ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.195 by root, Fri Jan 26 20:59:57 2007 UTC vs.
Revision 1.395 by root, Sat Nov 10 22:41:59 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.
115		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.
		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/deliantra-server/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 Deliantra 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 Deliantra 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	Deliantra).
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	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	# match a pod interior sequence sans C<< >>
		1558	(?:
		1559	\ (.*?)\ (?{ $group = $^N })
		1560	| < (??{$interior}) >
		1561	)
		1562	}x;
		1563
		1564	sub expand_cfpod {
		1565	my ($self, $pod) = @_;
		1566
		1567	my $xml;
		1568
		1569	while () {
		1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1571	$group = $1;
		1572
		1573	$group =~ s/&/&amp;/g;
		1574	$group =~ s/</&lt;/g;
		1575
		1576	$xml .= $group;
		1577	} elsif ($pod =~ m%\G
		1578	([BCGHITU])
		1579	<
		1580	(?:
		1581	([^<>]*) (?{ $group = $^N })
		1582	| < $interior >
		1583	)
		1584	>
		1585	%gcsx
		1586	) {
		1587	my ($code, $data) = ($1, $group);
		1588
		1589	if ($code eq "B") {
		1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1591	} elsif ($code eq "I") {
		1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1593	} elsif ($code eq "U") {
		1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1595	} elsif ($code eq "C") {
		1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1597	} elsif ($code eq "T") {
		1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1599	} elsif ($code eq "G") {
		1600	my ($male, $female) = split /\|/, $data;
		1601	$data = $self->gender ? $female : $male;
		1602	$xml .= expand_cfpod ($self, $data);
		1603	} elsif ($code eq "H") {
		1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1606	"")
		1607	[$self->{hintmode}];
		1608	} else {
		1609	$xml .= "error processing '$code($data)' directive";
		1610	}
		1611	} else {
		1612	if ($pod =~ /\G(.+)/) {
		1613	warn "parse error while expanding $pod (at $1)";
		1614	}
		1615	last;
		1616	}
		1617	}
		1618
		1619	for ($xml) {
		1620	# create single paragraphs (very hackish)
		1621	s/(?<=\S)\n(?=\w)/ /g;
		1622
		1623	# compress some whitespace
		1624	s/\s+\n/\n/g; # ws line-ends
		1625	s/\n\n+/\n/g; # double lines
		1626	s/^\n+//; # beginning lines
		1627	s/\n+$//; # ending lines
		1628	}
		1629
		1630	$xml
		1631	}
		1632
		1633	no re 'eval';
		1634
		1635	sub hintmode {
		1636	$_[0]{hintmode} = $_[1] if @_ > 1;
		1637	$_[0]{hintmode}
		1638	}
		1639
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1640	=item $player->ext_reply ($msgid, @msg)
1091		1641
1092	Sends an ext reply to the player.	1642	Sends an ext reply to the player.
1093		1643
1094	=cut	1644	=cut
1095		1645
1096	sub ext_reply($$$%) {	1646	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1647	my ($self, $id, @msg) = @_;
1098		1648
1099	$msg{msgid} = $id;	1649	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1650	}
1103		1651
1104	package cf;	1652	=item $player->ext_msg ($type, @msg)
		1653
		1654	Sends an ext event to the client.
		1655
		1656	=cut
		1657
		1658	sub ext_msg($$@) {
		1659	my ($self, $type, @msg) = @_;
		1660
		1661	$self->ns->ext_msg ($type, @msg);
		1662	}
		1663
		1664	=head3 cf::region
		1665
		1666	=over 4
		1667
		1668	=cut
		1669
		1670	package cf::region;
		1671
		1672	=item cf::region::find_by_path $path
		1673
		1674	Tries to decuce the likely region for a map knowing only its path.
		1675
		1676	=cut
		1677
		1678	sub find_by_path($) {
		1679	my ($path) = @_;
		1680
		1681	my ($match, $specificity);
		1682
		1683	for my $region (list) {
		1684	if ($region->{match} && $path =~ $region->{match}) {
		1685	($match, $specificity) = ($region, $region->specificity)
		1686	if $region->specificity > $specificity;
		1687	}
		1688	}
		1689
		1690	$match
		1691	}
1105		1692
1106	=back	1693	=back
1107
1108		1694
1109	=head3 cf::map	1695	=head3 cf::map
1110		1696
1111	=over 4	1697	=over 4
1112		1698
…		…
1167	my ($self, $merge) = @_;	1753	my ($self, $merge) = @_;
1168		1754
1169	# we have to keep some variables in memory intact	1755	# we have to keep some variables in memory intact
1170	local $self->{path};	1756	local $self->{path};
1171	local $self->{load_path};	1757	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1758
1175	$self->SUPER::thawer_merge ($merge);	1759	$self->SUPER::thawer_merge ($merge);
1176	}	1760	}
1177		1761
1178	sub normalise {	1762	sub normalise {
1179	my ($path, $base) = @_;	1763	my ($path, $base) = @_;
1180		1764
1181	$path = "$path"; # make sure its a string	1765	$path = "$path"; # make sure its a string
		1766
		1767	$path =~ s/\.map$//;
1182		1768
1183	# map plan:	1769	# map plan:
1184	#	1770	#
1185	# /! non-realised random map exit (special hack!)	1771	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1772	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1809	$self->init; # pass $1 etc.
1224	return $self;	1810	return $self;
1225	}	1811	}
1226	}	1812	}
1227		1813
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1814	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1815	()
1230	}	1816	}
1231		1817
1232	sub init {	1818	sub init {
1233	my ($self) = @_;	1819	my ($self) = @_;
…		…
1248		1834
1249	# the original (read-only) location	1835	# the original (read-only) location
1250	sub load_path {	1836	sub load_path {
1251	my ($self) = @_;	1837	my ($self) = @_;
1252		1838
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1839	"$MAPDIR/$self->{path}.map"
1254	}	1840	}
1255		1841
1256	# the temporary/swap location	1842	# the temporary/swap location
1257	sub save_path {	1843	sub save_path {
1258	my ($self) = @_;	1844	my ($self) = @_;
1259		1845
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1847	"$TMPDIR/$path.map"
1262	}	1848	}
1263		1849
1264	# the unique path, undef == no special unique path	1850	# the unique path, undef == no special unique path
1265	sub uniq_path {	1851	sub uniq_path {
1266	my ($self) = @_;	1852	my ($self) = @_;
1267		1853
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1855	"$UNIQUEDIR/$path"
1270	}	1856	}
1271		1857
1272	# and all this just because we cannot iterate over	1858	# and all this just because we cannot iterate over
1273	# all maps in C++...	1859	# all maps in C++...
1274	sub change_all_map_light {	1860	sub change_all_map_light {
…		…
1276		1862
1277	$_->change_map_light ($change)	1863	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1864	for grep $_->outdoor, values %cf::MAP;
1279	}	1865	}
1280		1866
		1867	sub decay_objects {
		1868	my ($self) = @_;
		1869
		1870	return if $self->{deny_reset};
		1871
		1872	$self->do_decay_objects;
		1873	}
		1874
1281	sub unlink_save {	1875	sub unlink_save {
1282	my ($self) = @_;	1876	my ($self) = @_;
1283		1877
1284	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1882
1289	sub load_header_from($) {	1883	sub load_header_from($) {
1290	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1291		1885
1292	utf8::encode $path;	1886	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1294	or return;	1888	or return;
1295		1889
1296	$self->_load_header ($path)	1890	$self->_load_header ($f)
1297	or return;	1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1298		1895
1299	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1300		1897
1301	1	1898	1
1302	}	1899	}
…		…
1341	$self->load_header_orig	1938	$self->load_header_orig
1342	or return;	1939	or return;
1343	$self->prepare_orig;	1940	$self->prepare_orig;
1344	}	1941	}
1345		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
1346	1	1949	1
1347	}	1950	}
1348		1951
1349	sub find;	1952	sub find;
1350	sub find {	1953	sub find {
1351	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1352		1955
1353	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1354		1957
		1958	cf::lock_wait "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	1959	cf::lock_wait "map_find:$path";
1356		1960
1357	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";	1962	my $guard1 = cf::lock_acquire "map_find:$path";
		1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1964
1359	my $map = new_from_path cf::map $path	1965	my $map = new_from_path cf::map $path
1360	or return;	1966	or return;
1361		1967
1362	$map->{last_save} = $cf::RUNTIME;	1968	$map->{last_save} = $cf::RUNTIME;
1363		1969
1364	$map->load_header	1970	$map->load_header
1365	or return;	1971	or return;
1366		1972
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1974	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1975	#$cf::WAIT_FOR_TICK->wait;
		1976	undef $guard1;
		1977	undef $guard2;
1370	$map->reset;	1978	$map->reset;
1371	undef $guard;
1372	return find $path;	1979	return find $path;
1373	}	1980	}
1374		1981
1375	$cf::MAP{$path} = $map	1982	$cf::MAP{$path} = $map
1376	}	1983	}
…		…
1380	sub post_load { }	1987	sub post_load { }
1381		1988
1382	sub load {	1989	sub load {
1383	my ($self) = @_;	1990	my ($self) = @_;
1384		1991
		1992	local $self->{deny_reset} = 1; # loading can take a long time
		1993
1385	my $path = $self->{path};	1994	my $path = $self->{path};
		1995
		1996	{
1386	my $guard = cf::lock_acquire "map_load:$path";	1997	my $guard = cf::lock_acquire "map_data:$path";
1387		1998
		1999	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2000	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2001
1390	$self->in_memory (cf::MAP_LOADING);	2002	$self->in_memory (cf::MAP_LOADING);
1391		2003
1392	$self->alloc;	2004	$self->alloc;
1393		2005
1394	$self->pre_load;	2006	$self->pre_load;
		2007	cf::cede_to_tick;
1395		2008
1396	$self->_load_objects ($self->{load_path}, 1)	2009	my $f = new_from_file cf::object::thawer $self->{load_path};
		2010	$f->skip_block;
		2011	$self->_load_objects ($f)
1397	or return;	2012	or return;
1398		2013
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1400	if delete $self->{load_original};	2015	if delete $self->{load_original};
1401		2016
1402	if (my $uniq = $self->uniq_path) {	2017	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2018	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2019	unless (aio_stat $uniq) {
		2020	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2021	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2022	$self->_load_objects ($f);
		2023	$f->resolve_delayed_derefs;
		2024	}
1407	}	2025	}
1408	}	2026	}
1409		2027
1410	Coro::cede;	2028	$f->resolve_delayed_derefs;
1411		2029
		2030	cf::cede_to_tick;
1412	# now do the right thing for maps	2031	# now do the right thing for maps
1413	$self->link_multipart_objects;	2032	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2033	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2034	unless $self->difficulty;
1423	Coro::cede;	2035	cf::cede_to_tick;
		2036
		2037	unless ($self->{deny_activate}) {
		2038	$self->decay_objects;
		2039	$self->fix_auto_apply;
		2040	$self->update_buttons;
		2041	cf::cede_to_tick;
		2042	$self->set_darkness_map;
		2043	cf::cede_to_tick;
1424	$self->activate;	2044	$self->activate;
		2045	}
		2046
		2047	$self->{last_save} = $cf::RUNTIME;
		2048	$self->last_access ($cf::RUNTIME);
		2049
		2050	$self->in_memory (cf::MAP_IN_MEMORY);
1425	}	2051	}
1426		2052
1427	$self->post_load;	2053	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2054	}
1431		2055
1432	sub customise_for {	2056	sub customise_for {
1433	my ($self, $ob) = @_;	2057	my ($self, $ob) = @_;
1434		2058
1435	return find "~" . $ob->name . "/" . $self->{path}	2059	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2060	if $self->per_player;
1437		2061
		2062	# return find "?party/" . $ob->name . "/" . $self->{path}
		2063	# if $self->per_party;
		2064
1438	$self	2065	$self
1439	}	2066	}
1440		2067
1441	# find and load all maps in the 3x3 area around a map	2068	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	2069	sub load_neighbours {
1443	my ($map) = @_;	2070	my ($map) = @_;
1444		2071
1445	my @diag; # diagonal neighbours	2072	my @neigh; # diagonal neighbours
1446		2073
1447	for (0 .. 3) {	2074	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2075	my $neigh = $map->tile_path ($_)
1449	or next;	2076	or next;
1450	$neigh = find $neigh, $map	2077	$neigh = find $neigh, $map
1451	or next;	2078	or next;
1452	$neigh->load;	2079	$neigh->load;
1453		2080
		2081	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2084	}
1457		2085
1458	for (@diag) {	2086	for (grep defined $_->[0], @neigh) {
		2087	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2088	my $neigh = find $path, $origin
1460	or next;	2089	or next;
1461	$neigh->load;	2090	$neigh->load;
1462	}	2091	}
1463	}	2092	}
1464		2093
…		…
1469	}	2098	}
1470		2099
1471	sub do_load_sync {	2100	sub do_load_sync {
1472	my ($map) = @_;	2101	my ($map) = @_;
1473		2102
		2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2104	if $Coro::current == $Coro::main;
		2105
1474	cf::sync_job { $map->load };	2106	cf::sync_job { $map->load };
1475	}	2107	}
1476		2108
1477	our %MAP_PREFETCH;	2109	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2110	our $MAP_PREFETCHER = undef;
1479		2111
1480	sub find_async {	2112	sub find_async {
1481	my ($path, $origin) = @_;	2113	my ($path, $origin, $load) = @_;
1482		2114
1483	$path = normalise $path, $origin && $origin->{path};	2115	$path = normalise $path, $origin && $origin->{path};
1484		2116
1485	if (my $map = $cf::MAP{$path}) {	2117	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1487	}	2119	}
1488		2120
1489	undef $MAP_PREFETCH{$path};	2121	$MAP_PREFETCH{$path} |= $load;
		2122
1490	$MAP_PREFETCHER ||= cf::async {	2123	$MAP_PREFETCHER ||= cf::async {
		2124	$Coro::current->{desc} = "map prefetcher";
		2125
1491	while (%MAP_PREFETCH) {	2126	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2127	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2128	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2129	$map->load if $v;
		2130	}
1496		2131
1497	delete $MAP_PREFETCH{$path};	2132	delete $MAP_PREFETCH{$k};
1498	}	2133	}
1499	}	2134	}
1500	undef $MAP_PREFETCHER;	2135	undef $MAP_PREFETCHER;
1501	};	2136	};
1502	$MAP_PREFETCHER->prio (6);	2137	$MAP_PREFETCHER->prio (6);
…		…
1505	}	2140	}
1506		2141
1507	sub save {	2142	sub save {
1508	my ($self) = @_;	2143	my ($self) = @_;
1509		2144
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2146
1512	$self->{last_save} = $cf::RUNTIME;	2147	$self->{last_save} = $cf::RUNTIME;
1513		2148
1514	return unless $self->dirty;	2149	return unless $self->dirty;
1515		2150
…		…
1521	return if $self->{deny_save};	2156	return if $self->{deny_save};
1522		2157
1523	local $self->{last_access} = $self->last_access;#d#	2158	local $self->{last_access} = $self->last_access;#d#
1524		2159
1525	cf::async {	2160	cf::async {
		2161	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2162	$_->contr->save for $self->players;
1527	};	2163	};
1528		2164
1529	if ($uniq) {	2165	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1538	my ($self) = @_;	2174	my ($self) = @_;
1539		2175
1540	# save first because save cedes	2176	# save first because save cedes
1541	$self->save;	2177	$self->save;
1542		2178
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2180
1545	return if $self->players;	2181	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_IN_MEMORY;
1547	return if $self->{deny_save};	2183	return if $self->{deny_save};
1548		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1549	$self->clear;	2189	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2190	}
1552		2191
1553	sub reset_at {	2192	sub reset_at {
1554	my ($self) = @_;	2193	my ($self) = @_;
1555		2194
1556	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1559		2197
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2200
…		…
1573	my ($self) = @_;	2211	my ($self) = @_;
1574		2212
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2214
1577	return if $self->players;	2215	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2216
1580	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
		2218
		2219	$self->in_memory (cf::MAP_SWAPPED);
		2220
		2221	# need to save uniques path
		2222	unless ($self->{deny_save}) {
		2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2224
		2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2226	if $uniq;
		2227	}
1581		2228
1582	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1583		2230
1584	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2233	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2234
1589	$self->unlink_save;	2235	$self->unlink_save;
1590	$self->destroy;	2236	$self->destroy;
1591	}	2237	}
1592		2238
1593	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1594		2240
1595	sub nuke {	2241	sub nuke {
1596	my ($self) = @_;	2242	my ($self) = @_;
1597		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1598	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1599		2248
1600	$self->unlink_save;	2249	$self->unlink_save;
1601		2250
1602	bless $self, "cf::map";	2251	bless $self, "cf::map";
1603	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2256
1608	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1609		2259
1610	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1611	}	2297	}
1612		2298
1613	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1614		2300
1615	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2302	instantiated unique items. May block.
1617		2303
1618	=cut	2304	=cut
1619		2305
1620	sub unique_maps() {	2306	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1622	or return;	2308	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2309	utf8::decode $_;
1628	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;
1630
1631	s/\.map$//;	2310	/\.map$/
1632	push @paths, $_;	2311	? normalise $_
		2312	: ()
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2314	]
1634
1635	\@paths
1636	}	2315	}
1637		2316
1638	package cf;	2317	package cf;
1639		2318
1640	=back	2319	=back
…		…
1658	map { $_, inv_recursive_ $_->inv } @_	2337	map { $_, inv_recursive_ $_->inv } @_
1659	}	2338	}
1660		2339
1661	sub inv_recursive {	2340	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
		2342	}
		2343
		2344	=item $ref = $ob->ref
		2345
		2346	creates and returns a persistent reference to an objetc that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
1663	}	2370	}
1664		2371
1665	package cf;	2372	package cf;
1666		2373
1667	=back	2374	=back
…		…
1686		2393
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2394	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2395
1689	if ($self->{record_replies}) {	2396	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2397	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2398
1691	} else {	2399	} else {
		2400	my $pl = $self->contr;
		2401
		2402	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2403	my $dialog = $pl->{npc_dialog};
		2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2405
		2406	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2407	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2408	$self->message ($msg, $flags);
		2409	}
1694	}	2410	}
		2411	}
		2412
		2413	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2414
		2415	=cut
		2416
		2417	sub cf::object::send_msg {
		2418	my $pl = shift->contr
		2419	or return;
		2420	$pl->send_msg (@_);
1695	}	2421	}
1696		2422
1697	=item $player_object->may ("access")	2423	=item $player_object->may ("access")
1698		2424
1699	Returns wether the given player is authorized to access resource "access"	2425	Returns wether the given player is authorized to access resource "access"
…		…
1731	=cut	2457	=cut
1732		2458
1733	sub link_map {	2459	sub link_map {
1734	unless ($LINK_MAP) {	2460	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2461	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2462	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2463	$LINK_MAP->load;
1738	}	2464	}
1739		2465
1740	$LINK_MAP	2466	$LINK_MAP
1741	}	2467	}
…		…
1746	$self->deactivate_recursive;	2472	$self->deactivate_recursive;
1747		2473
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2474	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2475
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2477	if $self->map && $self->map->{path} ne "{link}";
1752		2478
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2480	}
1755		2481
1756	sub cf::object::player::leave_link {	2482	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2483	my ($self, $map, $x, $y) = @_;
		2484
		2485	return unless $self->contr->active;
1758		2486
1759	my $link_pos = delete $self->{_link_pos};	2487	my $link_pos = delete $self->{_link_pos};
1760		2488
1761	unless ($map) {	2489	unless ($map) {
1762	# restore original map position	2490	# restore original map position
…		…
1776	# use -1 or undef as default coordinates, not 0, 0	2504	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2505	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2506	if $x <=0 && $y <= 0;
1779		2507
1780	$map->load;	2508	$map->load;
1781	$map->load_diag;	2509	$map->load_neighbours;
1782		2510
1783	return unless $self->contr->active;	2511	return unless $self->contr->active;
1784	$self->activate_recursive;	2512	$self->activate_recursive;
		2513
		2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2515	$self->enter_map ($map, $x, $y);
1786	}	2516	}
1787		2517
1788	cf::player->attach (	2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2519
1792	# abort map switching before logout	2520	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2521	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2522	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2523	the new (success) or old (failed) map position. In either case, $done will
1796	};	2524	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2525
1802	# try to abort aborted map switching on player login :)
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2526	=cut
		2527
		2528	our $GOTOGEN;
1823		2529
1824	sub cf::object::player::goto {	2530	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2531	my ($self, $path, $x, $y, $check, $done) = @_;
		2532
		2533	# do generation counting so two concurrent goto's will be executed in-order
		2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2535
1827	$self->enter_link;	2536	$self->enter_link;
1828		2537
1829	(async {	2538	(async {
1830	my $map = cf::map::find $path;	2539	$Coro::current->{desc} = "player::goto $path $x $y";
		2540
		2541	# *tag paths override both path and x|y
		2542	if ($path =~ /^\*(.*)$/) {
		2543	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2544	my $ob = $obs[rand @obs];
		2545
		2546	# see if we actually can go there
		2547	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2548	$ob = $obs[rand @obs];
		2549	} else {
		2550	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2551	}
		2552	# else put us there anyways for now #d#
		2553
		2554	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2555	} else {
		2556	($path, $x, $y) = (undef, undef, undef);
		2557	}
		2558	}
		2559
		2560	my $map = eval {
		2561	my $map = defined $path ? cf::map::find $path : undef;
		2562
		2563	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2564	$map = $map->customise_for ($self);
1832		2565	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2566	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
1837		2569
		2570	$map
		2571	};
		2572
		2573	if ($@) {
		2574	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2575	LOG llevError | logBacktrace, Carp::longmess $@;
		2576	}
		2577
		2578	if ($gen == $self->{_goto_generation}) {
		2579	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2580	$self->leave_link ($map, $x, $y);
		2581	}
		2582
		2583	$done->() if $done;
1839	})->prio (1);	2584	})->prio (1);
1840	}	2585	}
1841		2586
1842	=item $player_object->enter_exit ($exit_object)	2587	=item $player_object->enter_exit ($exit_object)
1843		2588
…		…
1872	# that depends on the exit object	2617	# that depends on the exit object
1873		2618
1874	my $rmp = parse_random_map_params $exit->msg;	2619	my $rmp = parse_random_map_params $exit->msg;
1875		2620
1876	if ($exit->map) {	2621	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2622	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2623	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2624	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2625	$rmp->{origin_y} = $exit->y;
1881	}	2626	}
1882		2627
1883	$rmp->{random_seed} ||= $exit->random_seed;	2628	$rmp->{random_seed} ||= $exit->random_seed;
1884		2629
1885	my $data = cf::to_json $rmp;	2630	my $data = cf::to_json $rmp;
1886	my $md5 = Digest::MD5::md5_hex $data;	2631	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2632	my $meta = "$RANDOMDIR/$md5.meta";
1888		2633
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2635	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2636	undef $fh;
1892	aio_rename "$meta~", $meta;	2637	aio_rename "$meta~", $meta;
…		…
1901		2646
1902	return unless $self->type == cf::PLAYER;	2647	return unless $self->type == cf::PLAYER;
1903		2648
1904	if ($exit->slaying eq "/!") {	2649	if ($exit->slaying eq "/!") {
1905	#TODO: this should de-fi-ni-te-ly not be a sync-job	2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2651	# the problem is that $exit might not survive long enough
		2652	# so it needs to be done right now, right here
1906	cf::sync_job { prepare_random_map $exit };	2653	cf::sync_job { prepare_random_map $exit };
1907	}	2654	}
1908		2655
1909	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1910	my $hp = $exit->stats->hp;	2657	my $hp = $exit->stats->hp;
1911	my $sp = $exit->stats->sp;	2658	my $sp = $exit->stats->sp;
1912		2659
1913	$self->enter_link;	2660	$self->enter_link;
1914		2661
		2662	# if exit is damned, update players death & WoR home-position
		2663	$self->contr->savebed ($slaying, $hp, $sp)
		2664	if $exit->flag (FLAG_DAMNED);
		2665
1915	(async {	2666	(async {
		2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2668
1916	$self->deactivate_recursive; # just to be sure	2669	$self->deactivate_recursive; # just to be sure
1917	unless (eval {	2670	unless (eval {
1918	$self->goto ($slaying, $hp, $sp);	2671	$self->goto ($slaying, $hp, $sp);
1919		2672
1920	1;	2673	1;
1921	}) {	2674	}) {
1922	$self->message ("Something went wrong deep within the crossfire server. "	2675	$self->message ("Something went wrong deep within the crossfire server. "
1923	. "I'll try to bring you back to the map you were before. "	2676	. "I'll try to bring you back to the map you were before. "
1924	. "Please report this to the dungeon master!",	2677	. "Please report this to the dungeon master!",
1925	cf::NDI_UNIQUE | cf::NDI_RED);	2678	cf::NDI_UNIQUE | cf::NDI_RED);
1926		2679
1927	warn "ERROR in enter_exit: $@";	2680	warn "ERROR in enter_exit: $@";
1928	$self->leave_link;	2681	$self->leave_link;
1929	}	2682	}
1930	})->prio (1);	2683	})->prio (1);
…		…
1943		2696
1944	sub cf::client::send_drawinfo {	2697	sub cf::client::send_drawinfo {
1945	my ($self, $text, $flags) = @_;	2698	my ($self, $text, $flags) = @_;
1946		2699
1947	utf8::encode $text;	2700	utf8::encode $text;
1948	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1949	}	2702	}
1950		2703
		2704	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2705
		2706	Send a drawinfo or msg packet to the client, formatting the msg for the
		2707	client if neccessary. C<$type> should be a string identifying the type of
		2708	the message, with C<log> being the default. If C<$color> is negative, suppress
		2709	the message unless the client supports the msg packet.
		2710
		2711	=cut
		2712
		2713	# non-persistent channels (usually the info channel)
		2714	our %CHANNEL = (
		2715	"c/identify" => {
		2716	id => "infobox",
		2717	title => "Identify",
		2718	reply => undef,
		2719	tooltip => "Items recently identified",
		2720	},
		2721	"c/examine" => {
		2722	id => "infobox",
		2723	title => "Examine",
		2724	reply => undef,
		2725	tooltip => "Signs and other items you examined",
		2726	},
		2727	"c/book" => {
		2728	id => "infobox",
		2729	title => "Book",
		2730	reply => undef,
		2731	tooltip => "The contents of a note or book",
		2732	},
		2733	"c/lookat" => {
		2734	id => "infobox",
		2735	title => "Look",
		2736	reply => undef,
		2737	tooltip => "What you saw there",
		2738	},
		2739	"c/who" => {
		2740	id => "infobox",
		2741	title => "Players",
		2742	reply => undef,
		2743	tooltip => "Shows players who are currently online",
		2744	},
		2745	"c/body" => {
		2746	id => "infobox",
		2747	title => "Body Parts",
		2748	reply => undef,
		2749	tooltip => "Shows which body parts you posess and are available",
		2750	},
		2751	"c/uptime" => {
		2752	id => "infobox",
		2753	title => "Uptime",
		2754	reply => undef,
		2755	tooltip => "How long the server has been running since last restart",
		2756	},
		2757	"c/mapinfo" => {
		2758	id => "infobox",
		2759	title => "Map Info",
		2760	reply => undef,
		2761	tooltip => "Information related to the maps",
		2762	},
		2763	);
		2764
		2765	sub cf::client::send_msg {
		2766	my ($self, $channel, $msg, $color, @extra) = @_;
		2767
		2768	$msg = $self->pl->expand_cfpod ($msg);
		2769
		2770	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2771
		2772	# check predefined channels, for the benefit of C
		2773	if ($CHANNEL{$channel}) {
		2774	$channel = $CHANNEL{$channel};
		2775
		2776	$self->ext_msg (channel_info => $channel)
		2777	if $self->can_msg;
		2778
		2779	$channel = $channel->{id};
		2780
		2781	} elsif (ref $channel) {
		2782	# send meta info to client, if not yet sent
		2783	unless (exists $self->{channel}{$channel->{id}}) {
		2784	$self->{channel}{$channel->{id}} = $channel;
		2785	$self->ext_msg (channel_info => $channel)
		2786	if $self->can_msg;
		2787	}
		2788
		2789	$channel = $channel->{id};
		2790	}
		2791
		2792	return unless @extra || length $msg;
		2793
		2794	if ($self->can_msg) {
		2795	# default colour, mask it out
		2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2797	if $color & cf::NDI_DEF;
		2798
		2799	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2801	} else {
		2802	if ($color >= 0) {
		2803	# replace some tags by gcfclient-compatible ones
		2804	for ($msg) {
		2805	1 while
		2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2811	}
		2812
		2813	$color &= cf::NDI_COLOR_MASK;
		2814
		2815	utf8::encode $msg;
		2816
		2817	if (0 && $msg =~ /\[/) {
		2818	# COMMAND/INFO
		2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2820	} else {
		2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2822	$self->send_packet ("drawinfo $color $msg")
		2823	}
		2824	}
		2825	}
		2826	}
		2827
		2828	=item $client->ext_msg ($type, @msg)
		2829
		2830	Sends an ext event to the client.
		2831
		2832	=cut
		2833
		2834	sub cf::client::ext_msg($$@) {
		2835	my ($self, $type, @msg) = @_;
		2836
		2837	if ($self->extcmd == 2) {
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2839	} elsif ($self->extcmd == 1) { # TODO: remove
		2840	push @msg, msgtype => "event_$type";
		2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2842	}
		2843	}
		2844
		2845	=item $client->ext_reply ($msgid, @msg)
		2846
		2847	Sends an ext reply to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_reply($$@) {
		2852	my ($self, $id, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2856	} elsif ($self->extcmd == 1) {
		2857	#TODO: version 1, remove
		2858	unshift @msg, msgtype => "reply", msgid => $id;
		2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2860	}
		2861	}
1951		2862
1952	=item $success = $client->query ($flags, "text", \&cb)	2863	=item $success = $client->query ($flags, "text", \&cb)
1953		2864
1954	Queues a query to the client, calling the given callback with	2865	Queues a query to the client, calling the given callback with
1955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2866	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2867	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1957		2868
1958	Queries can fail, so check the return code. Or don't, as queries will become	2869	Queries can fail, so check the return code. Or don't, as queries will
1959	reliable at some point in the future.	2870	become reliable at some point in the future.
1960		2871
1961	=cut	2872	=cut
1962		2873
1963	sub cf::client::query {	2874	sub cf::client::query {
1964	my ($self, $flags, $text, $cb) = @_;	2875	my ($self, $flags, $text, $cb) = @_;
…		…
1972	utf8::encode $text;	2883	utf8::encode $text;
1973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2884	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1974		2885
1975	$self->send_packet ($self->{query_queue}[0][0])	2886	$self->send_packet ($self->{query_queue}[0][0])
1976	if @{ $self->{query_queue} } == 1;	2887	if @{ $self->{query_queue} } == 1;
		2888
		2889	1
1977	}	2890	}
1978		2891
1979	cf::client->attach (	2892	cf::client->attach (
		2893	on_connect => sub {
		2894	my ($ns) = @_;
		2895
		2896	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2897	},
1980	on_reply => sub {	2898	on_reply => sub {
1981	my ($ns, $msg) = @_;	2899	my ($ns, $msg) = @_;
1982		2900
1983	# this weird shuffling is so that direct followup queries	2901	# this weird shuffling is so that direct followup queries
1984	# get handled first	2902	# get handled first
1985	my $queue = delete $ns->{query_queue}	2903	my $queue = delete $ns->{query_queue}
1986	or return; # be conservative, not sure how that can happen, but we saw a crash here	2904	or return; # be conservative, not sure how that can happen, but we saw a crash here
1987		2905
1988	(shift @$queue)->[1]->($msg);	2906	(shift @$queue)->[1]->($msg);
		2907	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1989		2908
1990	push @{ $ns->{query_queue} }, @$queue;	2909	push @{ $ns->{query_queue} }, @$queue;
1991		2910
1992	if (@{ $ns->{query_queue} } == @$queue) {	2911	if (@{ $ns->{query_queue} } == @$queue) {
1993	if (@$queue) {	2912	if (@$queue) {
…		…
1995	} else {	2914	} else {
1996	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2915	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1997	}	2916	}
1998	}	2917	}
1999	},	2918	},
		2919	on_exticmd => sub {
		2920	my ($ns, $buf) = @_;
		2921
		2922	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2923
		2924	if (ref $msg) {
		2925	my ($type, $reply, @payload) =
		2926	"ARRAY" eq ref $msg
		2927	? @$msg
		2928	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2929
		2930	my @reply;
		2931
		2932	if (my $cb = $EXTICMD{$type}) {
		2933	@reply = $cb->($ns, @payload);
		2934	}
		2935
		2936	$ns->ext_reply ($reply, @reply)
		2937	if $reply;
		2938
		2939	} else {
		2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2941	}
		2942
		2943	cf::override;
		2944	},
2000	);	2945	);
2001		2946
2002	=item $client->async (\&cb)	2947	=item $client->async (\&cb)
2003		2948
2004	Create a new coroutine, running the specified callback. The coroutine will	2949	Create a new coroutine, running the specified callback. The coroutine will
…		…
2045	our $safe = new Safe "safe";	2990	our $safe = new Safe "safe";
2046	our $safe_hole = new Safe::Hole;	2991	our $safe_hole = new Safe::Hole;
2047		2992
2048	$SIG{FPE} = 'IGNORE';	2993	$SIG{FPE} = 'IGNORE';
2049		2994
2050	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2995	$safe->permit_only (Opcode::opset qw(
		2996	:base_core :base_mem :base_orig :base_math
		2997	grepstart grepwhile mapstart mapwhile
		2998	sort time
		2999	));
2051		3000
2052	# here we export the classes and methods available to script code	3001	# here we export the classes and methods available to script code
2053		3002
2054	=pod	3003	=pod
2055		3004
2056	The following fucntions and emthods are available within a safe environment:	3005	The following functions and methods are available within a safe environment:
2057		3006
2058	cf::object contr pay_amount pay_player map	3007	cf::object
		3008	contr pay_amount pay_player map x y force_find force_add destroy
		3009	insert remove name archname title slaying race decrease_ob_nr
		3010
2059	cf::object::player player	3011	cf::object::player
2060	cf::player peaceful	3012	player
2061	cf::map trigger	3013
		3014	cf::player
		3015	peaceful
		3016
		3017	cf::map
		3018	trigger
2062		3019
2063	=cut	3020	=cut
2064		3021
2065	for (	3022	for (
2066	["cf::object" => qw(contr pay_amount pay_player map)],	3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3024	insert remove inv name archname title slaying race
		3025	decrease_ob_nr destroy)],
2067	["cf::object::player" => qw(player)],	3026	["cf::object::player" => qw(player)],
2068	["cf::player" => qw(peaceful)],	3027	["cf::player" => qw(peaceful)],
2069	["cf::map" => qw(trigger)],	3028	["cf::map" => qw(trigger)],
2070	) {	3029	) {
2071	no strict 'refs';	3030	no strict 'refs';
…		…
2142	=back	3101	=back
2143		3102
2144	=cut	3103	=cut
2145		3104
2146	#############################################################################	3105	#############################################################################
		3106	# the server's init and main functions
2147		3107
2148	=head2 EXTENSION DATABASE SUPPORT	3108	sub load_facedata($) {
		3109	my ($path) = @_;
2149		3110
2150	Crossfire maintains a very simple database for extension use. It can	3111	# HACK to clear player env face cache, we need some signal framework
2151	currently store anything that can be serialised using Storable, which	3112	# for this (global event?)
2152	excludes objects.	3113	%ext::player_env::MUSIC_FACE_CACHE = ();
2153		3114
2154	The parameter C<$family> should best start with the name of the extension	3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2155	using it, it should be unique.
2156		3116
2157	=over 4	3117	warn "loading facedata from $path\n";
2158		3118
2159	=item $hashref = cf::db_get $family	3119	my $facedata;
		3120	0 < aio_load $path, $facedata
		3121	or die "$path: $!";
2160		3122
2161	Return a hashref for use by the extension C<$family>, which can be	3123	$facedata = Coro::Storable::thaw $facedata;
2162	modified. After modifications, you have to call C<cf::db_dirty> or
2163	C<cf::db_sync>.
2164		3124
2165	=item $value = cf::db_get $family => $key	3125	$facedata->{version} == 2
		3126	or cf::cleanup "$path: version mismatch, cannot proceed.";
2166		3127
2167	Returns a single value from the database	3128	# patch in the exptable
2168		3129	$facedata->{resource}{"res/exp_table"} = {
2169	=item cf::db_put $family => $hashref	3130	type => FT_RSRC,
2170		3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2171	Stores the given family hashref into the database. Updates are delayed, if
2172	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_put $family => $key => $value
2175
2176	Stores the given C<$value> in the family hash. Updates are delayed, if you
2177	want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_dirty
2180
2181	Marks the database as dirty, to be updated at a later time.
2182
2183	=item cf::db_sync
2184
2185	Immediately write the database to disk I<if it is dirty>.
2186
2187	=cut
2188
2189	our $DB;
2190
2191	{
2192	my $path = cf::localdir . "/database.pst";
2193
2194	sub db_load() {
2195	$DB = stat $path ? Storable::retrieve $path : { };
2196	}	3132	};
		3133	cf::cede_to_tick;
2197		3134
2198	my $pid;
2199
2200	sub db_save() {
2201	waitpid $pid, 0 if $pid;
2202	if (0 == ($pid = fork)) {
2203	$DB->{_meta}{version} = 1;
2204	Storable::nstore $DB, "$path~";
2205	rename "$path~", $path;
2206	cf::_exit 0 if defined $pid;
2207	}
2208	}	3135	{
		3136	my $faces = $facedata->{faceinfo};
2209		3137
2210	my $dirty;	3138	while (my ($face, $info) = each %$faces) {
		3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3140	cf::face::set_visibility $idx, $info->{visibility};
		3141	cf::face::set_magicmap $idx, $info->{magicmap};
		3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211		3144
2212	sub db_sync() {	3145	cf::cede_to_tick;
2213	db_save if $dirty;
2214	undef $dirty;
2215	}
2216
2217	my $idle = Event->idle (
2218	reentrant => 0,
2219	min => 10,
2220	max => 20,
2221	repeat => 0,
2222	data => WF_AUTOCANCEL,
2223	cb => \&db_sync,
2224	);
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3146	}
2251	);
2252	}
2253		3147
2254	#############################################################################	3148	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3149	next unless $info->{smooth};
		3150	my $idx = cf::face::find $face
		3151	or next;
		3152	if (my $smooth = cf::face::find $info->{smooth}) {
		3153	cf::face::set_smooth $idx, $smooth;
		3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3155	} else {
		3156	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3157	}
2256		3158
2257	sub cfg_load {	3159	cf::cede_to_tick;
		3160	}
		3161	}
		3162
		3163	{
		3164	my $anims = $facedata->{animinfo};
		3165
		3166	while (my ($anim, $info) = each %$anims) {
		3167	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3168	cf::cede_to_tick;
		3169	}
		3170
		3171	cf::anim::invalidate_all; # d'oh
		3172	}
		3173
		3174	{
		3175	# TODO: for gcfclient pleasure, we should give resources
		3176	# that gcfclient doesn't grok a >10000 face index.
		3177	my $res = $facedata->{resource};
		3178
		3179	my $soundconf = delete $res->{"res/sound.conf"};
		3180
		3181	while (my ($name, $info) = each %$res) {
		3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3183	my $data;
		3184
		3185	if ($info->{type} & 1) {
		3186	# prepend meta info
		3187
		3188	my $meta = $enc->encode ({
		3189	name => $name,
		3190	%{ $info->{meta} || {} },
		3191	});
		3192
		3193	$data = pack "(w/a*)*", $meta, $info->{data};
		3194	} else {
		3195	$data = $info->{data};
		3196	}
		3197
		3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3199	cf::face::set_type $idx, $info->{type};
		3200
		3201	cf::cede_to_tick;
		3202	}
		3203
		3204	if ($soundconf) {
		3205	$soundconf = $enc->decode (delete $soundconf->{data});
		3206
		3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3208	my $sound = $soundconf->{compat}[$_]
		3209	or next;
		3210
		3211	my $face = cf::face::find "sound/$sound->[1]";
		3212	cf::sound::set $sound->[0] => $face;
		3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3214	}
		3215
		3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3217	my $face = cf::face::find "sound/$v";
		3218	cf::sound::set $k => $face;
		3219	}
		3220	}
		3221	}
		3222
		3223	1
		3224	}
		3225
		3226	register_exticmd fx_want => sub {
		3227	my ($ns, $want) = @_;
		3228
		3229	while (my ($k, $v) = each %$want) {
		3230	$ns->fx_want ($k, $v);
		3231	}
		3232	};
		3233
		3234	sub reload_regions {
		3235	# HACK to clear player env face cache, we need some signal framework
		3236	# for this (global event?)
		3237	%ext::player_env::MUSIC_FACE_CACHE = ();
		3238
		3239	load_resource_file "$MAPDIR/regions"
		3240	or die "unable to load regions file\n";
		3241
		3242	for (cf::region::list) {
		3243	$_->{match} = qr/$_->{match}/
		3244	if exists $_->{match};
		3245	}
		3246	}
		3247
		3248	sub reload_facedata {
		3249	load_facedata "$DATADIR/facedata"
		3250	or die "unable to load facedata\n";
		3251	}
		3252
		3253	sub reload_archetypes {
		3254	load_resource_file "$DATADIR/archetypes"
		3255	or die "unable to load archetypes\n";
		3256	#d# NEED to laod twice to resolve forward references
		3257	# this really needs to be done in an extra post-pass
		3258	# (which needs to be synchronous, so solve it differently)
		3259	load_resource_file "$DATADIR/archetypes"
		3260	or die "unable to load archetypes\n";
		3261	}
		3262
		3263	sub reload_treasures {
		3264	load_resource_file "$DATADIR/treasures"
		3265	or die "unable to load treasurelists\n";
		3266	}
		3267
		3268	sub reload_resources {
		3269	warn "reloading resource files...\n";
		3270
		3271	reload_regions;
		3272	reload_facedata;
		3273	#reload_archetypes;#d#
		3274	reload_archetypes;
		3275	reload_treasures;
		3276
		3277	warn "finished reloading resource files\n";
		3278	}
		3279
		3280	sub init {
		3281	reload_resources;
		3282	}
		3283
		3284	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3285	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3286	or return;
2260		3287
2261	local $/;	3288	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3289	*CFG = YAML::Syck::Load <$fh>;
2263		3290
…		…
2278	sub main {	3305	sub main {
2279	# we must not ever block the main coroutine	3306	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3307	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	(async {	3309	(async {
		3310	$Coro::current->{desc} = "IDLE BUG HANDLER";
2283	Event::one_event;	3311	Event::one_event;
2284	})->prio (Coro::PRIO_MAX);	3312	})->prio (Coro::PRIO_MAX);
2285	};	3313	};
2286		3314
2287	cfg_load;	3315	reload_config;
2288	db_load;	3316	db_init;
2289	load_extensions;	3317	load_extensions;
2290		3318
2291	$TICK_WATCHER->start;	3319	$TICK_WATCHER->start;
2292	Event::loop;	3320	Event::loop;
2293	}	3321	}
…		…
2308	},	3336	},
2309	);	3337	);
2310	}	3338	}
2311	}	3339	}
2312		3340
		3341	sub write_runtime {
		3342	my $runtime = "$LOCALDIR/runtime";
		3343
		3344	# first touch the runtime file to show we are still running:
		3345	# the fsync below can take a very very long time.
		3346
		3347	IO::AIO::aio_utime $runtime, undef, undef;
		3348
		3349	my $guard = cf::lock_acquire "write_runtime";
		3350
		3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3352	or return;
		3353
		3354	my $value = $cf::RUNTIME + 90 + 10;
		3355	# 10 is the runtime save interval, for a monotonic clock
		3356	# 60 allows for the watchdog to kill the server.
		3357
		3358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3359	and return;
		3360
		3361	# always fsync - this file is important
		3362	aio_fsync $fh
		3363	and return;
		3364
		3365	# touch it again to show we are up-to-date
		3366	aio_utime $fh, undef, undef;
		3367
		3368	close $fh
		3369	or return;
		3370
		3371	aio_rename "$runtime~", $runtime
		3372	and return;
		3373
		3374	warn "runtime file written.\n";
		3375
		3376	1
		3377	}
		3378
2313	sub emergency_save() {	3379	sub emergency_save() {
2314	my $freeze_guard = cf::freeze_mainloop;	3380	my $freeze_guard = cf::freeze_mainloop;
2315		3381
2316	warn "enter emergency perl save\n";	3382	warn "enter emergency perl save\n";
2317		3383
…		…
2321	# and maps saved/destroyed asynchronously.	3387	# and maps saved/destroyed asynchronously.
2322	warn "begin emergency player save\n";	3388	warn "begin emergency player save\n";
2323	for my $login (keys %cf::PLAYER) {	3389	for my $login (keys %cf::PLAYER) {
2324	my $pl = $cf::PLAYER{$login} or next;	3390	my $pl = $cf::PLAYER{$login} or next;
2325	$pl->valid or next;	3391	$pl->valid or next;
		3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2326	$pl->save;	3393	$pl->save;
2327	}	3394	}
2328	warn "end emergency player save\n";	3395	warn "end emergency player save\n";
2329		3396
2330	warn "begin emergency map save\n";	3397	warn "begin emergency map save\n";
…		…
2332	my $map = $cf::MAP{$path} or next;	3399	my $map = $cf::MAP{$path} or next;
2333	$map->valid or next;	3400	$map->valid or next;
2334	$map->save;	3401	$map->save;
2335	}	3402	}
2336	warn "end emergency map save\n";	3403	warn "end emergency map save\n";
		3404
		3405	warn "begin emergency database checkpoint\n";
		3406	BDB::db_env_txn_checkpoint $DB_ENV;
		3407	warn "end emergency database checkpoint\n";
2337	};	3408	};
2338		3409
2339	warn "leave emergency perl save\n";	3410	warn "leave emergency perl save\n";
2340	}	3411	}
2341		3412
		3413	sub post_cleanup {
		3414	my ($make_core) = @_;
		3415
		3416	warn Carp::longmess "post_cleanup backtrace"
		3417	if $make_core;
		3418	}
		3419
2342	sub reload() {	3420	sub do_reload_perl() {
2343	# can/must only be called in main	3421	# can/must only be called in main
2344	if ($Coro::current != $Coro::main) {	3422	if ($Coro::current != $Coro::main) {
2345	warn "can only reload from main coroutine";	3423	warn "can only reload from main coroutine";
2346	return;	3424	return;
2347	}	3425	}
2348		3426
2349	warn "reloading...";	3427	warn "reloading...";
2350		3428
2351	warn "cancelling server ticker";	3429	warn "entering sync_job";
2352	$TICK_WATCHER->cancel;
2353		3430
		3431	cf::sync_job {
		3432	cf::write_runtime; # external watchdog should not bark
2354	cf::emergency_save;	3433	cf::emergency_save;
		3434	cf::write_runtime; # external watchdog should not bark
2355		3435
2356	eval {	3436	warn "syncing database to disk";
		3437	BDB::db_env_txn_checkpoint $DB_ENV;
		3438
2357	# if anything goes wrong in here, we should simply crash as we already saved	3439	# if anything goes wrong in here, we should simply crash as we already saved
2358
2359	warn "syncing database to disk";
2360	cf::db_sync;
2361		3440
2362	warn "cancelling all WF_AUTOCANCEL watchers";	3441	warn "cancelling all WF_AUTOCANCEL watchers";
2363	for (Event::all_watchers) {	3442	for (Event::all_watchers) {
2364	$_->cancel if $_->data & WF_AUTOCANCEL;	3443	$_->cancel if $_->data & WF_AUTOCANCEL;
2365	}	3444	}
2366		3445
2367	warn "flushing outstanding aio requests";	3446	warn "flushing outstanding aio requests";
2368	for (;;) {	3447	for (;;) {
		3448	BDB::flush;
2369	IO::AIO::flush;	3449	IO::AIO::flush;
2370	Coro::cede;	3450	Coro::cede_notself;
2371	last unless IO::AIO::nreqs;	3451	last unless IO::AIO::nreqs || BDB::nreqs;
2372	warn "iterate...";	3452	warn "iterate...";
2373	}	3453	}
		3454
		3455	++$RELOAD;
2374		3456
2375	warn "cancelling all extension coros";	3457	warn "cancelling all extension coros";
2376	$_->cancel for values %EXT_CORO;	3458	$_->cancel for values %EXT_CORO;
2377	%EXT_CORO = ();	3459	%EXT_CORO = ();
2378		3460
2379	warn "removing commands";	3461	warn "removing commands";
2380	%COMMAND = ();	3462	%COMMAND = ();
2381		3463
2382	warn "removing ext commands";	3464	warn "removing ext/exti commands";
2383	%EXTCMD = ();	3465	%EXTCMD = ();
		3466	%EXTICMD = ();
2384		3467
2385	warn "unloading/nuking all extensions";	3468	warn "unloading/nuking all extensions";
2386	for my $pkg (@EXTS) {	3469	for my $pkg (@EXTS) {
2387	warn "... unloading $pkg";	3470	warn "... unloading $pkg";
2388		3471
…		…
2418	Symbol::delete_package "safe::$_"	3501	Symbol::delete_package "safe::$_"
2419	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2420		3503
2421	warn "unloading cf.pm \"a bit\"";	3504	warn "unloading cf.pm \"a bit\"";
2422	delete $INC{"cf.pm"};	3505	delete $INC{"cf.pm"};
		3506	delete $INC{"cf/pod.pm"};
2423		3507
2424	# don't, removes xs symbols, too,	3508	# don't, removes xs symbols, too,
2425	# and global variables created in xs	3509	# and global variables created in xs
2426	#Symbol::delete_package __PACKAGE__;	3510	#Symbol::delete_package __PACKAGE__;
2427		3511
…		…
2430	warn "reloading cf.pm";	3514	warn "reloading cf.pm";
2431	require cf;	3515	require cf;
2432	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2433		3517
2434	warn "loading config and database again";	3518	warn "loading config and database again";
2435	cf::cfg_load;	3519	cf::reload_config;
2436	cf::db_load;
2437		3520
2438	warn "loading extensions";	3521	warn "loading extensions";
2439	cf::load_extensions;	3522	cf::load_extensions;
2440		3523
2441	warn "reattaching attachments to objects/players";	3524	warn "reattaching attachments to objects/players";
2442	_global_reattach;	3525	_global_reattach; # objects, sockets
2443	warn "reattaching attachments to maps";	3526	warn "reattaching attachments to maps";
2444	reattach $_ for values %MAP;	3527	reattach $_ for values %MAP;
		3528	warn "reattaching attachments to players";
		3529	reattach $_ for values %PLAYER;
2445		3530
2446	warn "restarting server ticker";	3531	warn "leaving sync_job";
2447		3532
2448	$TICK_WATCHER->start;	3533	1
2449	};	3534	} or do {
2450
2451	if ($@) {
2452	warn $@;	3535	warn $@;
2453	warn "error while reloading, exiting.";	3536	warn "error while reloading, exiting.";
2454	exit 1;	3537	exit 1;
2455	}	3538	};
2456		3539
2457	warn "reloaded";	3540	warn "reloaded";
2458	};	3541	};
2459		3542
2460	our $RELOAD_WATCHER; # used only during reload	3543	our $RELOAD_WATCHER; # used only during reload
2461		3544
		3545	sub reload_perl() {
		3546	# doing reload synchronously and two reloads happen back-to-back,
		3547	# coro crashes during coro_state_free->destroy here.
		3548
		3549	$RELOAD_WATCHER ||= Event->timer (
		3550	reentrant => 0,
		3551	after => 0,
		3552	data => WF_AUTOCANCEL,
		3553	cb => sub {
		3554	do_reload_perl;
		3555	undef $RELOAD_WATCHER;
		3556	},
		3557	);
		3558	}
		3559
2462	register_command "reload" => sub {	3560	register_command "reload" => sub {
2463	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2464		3562
2465	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2466	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
2467		3565	async {
2468	# doing reload synchronously and two reloads happen back-to-back,	3566	$Coro::current->{desc} = "perl_reload";
2469	# coro crashes during coro_state_free->destroy here.
2470
2471	$RELOAD_WATCHER ||= Event->timer (
2472	reentrant => 0,
2473	after => 0,
2474	data => WF_AUTOCANCEL,
2475	cb => sub {
2476	reload;	3567	reload_perl;
2477	undef $RELOAD_WATCHER;
2478	},
2479	);	3568	};
2480	}	3569	}
2481	};	3570	};
2482		3571
2483	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2484		3573
2485	my $bug_warning = 0;	3574	my $bug_warning = 0;
		3575
		3576	our @WAIT_FOR_TICK;
		3577	our @WAIT_FOR_TICK_BEGIN;
		3578
		3579	sub wait_for_tick {
		3580	return unless $TICK_WATCHER->is_active;
		3581	return if $Coro::current == $Coro::main;
		3582
		3583	my $signal = new Coro::Signal;
		3584	push @WAIT_FOR_TICK, $signal;
		3585	$signal->wait;
		3586	}
		3587
		3588	sub wait_for_tick_begin {
		3589	return unless $TICK_WATCHER->is_active;
		3590	return if $Coro::current == $Coro::main;
		3591
		3592	my $signal = new Coro::Signal;
		3593	push @WAIT_FOR_TICK_BEGIN, $signal;
		3594	$signal->wait;
		3595	}
2486		3596
2487	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = Event->timer (
2488	reentrant => 0,	3598	reentrant => 0,
2489	parked => 1,	3599	parked => 1,
2490	prio => 0,	3600	prio => 0,
…		…
2495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2496	unless ++$bug_warning > 10;	3606	unless ++$bug_warning > 10;
2497	return;	3607	return;
2498	}	3608	}
2499		3609
2500	$NOW = Event::time;	3610	$NOW = $tick_start = Event::time;
2501		3611
2502	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
		3613
2503	$RUNTIME += $TICK;	3614	$RUNTIME += $TICK;
2504	$NEXT_TICK += $TICK;	3615	$NEXT_TICK += $TICK;
2505		3616
2506	$WAIT_FOR_TICK->broadcast;	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2507	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3618	$NEXT_RUNTIME_WRITE = $NOW + 10;
2508		3619	Coro::async_pool {
2509	Event::sweep;	3620	$Coro::current->{desc} = "runtime saver";
2510	Coro::cede_notself;	3621	write_runtime
		3622	or warn "ERROR: unable to write runtime file: $!";
		3623	};
2511		3624	}
2512	# my $AFTER = Event::time;	3625
2513	# warn $AFTER - $NOW;#d#	3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3627	$sig->send;
		3628	}
		3629	while (my $sig = shift @WAIT_FOR_TICK) {
		3630	$sig->send;
		3631	}
		3632
		3633	$NOW = Event::time;
2514		3634
2515	# if we are delayed by four ticks or more, skip them all	3635	# if we are delayed by four ticks or more, skip them all
2516	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2517		3637
2518	$TICK_WATCHER->at ($NEXT_TICK);	3638	$TICK_WATCHER->at ($NEXT_TICK);
2519	$TICK_WATCHER->start;	3639	$TICK_WATCHER->start;
		3640
		3641	$LOAD = ($NOW - $tick_start) / $TICK;
		3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3643
		3644	_post_tick;
2520	},	3645	},
2521	);	3646	);
2522		3647
		3648	{
		3649	BDB::min_parallel 8;
		3650	BDB::max_poll_time $TICK * 0.1;
		3651	$BDB_POLL_WATCHER = Event->io (
		3652	reentrant => 0,
		3653	fd => BDB::poll_fileno,
		3654	poll => 'r',
		3655	prio => 0,
		3656	data => WF_AUTOCANCEL,
		3657	cb => \&BDB::poll_cb,
		3658	);
		3659
		3660	BDB::set_sync_prepare {
		3661	my $status;
		3662	my $current = $Coro::current;
		3663	(
		3664	sub {
		3665	$status = $!;
		3666	$current->ready; undef $current;
		3667	},
		3668	sub {
		3669	Coro::schedule while defined $current;
		3670	$! = $status;
		3671	},
		3672	)
		3673	};
		3674
		3675	unless ($DB_ENV) {
		3676	$DB_ENV = BDB::db_env_create;
		3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3678	| BDB::LOG_AUTOREMOVE, 1);
		3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3681
		3682	cf::sync_job {
		3683	eval {
		3684	BDB::db_env_open
		3685	$DB_ENV,
		3686	$BDBDIR,
		3687	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3688	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3689	0666;
		3690
		3691	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3692	};
		3693
		3694	cf::cleanup "db_env_open(db): $@" if $@;
		3695	};
		3696	}
		3697
		3698	$BDB_DEADLOCK_WATCHER = Event->timer (
		3699	after => 3,
		3700	interval => 1,
		3701	hard => 1,
		3702	prio => 0,
		3703	data => WF_AUTOCANCEL,
		3704	cb => sub {
		3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3706	},
		3707	);
		3708	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3709	after => 11,
		3710	interval => 60,
		3711	hard => 1,
		3712	prio => 0,
		3713	data => WF_AUTOCANCEL,
		3714	cb => sub {
		3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3716	},
		3717	);
		3718	$BDB_TRICKLE_WATCHER = Event->timer (
		3719	after => 5,
		3720	interval => 10,
		3721	hard => 1,
		3722	prio => 0,
		3723	data => WF_AUTOCANCEL,
		3724	cb => sub {
		3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3726	},
		3727	);
		3728	}
		3729
		3730	{
		3731	IO::AIO::min_parallel 8;
		3732
		3733	undef $Coro::AIO::WATCHER;
2523	IO::AIO::max_poll_time $TICK * 0.1;	3734	IO::AIO::max_poll_time $TICK * 0.1;
2524
2525	undef $Coro::AIO::WATCHER;
2526	$AIO_POLL_WATCHER = Event->io (	3735	$AIO_POLL_WATCHER = Event->io (
2527	reentrant => 0,	3736	reentrant => 0,
		3737	data => WF_AUTOCANCEL,
2528	fd => IO::AIO::poll_fileno,	3738	fd => IO::AIO::poll_fileno,
2529	poll => 'r',	3739	poll => 'r',
2530	prio => 6,	3740	prio => 0,
2531	data => WF_AUTOCANCEL,
2532	cb => \&IO::AIO::poll_cb,	3741	cb => \&IO::AIO::poll_cb,
2533	);	3742	);
		3743	}
2534		3744
2535	$WRITE_RUNTIME_WATCHER = Event->timer (	3745	my $_log_backtrace;
2536	reentrant => 0,	3746
2537	data => WF_AUTOCANCEL,	3747	sub _log_backtrace {
2538	after => 1,	3748	my ($msg, @addr) = @_;
2539	interval => 10,	3749
2540	prio => 6, # keep it lowest so it acts like a watchdog	3750	$msg =~ s/\n//;
2541	cb => Coro::unblock_sub {	3751
2542	write_runtime	3752	# limit the # of concurrent backtraces
2543	or warn "ERROR: unable to write runtime file: $!";	3753	if ($_log_backtrace < 2) {
		3754	++$_log_backtrace;
		3755	async {
		3756	$Coro::current->{desc} = "abt $msg";
		3757
		3758	my @bt = fork_call {
		3759	@addr = map { sprintf "%x", $_ } @addr;
		3760	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3761	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3762	or die "addr2line: $!";
		3763
		3764	my @funcs;
		3765	my @res = <$fh>;
		3766	chomp for @res;
		3767	while (@res) {
		3768	my ($func, $line) = splice @res, 0, 2, ();
		3769	push @funcs, "[$func] $line";
		3770	}
		3771
		3772	@funcs
		3773	};
		3774
		3775	LOG llevInfo, "[ABT] $msg\n";
		3776	LOG llevInfo, "[ABT] $_\n" for @bt;
		3777	--$_log_backtrace;
		3778	};
		3779	} else {
		3780	LOG llevInfo, "[ABT] $msg\n";
		3781	LOG llevInfo, "[ABT] [suppressed]\n";
2544	},	3782	}
2545	);	3783	}
		3784
		3785	# load additional modules
		3786	use cf::pod;
2546		3787
2547	END { cf::emergency_save }	3788	END { cf::emergency_save }
2548		3789
2549	1	3790	1
2550		3791

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines