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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.197 by root, Sun Jan 28 00:20:02 2007 UTC vs.
Revision 1.388 by root, Thu Oct 18 02:56:13 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		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) = @_;
1180		1722
1181	$path = "$path"; # make sure its a string	1723	$path = "$path"; # make sure its a string
		1724
		1725	$path =~ s/\.map$//;
1182		1726
1183	# map plan:	1727	# map plan:
1184	#	1728	#
1185	# /! non-realised random map exit (special hack!)	1729	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1730	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1224	return $self;	1768	return $self;
1225	}	1769	}
1226	}	1770	}
1227		1771
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1773	()
1230	}	1774	}
1231		1775
1232	sub init {	1776	sub init {
1233	my ($self) = @_;	1777	my ($self) = @_;
…		…
1248		1792
1249	# the original (read-only) location	1793	# the original (read-only) location
1250	sub load_path {	1794	sub load_path {
1251	my ($self) = @_;	1795	my ($self) = @_;
1252		1796
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1254	}	1798	}
1255		1799
1256	# the temporary/swap location	1800	# the temporary/swap location
1257	sub save_path {	1801	sub save_path {
1258	my ($self) = @_;	1802	my ($self) = @_;
1259		1803
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1262	}	1806	}
1263		1807
1264	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1265	sub uniq_path {	1809	sub uniq_path {
1266	my ($self) = @_;	1810	my ($self) = @_;
1267		1811
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1270	}	1814	}
1271		1815
1272	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1273	# all maps in C++...	1817	# all maps in C++...
1274	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1276		1820
1277	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1279	}	1823	}
1280		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1281	sub unlink_save {	1833	sub unlink_save {
1282	my ($self) = @_;	1834	my ($self) = @_;
1283		1835
1284	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1840
1289	sub load_header_from($) {	1841	sub load_header_from($) {
1290	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1291		1843
1292	utf8::encode $path;	1844	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1294	or return;	1846	or return;
1295		1847
1296	$self->_load_header ($path)	1848	$self->_load_header ($f)
1297	or return;	1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1298		1853
1299	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1300		1855
1301	1	1856	1
1302	}	1857	}
…		…
1341	$self->load_header_orig	1896	$self->load_header_orig
1342	or return;	1897	or return;
1343	$self->prepare_orig;	1898	$self->prepare_orig;
1344	}	1899	}
1345		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 $self->default_region;
		1906
1346	1	1907	1
1347	}	1908	}
1348		1909
1349	sub find;	1910	sub find;
1350	sub find {	1911	sub find {
1351	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1352		1913
1353	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1354		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1356		1918
1357	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1358	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
1359	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1360	or return;	1924	or return;
1361		1925
1362	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1363		1927
1364	$map->load_header	1928	$map->load_header
1365	or return;	1929	or return;
1366		1930
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1370	$map->reset;	1936	$map->reset;
1371	undef $guard;
1372	return find $path;	1937	return find $path;
1373	}	1938	}
1374		1939
1375	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1376	}	1941	}
…		…
1383	my ($self) = @_;	1948	my ($self) = @_;
1384		1949
1385	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1386		1951
1387	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1388	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1389		1956
		1957	return unless $self->valid;
1390	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1391		1959
1392	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1393		1961
1394	$self->alloc;	1962	$self->alloc;
1395		1963
1396	$self->pre_load;	1964	$self->pre_load;
		1965	cf::cede_to_tick;
1397		1966
1398	$self->_load_objects ($self->{load_path}, 1)	1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1399	or return;	1970	or return;
1400		1971
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1402	if delete $self->{load_original};	1973	if delete $self->{load_original};
1403		1974
1404	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1405	utf8::encode $uniq;	1976	utf8::encode $uniq;
1406	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1407	$self->clear_unique_items;	1979	$self->clear_unique_items;
1408	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1409	}	1983	}
1410	}	1984	}
1411		1985
1412	Coro::cede;	1986	$f->resolve_delayed_derefs;
1413		1987
		1988	cf::cede_to_tick;
1414	# now do the right thing for maps	1989	# now do the right thing for maps
1415	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1416
1417	unless ($self->{deny_activate}) {
1418	$self->decay_objects;
1419	$self->fix_auto_apply;
1420	$self->update_buttons;
1421	Coro::cede;
1422	$self->set_darkness_map;
1423	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	1992	unless $self->difficulty;
1425	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($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;
1426	$self->activate;	2002	$self->activate;
		2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
		2008	$self->in_memory (cf::MAP_IN_MEMORY);
1427	}	2009	}
1428		2010
1429	$self->post_load;	2011	$self->post_load;
1430
1431	$self->in_memory (cf::MAP_IN_MEMORY);
1432	}	2012	}
1433		2013
1434	sub customise_for {	2014	sub customise_for {
1435	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1436		2016
1437	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1438	if $self->per_player;	2018	if $self->per_player;
1439		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1440	$self	2023	$self
1441	}	2024	}
1442		2025
1443	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1444	sub load_diag {	2027	sub load_neighbours {
1445	my ($map) = @_;	2028	my ($map) = @_;
1446		2029
1447	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1448		2031
1449	for (0 .. 3) {	2032	for (0 .. 3) {
1450	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1451	or next;	2034	or next;
1452	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1453	or next;	2036	or next;
1454	$neigh->load;	2037	$neigh->load;
1455		2038
		2039	push @neigh,
1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1458	}	2042	}
1459		2043
1460	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1461	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1462	or next;	2047	or next;
1463	$neigh->load;	2048	$neigh->load;
1464	}	2049	}
1465	}	2050	}
1466		2051
…		…
1471	}	2056	}
1472		2057
1473	sub do_load_sync {	2058	sub do_load_sync {
1474	my ($map) = @_;	2059	my ($map) = @_;
1475		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1476	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1477	}	2065	}
1478		2066
1479	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1480	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1481		2069
1482	sub find_async {	2070	sub find_async {
1483	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1484		2072
1485	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1486		2074
1487	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1489	}	2077	}
1490		2078
1491	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1492	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1493	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1494	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1495	my $map = find $path	2086	if (my $map = find $k) {
1496	or next;
1497	$map->load;	2087	$map->load if $v;
		2088	}
1498		2089
1499	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1500	}	2091	}
1501	}	2092	}
1502	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1503	};	2094	};
1504	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1507	}	2098	}
1508		2099
1509	sub save {	2100	sub save {
1510	my ($self) = @_;	2101	my ($self) = @_;
1511		2102
1512	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1513		2104
1514	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1515		2106
1516	return unless $self->dirty;	2107	return unless $self->dirty;
1517		2108
…		…
1523	return if $self->{deny_save};	2114	return if $self->{deny_save};
1524		2115
1525	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1526		2117
1527	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1528	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1529	};	2121	};
1530		2122
1531	if ($uniq) {	2123	if ($uniq) {
1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1540	my ($self) = @_;	2132	my ($self) = @_;
1541		2133
1542	# save first because save cedes	2134	# save first because save cedes
1543	$self->save;	2135	$self->save;
1544		2136
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2138
1547	return if $self->players;	2139	return if $self->players;
1548	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1549	return if $self->{deny_save};	2141	return if $self->{deny_save};
1550		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1551	$self->clear;	2147	$self->clear;
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	}	2148	}
1554		2149
1555	sub reset_at {	2150	sub reset_at {
1556	my ($self) = @_;	2151	my ($self) = @_;
1557		2152
1558	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1560	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1561		2155
1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564		2158
…		…
1575	my ($self) = @_;	2169	my ($self) = @_;
1576		2170
1577	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2172
1579	return if $self->players;	2173	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#
1581		2174
1582	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	}
1583		2186
1584	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1585		2188
1586	$self->in_memory (cf::MAP_SWAPPED);	2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1587	$self->clear;	2191	$self->clear;
1588
1589	$_->clear_links_to ($self) for values %cf::MAP;
1590		2192
1591	$self->unlink_save;	2193	$self->unlink_save;
1592	$self->destroy;	2194	$self->destroy;
1593	}	2195	}
1594		2196
1595	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1596		2198
1597	sub nuke {	2199	sub nuke {
1598	my ($self) = @_;	2200	my ($self) = @_;
1599		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1600	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1601		2206
1602	$self->unlink_save;	2207	$self->unlink_save;
1603		2208
1604	bless $self, "cf::map";	2209	bless $self, "cf::map";
1605	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1606	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1607	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1609		2214
1610	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1611		2217
1612	$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	]
1613	}	2255	}
1614		2256
1615	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1616		2258
1617	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2260	instantiated unique items. May block.
1619		2261
1620	=cut	2262	=cut
1621		2263
1622	sub unique_maps() {	2264	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1624	or return;	2266	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2267	utf8::decode $_;
1630	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;
1632
1633	s/\.map$//;	2268	/\.map$/
1634	push @paths, $_;	2269	? normalise $_
		2270	: ()
		2271	} @{ aio_readdir $UNIQUEDIR or [] }
1635	}	2272	]
1636
1637	\@paths
1638	}	2273	}
1639		2274
1640	package cf;	2275	package cf;
1641		2276
1642	=back	2277	=back
…		…
1660	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1661	}	2296	}
1662		2297
1663	sub inv_recursive {	2298	sub inv_recursive {
1664	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	}
1665	}	2328	}
1666		2329
1667	package cf;	2330	package cf;
1668		2331
1669	=back	2332	=back
…		…
1688		2351
1689	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1690		2353
1691	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1692	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1693	} 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 {
1694	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1695	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1696	}	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 (@_);
1697	}	2379	}
1698		2380
1699	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1700		2382
1701	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1748	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1749		2431
1750	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1751		2433
1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1754		2436
1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1756	}	2438	}
1757		2439
1758	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1759	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1760		2444
1761	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1762		2446
1763	unless ($map) {	2447	unless ($map) {
1764	# restore original map position	2448	# restore original map position
…		…
1778	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1779	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1780	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1781		2465
1782	$map->load;	2466	$map->load;
1783	$map->load_diag;	2467	$map->load_neighbours;
1784		2468
1785	return unless $self->contr->active;	2469	return unless $self->contr->active;
1786	$self->activate_recursive;	2470	$self->activate_recursive;
		2471
		2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1788	}	2474	}
1789		2475
1790	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1791	on_logout => sub {
1792	my ($pl) = @_;
1793		2477
1794	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1795	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1796	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1797	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1798	};	2482	be called at the end of this process.
1799	}
1800	},
1801	on_login => sub {
1802	my ($pl) = @_;
1803		2483
1804	# try to abort aborted map switching on player login :)
1805	# should happen only on crashes
1806	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;
1808	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "
1813	. "the server will try to bring you to your intended destination in a second.",
1814	cf::NDI_RED);
1815	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;
1817	})->prio (2);
1818	}
1819	},
1820	);
1821
1822	=item $player_object->goto ($path, $x, $y)
1823
1824	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1825		2487
1826	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1827	my ($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;
1828		2493
1829	$self->enter_link;	2494	$self->enter_link;
1830		2495
1831	(async {	2496	(async {
		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
1832	my $map = eval {	2518	my $map = eval {
1833	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1834	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1835	$map	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 $@;
1836	} or	2534	}
1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1839	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1840	})->prio (1);	2542	})->prio (1);
1841	}	2543	}
1842		2544
1843	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1844		2546
…		…
1873	# that depends on the exit object	2575	# that depends on the exit object
1874		2576
1875	my $rmp = parse_random_map_params $exit->msg;	2577	my $rmp = parse_random_map_params $exit->msg;
1876		2578
1877	if ($exit->map) {	2579	if ($exit->map) {
1878	$rmp->{region} = $exit->map->region_name;	2580	$rmp->{region} = $exit->region->name;
1879	$rmp->{origin_map} = $exit->map->path;	2581	$rmp->{origin_map} = $exit->map->path;
1880	$rmp->{origin_x} = $exit->x;	2582	$rmp->{origin_x} = $exit->x;
1881	$rmp->{origin_y} = $exit->y;	2583	$rmp->{origin_y} = $exit->y;
1882	}	2584	}
1883		2585
1884	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1885		2587
1886	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1887	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1889		2591
1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1892	undef $fh;	2594	undef $fh;
1893	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
1902		2604
1903	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1904		2606
1905	if ($exit->slaying eq "/!") {	2607	if ($exit->slaying eq "/!") {
1906	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1907	cf::sync_job { prepare_random_map $exit };	2611	cf::sync_job { prepare_random_map $exit };
1908	}	2612	}
1909		2613
1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
1912	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
1913		2617
1914	$self->enter_link;	2618	$self->enter_link;
1915		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
1916	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1917	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2628	unless (eval {
1919	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
1920		2630
1921	1;	2631	1;
1922	}) {	2632	}) {
1923	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1924	. "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. "
1925	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1926	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1927		2637
1928	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1929	$self->leave_link;	2639	$self->leave_link;
1930	}	2640	}
1931	})->prio (1);	2641	})->prio (1);
…		…
1944		2654
1945	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1946	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1947		2657
1948	utf8::encode $text;	2658	utf8::encode $text;
1949	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950	}	2660	}
1951		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<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/lookat" => {
		2685	id => "infobox",
		2686	title => "Look",
		2687	reply => undef,
		2688	tooltip => "What you saw there",
		2689	},
		2690	);
		2691
		2692	sub cf::client::send_msg {
		2693	my ($self, $channel, $msg, $color, @extra) = @_;
		2694
		2695	$msg = $self->pl->expand_cfpod ($msg);
		2696
		2697	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2698
		2699	# check predefined channels, for the benefit of C
		2700	if ($CHANNEL{$channel}) {
		2701	$channel = $CHANNEL{$channel};
		2702
		2703	$self->ext_msg (channel_info => $channel)
		2704	if $self->can_msg;
		2705
		2706	$channel = $channel->{id};
		2707
		2708	} elsif (ref $channel) {
		2709	# send meta info to client, if not yet sent
		2710	unless (exists $self->{channel}{$channel->{id}}) {
		2711	$self->{channel}{$channel->{id}} = $channel;
		2712	$self->ext_msg (channel_info => $channel)
		2713	if $self->can_msg;
		2714	}
		2715
		2716	$channel = $channel->{id};
		2717	}
		2718
		2719	return unless @extra || length $msg;
		2720
		2721	if ($self->can_msg) {
		2722	# default colour, mask it out
		2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2724	if $color & cf::NDI_DEF;
		2725
		2726	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2728	} else {
		2729	if ($color >= 0) {
		2730	# replace some tags by gcfclient-compatible ones
		2731	for ($msg) {
		2732	1 while
		2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2738	}
		2739
		2740	$color &= cf::NDI_COLOR_MASK;
		2741
		2742	utf8::encode $msg;
		2743
		2744	if (0 && $msg =~ /\[/) {
		2745	# COMMAND/INFO
		2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2747	} else {
		2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2749	$self->send_packet ("drawinfo $color $msg")
		2750	}
		2751	}
		2752	}
		2753	}
		2754
		2755	=item $client->ext_msg ($type, @msg)
		2756
		2757	Sends an ext event to the client.
		2758
		2759	=cut
		2760
		2761	sub cf::client::ext_msg($$@) {
		2762	my ($self, $type, @msg) = @_;
		2763
		2764	if ($self->extcmd == 2) {
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2766	} elsif ($self->extcmd == 1) { # TODO: remove
		2767	push @msg, msgtype => "event_$type";
		2768	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2769	}
		2770	}
		2771
		2772	=item $client->ext_reply ($msgid, @msg)
		2773
		2774	Sends an ext reply to the client.
		2775
		2776	=cut
		2777
		2778	sub cf::client::ext_reply($$@) {
		2779	my ($self, $id, @msg) = @_;
		2780
		2781	if ($self->extcmd == 2) {
		2782	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2783	} elsif ($self->extcmd == 1) {
		2784	#TODO: version 1, remove
		2785	unshift @msg, msgtype => "reply", msgid => $id;
		2786	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2787	}
		2788	}
1952		2789
1953	=item $success = $client->query ($flags, "text", \&cb)	2790	=item $success = $client->query ($flags, "text", \&cb)
1954		2791
1955	Queues a query to the client, calling the given callback with	2792	Queues a query to the client, calling the given callback with
1956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1958		2795
1959	Queries can fail, so check the return code. Or don't, as queries will become	2796	Queries can fail, so check the return code. Or don't, as queries will
1960	reliable at some point in the future.	2797	become reliable at some point in the future.
1961		2798
1962	=cut	2799	=cut
1963		2800
1964	sub cf::client::query {	2801	sub cf::client::query {
1965	my ($self, $flags, $text, $cb) = @_;	2802	my ($self, $flags, $text, $cb) = @_;
…		…
1973	utf8::encode $text;	2810	utf8::encode $text;
1974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1975		2812
1976	$self->send_packet ($self->{query_queue}[0][0])	2813	$self->send_packet ($self->{query_queue}[0][0])
1977	if @{ $self->{query_queue} } == 1;	2814	if @{ $self->{query_queue} } == 1;
		2815
		2816	1
1978	}	2817	}
1979		2818
1980	cf::client->attach (	2819	cf::client->attach (
		2820	on_connect => sub {
		2821	my ($ns) = @_;
		2822
		2823	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2824	},
1981	on_reply => sub {	2825	on_reply => sub {
1982	my ($ns, $msg) = @_;	2826	my ($ns, $msg) = @_;
1983		2827
1984	# this weird shuffling is so that direct followup queries	2828	# this weird shuffling is so that direct followup queries
1985	# get handled first	2829	# get handled first
1986	my $queue = delete $ns->{query_queue}	2830	my $queue = delete $ns->{query_queue}
1987	or return; # be conservative, not sure how that can happen, but we saw a crash here	2831	or return; # be conservative, not sure how that can happen, but we saw a crash here
1988		2832
1989	(shift @$queue)->[1]->($msg);	2833	(shift @$queue)->[1]->($msg);
		2834	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990		2835
1991	push @{ $ns->{query_queue} }, @$queue;	2836	push @{ $ns->{query_queue} }, @$queue;
1992		2837
1993	if (@{ $ns->{query_queue} } == @$queue) {	2838	if (@{ $ns->{query_queue} } == @$queue) {
1994	if (@$queue) {	2839	if (@$queue) {
…		…
1996	} else {	2841	} else {
1997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2842	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1998	}	2843	}
1999	}	2844	}
2000	},	2845	},
		2846	on_exticmd => sub {
		2847	my ($ns, $buf) = @_;
		2848
		2849	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2850
		2851	if (ref $msg) {
		2852	my ($type, $reply, @payload) =
		2853	"ARRAY" eq ref $msg
		2854	? @$msg
		2855	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2856
		2857	my @reply;
		2858
		2859	if (my $cb = $EXTICMD{$type}) {
		2860	@reply = $cb->($ns, @payload);
		2861	}
		2862
		2863	$ns->ext_reply ($reply, @reply)
		2864	if $reply;
		2865
		2866	} else {
		2867	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2868	}
		2869
		2870	cf::override;
		2871	},
2001	);	2872	);
2002		2873
2003	=item $client->async (\&cb)	2874	=item $client->async (\&cb)
2004		2875
2005	Create a new coroutine, running the specified callback. The coroutine will	2876	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046	our $safe = new Safe "safe";	2917	our $safe = new Safe "safe";
2047	our $safe_hole = new Safe::Hole;	2918	our $safe_hole = new Safe::Hole;
2048		2919
2049	$SIG{FPE} = 'IGNORE';	2920	$SIG{FPE} = 'IGNORE';
2050		2921
2051	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2922	$safe->permit_only (Opcode::opset qw(
		2923	:base_core :base_mem :base_orig :base_math
		2924	grepstart grepwhile mapstart mapwhile
		2925	sort time
		2926	));
2052		2927
2053	# here we export the classes and methods available to script code	2928	# here we export the classes and methods available to script code
2054		2929
2055	=pod	2930	=pod
2056		2931
2057	The following fucntions and emthods are available within a safe environment:	2932	The following functions and methods are available within a safe environment:
2058		2933
2059	cf::object contr pay_amount pay_player map	2934	cf::object
		2935	contr pay_amount pay_player map x y force_find force_add destroy
		2936	insert remove name archname title slaying race decrease_ob_nr
		2937
2060	cf::object::player player	2938	cf::object::player
2061	cf::player peaceful	2939	player
2062	cf::map trigger	2940
		2941	cf::player
		2942	peaceful
		2943
		2944	cf::map
		2945	trigger
2063		2946
2064	=cut	2947	=cut
2065		2948
2066	for (	2949	for (
2067	["cf::object" => qw(contr pay_amount pay_player map)],	2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2951	insert remove inv name archname title slaying race
		2952	decrease_ob_nr destroy)],
2068	["cf::object::player" => qw(player)],	2953	["cf::object::player" => qw(player)],
2069	["cf::player" => qw(peaceful)],	2954	["cf::player" => qw(peaceful)],
2070	["cf::map" => qw(trigger)],	2955	["cf::map" => qw(trigger)],
2071	) {	2956	) {
2072	no strict 'refs';	2957	no strict 'refs';
…		…
2143	=back	3028	=back
2144		3029
2145	=cut	3030	=cut
2146		3031
2147	#############################################################################	3032	#############################################################################
		3033	# the server's init and main functions
2148		3034
2149	=head2 EXTENSION DATABASE SUPPORT	3035	sub load_facedata($) {
		3036	my ($path) = @_;
2150		3037
2151	Crossfire maintains a very simple database for extension use. It can	3038	# HACK to clear player env face cache, we need some signal framework
2152	currently store anything that can be serialised using Storable, which	3039	# for this (global event?)
2153	excludes objects.	3040	%ext::player_env::MUSIC_FACE_CACHE = ();
2154		3041
2155	The parameter C<$family> should best start with the name of the extension	3042	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2156	using it, it should be unique.
2157		3043
2158	=over 4	3044	warn "loading facedata from $path\n";
2159		3045
2160	=item $hashref = cf::db_get $family	3046	my $facedata;
		3047	0 < aio_load $path, $facedata
		3048	or die "$path: $!";
2161		3049
2162	Return a hashref for use by the extension C<$family>, which can be	3050	$facedata = Coro::Storable::thaw $facedata;
2163	modified. After modifications, you have to call C<cf::db_dirty> or
2164	C<cf::db_sync>.
2165		3051
2166	=item $value = cf::db_get $family => $key	3052	$facedata->{version} == 2
		3053	or cf::cleanup "$path: version mismatch, cannot proceed.";
2167		3054
2168	Returns a single value from the database	3055	# patch in the exptable
2169		3056	$facedata->{resource}{"res/exp_table"} = {
2170	=item cf::db_put $family => $hashref	3057	type => FT_RSRC,
2171		3058	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2172	Stores the given family hashref into the database. Updates are delayed, if
2173	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174
2175	=item cf::db_put $family => $key => $value
2176
2177	Stores the given C<$value> in the family hash. Updates are delayed, if you
2178	want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180	=item cf::db_dirty
2181
2182	Marks the database as dirty, to be updated at a later time.
2183
2184	=item cf::db_sync
2185
2186	Immediately write the database to disk I<if it is dirty>.
2187
2188	=cut
2189
2190	our $DB;
2191
2192	{
2193	my $path = cf::localdir . "/database.pst";
2194
2195	sub db_load() {
2196	$DB = stat $path ? Storable::retrieve $path : { };
2197	}	3059	};
		3060	cf::cede_to_tick;
2198		3061
2199	my $pid;
2200
2201	sub db_save() {
2202	waitpid $pid, 0 if $pid;
2203	if (0 == ($pid = fork)) {
2204	$DB->{_meta}{version} = 1;
2205	Storable::nstore $DB, "$path~";
2206	rename "$path~", $path;
2207	cf::_exit 0 if defined $pid;
2208	}
2209	}	3062	{
		3063	my $faces = $facedata->{faceinfo};
2210		3064
2211	my $dirty;	3065	while (my ($face, $info) = each %$faces) {
		3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3067	cf::face::set_visibility $idx, $info->{visibility};
		3068	cf::face::set_magicmap $idx, $info->{magicmap};
		3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2212		3071
2213	sub db_sync() {	3072	cf::cede_to_tick;
2214	db_save if $dirty;
2215	undef $dirty;
2216	}
2217
2218	my $idle = Event->idle (
2219	reentrant => 0,
2220	min => 10,
2221	max => 20,
2222	repeat => 0,
2223	data => WF_AUTOCANCEL,
2224	cb => \&db_sync,
2225	);
2226
2227	sub db_dirty() {
2228	$dirty = 1;
2229	$idle->start;
2230	}
2231
2232	sub db_get($;$) {
2233	@_ >= 2
2234	? $DB->{$_[0]}{$_[1]}
2235	: ($DB->{$_[0]} ||= { })
2236	}
2237
2238	sub db_put($$;$) {
2239	if (@_ >= 3) {
2240	$DB->{$_[0]}{$_[1]} = $_[2];
2241	} else {
2242	$DB->{$_[0]} = $_[1];
2243	}
2244	db_dirty;
2245	}
2246
2247	cf::global->attach (
2248	prio => 10000,
2249	on_cleanup => sub {
2250	db_sync;
2251	},	3073	}
2252	);
2253	}
2254		3074
2255	#############################################################################	3075	while (my ($face, $info) = each %$faces) {
2256	# the server's main()	3076	next unless $info->{smooth};
		3077	my $idx = cf::face::find $face
		3078	or next;
		3079	if (my $smooth = cf::face::find $info->{smooth}) {
		3080	cf::face::set_smooth $idx, $smooth;
		3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3082	} else {
		3083	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3084	}
2257		3085
2258	sub cfg_load {	3086	cf::cede_to_tick;
		3087	}
		3088	}
		3089
		3090	{
		3091	my $anims = $facedata->{animinfo};
		3092
		3093	while (my ($anim, $info) = each %$anims) {
		3094	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3095	cf::cede_to_tick;
		3096	}
		3097
		3098	cf::anim::invalidate_all; # d'oh
		3099	}
		3100
		3101	{
		3102	# TODO: for gcfclient pleasure, we should give resources
		3103	# that gcfclient doesn't grok a >10000 face index.
		3104	my $res = $facedata->{resource};
		3105
		3106	my $soundconf = delete $res->{"res/sound.conf"};
		3107
		3108	while (my ($name, $info) = each %$res) {
		3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3110	my $data;
		3111
		3112	if ($info->{type} & 1) {
		3113	# prepend meta info
		3114
		3115	my $meta = $enc->encode ({
		3116	name => $name,
		3117	%{ $info->{meta} || {} },
		3118	});
		3119
		3120	$data = pack "(w/a*)*", $meta, $info->{data};
		3121	} else {
		3122	$data = $info->{data};
		3123	}
		3124
		3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3126	cf::face::set_type $idx, $info->{type};
		3127
		3128	cf::cede_to_tick;
		3129	}
		3130
		3131	if ($soundconf) {
		3132	$soundconf = $enc->decode (delete $soundconf->{data});
		3133
		3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3135	my $sound = $soundconf->{compat}[$_]
		3136	or next;
		3137
		3138	my $face = cf::face::find "sound/$sound->[1]";
		3139	cf::sound::set $sound->[0] => $face;
		3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3141	}
		3142
		3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3144	my $face = cf::face::find "sound/$v";
		3145	cf::sound::set $k => $face;
		3146	}
		3147	}
		3148	}
		3149
		3150	1
		3151	}
		3152
		3153	register_exticmd fx_want => sub {
		3154	my ($ns, $want) = @_;
		3155
		3156	while (my ($k, $v) = each %$want) {
		3157	$ns->fx_want ($k, $v);
		3158	}
		3159	};
		3160
		3161	sub reload_regions {
		3162	# HACK to clear player env face cache, we need some signal framework
		3163	# for this (global event?)
		3164	%ext::player_env::MUSIC_FACE_CACHE = ();
		3165
		3166	load_resource_file "$MAPDIR/regions"
		3167	or die "unable to load regions file\n";
		3168
		3169	for (cf::region::list) {
		3170	$_->{match} = qr/$_->{match}/
		3171	if exists $_->{match};
		3172	}
		3173	}
		3174
		3175	sub reload_facedata {
		3176	load_facedata "$DATADIR/facedata"
		3177	or die "unable to load facedata\n";
		3178	}
		3179
		3180	sub reload_archetypes {
		3181	load_resource_file "$DATADIR/archetypes"
		3182	or die "unable to load archetypes\n";
		3183	#d# NEED to laod twice to resolve forward references
		3184	# this really needs to be done in an extra post-pass
		3185	# (which needs to be synchronous, so solve it differently)
		3186	load_resource_file "$DATADIR/archetypes"
		3187	or die "unable to load archetypes\n";
		3188	}
		3189
		3190	sub reload_treasures {
		3191	load_resource_file "$DATADIR/treasures"
		3192	or die "unable to load treasurelists\n";
		3193	}
		3194
		3195	sub reload_resources {
		3196	warn "reloading resource files...\n";
		3197
		3198	reload_regions;
		3199	reload_facedata;
		3200	#reload_archetypes;#d#
		3201	reload_archetypes;
		3202	reload_treasures;
		3203
		3204	warn "finished reloading resource files\n";
		3205	}
		3206
		3207	sub init {
		3208	reload_resources;
		3209	}
		3210
		3211	sub reload_config {
2259	open my $fh, "<:utf8", cf::confdir . "/config"	3212	open my $fh, "<:utf8", "$CONFDIR/config"
2260	or return;	3213	or return;
2261		3214
2262	local $/;	3215	local $/;
2263	*CFG = YAML::Syck::Load <$fh>;	3216	*CFG = YAML::Syck::Load <$fh>;
2264		3217
…		…
2279	sub main {	3232	sub main {
2280	# we must not ever block the main coroutine	3233	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3234	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3236	(async {
		3237	$Coro::current->{desc} = "IDLE BUG HANDLER";
2284	Event::one_event;	3238	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	3239	})->prio (Coro::PRIO_MAX);
2286	};	3240	};
2287		3241
2288	cfg_load;	3242	reload_config;
2289	db_load;	3243	db_init;
2290	load_extensions;	3244	load_extensions;
2291		3245
2292	$TICK_WATCHER->start;	3246	$TICK_WATCHER->start;
2293	Event::loop;	3247	Event::loop;
2294	}	3248	}
…		…
2309	},	3263	},
2310	);	3264	);
2311	}	3265	}
2312	}	3266	}
2313		3267
		3268	sub write_runtime {
		3269	my $runtime = "$LOCALDIR/runtime";
		3270
		3271	# first touch the runtime file to show we are still running:
		3272	# the fsync below can take a very very long time.
		3273
		3274	IO::AIO::aio_utime $runtime, undef, undef;
		3275
		3276	my $guard = cf::lock_acquire "write_runtime";
		3277
		3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3279	or return;
		3280
		3281	my $value = $cf::RUNTIME + 90 + 10;
		3282	# 10 is the runtime save interval, for a monotonic clock
		3283	# 60 allows for the watchdog to kill the server.
		3284
		3285	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3286	and return;
		3287
		3288	# always fsync - this file is important
		3289	aio_fsync $fh
		3290	and return;
		3291
		3292	# touch it again to show we are up-to-date
		3293	aio_utime $fh, undef, undef;
		3294
		3295	close $fh
		3296	or return;
		3297
		3298	aio_rename "$runtime~", $runtime
		3299	and return;
		3300
		3301	warn "runtime file written.\n";
		3302
		3303	1
		3304	}
		3305
2314	sub emergency_save() {	3306	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3307	my $freeze_guard = cf::freeze_mainloop;
2316		3308
2317	warn "enter emergency perl save\n";	3309	warn "enter emergency perl save\n";
2318		3310
…		…
2322	# and maps saved/destroyed asynchronously.	3314	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3315	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3316	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3317	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3318	$pl->valid or next;
		3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3320	$pl->save;
2328	}	3321	}
2329	warn "end emergency player save\n";	3322	warn "end emergency player save\n";
2330		3323
2331	warn "begin emergency map save\n";	3324	warn "begin emergency map save\n";
…		…
2333	my $map = $cf::MAP{$path} or next;	3326	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3327	$map->valid or next;
2335	$map->save;	3328	$map->save;
2336	}	3329	}
2337	warn "end emergency map save\n";	3330	warn "end emergency map save\n";
		3331
		3332	warn "begin emergency database checkpoint\n";
		3333	BDB::db_env_txn_checkpoint $DB_ENV;
		3334	warn "end emergency database checkpoint\n";
2338	};	3335	};
2339		3336
2340	warn "leave emergency perl save\n";	3337	warn "leave emergency perl save\n";
2341	}	3338	}
2342		3339
		3340	sub post_cleanup {
		3341	my ($make_core) = @_;
		3342
		3343	warn Carp::longmess "post_cleanup backtrace"
		3344	if $make_core;
		3345	}
		3346
2343	sub reload() {	3347	sub do_reload_perl() {
2344	# can/must only be called in main	3348	# can/must only be called in main
2345	if ($Coro::current != $Coro::main) {	3349	if ($Coro::current != $Coro::main) {
2346	warn "can only reload from main coroutine";	3350	warn "can only reload from main coroutine";
2347	return;	3351	return;
2348	}	3352	}
2349		3353
2350	warn "reloading...";	3354	warn "reloading...";
2351		3355
2352	warn "cancelling server ticker";	3356	warn "entering sync_job";
2353	$TICK_WATCHER->cancel;
2354		3357
		3358	cf::sync_job {
		3359	cf::write_runtime; # external watchdog should not bark
2355	cf::emergency_save;	3360	cf::emergency_save;
		3361	cf::write_runtime; # external watchdog should not bark
2356		3362
2357	eval {	3363	warn "syncing database to disk";
		3364	BDB::db_env_txn_checkpoint $DB_ENV;
		3365
2358	# if anything goes wrong in here, we should simply crash as we already saved	3366	# if anything goes wrong in here, we should simply crash as we already saved
2359
2360	warn "syncing database to disk";
2361	cf::db_sync;
2362		3367
2363	warn "cancelling all WF_AUTOCANCEL watchers";	3368	warn "cancelling all WF_AUTOCANCEL watchers";
2364	for (Event::all_watchers) {	3369	for (Event::all_watchers) {
2365	$_->cancel if $_->data & WF_AUTOCANCEL;	3370	$_->cancel if $_->data & WF_AUTOCANCEL;
2366	}	3371	}
2367		3372
2368	warn "flushing outstanding aio requests";	3373	warn "flushing outstanding aio requests";
2369	for (;;) {	3374	for (;;) {
		3375	BDB::flush;
2370	IO::AIO::flush;	3376	IO::AIO::flush;
2371	Coro::cede;	3377	Coro::cede_notself;
2372	last unless IO::AIO::nreqs;	3378	last unless IO::AIO::nreqs || BDB::nreqs;
2373	warn "iterate...";	3379	warn "iterate...";
2374	}	3380	}
		3381
		3382	++$RELOAD;
2375		3383
2376	warn "cancelling all extension coros";	3384	warn "cancelling all extension coros";
2377	$_->cancel for values %EXT_CORO;	3385	$_->cancel for values %EXT_CORO;
2378	%EXT_CORO = ();	3386	%EXT_CORO = ();
2379		3387
2380	warn "removing commands";	3388	warn "removing commands";
2381	%COMMAND = ();	3389	%COMMAND = ();
2382		3390
2383	warn "removing ext commands";	3391	warn "removing ext/exti commands";
2384	%EXTCMD = ();	3392	%EXTCMD = ();
		3393	%EXTICMD = ();
2385		3394
2386	warn "unloading/nuking all extensions";	3395	warn "unloading/nuking all extensions";
2387	for my $pkg (@EXTS) {	3396	for my $pkg (@EXTS) {
2388	warn "... unloading $pkg";	3397	warn "... unloading $pkg";
2389		3398
…		…
2419	Symbol::delete_package "safe::$_"	3428	Symbol::delete_package "safe::$_"
2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3429	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421		3430
2422	warn "unloading cf.pm \"a bit\"";	3431	warn "unloading cf.pm \"a bit\"";
2423	delete $INC{"cf.pm"};	3432	delete $INC{"cf.pm"};
		3433	delete $INC{"cf/pod.pm"};
2424		3434
2425	# don't, removes xs symbols, too,	3435	# don't, removes xs symbols, too,
2426	# and global variables created in xs	3436	# and global variables created in xs
2427	#Symbol::delete_package __PACKAGE__;	3437	#Symbol::delete_package __PACKAGE__;
2428		3438
…		…
2431	warn "reloading cf.pm";	3441	warn "reloading cf.pm";
2432	require cf;	3442	require cf;
2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434		3444
2435	warn "loading config and database again";	3445	warn "loading config and database again";
2436	cf::cfg_load;	3446	cf::reload_config;
2437	cf::db_load;
2438		3447
2439	warn "loading extensions";	3448	warn "loading extensions";
2440	cf::load_extensions;	3449	cf::load_extensions;
2441		3450
2442	warn "reattaching attachments to objects/players";	3451	warn "reattaching attachments to objects/players";
2443	_global_reattach;	3452	_global_reattach; # objects, sockets
2444	warn "reattaching attachments to maps";	3453	warn "reattaching attachments to maps";
2445	reattach $_ for values %MAP;	3454	reattach $_ for values %MAP;
		3455	warn "reattaching attachments to players";
		3456	reattach $_ for values %PLAYER;
2446		3457
2447	warn "restarting server ticker";	3458	warn "leaving sync_job";
2448		3459
2449	$TICK_WATCHER->start;	3460	1
2450	};	3461	} or do {
2451
2452	if ($@) {
2453	warn $@;	3462	warn $@;
2454	warn "error while reloading, exiting.";	3463	warn "error while reloading, exiting.";
2455	exit 1;	3464	exit 1;
2456	}	3465	};
2457		3466
2458	warn "reloaded";	3467	warn "reloaded";
2459	};	3468	};
2460		3469
2461	our $RELOAD_WATCHER; # used only during reload	3470	our $RELOAD_WATCHER; # used only during reload
2462		3471
		3472	sub reload_perl() {
		3473	# doing reload synchronously and two reloads happen back-to-back,
		3474	# coro crashes during coro_state_free->destroy here.
		3475
		3476	$RELOAD_WATCHER ||= Event->timer (
		3477	reentrant => 0,
		3478	after => 0,
		3479	data => WF_AUTOCANCEL,
		3480	cb => sub {
		3481	do_reload_perl;
		3482	undef $RELOAD_WATCHER;
		3483	},
		3484	);
		3485	}
		3486
2463	register_command "reload" => sub {	3487	register_command "reload" => sub {
2464	my ($who, $arg) = @_;	3488	my ($who, $arg) = @_;
2465		3489
2466	if ($who->flag (FLAG_WIZ)) {	3490	if ($who->flag (FLAG_WIZ)) {
2467	$who->message ("reloading server.");	3491	$who->message ("reloading server.");
2468		3492	async {
2469	# doing reload synchronously and two reloads happen back-to-back,	3493	$Coro::current->{desc} = "perl_reload";
2470	# coro crashes during coro_state_free->destroy here.
2471
2472	$RELOAD_WATCHER ||= Event->timer (
2473	reentrant => 0,
2474	after => 0,
2475	data => WF_AUTOCANCEL,
2476	cb => sub {
2477	reload;	3494	reload_perl;
2478	undef $RELOAD_WATCHER;
2479	},
2480	);	3495	};
2481	}	3496	}
2482	};	3497	};
2483		3498
2484	unshift @INC, $LIBDIR;	3499	unshift @INC, $LIBDIR;
2485		3500
2486	my $bug_warning = 0;	3501	my $bug_warning = 0;
		3502
		3503	our @WAIT_FOR_TICK;
		3504	our @WAIT_FOR_TICK_BEGIN;
		3505
		3506	sub wait_for_tick {
		3507	return unless $TICK_WATCHER->is_active;
		3508	return if $Coro::current == $Coro::main;
		3509
		3510	my $signal = new Coro::Signal;
		3511	push @WAIT_FOR_TICK, $signal;
		3512	$signal->wait;
		3513	}
		3514
		3515	sub wait_for_tick_begin {
		3516	return unless $TICK_WATCHER->is_active;
		3517	return if $Coro::current == $Coro::main;
		3518
		3519	my $signal = new Coro::Signal;
		3520	push @WAIT_FOR_TICK_BEGIN, $signal;
		3521	$signal->wait;
		3522	}
2487		3523
2488	$TICK_WATCHER = Event->timer (	3524	$TICK_WATCHER = Event->timer (
2489	reentrant => 0,	3525	reentrant => 0,
2490	parked => 1,	3526	parked => 1,
2491	prio => 0,	3527	prio => 0,
…		…
2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3532	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497	unless ++$bug_warning > 10;	3533	unless ++$bug_warning > 10;
2498	return;	3534	return;
2499	}	3535	}
2500		3536
2501	$NOW = Event::time;	3537	$NOW = $tick_start = Event::time;
2502		3538
2503	cf::server_tick; # one server iteration	3539	cf::server_tick; # one server iteration
		3540
2504	$RUNTIME += $TICK;	3541	$RUNTIME += $TICK;
2505	$NEXT_TICK += $TICK;	3542	$NEXT_TICK += $TICK;
2506		3543
2507	$WAIT_FOR_TICK->broadcast;	3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3545	$NEXT_RUNTIME_WRITE = $NOW + 10;
2509		3546	Coro::async_pool {
2510	Event::sweep;	3547	$Coro::current->{desc} = "runtime saver";
2511	Coro::cede_notself;	3548	write_runtime
		3549	or warn "ERROR: unable to write runtime file: $!";
		3550	};
2512		3551	}
2513	# my $AFTER = Event::time;	3552
2514	# warn $AFTER - $NOW;#d#	3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3554	$sig->send;
		3555	}
		3556	while (my $sig = shift @WAIT_FOR_TICK) {
		3557	$sig->send;
		3558	}
		3559
		3560	$NOW = Event::time;
2515		3561
2516	# if we are delayed by four ticks or more, skip them all	3562	# if we are delayed by four ticks or more, skip them all
2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3563	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2518		3564
2519	$TICK_WATCHER->at ($NEXT_TICK);	3565	$TICK_WATCHER->at ($NEXT_TICK);
2520	$TICK_WATCHER->start;	3566	$TICK_WATCHER->start;
		3567
		3568	$LOAD = ($NOW - $tick_start) / $TICK;
		3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3570
		3571	_post_tick;
2521	},	3572	},
2522	);	3573	);
2523		3574
		3575	{
		3576	BDB::min_parallel 8;
		3577	BDB::max_poll_time $TICK * 0.1;
		3578	$BDB_POLL_WATCHER = Event->io (
		3579	reentrant => 0,
		3580	fd => BDB::poll_fileno,
		3581	poll => 'r',
		3582	prio => 0,
		3583	data => WF_AUTOCANCEL,
		3584	cb => \&BDB::poll_cb,
		3585	);
		3586
		3587	BDB::set_sync_prepare {
		3588	my $status;
		3589	my $current = $Coro::current;
		3590	(
		3591	sub {
		3592	$status = $!;
		3593	$current->ready; undef $current;
		3594	},
		3595	sub {
		3596	Coro::schedule while defined $current;
		3597	$! = $status;
		3598	},
		3599	)
		3600	};
		3601
		3602	unless ($DB_ENV) {
		3603	$DB_ENV = BDB::db_env_create;
		3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3605	| BDB::LOG_AUTOREMOVE, 1);
		3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3608
		3609	cf::sync_job {
		3610	eval {
		3611	BDB::db_env_open
		3612	$DB_ENV,
		3613	$BDBDIR,
		3614	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3615	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3616	0666;
		3617
		3618	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3619	};
		3620
		3621	cf::cleanup "db_env_open(db): $@" if $@;
		3622	};
		3623	}
		3624
		3625	$BDB_DEADLOCK_WATCHER = Event->timer (
		3626	after => 3,
		3627	interval => 1,
		3628	hard => 1,
		3629	prio => 0,
		3630	data => WF_AUTOCANCEL,
		3631	cb => sub {
		3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3633	},
		3634	);
		3635	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3636	after => 11,
		3637	interval => 60,
		3638	hard => 1,
		3639	prio => 0,
		3640	data => WF_AUTOCANCEL,
		3641	cb => sub {
		3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3643	},
		3644	);
		3645	$BDB_TRICKLE_WATCHER = Event->timer (
		3646	after => 5,
		3647	interval => 10,
		3648	hard => 1,
		3649	prio => 0,
		3650	data => WF_AUTOCANCEL,
		3651	cb => sub {
		3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3653	},
		3654	);
		3655	}
		3656
		3657	{
		3658	IO::AIO::min_parallel 8;
		3659
		3660	undef $Coro::AIO::WATCHER;
2524	IO::AIO::max_poll_time $TICK * 0.1;	3661	IO::AIO::max_poll_time $TICK * 0.1;
2525
2526	undef $Coro::AIO::WATCHER;
2527	$AIO_POLL_WATCHER = Event->io (	3662	$AIO_POLL_WATCHER = Event->io (
2528	reentrant => 0,	3663	reentrant => 0,
		3664	data => WF_AUTOCANCEL,
2529	fd => IO::AIO::poll_fileno,	3665	fd => IO::AIO::poll_fileno,
2530	poll => 'r',	3666	poll => 'r',
2531	prio => 6,	3667	prio => 0,
2532	data => WF_AUTOCANCEL,
2533	cb => \&IO::AIO::poll_cb,	3668	cb => \&IO::AIO::poll_cb,
2534	);	3669	);
		3670	}
2535		3671
2536	$WRITE_RUNTIME_WATCHER = Event->timer (	3672	my $_log_backtrace;
2537	reentrant => 0,	3673
2538	data => WF_AUTOCANCEL,	3674	sub _log_backtrace {
2539	after => 1,	3675	my ($msg, @addr) = @_;
2540	interval => 10,	3676
2541	prio => 6, # keep it lowest so it acts like a watchdog	3677	$msg =~ s/\n//;
2542	cb => Coro::unblock_sub {	3678
2543	write_runtime	3679	# limit the # of concurrent backtraces
2544	or warn "ERROR: unable to write runtime file: $!";	3680	if ($_log_backtrace < 2) {
		3681	++$_log_backtrace;
		3682	async {
		3683	$Coro::current->{desc} = "abt $msg";
		3684
		3685	my @bt = fork_call {
		3686	@addr = map { sprintf "%x", $_ } @addr;
		3687	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3688	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3689	or die "addr2line: $!";
		3690
		3691	my @funcs;
		3692	my @res = <$fh>;
		3693	chomp for @res;
		3694	while (@res) {
		3695	my ($func, $line) = splice @res, 0, 2, ();
		3696	push @funcs, "[$func] $line";
		3697	}
		3698
		3699	@funcs
		3700	};
		3701
		3702	LOG llevInfo, "[ABT] $msg\n";
		3703	LOG llevInfo, "[ABT] $_\n" for @bt;
		3704	--$_log_backtrace;
		3705	};
		3706	} else {
		3707	LOG llevInfo, "[ABT] $msg\n";
		3708	LOG llevInfo, "[ABT] [suppressed]\n";
2545	},	3709	}
2546	);	3710	}
		3711
		3712	# load additional modules
		3713	use cf::pod;
2547		3714
2548	END { cf::emergency_save }	3715	END { cf::emergency_save }
2549		3716
2550	1	3717	1
2551		3718

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