $tick_start = Event::time;
2463		3544
2464	cf::server_tick; # one server iteration	3545	cf::server_tick; # one server iteration
		3546
2465	$RUNTIME += $TICK;	3547	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;	3548	$NEXT_TICK += $TICK;
2467		3549
2468	$WAIT_FOR_TICK->broadcast;	3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3551	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3552	Coro::async_pool {
		3553	$Coro::current->{desc} = "runtime saver";
		3554	write_runtime
		3555	or warn "ERROR: unable to write runtime file: $!";
		3556	};
		3557	}
		3558
		3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3560	$sig->send;
		3561	}
		3562	while (my $sig = shift @WAIT_FOR_TICK) {
		3563	$sig->send;
		3564	}
		3565
		3566	$NOW = Event::time;
2470		3567
2471	# if we are delayed by four ticks or more, skip them all	3568	# if we are delayed by four ticks or more, skip them all
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2473		3570
2474	$TICK_WATCHER->at ($NEXT_TICK);	3571	$TICK_WATCHER->at ($NEXT_TICK);
2475	$TICK_WATCHER->start;	3572	$TICK_WATCHER->start;
		3573
		3574	$LOAD = ($NOW - $tick_start) / $TICK;
		3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3576
		3577	_post_tick;
2476	},	3578	},
2477	);	3579	);
2478		3580
		3581	{
		3582	BDB::min_parallel 8;
		3583	BDB::max_poll_time $TICK * 0.1;
		3584	$BDB_POLL_WATCHER = Event->io (
		3585	reentrant => 0,
		3586	fd => BDB::poll_fileno,
		3587	poll => 'r',
		3588	prio => 0,
		3589	data => WF_AUTOCANCEL,
		3590	cb => \&BDB::poll_cb,
		3591	);
		3592
		3593	BDB::set_sync_prepare {
		3594	my $status;
		3595	my $current = $Coro::current;
		3596	(
		3597	sub {
		3598	$status = $!;
		3599	$current->ready; undef $current;
		3600	},
		3601	sub {
		3602	Coro::schedule while defined $current;
		3603	$! = $status;
		3604	},
		3605	)
		3606	};
		3607
		3608	unless ($DB_ENV) {
		3609	$DB_ENV = BDB::db_env_create;
		3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3611	| BDB::LOG_AUTOREMOVE, 1);
		3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3614
		3615	cf::sync_job {
		3616	eval {
		3617	BDB::db_env_open
		3618	$DB_ENV,
		3619	$BDBDIR,
		3620	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3621	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3622	0666;
		3623
		3624	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3625	};
		3626
		3627	cf::cleanup "db_env_open(db): $@" if $@;
		3628	};
		3629	}
		3630
		3631	$BDB_DEADLOCK_WATCHER = Event->timer (
		3632	after => 3,
		3633	interval => 1,
		3634	hard => 1,
		3635	prio => 0,
		3636	data => WF_AUTOCANCEL,
		3637	cb => sub {
		3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3639	},
		3640	);
		3641	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3642	after => 11,
		3643	interval => 60,
		3644	hard => 1,
		3645	prio => 0,
		3646	data => WF_AUTOCANCEL,
		3647	cb => sub {
		3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3649	},
		3650	);
		3651	$BDB_TRICKLE_WATCHER = Event->timer (
		3652	after => 5,
		3653	interval => 10,
		3654	hard => 1,
		3655	prio => 0,
		3656	data => WF_AUTOCANCEL,
		3657	cb => sub {
		3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3659	},
		3660	);
		3661	}
		3662
		3663	{
		3664	IO::AIO::min_parallel 8;
		3665
		3666	undef $Coro::AIO::WATCHER;
2479	IO::AIO::max_poll_time $TICK * 0.2;	3667	IO::AIO::max_poll_time $TICK * 0.1;
2480
2481	$AIO_POLL_WATCHER = Event->io (	3668	$AIO_POLL_WATCHER = Event->io (
2482	fd => IO::AIO::poll_fileno,	3669	reentrant => 0,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488
2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2490	data => WF_AUTOCANCEL,	3670	data => WF_AUTOCANCEL,
2491	after => 1,	3671	fd => IO::AIO::poll_fileno,
2492	interval => 10,	3672	poll => 'r',
2493	prio => 6, # keep it lowest so it acts like a watchdog	3673	prio => 0,
2494	cb => Coro::unblock_sub {	3674	cb => \&IO::AIO::poll_cb,
2495	write_runtime	3675	);
2496	or warn "ERROR: unable to write runtime file: $!";	3676	}
		3677
		3678	my $_log_backtrace;
		3679
		3680	sub _log_backtrace {
		3681	my ($msg, @addr) = @_;
		3682
		3683	$msg =~ s/\n//;
		3684
		3685	# limit the # of concurrent backtraces
		3686	if ($_log_backtrace < 2) {
		3687	++$_log_backtrace;
		3688	async {
		3689	$Coro::current->{desc} = "abt $msg";
		3690
		3691	my @bt = fork_call {
		3692	@addr = map { sprintf "%x", $_ } @addr;
		3693	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3694	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3695	or die "addr2line: $!";
		3696
		3697	my @funcs;
		3698	my @res = <$fh>;
		3699	chomp for @res;
		3700	while (@res) {
		3701	my ($func, $line) = splice @res, 0, 2, ();
		3702	push @funcs, "[$func] $line";
		3703	}
		3704
		3705	@funcs
		3706	};
		3707
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] $_\n" for @bt;
		3710	--$_log_backtrace;
		3711	};
		3712	} else {
		3713	LOG llevInfo, "[ABT] $msg\n";
		3714	LOG llevInfo, "[ABT] [suppressed]\n";
2497	},	3715	}
2498	);	3716	}
		3717
		3718	# load additional modules
		3719	use cf::pod;
2499		3720
2500	END { cf::emergency_save }	3721	END { cf::emergency_save }
2501		3722
2502	1	3723	1
2503		3724

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