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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	136	every server tick.
102		137
103	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		206
151	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
271	}	397	}
272		398
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
288		415
289	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
317	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
318	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
319		458
320	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
321	} else {	460	} else {
322	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
323		462
…		…
343	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
344		483
345	$coro	484	$coro
346	}	485	}
347		486
348	sub write_runtime {	487	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		488
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
352	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
353		493
354	my $value = $cf::RUNTIME + 90 + 10;	494	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		495
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	496	sub fork_call(&@) {
359	and return;	497	my ($cb, @args) = @_;
360		498
361	aio_fsync $fh	499	# we seemingly have to make a local copy of the whole thing,
362	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
363		502
364	close $fh	503	my @res = Coro::Util::fork_eval {
365	or return;	504	reset_signals;
		505	&$cb
		506	}, @args;
366		507
367	aio_rename "$runtime~", $runtime	508	wantarray ? @res : $res[-1]
368	and return;	509	}
369		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
370	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	647	}
372		648
373	=back	649	=back
374		650
375	=cut	651	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
384		660
385	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	663	Crossfire TRT).
388		664
389	=over 4	665	=over 4
390		666
391	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
392		668
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
556		832
557	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		837
562	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	839	my $pkg = shift @arg;
564		840
565	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
595	}	871	}
596		872
597	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
598	} else {	874	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	876	}
601		877
602	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
603	}	879	}
604		880
…		…
606	if (ref $_[0]) {	882	if (ref $_[0]) {
607	_object_attach @_;	883	_object_attach @_;
608	} else {	884	} else {
609	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
610	}	886	}
		887	_recalc_want;
611	};	888	};
612		889
613	# all those should be optimised	890	# all those should be optimised
614	sub cf::attachable::detach {	891	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
619	reattach ($obj);	896	reattach ($obj);
620	} else {	897	} else {
621	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
622	}	899	}
		900	_recalc_want;
623	};	901	};
624		902
625	sub cf::attachable::attached {	903	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
627		905
…		…
642	";	920	";
643	die if $@;	921	die if $@;
644	}	922	}
645		923
646	our $override;	924	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		926
649	sub override {	927	sub override {
650	$override = 1;	928	$override = 1;
651	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
652	}	930	}
653		931
654	sub do_invoke {	932	sub do_invoke {
655	my $event = shift;	933	my $event = shift;
656	my $callbacks = shift;	934	my $callbacks = shift;
657		935
658	@invoke_results = ();	936	@INVOKE_RESULTS = ();
659		937
660	local $override;	938	local $override;
661		939
662	for (@$callbacks) {	940	for (@$callbacks) {
663	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
680		958
681	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
682		960
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		964
687	=back	965	=back
688		966
689	=cut	967	=cut
690		968
691	#############################################################################	969	#############################################################################
692	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	return 1;#d#
		977
		978	#todo#d# kill yourself and do some recursive checking manually without storable
		979	sync_job {
		980	my $guard = Coro::Storable::guard;
		981	local $Storable::canonical = 1;
		982	my $fob1 = Storable::freeze $ob1;
		983	my $fob2 = Storable::freeze $ob2;
		984	$fob1 eq $fob2
		985	}
		986	}
693		987
694	sub reattach {	988	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	989	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	990	my ($obj) = @_;
697		991
…		…
744	sub object_freezer_save {	1038	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1039	my ($filename, $rdata, $objs) = @_;
746		1040
747	sync_job {	1041	sync_job {
748	if (length $$rdata) {	1042	if (length $$rdata) {
		1043	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1044	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1045	$decname, length $$rdata, scalar @$objs;
751		1046
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1050	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1051	close $fh;
757		1052
758	if (@$objs) {	1053	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1055	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1057	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1058	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1059	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1060	aio_rename "$filename.pst~", "$filename.pst";
766	}	1061	}
767	} else {	1062	} else {
768	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
…		…
774	}	1069	}
775	} else {	1070	} else {
776	aio_unlink $filename;	1071	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1072	aio_unlink "$filename.pst";
778	}	1073	}
779	}	1074	};
780	}	1075	}
781		1076
782	sub object_freezer_as_string {	1077	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1078	my ($rdata, $objs) = @_;
784		1079
…		…
796	or return;	1091	or return;
797		1092
798	unless (aio_stat "$filename.pst") {	1093	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1094	(aio_load "$filename.pst", $av) >= 0
800	or return;	1095	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };
802	}
803		1096
		1097	my $st = eval { Coro::Storable::thaw $av }
		1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1099	$av = $st->{objs};
		1100	}
		1101
		1102	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1103	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1104	$decname, length $data, scalar @{$av || []};
		1105
806	return ($data, $av);	1106	($data, $av)
807	}	1107	}
		1108
		1109	=head2 COMMAND CALLBACKS
		1110
		1111	=over 4
		1112
		1113	=cut
808		1114
809	#############################################################################	1115	#############################################################################
810	# command handling &c	1116	# command handling &c
811		1117
812	=item cf::register_command $name => \&callback($ob,$args);	1118	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1131	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1132	}
827		1133
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1134	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1135
830	Register a callbackf ro execution when the client sends an extcmd packet.	1136	Register a callback for execution when the client sends an (synchronous)
		1137	extcmd packet. Ext commands will be processed in the order they are
		1138	received by the server, like other user commands. The first argument is
		1139	the logged-in player. Ext commands can only be processed after a player
		1140	has logged in successfully.
831		1141
832	If the callback returns something, it is sent back as if reply was being	1142	If the callback returns something, it is sent back as if reply was being
833	called.	1143	called.
834		1144
		1145	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1146
		1147	Register a callback for execution when the client sends an (asynchronous)
		1148	exticmd packet. Exti commands are processed by the server as soon as they
		1149	are received, i.e. out of order w.r.t. other commands. The first argument
		1150	is a client socket. Exti commands can be received anytime, even before
		1151	log-in.
		1152
		1153	If the callback returns something, it is sent back as if reply was being
		1154	called.
		1155
835	=cut	1156	=cut
836		1157
837	sub register_extcmd {	1158	sub register_extcmd {
838	my ($name, $cb) = @_;	1159	my ($name, $cb) = @_;
839		1160
840	$EXTCMD{$name} = $cb;	1161	$EXTCMD{$name} = $cb;
		1162	}
		1163
		1164	sub register_exticmd {
		1165	my ($name, $cb) = @_;
		1166
		1167	$EXTICMD{$name} = $cb;
841	}	1168	}
842		1169
843	cf::player->attach (	1170	cf::player->attach (
844	on_command => sub {	1171	on_command => sub {
845	my ($pl, $name, $params) = @_;	1172	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1181	cf::override;
855	},	1182	},
856	on_extcmd => sub {	1183	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1184	my ($pl, $buf) = @_;
858		1185
859	my $msg = eval { from_json $buf };	1186	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1187
861	if (ref $msg) {	1188	if (ref $msg) {
		1189	my ($type, $reply, @payload) =
		1190	"ARRAY" eq ref $msg
		1191	? @$msg
		1192	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1193
		1194	my @reply;
		1195
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1196	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1197	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1198	}
		1199
		1200	$pl->ext_reply ($reply, @reply)
		1201	if $reply;
		1202
867	} else {	1203	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1204	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1205	}
870		1206
871	cf::override;	1207	cf::override;
872	},	1208	},
873	);	1209	);
874		1210
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 {	1211	sub load_extensions {
		1212	cf::sync_job {
		1213	my %todo;
		1214
910	for my $ext (<$LIBDIR/*.ext>) {	1215	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1216	next unless -r $path;
912	eval {	1217
913	load_extension $ext;	1218	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1219	my $base = $1;
		1220	my $pkg = $1;
		1221	$pkg =~ s/[^[:word:]]/_/g;
		1222	$pkg = "ext::$pkg";
		1223
		1224	open my $fh, "<:utf8", $path
		1225	or die "$path: $!";
		1226
		1227	my $source = do { local $/; <$fh> };
		1228
		1229	my %ext = (
		1230	path => $path,
		1231	base => $base,
		1232	pkg => $pkg,
		1233	);
		1234
		1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1237
		1238	$ext{source} =
		1239	"package $pkg; use strict; use utf8;\n"
		1240	. "#line 1 \"$path\"\n{\n"
		1241	. $source
		1242	. "\n};\n1";
		1243
		1244	$todo{$base} = \%ext;
		1245	}
		1246
		1247	my %done;
		1248	while (%todo) {
		1249	my $progress;
		1250
		1251	while (my ($k, $v) = each %todo) {
		1252	for (split /,\s*/, $v->{meta}{depends}) {
		1253	goto skip
		1254	unless exists $done{$_};
		1255	}
		1256
		1257	warn "... loading '$k' into '$v->{pkg}'\n";
		1258
		1259	unless (eval $v->{source}) {
		1260	my $msg = $@ ? "$v->{path}: $@\n"
		1261	: "$v->{base}: extension inactive.\n";
		1262
		1263	if (exists $v->{meta}{mandatory}) {
		1264	warn $msg;
		1265	warn "mandatory extension failed to load, exiting.\n";
		1266	exit 1;
		1267	}
		1268
		1269	warn $msg;
		1270	}
		1271
		1272	$done{$k} = delete $todo{$k};
		1273	push @EXTS, $v->{pkg};
		1274	$progress = 1;
914	1	1275	}
915	} or warn "$ext not loaded: $@";	1276
		1277	skip:
		1278	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1279	unless $progress;
		1280	}
916	}	1281	};
917	}	1282	}
918		1283
919	#############################################################################	1284	#############################################################################
920		1285
		1286	=back
		1287
921	=head2 CORE EXTENSIONS	1288	=head2 CORE EXTENSIONS
922		1289
923	Functions and methods that extend core crossfire objects.	1290	Functions and methods that extend core crossfire objects.
924		1291
925	=cut	1292	=cut
…		…
930		1297
931	=head3 cf::player	1298	=head3 cf::player
932		1299
933	=over 4	1300	=over 4
934		1301
		1302	=item cf::player::num_playing
		1303
		1304	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1305
		1306	=cut
		1307
		1308	sub num_playing {
		1309	scalar grep
		1310	$_->ob->map
		1311	&& !$_->hidden
		1312	&& !$_->ob->flag (cf::FLAG_WIZ),
		1313	cf::player::list
		1314	}
		1315
935	=item cf::player::find $login	1316	=item cf::player::find $login
936		1317
937	Returns the given player object, loading it if necessary (might block).	1318	Returns the given player object, loading it if necessary (might block).
938		1319
939	=cut	1320	=cut
940		1321
941	sub playerdir($) {	1322	sub playerdir($) {
942	cf::localdir	1323	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1324	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1325	}
948		1326
949	sub path($) {	1327	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1328	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1329
952	(playerdir $login) . "/$login.pl"	1330	(playerdir $login) . "/playerdata"
953	}	1331	}
954		1332
955	sub find_active($) {	1333	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1334	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1335	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1348	my $login = $_[0];
971		1349
972	my $guard = cf::lock_acquire "user_find:$login";	1350	my $guard = cf::lock_acquire "user_find:$login";
973		1351
974	$cf::PLAYER{$_[0]} || do {	1352	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1353	# rename old playerfiles to new ones
		1354	#TODO: remove when no longer required
		1355	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1356	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1357	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1358	aio_unlink +(playerdir $login) . "/$login.pl";
		1359
		1360	my $f = new_from_file cf::object::thawer path $login
976	or return;	1361	or return;
		1362
		1363	my $pl = cf::player::load_pl $f
		1364	or return;
		1365	local $cf::PLAYER_LOADING{$login} = $pl;
		1366	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1367	$cf::PLAYER{$login} = $pl
978	}	1368	}
979	}	1369	}
980	}	1370	}
981		1371
…		…
991		1381
992	aio_mkdir playerdir $pl, 0770;	1382	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1383	$pl->{last_save} = $cf::RUNTIME;
994		1384
995	$pl->save_pl ($path);	1385	$pl->save_pl ($path);
996	Coro::cede;	1386	cf::cede_to_tick;
997	}	1387	}
998		1388
999	sub new($) {	1389	sub new($) {
1000	my ($login) = @_;	1390	my ($login) = @_;
1001		1391
…		…
1007	$cf::PLAYER{$login} = $self;	1397	$cf::PLAYER{$login} = $self;
1008		1398
1009	$self	1399	$self
1010	}	1400	}
1011		1401
		1402	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1403
		1404	=cut
		1405
		1406	sub send_msg {
		1407	my $ns = shift->ns
		1408	or return;
		1409	$ns->send_msg (@_);
		1410	}
		1411
1012	=item $pl->quit_character	1412	=item $pl->quit_character
1013		1413
1014	Nukes the player without looking back. If logged in, the connection will	1414	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1415	be destroyed. May block for a long time.
1016		1416
1017	=cut	1417	=cut
1018		1418
1019	sub quit_character {	1419	sub quit_character {
1020	my ($pl) = @_;	1420	my ($pl) = @_;
		1421
		1422	my $name = $pl->ob->name;
1021		1423
1022	$pl->{deny_save} = 1;	1424	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1425	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1426
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1427	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1432	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1433	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1434	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1435	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1436	$pl->destroy;
		1437
		1438	my $prefix = qr<^~\Q$name\E/>;
		1439
		1440	# nuke player maps
		1441	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1442
1035	IO::AIO::aio_rmtree $temp;	1443	IO::AIO::aio_rmtree $temp;
		1444	}
		1445
		1446	=item $pl->kick
		1447
		1448	Kicks a player out of the game. This destroys the connection.
		1449
		1450	=cut
		1451
		1452	sub kick {
		1453	my ($pl, $kicker) = @_;
		1454
		1455	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1456	$pl->killer ("kicked");
		1457	$pl->ns->destroy;
1036	}	1458	}
1037		1459
1038	=item cf::player::list_logins	1460	=item cf::player::list_logins
1039		1461
1040	Returns am arrayref of all valid playernames in the system, can take a	1462	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1463	while and may block, so not sync_job-capable, ever.
1042		1464
1043	=cut	1465	=cut
1044		1466
1045	sub list_logins {	1467	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1468	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1469	or return [];
1048		1470
1049	my @logins;	1471	my @logins;
1050		1472
1051	for my $login (@$dirs) {	1473	for my $login (@$dirs) {
		1474	my $path = path $login;
		1475
		1476	# a .pst is a dead give-away for a valid player
		1477	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1479	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1480	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1481	}
1055		1482
1056	utf8::decode $login;	1483	utf8::decode $login;
1057	push @logins, $login;	1484	push @logins, $login;
1058	}	1485	}
1059		1486
…		…
1067		1494
1068	=cut	1495	=cut
1069		1496
1070	sub maps($) {	1497	sub maps($) {
1071	my ($pl) = @_;	1498	my ($pl) = @_;
		1499
		1500	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1501
1073	my $files = aio_readdir playerdir $pl	1502	my $files = aio_readdir playerdir $pl
1074	or return;	1503	or return;
1075		1504
1076	my @paths;	1505	my @paths;
…		…
1078	for (@$files) {	1507	for (@$files) {
1079	utf8::decode $_;	1508	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1509	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1510	next unless /^$PATH_SEP/o;
1082		1511
1083	s/\.map$//;	1512	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1513	}
1086		1514
1087	\@paths	1515	\@paths
1088	}	1516	}
1089		1517
		1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1519
		1520	Expand crossfire pod fragments into protocol xml.
		1521
		1522	=cut
		1523
		1524	sub expand_cfpod {
		1525	((my $self), (local $_)) = @_;
		1526
		1527	# escape & and <
		1528	s/&/&amp;/g;
		1529	s/(?<![BIUGHT])</&lt;/g;
		1530
		1531	# this is buggy, it needs to properly take care of nested <'s
		1532
		1533	1 while
		1534	# replace B<>, I<>, U<> etc.
		1535	s/B<([^\>]*)>/<b>$1<\/b>/
		1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1539	# replace G<male|female> tags
		1540	|| s{G<([^>|]*)\|([^>]*)>}{
		1541	$self->gender ? $2 : $1
		1542	}ge
		1543	# replace H<hint text>
		1544	|| s{H<([^\>]*)>}
		1545	{
		1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1548	"")
		1549	[$self->{hintmode}]
		1550	}ge;
		1551
		1552	# create single paragraphs (very hackish)
		1553	s/(?<=\S)\n(?=\w)/ /g;
		1554
		1555	# compress some whitespace
		1556	s/\s+\n/\n/g; # ws line-ends
		1557	s/\n\n+/\n/g; # double lines
		1558	s/^\n+//; # beginning lines
		1559	s/\n+$//; # ending lines
		1560
		1561	$_
		1562	}
		1563
		1564	sub hintmode {
		1565	$_[0]{hintmode} = $_[1] if @_ > 1;
		1566	$_[0]{hintmode}
		1567	}
		1568
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1569	=item $player->ext_reply ($msgid, @msg)
1091		1570
1092	Sends an ext reply to the player.	1571	Sends an ext reply to the player.
1093		1572
1094	=cut	1573	=cut
1095		1574
1096	sub ext_reply($$$%) {	1575	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1576	my ($self, $id, @msg) = @_;
1098		1577
1099	$msg{msgid} = $id;	1578	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1579	}
1103		1580
1104	package cf;	1581	=item $player->ext_msg ($type, @msg)
		1582
		1583	Sends an ext event to the client.
		1584
		1585	=cut
		1586
		1587	sub ext_msg($$@) {
		1588	my ($self, $type, @msg) = @_;
		1589
		1590	$self->ns->ext_msg ($type, @msg);
		1591	}
		1592
		1593	=head3 cf::region
		1594
		1595	=over 4
		1596
		1597	=cut
		1598
		1599	package cf::region;
		1600
		1601	=item cf::region::find_by_path $path
		1602
		1603	Tries to decuce the likely region for a map knowing only its path.
		1604
		1605	=cut
		1606
		1607	sub find_by_path($) {
		1608	my ($path) = @_;
		1609
		1610	my ($match, $specificity);
		1611
		1612	for my $region (list) {
		1613	if ($region->{match} && $path =~ $region->{match}) {
		1614	($match, $specificity) = ($region, $region->specificity)
		1615	if $region->specificity > $specificity;
		1616	}
		1617	}
		1618
		1619	$match
		1620	}
1105		1621
1106	=back	1622	=back
1107
1108		1623
1109	=head3 cf::map	1624	=head3 cf::map
1110		1625
1111	=over 4	1626	=over 4
1112		1627
…		…
1167	my ($self, $merge) = @_;	1682	my ($self, $merge) = @_;
1168		1683
1169	# we have to keep some variables in memory intact	1684	# we have to keep some variables in memory intact
1170	local $self->{path};	1685	local $self->{path};
1171	local $self->{load_path};	1686	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1687
1175	$self->SUPER::thawer_merge ($merge);	1688	$self->SUPER::thawer_merge ($merge);
1176	}	1689	}
1177		1690
1178	sub normalise {	1691	sub normalise {
1179	my ($path, $base) = @_;	1692	my ($path, $base) = @_;
1180		1693
1181	$path = "$path"; # make sure its a string	1694	$path = "$path"; # make sure its a string
		1695
		1696	$path =~ s/\.map$//;
1182		1697
1183	# map plan:	1698	# map plan:
1184	#	1699	#
1185	# /! non-realised random map exit (special hack!)	1700	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1701	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1738	$self->init; # pass $1 etc.
1224	return $self;	1739	return $self;
1225	}	1740	}
1226	}	1741	}
1227		1742
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1743	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1744	()
1230	}	1745	}
1231		1746
1232	sub init {	1747	sub init {
1233	my ($self) = @_;	1748	my ($self) = @_;
…		…
1248		1763
1249	# the original (read-only) location	1764	# the original (read-only) location
1250	sub load_path {	1765	sub load_path {
1251	my ($self) = @_;	1766	my ($self) = @_;
1252		1767
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1768	"$MAPDIR/$self->{path}.map"
1254	}	1769	}
1255		1770
1256	# the temporary/swap location	1771	# the temporary/swap location
1257	sub save_path {	1772	sub save_path {
1258	my ($self) = @_;	1773	my ($self) = @_;
1259		1774
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1775	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1776	"$TMPDIR/$path.map"
1262	}	1777	}
1263		1778
1264	# the unique path, undef == no special unique path	1779	# the unique path, undef == no special unique path
1265	sub uniq_path {	1780	sub uniq_path {
1266	my ($self) = @_;	1781	my ($self) = @_;
1267		1782
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1783	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1784	"$UNIQUEDIR/$path"
1270	}	1785	}
1271		1786
1272	# and all this just because we cannot iterate over	1787	# and all this just because we cannot iterate over
1273	# all maps in C++...	1788	# all maps in C++...
1274	sub change_all_map_light {	1789	sub change_all_map_light {
…		…
1276		1791
1277	$_->change_map_light ($change)	1792	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1793	for grep $_->outdoor, values %cf::MAP;
1279	}	1794	}
1280		1795
		1796	sub decay_objects {
		1797	my ($self) = @_;
		1798
		1799	return if $self->{deny_reset};
		1800
		1801	$self->do_decay_objects;
		1802	}
		1803
1281	sub unlink_save {	1804	sub unlink_save {
1282	my ($self) = @_;	1805	my ($self) = @_;
1283		1806
1284	utf8::encode (my $save = $self->save_path);	1807	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1808	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1811
1289	sub load_header_from($) {	1812	sub load_header_from($) {
1290	my ($self, $path) = @_;	1813	my ($self, $path) = @_;
1291		1814
1292	utf8::encode $path;	1815	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1816	my $f = new_from_file cf::object::thawer $path
1294	or return;	1817	or return;
1295		1818
1296	$self->_load_header ($path)	1819	$self->_load_header ($f)
1297	or return;	1820	or return;
		1821
		1822	local $MAP_LOADING{$self->{path}} = $self;
		1823	$f->resolve_delayed_derefs;
1298		1824
1299	$self->{load_path} = $path;	1825	$self->{load_path} = $path;
1300		1826
1301	1	1827	1
1302	}	1828	}
…		…
1341	$self->load_header_orig	1867	$self->load_header_orig
1342	or return;	1868	or return;
1343	$self->prepare_orig;	1869	$self->prepare_orig;
1344	}	1870	}
1345		1871
		1872	$self->{deny_reset} = 1
		1873	if $self->no_reset;
		1874
		1875	$self->default_region (cf::region::find_by_path $self->{path})
		1876	unless $self->default_region;
		1877
1346	1	1878	1
1347	}	1879	}
1348		1880
1349	sub find;	1881	sub find;
1350	sub find {	1882	sub find {
1351	my ($path, $origin) = @_;	1883	my ($path, $origin) = @_;
1352		1884
1353	$path = normalise $path, $origin && $origin->path;	1885	$path = normalise $path, $origin && $origin->path;
1354		1886
		1887	cf::lock_wait "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	1888	cf::lock_wait "map_find:$path";
1356		1889
1357	$cf::MAP{$path} || do {	1890	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";	1891	my $guard1 = cf::lock_acquire "map_find:$path";
		1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1893
1359	my $map = new_from_path cf::map $path	1894	my $map = new_from_path cf::map $path
1360	or return;	1895	or return;
1361		1896
1362	$map->{last_save} = $cf::RUNTIME;	1897	$map->{last_save} = $cf::RUNTIME;
1363		1898
1364	$map->load_header	1899	$map->load_header
1365	or return;	1900	or return;
1366		1901
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1903	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1904	#$cf::WAIT_FOR_TICK->wait;
		1905	undef $guard1;
		1906	undef $guard2;
1370	$map->reset;	1907	$map->reset;
1371	undef $guard;
1372	return find $path;	1908	return find $path;
1373	}	1909	}
1374		1910
1375	$cf::MAP{$path} = $map	1911	$cf::MAP{$path} = $map
1376	}	1912	}
…		…
1383	my ($self) = @_;	1919	my ($self) = @_;
1384		1920
1385	local $self->{deny_reset} = 1; # loading can take a long time	1921	local $self->{deny_reset} = 1; # loading can take a long time
1386		1922
1387	my $path = $self->{path};	1923	my $path = $self->{path};
		1924
		1925	{
1388	my $guard = cf::lock_acquire "map_load:$path";	1926	my $guard = cf::lock_acquire "map_data:$path";
1389		1927
		1928	return unless $self->valid;
1390	return if $self->in_memory != cf::MAP_SWAPPED;	1929	return unless $self->in_memory == cf::MAP_SWAPPED;
1391		1930
1392	$self->in_memory (cf::MAP_LOADING);	1931	$self->in_memory (cf::MAP_LOADING);
1393		1932
1394	$self->alloc;	1933	$self->alloc;
1395		1934
1396	$self->pre_load;	1935	$self->pre_load;
		1936	cf::cede_to_tick;
1397		1937
1398	$self->_load_objects ($self->{load_path}, 1)	1938	my $f = new_from_file cf::object::thawer $self->{load_path};
		1939	$f->skip_block;
		1940	$self->_load_objects ($f)
1399	or return;	1941	or return;
1400		1942
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1402	if delete $self->{load_original};	1944	if delete $self->{load_original};
1403		1945
1404	if (my $uniq = $self->uniq_path) {	1946	if (my $uniq = $self->uniq_path) {
1405	utf8::encode $uniq;	1947	utf8::encode $uniq;
1406	if (aio_open $uniq, O_RDONLY, 0) {	1948	unless (aio_stat $uniq) {
		1949	if (my $f = new_from_file cf::object::thawer $uniq) {
1407	$self->clear_unique_items;	1950	$self->clear_unique_items;
1408	$self->_load_objects ($uniq, 0);	1951	$self->_load_objects ($f);
		1952	$f->resolve_delayed_derefs;
		1953	}
1409	}	1954	}
1410	}	1955	}
1411		1956
1412	Coro::cede;	1957	$f->resolve_delayed_derefs;
1413		1958
		1959	cf::cede_to_tick;
1414	# now do the right thing for maps	1960	# now do the right thing for maps
1415	$self->link_multipart_objects;	1961	$self->link_multipart_objects;
1416
1417	unless ($self->{deny_activate}) {
1418	$self->decay_objects;
1419	$self->fix_auto_apply;
1420	$self->update_buttons;
1421	Coro::cede;
1422	$self->set_darkness_map;
1423	$self->difficulty ($self->estimate_difficulty)	1962	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	1963	unless $self->difficulty;
1425	Coro::cede;	1964	cf::cede_to_tick;
		1965
		1966	unless ($self->{deny_activate}) {
		1967	$self->decay_objects;
		1968	$self->fix_auto_apply;
		1969	$self->update_buttons;
		1970	cf::cede_to_tick;
		1971	$self->set_darkness_map;
		1972	cf::cede_to_tick;
1426	$self->activate;	1973	$self->activate;
		1974	}
		1975
		1976	$self->{last_save} = $cf::RUNTIME;
		1977	$self->last_access ($cf::RUNTIME);
		1978
		1979	$self->in_memory (cf::MAP_IN_MEMORY);
1427	}	1980	}
1428		1981
1429	$self->post_load;	1982	$self->post_load;
1430
1431	$self->in_memory (cf::MAP_IN_MEMORY);
1432	}	1983	}
1433		1984
1434	sub customise_for {	1985	sub customise_for {
1435	my ($self, $ob) = @_;	1986	my ($self, $ob) = @_;
1436		1987
1437	return find "~" . $ob->name . "/" . $self->{path}	1988	return find "~" . $ob->name . "/" . $self->{path}
1438	if $self->per_player;	1989	if $self->per_player;
1439		1990
		1991	# return find "?party/" . $ob->name . "/" . $self->{path}
		1992	# if $self->per_party;
		1993
1440	$self	1994	$self
1441	}	1995	}
1442		1996
1443	# find and load all maps in the 3x3 area around a map	1997	# find and load all maps in the 3x3 area around a map
1444	sub load_diag {	1998	sub load_neighbours {
1445	my ($map) = @_;	1999	my ($map) = @_;
1446		2000
1447	my @diag; # diagonal neighbours	2001	my @neigh; # diagonal neighbours
1448		2002
1449	for (0 .. 3) {	2003	for (0 .. 3) {
1450	my $neigh = $map->tile_path ($_)	2004	my $neigh = $map->tile_path ($_)
1451	or next;	2005	or next;
1452	$neigh = find $neigh, $map	2006	$neigh = find $neigh, $map
1453	or next;	2007	or next;
1454	$neigh->load;	2008	$neigh->load;
1455		2009
		2010	push @neigh,
1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2011	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2012	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1458	}	2013	}
1459		2014
1460	for (@diag) {	2015	for (grep defined $_->[0], @neigh) {
		2016	my ($path, $origin) = @$_;
1461	my $neigh = find @$_	2017	my $neigh = find $path, $origin
1462	or next;	2018	or next;
1463	$neigh->load;	2019	$neigh->load;
1464	}	2020	}
1465	}	2021	}
1466		2022
…		…
1471	}	2027	}
1472		2028
1473	sub do_load_sync {	2029	sub do_load_sync {
1474	my ($map) = @_;	2030	my ($map) = @_;
1475		2031
		2032	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2033	if $Coro::current == $Coro::main;
		2034
1476	cf::sync_job { $map->load };	2035	cf::sync_job { $map->load };
1477	}	2036	}
1478		2037
1479	our %MAP_PREFETCH;	2038	our %MAP_PREFETCH;
1480	our $MAP_PREFETCHER = undef;	2039	our $MAP_PREFETCHER = undef;
1481		2040
1482	sub find_async {	2041	sub find_async {
1483	my ($path, $origin) = @_;	2042	my ($path, $origin, $load) = @_;
1484		2043
1485	$path = normalise $path, $origin && $origin->{path};	2044	$path = normalise $path, $origin && $origin->{path};
1486		2045
1487	if (my $map = $cf::MAP{$path}) {	2046	if (my $map = $cf::MAP{$path}) {
1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1489	}	2048	}
1490		2049
1491	undef $MAP_PREFETCH{$path};	2050	$MAP_PREFETCH{$path} |= $load;
		2051
1492	$MAP_PREFETCHER ||= cf::async {	2052	$MAP_PREFETCHER ||= cf::async {
		2053	$Coro::current->{desc} = "map prefetcher";
		2054
1493	while (%MAP_PREFETCH) {	2055	while (%MAP_PREFETCH) {
1494	for my $path (keys %MAP_PREFETCH) {	2056	while (my ($k, $v) = each %MAP_PREFETCH) {
1495	my $map = find $path	2057	if (my $map = find $k) {
1496	or next;
1497	$map->load;	2058	$map->load if $v;
		2059	}
1498		2060
1499	delete $MAP_PREFETCH{$path};	2061	delete $MAP_PREFETCH{$k};
1500	}	2062	}
1501	}	2063	}
1502	undef $MAP_PREFETCHER;	2064	undef $MAP_PREFETCHER;
1503	};	2065	};
1504	$MAP_PREFETCHER->prio (6);	2066	$MAP_PREFETCHER->prio (6);
…		…
1507	}	2069	}
1508		2070
1509	sub save {	2071	sub save {
1510	my ($self) = @_;	2072	my ($self) = @_;
1511		2073
1512	my $lock = cf::lock_acquire "map_data:" . $self->path;	2074	my $lock = cf::lock_acquire "map_data:$self->{path}";
1513		2075
1514	$self->{last_save} = $cf::RUNTIME;	2076	$self->{last_save} = $cf::RUNTIME;
1515		2077
1516	return unless $self->dirty;	2078	return unless $self->dirty;
1517		2079
…		…
1523	return if $self->{deny_save};	2085	return if $self->{deny_save};
1524		2086
1525	local $self->{last_access} = $self->last_access;#d#	2087	local $self->{last_access} = $self->last_access;#d#
1526		2088
1527	cf::async {	2089	cf::async {
		2090	$Coro::current->{desc} = "map player save";
1528	$_->contr->save for $self->players;	2091	$_->contr->save for $self->players;
1529	};	2092	};
1530		2093
1531	if ($uniq) {	2094	if ($uniq) {
1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1540	my ($self) = @_;	2103	my ($self) = @_;
1541		2104
1542	# save first because save cedes	2105	# save first because save cedes
1543	$self->save;	2106	$self->save;
1544		2107
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2108	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2109
1547	return if $self->players;	2110	return if $self->players;
1548	return if $self->in_memory != cf::MAP_IN_MEMORY;	2111	return if $self->in_memory != cf::MAP_IN_MEMORY;
1549	return if $self->{deny_save};	2112	return if $self->{deny_save};
1550		2113
		2114	$self->in_memory (cf::MAP_SWAPPED);
		2115
		2116	$self->deactivate;
		2117	$_->clear_links_to ($self) for values %cf::MAP;
1551	$self->clear;	2118	$self->clear;
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	}	2119	}
1554		2120
1555	sub reset_at {	2121	sub reset_at {
1556	my ($self) = @_;	2122	my ($self) = @_;
1557		2123
1558	# TODO: safety, remove and allow resettable per-player maps	2124	# TODO: safety, remove and allow resettable per-player maps
1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1560	return 1e99 if $self->{deny_reset};	2125	return 1e99 if $self->{deny_reset};
1561		2126
1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2127	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2128	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564		2129
…		…
1575	my ($self) = @_;	2140	my ($self) = @_;
1576		2141
1577	my $lock = cf::lock_acquire "map_data:$self->{path}";	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2143
1579	return if $self->players;	2144	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#
1581		2145
1582	warn "resetting map ", $self->path;#d#	2146	warn "resetting map ", $self->path;
		2147
		2148	$self->in_memory (cf::MAP_SWAPPED);
		2149
		2150	# need to save uniques path
		2151	unless ($self->{deny_save}) {
		2152	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2153
		2154	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2155	if $uniq;
		2156	}
1583		2157
1584	delete $cf::MAP{$self->path};	2158	delete $cf::MAP{$self->path};
1585		2159
1586	$self->in_memory (cf::MAP_SWAPPED);	2160	$self->deactivate;
		2161	$_->clear_links_to ($self) for values %cf::MAP;
1587	$self->clear;	2162	$self->clear;
1588
1589	$_->clear_links_to ($self) for values %cf::MAP;
1590		2163
1591	$self->unlink_save;	2164	$self->unlink_save;
1592	$self->destroy;	2165	$self->destroy;
1593	}	2166	}
1594		2167
1595	my $nuke_counter = "aaaa";	2168	my $nuke_counter = "aaaa";
1596		2169
1597	sub nuke {	2170	sub nuke {
1598	my ($self) = @_;	2171	my ($self) = @_;
1599		2172
		2173	{
		2174	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2175
1600	delete $cf::MAP{$self->path};	2176	delete $cf::MAP{$self->path};
1601		2177
1602	$self->unlink_save;	2178	$self->unlink_save;
1603		2179
1604	bless $self, "cf::map";	2180	bless $self, "cf::map";
1605	delete $self->{deny_reset};	2181	delete $self->{deny_reset};
1606	$self->{deny_save} = 1;	2182	$self->{deny_save} = 1;
1607	$self->reset_timeout (1);	2183	$self->reset_timeout (1);
1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2184	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1609		2185
1610	$cf::MAP{$self->path} = $self;	2186	$cf::MAP{$self->path} = $self;
		2187	}
1611		2188
1612	$self->reset; # polite request, might not happen	2189	$self->reset; # polite request, might not happen
		2190	}
		2191
		2192	=item $maps = cf::map::tmp_maps
		2193
		2194	Returns an arrayref with all map paths of currently instantiated and saved
		2195	maps. May block.
		2196
		2197	=cut
		2198
		2199	sub tmp_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $TMPDIR or [] }
		2207	]
		2208	}
		2209
		2210	=item $maps = cf::map::random_maps
		2211
		2212	Returns an arrayref with all map paths of currently instantiated and saved
		2213	random maps. May block.
		2214
		2215	=cut
		2216
		2217	sub random_maps() {
		2218	[
		2219	map {
		2220	utf8::decode $_;
		2221	/\.map$/
		2222	? normalise "?random/$_"
		2223	: ()
		2224	} @{ aio_readdir $RANDOMDIR or [] }
		2225	]
1613	}	2226	}
1614		2227
1615	=item cf::map::unique_maps	2228	=item cf::map::unique_maps
1616		2229
1617	Returns an arrayref of paths of all shared maps that have	2230	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2231	instantiated unique items. May block.
1619		2232
1620	=cut	2233	=cut
1621		2234
1622	sub unique_maps() {	2235	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2236	[
1624	or return;	2237	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2238	utf8::decode $_;
1630	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;
1632
1633	s/\.map$//;	2239	/\.map$/
1634	push @paths, $_;	2240	? normalise $_
		2241	: ()
		2242	} @{ aio_readdir $UNIQUEDIR or [] }
1635	}	2243	]
1636
1637	\@paths
1638	}	2244	}
1639		2245
1640	package cf;	2246	package cf;
1641		2247
1642	=back	2248	=back
…		…
1660	map { $_, inv_recursive_ $_->inv } @_	2266	map { $_, inv_recursive_ $_->inv } @_
1661	}	2267	}
1662		2268
1663	sub inv_recursive {	2269	sub inv_recursive {
1664	inv_recursive_ inv $_[0]	2270	inv_recursive_ inv $_[0]
		2271	}
		2272
		2273	=item $ref = $ob->ref
		2274
		2275	creates and returns a persistent reference to an objetc that can be stored as a string.
		2276
		2277	=item $ob = cf::object::deref ($refstring)
		2278
		2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2280	even if the object actually exists. May block.
		2281
		2282	=cut
		2283
		2284	sub deref {
		2285	my ($ref) = @_;
		2286
		2287	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2288	my ($uuid, $name) = ($1, $2);
		2289	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2290	or return;
		2291	$pl->ob->uuid eq $uuid
		2292	or return;
		2293
		2294	$pl->ob
		2295	} else {
		2296	warn "$ref: cannot resolve object reference\n";
		2297	undef
		2298	}
1665	}	2299	}
1666		2300
1667	package cf;	2301	package cf;
1668		2302
1669	=back	2303	=back
…		…
1688		2322
1689	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2323	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1690		2324
1691	if ($self->{record_replies}) {	2325	if ($self->{record_replies}) {
1692	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2326	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2327
1693	} else {	2328	} else {
		2329	my $pl = $self->contr;
		2330
		2331	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2332	my $dialog = $pl->{npc_dialog};
		2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2334
		2335	} else {
1694	$msg = $npc->name . " says: $msg" if $npc;	2336	$msg = $npc->name . " says: $msg" if $npc;
1695	$self->message ($msg, $flags);	2337	$self->message ($msg, $flags);
		2338	}
1696	}	2339	}
		2340	}
		2341
		2342	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2343
		2344	=cut
		2345
		2346	sub cf::object::send_msg {
		2347	my $pl = shift->contr
		2348	or return;
		2349	$pl->send_msg (@_);
1697	}	2350	}
1698		2351
1699	=item $player_object->may ("access")	2352	=item $player_object->may ("access")
1700		2353
1701	Returns wether the given player is authorized to access resource "access"	2354	Returns wether the given player is authorized to access resource "access"
…		…
1748	$self->deactivate_recursive;	2401	$self->deactivate_recursive;
1749		2402
1750	return if UNIVERSAL::isa $self->map, "ext::map_link";	2403	return if UNIVERSAL::isa $self->map, "ext::map_link";
1751		2404
1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2405	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753	if $self->map;	2406	if $self->map && $self->map->{path} ne "{link}";
1754		2407
1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2408	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1756	}	2409	}
1757		2410
1758	sub cf::object::player::leave_link {	2411	sub cf::object::player::leave_link {
1759	my ($self, $map, $x, $y) = @_;	2412	my ($self, $map, $x, $y) = @_;
		2413
		2414	return unless $self->contr->active;
1760		2415
1761	my $link_pos = delete $self->{_link_pos};	2416	my $link_pos = delete $self->{_link_pos};
1762		2417
1763	unless ($map) {	2418	unless ($map) {
1764	# restore original map position	2419	# restore original map position
…		…
1778	# use -1 or undef as default coordinates, not 0, 0	2433	# use -1 or undef as default coordinates, not 0, 0
1779	($x, $y) = ($map->enter_x, $map->enter_y)	2434	($x, $y) = ($map->enter_x, $map->enter_y)
1780	if $x <=0 && $y <= 0;	2435	if $x <=0 && $y <= 0;
1781		2436
1782	$map->load;	2437	$map->load;
1783	$map->load_diag;	2438	$map->load_neighbours;
1784		2439
1785	return unless $self->contr->active;	2440	return unless $self->contr->active;
1786	$self->activate_recursive;	2441	$self->activate_recursive;
		2442
		2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787	$self->enter_map ($map, $x, $y);	2444	$self->enter_map ($map, $x, $y);
1788	}	2445	}
1789		2446
1790	cf::player->attach (	2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1791	on_logout => sub {
1792	my ($pl) = @_;
1793		2448
1794	# abort map switching before logout	2449	Moves the player to the given map-path and coordinates by first freezing
1795	if ($pl->ob->{_link_pos}) {	2450	her, loading and preparing them map, calling the provided $check callback
1796	cf::sync_job {	2451	that has to return the map if sucecssful, and then unfreezes the player on
1797	$pl->ob->leave_link	2452	the new (success) or old (failed) map position. In either case, $done will
1798	};	2453	be called at the end of this process.
1799	}
1800	},
1801	on_login => sub {
1802	my ($pl) = @_;
1803		2454
1804	# try to abort aborted map switching on player login :)
1805	# should happen only on crashes
1806	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;
1808	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "
1813	. "the server will try to bring you to your intended destination in a second.",
1814	cf::NDI_RED);
1815	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;
1817	})->prio (2);
1818	}
1819	},
1820	);
1821
1822	=item $player_object->goto ($path, $x, $y)
1823
1824	=cut	2455	=cut
		2456
		2457	our $GOTOGEN;
1825		2458
1826	sub cf::object::player::goto {	2459	sub cf::object::player::goto {
1827	my ($self, $path, $x, $y) = @_;	2460	my ($self, $path, $x, $y, $check, $done) = @_;
		2461
		2462	# do generation counting so two concurrent goto's will be executed in-order
		2463	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828		2464
1829	$self->enter_link;	2465	$self->enter_link;
1830		2466
1831	(async {	2467	(async {
		2468	$Coro::current->{desc} = "player::goto $path $x $y";
		2469
		2470	# *tag paths override both path and x|y
		2471	if ($path =~ /^\*(.*)$/) {
		2472	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2473	my $ob = $obs[rand @obs];
		2474
		2475	# see if we actually can go there
		2476	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2477	$ob = $obs[rand @obs];
		2478	} else {
		2479	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2480	}
		2481	# else put us there anyways for now #d#
		2482
		2483	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2484	} else {
		2485	($path, $x, $y) = (undef, undef, undef);
		2486	}
		2487	}
		2488
1832	my $map = eval {	2489	my $map = eval {
1833	my $map = cf::map::find $path;	2490	my $map = defined $path ? cf::map::find $path : undef;
		2491
		2492	if ($map) {
1834	$map = $map->customise_for ($self) if $map;	2493	$map = $map->customise_for ($self);
		2494	$map = $check->($map) if $check && $map;
		2495	} else {
		2496	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	}
		2498
1835	$map	2499	$map
		2500	};
		2501
		2502	if ($@) {
		2503	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2504	LOG llevError | logBacktrace, Carp::longmess $@;
1836	} or	2505	}
1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838		2506
		2507	if ($gen == $self->{_goto_generation}) {
		2508	delete $self->{_goto_generation};
1839	$self->leave_link ($map, $x, $y);	2509	$self->leave_link ($map, $x, $y);
		2510	}
		2511
		2512	$done->() if $done;
1840	})->prio (1);	2513	})->prio (1);
1841	}	2514	}
1842		2515
1843	=item $player_object->enter_exit ($exit_object)	2516	=item $player_object->enter_exit ($exit_object)
1844		2517
…		…
1883		2556
1884	$rmp->{random_seed} ||= $exit->random_seed;	2557	$rmp->{random_seed} ||= $exit->random_seed;
1885		2558
1886	my $data = cf::to_json $rmp;	2559	my $data = cf::to_json $rmp;
1887	my $md5 = Digest::MD5::md5_hex $data;	2560	my $md5 = Digest::MD5::md5_hex $data;
1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2561	my $meta = "$RANDOMDIR/$md5.meta";
1889		2562
1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2563	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891	aio_write $fh, 0, (length $data), $data, 0;	2564	aio_write $fh, 0, (length $data), $data, 0;
1892	undef $fh;	2565	undef $fh;
1893	aio_rename "$meta~", $meta;	2566	aio_rename "$meta~", $meta;
…		…
1902		2575
1903	return unless $self->type == cf::PLAYER;	2576	return unless $self->type == cf::PLAYER;
1904		2577
1905	if ($exit->slaying eq "/!") {	2578	if ($exit->slaying eq "/!") {
1906	#TODO: this should de-fi-ni-te-ly not be a sync-job	2579	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2580	# the problem is that $exit might not survive long enough
		2581	# so it needs to be done right now, right here
1907	cf::sync_job { prepare_random_map $exit };	2582	cf::sync_job { prepare_random_map $exit };
1908	}	2583	}
1909		2584
1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2585	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911	my $hp = $exit->stats->hp;	2586	my $hp = $exit->stats->hp;
1912	my $sp = $exit->stats->sp;	2587	my $sp = $exit->stats->sp;
1913		2588
1914	$self->enter_link;	2589	$self->enter_link;
1915		2590
		2591	# if exit is damned, update players death & WoR home-position
		2592	$self->contr->savebed ($slaying, $hp, $sp)
		2593	if $exit->flag (FLAG_DAMNED);
		2594
1916	(async {	2595	(async {
		2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2597
1917	$self->deactivate_recursive; # just to be sure	2598	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2599	unless (eval {
1919	$self->goto ($slaying, $hp, $sp);	2600	$self->goto ($slaying, $hp, $sp);
1920		2601
1921	1;	2602	1;
1922	}) {	2603	}) {
1923	$self->message ("Something went wrong deep within the crossfire server. "	2604	$self->message ("Something went wrong deep within the crossfire server. "
1924	. "I'll try to bring you back to the map you were before. "	2605	. "I'll try to bring you back to the map you were before. "
1925	. "Please report this to the dungeon master!",	2606	. "Please report this to the dungeon master!",
1926	cf::NDI_UNIQUE | cf::NDI_RED);	2607	cf::NDI_UNIQUE | cf::NDI_RED);
1927		2608
1928	warn "ERROR in enter_exit: $@";	2609	warn "ERROR in enter_exit: $@";
1929	$self->leave_link;	2610	$self->leave_link;
1930	}	2611	}
1931	})->prio (1);	2612	})->prio (1);
…		…
1944		2625
1945	sub cf::client::send_drawinfo {	2626	sub cf::client::send_drawinfo {
1946	my ($self, $text, $flags) = @_;	2627	my ($self, $text, $flags) = @_;
1947		2628
1948	utf8::encode $text;	2629	utf8::encode $text;
1949	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2630	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950	}	2631	}
1951		2632
		2633	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2634
		2635	Send a drawinfo or msg packet to the client, formatting the msg for the
		2636	client if neccessary. C<$type> should be a string identifying the type of
		2637	the message, with C<log> being the default. If C<$color> is negative, suppress
		2638	the message unless the client supports the msg packet.
		2639
		2640	=cut
		2641
		2642	our %CHANNEL = (
		2643	"c/identify" => {
		2644	id => "infobox",
		2645	title => "Identify",
		2646	reply => undef,
		2647	tooltip => "Items recently identified",
		2648	},
		2649	"c/examine" => {
		2650	id => "infobox",
		2651	title => "Examine",
		2652	reply => undef,
		2653	tooltip => "Signs and other items you examined",
		2654	},
		2655	"c/lookat" => {
		2656	id => "infobox",
		2657	title => "Look",
		2658	reply => undef,
		2659	tooltip => "What you saw there",
		2660	},
		2661	);
		2662
		2663	sub cf::client::send_msg {
		2664	my ($self, $channel, $msg, $color, @extra) = @_;
		2665
		2666	$msg = $self->pl->expand_cfpod ($msg);
		2667
		2668	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2669
		2670	# check predefined channels, for the benefit of C
		2671	if ($CHANNEL{$channel}) {
		2672	$channel = $CHANNEL{$channel};
		2673
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676
		2677	$channel = $channel->{id};
		2678
		2679	} elsif (ref $channel) {
		2680	# send meta info to client, if not yet sent
		2681	unless (exists $self->{channel}{$channel->{id}}) {
		2682	$self->{channel}{$channel->{id}} = $channel;
		2683	$self->ext_msg (channel_info => $channel)
		2684	if $self->can_msg;
		2685	}
		2686
		2687	$channel = $channel->{id};
		2688	}
		2689
		2690	return unless @extra || length $msg;
		2691
		2692	if ($self->can_msg) {
		2693	# default colour, mask it out
		2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2695	if $color & cf::NDI_DEF;
		2696
		2697	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2699	} else {
		2700	if ($color >= 0) {
		2701	# replace some tags by gcfclient-compatible ones
		2702	for ($msg) {
		2703	1 while
		2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2709	}
		2710
		2711	$color &= cf::NDI_COLOR_MASK;
		2712
		2713	utf8::encode $msg;
		2714
		2715	if (0 && $msg =~ /\[/) {
		2716	# COMMAND/INFO
		2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2718	} else {
		2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2720	$self->send_packet ("drawinfo $color $msg")
		2721	}
		2722	}
		2723	}
		2724	}
		2725
		2726	=item $client->ext_msg ($type, @msg)
		2727
		2728	Sends an ext event to the client.
		2729
		2730	=cut
		2731
		2732	sub cf::client::ext_msg($$@) {
		2733	my ($self, $type, @msg) = @_;
		2734
		2735	if ($self->extcmd == 2) {
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2737	} elsif ($self->extcmd == 1) { # TODO: remove
		2738	push @msg, msgtype => "event_$type";
		2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
		2742
		2743	=item $client->ext_reply ($msgid, @msg)
		2744
		2745	Sends an ext reply to the client.
		2746
		2747	=cut
		2748
		2749	sub cf::client::ext_reply($$@) {
		2750	my ($self, $id, @msg) = @_;
		2751
		2752	if ($self->extcmd == 2) {
		2753	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2754	} elsif ($self->extcmd == 1) {
		2755	#TODO: version 1, remove
		2756	unshift @msg, msgtype => "reply", msgid => $id;
		2757	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2758	}
		2759	}
1952		2760
1953	=item $success = $client->query ($flags, "text", \&cb)	2761	=item $success = $client->query ($flags, "text", \&cb)
1954		2762
1955	Queues a query to the client, calling the given callback with	2763	Queues a query to the client, calling the given callback with
1956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2764	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2765	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1958		2766
1959	Queries can fail, so check the return code. Or don't, as queries will become	2767	Queries can fail, so check the return code. Or don't, as queries will
1960	reliable at some point in the future.	2768	become reliable at some point in the future.
1961		2769
1962	=cut	2770	=cut
1963		2771
1964	sub cf::client::query {	2772	sub cf::client::query {
1965	my ($self, $flags, $text, $cb) = @_;	2773	my ($self, $flags, $text, $cb) = @_;
…		…
1973	utf8::encode $text;	2781	utf8::encode $text;
1974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2782	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1975		2783
1976	$self->send_packet ($self->{query_queue}[0][0])	2784	$self->send_packet ($self->{query_queue}[0][0])
1977	if @{ $self->{query_queue} } == 1;	2785	if @{ $self->{query_queue} } == 1;
		2786
		2787	1
1978	}	2788	}
1979		2789
1980	cf::client->attach (	2790	cf::client->attach (
		2791	on_connect => sub {
		2792	my ($ns) = @_;
		2793
		2794	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2795	},
1981	on_reply => sub {	2796	on_reply => sub {
1982	my ($ns, $msg) = @_;	2797	my ($ns, $msg) = @_;
1983		2798
1984	# this weird shuffling is so that direct followup queries	2799	# this weird shuffling is so that direct followup queries
1985	# get handled first	2800	# get handled first
1986	my $queue = delete $ns->{query_queue}	2801	my $queue = delete $ns->{query_queue}
1987	or return; # be conservative, not sure how that can happen, but we saw a crash here	2802	or return; # be conservative, not sure how that can happen, but we saw a crash here
1988		2803
1989	(shift @$queue)->[1]->($msg);	2804	(shift @$queue)->[1]->($msg);
		2805	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990		2806
1991	push @{ $ns->{query_queue} }, @$queue;	2807	push @{ $ns->{query_queue} }, @$queue;
1992		2808
1993	if (@{ $ns->{query_queue} } == @$queue) {	2809	if (@{ $ns->{query_queue} } == @$queue) {
1994	if (@$queue) {	2810	if (@$queue) {
…		…
1996	} else {	2812	} else {
1997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2813	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1998	}	2814	}
1999	}	2815	}
2000	},	2816	},
		2817	on_exticmd => sub {
		2818	my ($ns, $buf) = @_;
		2819
		2820	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2821
		2822	if (ref $msg) {
		2823	my ($type, $reply, @payload) =
		2824	"ARRAY" eq ref $msg
		2825	? @$msg
		2826	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2827
		2828	my @reply;
		2829
		2830	if (my $cb = $EXTICMD{$type}) {
		2831	@reply = $cb->($ns, @payload);
		2832	}
		2833
		2834	$ns->ext_reply ($reply, @reply)
		2835	if $reply;
		2836
		2837	} else {
		2838	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2839	}
		2840
		2841	cf::override;
		2842	},
2001	);	2843	);
2002		2844
2003	=item $client->async (\&cb)	2845	=item $client->async (\&cb)
2004		2846
2005	Create a new coroutine, running the specified callback. The coroutine will	2847	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046	our $safe = new Safe "safe";	2888	our $safe = new Safe "safe";
2047	our $safe_hole = new Safe::Hole;	2889	our $safe_hole = new Safe::Hole;
2048		2890
2049	$SIG{FPE} = 'IGNORE';	2891	$SIG{FPE} = 'IGNORE';
2050		2892
2051	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2893	$safe->permit_only (Opcode::opset qw(
		2894	:base_core :base_mem :base_orig :base_math
		2895	grepstart grepwhile mapstart mapwhile
		2896	sort time
		2897	));
2052		2898
2053	# here we export the classes and methods available to script code	2899	# here we export the classes and methods available to script code
2054		2900
2055	=pod	2901	=pod
2056		2902
2057	The following fucntions and emthods are available within a safe environment:	2903	The following functions and methods are available within a safe environment:
2058		2904
2059	cf::object contr pay_amount pay_player map	2905	cf::object
		2906	contr pay_amount pay_player map x y force_find force_add destroy
		2907	insert remove name archname title slaying race decrease_ob_nr
		2908
2060	cf::object::player player	2909	cf::object::player
2061	cf::player peaceful	2910	player
2062	cf::map trigger	2911
		2912	cf::player
		2913	peaceful
		2914
		2915	cf::map
		2916	trigger
2063		2917
2064	=cut	2918	=cut
2065		2919
2066	for (	2920	for (
2067	["cf::object" => qw(contr pay_amount pay_player map)],	2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2922	insert remove inv name archname title slaying race
		2923	decrease_ob_nr destroy)],
2068	["cf::object::player" => qw(player)],	2924	["cf::object::player" => qw(player)],
2069	["cf::player" => qw(peaceful)],	2925	["cf::player" => qw(peaceful)],
2070	["cf::map" => qw(trigger)],	2926	["cf::map" => qw(trigger)],
2071	) {	2927	) {
2072	no strict 'refs';	2928	no strict 'refs';
…		…
2143	=back	2999	=back
2144		3000
2145	=cut	3001	=cut
2146		3002
2147	#############################################################################	3003	#############################################################################
		3004	# the server's init and main functions
2148		3005
2149	=head2 EXTENSION DATABASE SUPPORT	3006	sub load_facedata($) {
		3007	my ($path) = @_;
2150		3008
2151	Crossfire maintains a very simple database for extension use. It can	3009	# HACK to clear player env face cache, we need some signal framework
2152	currently store anything that can be serialised using Storable, which	3010	# for this (global event?)
2153	excludes objects.	3011	%ext::player_env::MUSIC_FACE_CACHE = ();
2154		3012
2155	The parameter C<$family> should best start with the name of the extension	3013	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2156	using it, it should be unique.
2157		3014
2158	=over 4	3015	warn "loading facedata from $path\n";
2159		3016
2160	=item $hashref = cf::db_get $family	3017	my $facedata;
		3018	0 < aio_load $path, $facedata
		3019	or die "$path: $!";
2161		3020
2162	Return a hashref for use by the extension C<$family>, which can be	3021	$facedata = Coro::Storable::thaw $facedata;
2163	modified. After modifications, you have to call C<cf::db_dirty> or
2164	C<cf::db_sync>.
2165		3022
2166	=item $value = cf::db_get $family => $key	3023	$facedata->{version} == 2
		3024	or cf::cleanup "$path: version mismatch, cannot proceed.";
2167		3025
2168	Returns a single value from the database	3026	# patch in the exptable
2169		3027	$facedata->{resource}{"res/exp_table"} = {
2170	=item cf::db_put $family => $hashref	3028	type => FT_RSRC,
2171		3029	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2172	Stores the given family hashref into the database. Updates are delayed, if
2173	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174
2175	=item cf::db_put $family => $key => $value
2176
2177	Stores the given C<$value> in the family hash. Updates are delayed, if you
2178	want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180	=item cf::db_dirty
2181
2182	Marks the database as dirty, to be updated at a later time.
2183
2184	=item cf::db_sync
2185
2186	Immediately write the database to disk I<if it is dirty>.
2187
2188	=cut
2189
2190	our $DB;
2191
2192	{
2193	my $path = cf::localdir . "/database.pst";
2194
2195	sub db_load() {
2196	$DB = stat $path ? Storable::retrieve $path : { };
2197	}	3030	};
		3031	cf::cede_to_tick;
2198		3032
2199	my $pid;
2200
2201	sub db_save() {
2202	waitpid $pid, 0 if $pid;
2203	if (0 == ($pid = fork)) {
2204	$DB->{_meta}{version} = 1;
2205	Storable::nstore $DB, "$path~";
2206	rename "$path~", $path;
2207	cf::_exit 0 if defined $pid;
2208	}
2209	}	3033	{
		3034	my $faces = $facedata->{faceinfo};
2210		3035
2211	my $dirty;	3036	while (my ($face, $info) = each %$faces) {
		3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3038	cf::face::set_visibility $idx, $info->{visibility};
		3039	cf::face::set_magicmap $idx, $info->{magicmap};
		3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2212		3042
2213	sub db_sync() {	3043	cf::cede_to_tick;
2214	db_save if $dirty;
2215	undef $dirty;
2216	}
2217
2218	my $idle = Event->idle (
2219	reentrant => 0,
2220	min => 10,
2221	max => 20,
2222	repeat => 0,
2223	data => WF_AUTOCANCEL,
2224	cb => \&db_sync,
2225	);
2226
2227	sub db_dirty() {
2228	$dirty = 1;
2229	$idle->start;
2230	}
2231
2232	sub db_get($;$) {
2233	@_ >= 2
2234	? $DB->{$_[0]}{$_[1]}
2235	: ($DB->{$_[0]} ||= { })
2236	}
2237
2238	sub db_put($$;$) {
2239	if (@_ >= 3) {
2240	$DB->{$_[0]}{$_[1]} = $_[2];
2241	} else {
2242	$DB->{$_[0]} = $_[1];
2243	}
2244	db_dirty;
2245	}
2246
2247	cf::global->attach (
2248	prio => 10000,
2249	on_cleanup => sub {
2250	db_sync;
2251	},	3044	}
2252	);
2253	}
2254		3045
2255	#############################################################################	3046	while (my ($face, $info) = each %$faces) {
2256	# the server's main()	3047	next unless $info->{smooth};
		3048	my $idx = cf::face::find $face
		3049	or next;
		3050	if (my $smooth = cf::face::find $info->{smooth}) {
		3051	cf::face::set_smooth $idx, $smooth;
		3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3053	} else {
		3054	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3055	}
2257		3056
2258	sub cfg_load {	3057	cf::cede_to_tick;
		3058	}
		3059	}
		3060
		3061	{
		3062	my $anims = $facedata->{animinfo};
		3063
		3064	while (my ($anim, $info) = each %$anims) {
		3065	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3066	cf::cede_to_tick;
		3067	}
		3068
		3069	cf::anim::invalidate_all; # d'oh
		3070	}
		3071
		3072	{
		3073	# TODO: for gcfclient pleasure, we should give resources
		3074	# that gcfclient doesn't grok a >10000 face index.
		3075	my $res = $facedata->{resource};
		3076
		3077	my $soundconf = delete $res->{"res/sound.conf"};
		3078
		3079	while (my ($name, $info) = each %$res) {
		3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3081	my $data;
		3082
		3083	if ($info->{type} & 1) {
		3084	# prepend meta info
		3085
		3086	my $meta = $enc->encode ({
		3087	name => $name,
		3088	%{ $info->{meta} || {} },
		3089	});
		3090
		3091	$data = pack "(w/a*)*", $meta, $info->{data};
		3092	} else {
		3093	$data = $info->{data};
		3094	}
		3095
		3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3097	cf::face::set_type $idx, $info->{type};
		3098
		3099	cf::cede_to_tick;
		3100	}
		3101
		3102	if ($soundconf) {
		3103	$soundconf = $enc->decode (delete $soundconf->{data});
		3104
		3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3106	my $sound = $soundconf->{compat}[$_]
		3107	or next;
		3108
		3109	my $face = cf::face::find "sound/$sound->[1]";
		3110	cf::sound::set $sound->[0] => $face;
		3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3112	}
		3113
		3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3115	my $face = cf::face::find "sound/$v";
		3116	cf::sound::set $k => $face;
		3117	}
		3118	}
		3119	}
		3120
		3121	1
		3122	}
		3123
		3124	register_exticmd fx_want => sub {
		3125	my ($ns, $want) = @_;
		3126
		3127	while (my ($k, $v) = each %$want) {
		3128	$ns->fx_want ($k, $v);
		3129	}
		3130	};
		3131
		3132	sub reload_regions {
		3133	# HACK to clear player env face cache, we need some signal framework
		3134	# for this (global event?)
		3135	%ext::player_env::MUSIC_FACE_CACHE = ();
		3136
		3137	load_resource_file "$MAPDIR/regions"
		3138	or die "unable to load regions file\n";
		3139
		3140	for (cf::region::list) {
		3141	$_->{match} = qr/$_->{match}/
		3142	if exists $_->{match};
		3143	}
		3144	}
		3145
		3146	sub reload_facedata {
		3147	load_facedata "$DATADIR/facedata"
		3148	or die "unable to load facedata\n";
		3149	}
		3150
		3151	sub reload_archetypes {
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	#d# NEED to laod twice to resolve forward references
		3155	# this really needs to be done in an extra post-pass
		3156	# (which needs to be synchronous, so solve it differently)
		3157	load_resource_file "$DATADIR/archetypes"
		3158	or die "unable to load archetypes\n";
		3159	}
		3160
		3161	sub reload_treasures {
		3162	load_resource_file "$DATADIR/treasures"
		3163	or die "unable to load treasurelists\n";
		3164	}
		3165
		3166	sub reload_resources {
		3167	warn "reloading resource files...\n";
		3168
		3169	reload_regions;
		3170	reload_facedata;
		3171	#reload_archetypes;#d#
		3172	reload_archetypes;
		3173	reload_treasures;
		3174
		3175	warn "finished reloading resource files\n";
		3176	}
		3177
		3178	sub init {
		3179	reload_resources;
		3180	}
		3181
		3182	sub reload_config {
2259	open my $fh, "<:utf8", cf::confdir . "/config"	3183	open my $fh, "<:utf8", "$CONFDIR/config"
2260	or return;	3184	or return;
2261		3185
2262	local $/;	3186	local $/;
2263	*CFG = YAML::Syck::Load <$fh>;	3187	*CFG = YAML::Syck::Load <$fh>;
2264		3188
…		…
2279	sub main {	3203	sub main {
2280	# we must not ever block the main coroutine	3204	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3205	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3207	(async {
		3208	$Coro::current->{desc} = "IDLE BUG HANDLER";
2284	Event::one_event;	3209	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	3210	})->prio (Coro::PRIO_MAX);
2286	};	3211	};
2287		3212
2288	cfg_load;	3213	reload_config;
2289	db_load;	3214	db_init;
2290	load_extensions;	3215	load_extensions;
2291		3216
2292	$TICK_WATCHER->start;	3217	$TICK_WATCHER->start;
2293	Event::loop;	3218	Event::loop;
2294	}	3219	}
…		…
2309	},	3234	},
2310	);	3235	);
2311	}	3236	}
2312	}	3237	}
2313		3238
		3239	sub write_runtime {
		3240	my $runtime = "$LOCALDIR/runtime";
		3241
		3242	# first touch the runtime file to show we are still running:
		3243	# the fsync below can take a very very long time.
		3244
		3245	IO::AIO::aio_utime $runtime, undef, undef;
		3246
		3247	my $guard = cf::lock_acquire "write_runtime";
		3248
		3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3250	or return;
		3251
		3252	my $value = $cf::RUNTIME + 90 + 10;
		3253	# 10 is the runtime save interval, for a monotonic clock
		3254	# 60 allows for the watchdog to kill the server.
		3255
		3256	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3257	and return;
		3258
		3259	# always fsync - this file is important
		3260	aio_fsync $fh
		3261	and return;
		3262
		3263	# touch it again to show we are up-to-date
		3264	aio_utime $fh, undef, undef;
		3265
		3266	close $fh
		3267	or return;
		3268
		3269	aio_rename "$runtime~", $runtime
		3270	and return;
		3271
		3272	warn "runtime file written.\n";
		3273
		3274	1
		3275	}
		3276
2314	sub emergency_save() {	3277	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3278	my $freeze_guard = cf::freeze_mainloop;
2316		3279
2317	warn "enter emergency perl save\n";	3280	warn "enter emergency perl save\n";
2318		3281
…		…
2322	# and maps saved/destroyed asynchronously.	3285	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3286	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3287	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3288	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3289	$pl->valid or next;
		3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3291	$pl->save;
2328	}	3292	}
2329	warn "end emergency player save\n";	3293	warn "end emergency player save\n";
2330		3294
2331	warn "begin emergency map save\n";	3295	warn "begin emergency map save\n";
…		…
2333	my $map = $cf::MAP{$path} or next;	3297	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3298	$map->valid or next;
2335	$map->save;	3299	$map->save;
2336	}	3300	}
2337	warn "end emergency map save\n";	3301	warn "end emergency map save\n";
		3302
		3303	warn "begin emergency database checkpoint\n";
		3304	BDB::db_env_txn_checkpoint $DB_ENV;
		3305	warn "end emergency database checkpoint\n";
2338	};	3306	};
2339		3307
2340	warn "leave emergency perl save\n";	3308	warn "leave emergency perl save\n";
2341	}	3309	}
2342		3310
		3311	sub post_cleanup {
		3312	my ($make_core) = @_;
		3313
		3314	warn Carp::longmess "post_cleanup backtrace"
		3315	if $make_core;
		3316	}
		3317
2343	sub reload() {	3318	sub do_reload_perl() {
2344	# can/must only be called in main	3319	# can/must only be called in main
2345	if ($Coro::current != $Coro::main) {	3320	if ($Coro::current != $Coro::main) {
2346	warn "can only reload from main coroutine";	3321	warn "can only reload from main coroutine";
2347	return;	3322	return;
2348	}	3323	}
2349		3324
2350	warn "reloading...";	3325	warn "reloading...";
2351		3326
2352	warn "cancelling server ticker";	3327	warn "entering sync_job";
2353	$TICK_WATCHER->cancel;
2354		3328
		3329	cf::sync_job {
		3330	cf::write_runtime; # external watchdog should not bark
2355	cf::emergency_save;	3331	cf::emergency_save;
		3332	cf::write_runtime; # external watchdog should not bark
2356		3333
2357	eval {	3334	warn "syncing database to disk";
		3335	BDB::db_env_txn_checkpoint $DB_ENV;
		3336
2358	# if anything goes wrong in here, we should simply crash as we already saved	3337	# if anything goes wrong in here, we should simply crash as we already saved
2359
2360	warn "syncing database to disk";
2361	cf::db_sync;
2362		3338
2363	warn "cancelling all WF_AUTOCANCEL watchers";	3339	warn "cancelling all WF_AUTOCANCEL watchers";
2364	for (Event::all_watchers) {	3340	for (Event::all_watchers) {
2365	$_->cancel if $_->data & WF_AUTOCANCEL;	3341	$_->cancel if $_->data & WF_AUTOCANCEL;
2366	}	3342	}
2367		3343
2368	warn "flushing outstanding aio requests";	3344	warn "flushing outstanding aio requests";
2369	for (;;) {	3345	for (;;) {
		3346	BDB::flush;
2370	IO::AIO::flush;	3347	IO::AIO::flush;
2371	Coro::cede;	3348	Coro::cede;
2372	last unless IO::AIO::nreqs;	3349	last unless IO::AIO::nreqs || BDB::nreqs;
2373	warn "iterate...";	3350	warn "iterate...";
2374	}	3351	}
		3352
		3353	++$RELOAD;
2375		3354
2376	warn "cancelling all extension coros";	3355	warn "cancelling all extension coros";
2377	$_->cancel for values %EXT_CORO;	3356	$_->cancel for values %EXT_CORO;
2378	%EXT_CORO = ();	3357	%EXT_CORO = ();
2379		3358
2380	warn "removing commands";	3359	warn "removing commands";
2381	%COMMAND = ();	3360	%COMMAND = ();
2382		3361
2383	warn "removing ext commands";	3362	warn "removing ext/exti commands";
2384	%EXTCMD = ();	3363	%EXTCMD = ();
		3364	%EXTICMD = ();
2385		3365
2386	warn "unloading/nuking all extensions";	3366	warn "unloading/nuking all extensions";
2387	for my $pkg (@EXTS) {	3367	for my $pkg (@EXTS) {
2388	warn "... unloading $pkg";	3368	warn "... unloading $pkg";
2389		3369
…		…
2419	Symbol::delete_package "safe::$_"	3399	Symbol::delete_package "safe::$_"
2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3400	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421		3401
2422	warn "unloading cf.pm \"a bit\"";	3402	warn "unloading cf.pm \"a bit\"";
2423	delete $INC{"cf.pm"};	3403	delete $INC{"cf.pm"};
		3404	delete $INC{"cf/pod.pm"};
2424		3405
2425	# don't, removes xs symbols, too,	3406	# don't, removes xs symbols, too,
2426	# and global variables created in xs	3407	# and global variables created in xs
2427	#Symbol::delete_package __PACKAGE__;	3408	#Symbol::delete_package __PACKAGE__;
2428		3409
…		…
2431	warn "reloading cf.pm";	3412	warn "reloading cf.pm";
2432	require cf;	3413	require cf;
2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434		3415
2435	warn "loading config and database again";	3416	warn "loading config and database again";
2436	cf::cfg_load;	3417	cf::reload_config;
2437	cf::db_load;
2438		3418
2439	warn "loading extensions";	3419	warn "loading extensions";
2440	cf::load_extensions;	3420	cf::load_extensions;
2441		3421
2442	warn "reattaching attachments to objects/players";	3422	warn "reattaching attachments to objects/players";
2443	_global_reattach;	3423	_global_reattach; # objects, sockets
2444	warn "reattaching attachments to maps";	3424	warn "reattaching attachments to maps";
2445	reattach $_ for values %MAP;	3425	reattach $_ for values %MAP;
		3426	warn "reattaching attachments to players";
		3427	reattach $_ for values %PLAYER;
2446		3428
2447	warn "restarting server ticker";	3429	warn "leaving sync_job";
2448		3430
2449	$TICK_WATCHER->start;	3431	1
2450	};	3432	} or do {
2451
2452	if ($@) {
2453	warn $@;	3433	warn $@;
2454	warn "error while reloading, exiting.";	3434	warn "error while reloading, exiting.";
2455	exit 1;	3435	exit 1;
2456	}	3436	};
2457		3437
2458	warn "reloaded";	3438	warn "reloaded";
2459	};	3439	};
2460		3440
2461	our $RELOAD_WATCHER; # used only during reload	3441	our $RELOAD_WATCHER; # used only during reload
2462		3442
		3443	sub reload_perl() {
		3444	# doing reload synchronously and two reloads happen back-to-back,
		3445	# coro crashes during coro_state_free->destroy here.
		3446
		3447	$RELOAD_WATCHER ||= Event->timer (
		3448	reentrant => 0,
		3449	after => 0,
		3450	data => WF_AUTOCANCEL,
		3451	cb => sub {
		3452	do_reload_perl;
		3453	undef $RELOAD_WATCHER;
		3454	},
		3455	);
		3456	}
		3457
2463	register_command "reload" => sub {	3458	register_command "reload" => sub {
2464	my ($who, $arg) = @_;	3459	my ($who, $arg) = @_;
2465		3460
2466	if ($who->flag (FLAG_WIZ)) {	3461	if ($who->flag (FLAG_WIZ)) {
2467	$who->message ("reloading server.");	3462	$who->message ("reloading server.");
2468		3463	async {
2469	# doing reload synchronously and two reloads happen back-to-back,	3464	$Coro::current->{desc} = "perl_reload";
2470	# coro crashes during coro_state_free->destroy here.
2471
2472	$RELOAD_WATCHER ||= Event->timer (
2473	reentrant => 0,
2474	after => 0,
2475	data => WF_AUTOCANCEL,
2476	cb => sub {
2477	reload;	3465	reload_perl;
2478	undef $RELOAD_WATCHER;
2479	},
2480	);	3466	};
2481	}	3467	}
2482	};	3468	};
2483		3469
2484	unshift @INC, $LIBDIR;	3470	unshift @INC, $LIBDIR;
2485		3471
2486	my $bug_warning = 0;	3472	my $bug_warning = 0;
		3473
		3474	our @WAIT_FOR_TICK;
		3475	our @WAIT_FOR_TICK_BEGIN;
		3476
		3477	sub wait_for_tick {
		3478	return unless $TICK_WATCHER->is_active;
		3479	return if $Coro::current == $Coro::main;
		3480
		3481	my $signal = new Coro::Signal;
		3482	push @WAIT_FOR_TICK, $signal;
		3483	$signal->wait;
		3484	}
		3485
		3486	sub wait_for_tick_begin {
		3487	return unless $TICK_WATCHER->is_active;
		3488	return if $Coro::current == $Coro::main;
		3489
		3490	my $signal = new Coro::Signal;
		3491	push @WAIT_FOR_TICK_BEGIN, $signal;
		3492	$signal->wait;
		3493	}
2487		3494
2488	$TICK_WATCHER = Event->timer (	3495	$TICK_WATCHER = Event->timer (
2489	reentrant => 0,	3496	reentrant => 0,
2490	parked => 1,	3497	parked => 1,
2491	prio => 0,	3498	prio => 0,
…		…
2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497	unless ++$bug_warning > 10;	3504	unless ++$bug_warning > 10;
2498	return;	3505	return;
2499	}	3506	}
2500		3507
2501	$NOW = Event::time;	3508	$NOW = $tick_start = Event::time;
2502		3509
2503	cf::server_tick; # one server iteration	3510	cf::server_tick; # one server iteration
		3511
2504	$RUNTIME += $TICK;	3512	$RUNTIME += $TICK;
2505	$NEXT_TICK += $TICK;	3513	$NEXT_TICK += $TICK;
2506		3514
2507	$WAIT_FOR_TICK->broadcast;	3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3516	$NEXT_RUNTIME_WRITE = $NOW + 10;
2509		3517	Coro::async_pool {
2510	Event::sweep;	3518	$Coro::current->{desc} = "runtime saver";
2511	Coro::cede_notself;	3519	write_runtime
		3520	or warn "ERROR: unable to write runtime file: $!";
		3521	};
2512		3522	}
2513	# my $AFTER = Event::time;	3523
2514	# warn $AFTER - $NOW;#d#	3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3525	$sig->send;
		3526	}
		3527	while (my $sig = shift @WAIT_FOR_TICK) {
		3528	$sig->send;
		3529	}
		3530
		3531	$NOW = Event::time;
2515		3532
2516	# if we are delayed by four ticks or more, skip them all	3533	# if we are delayed by four ticks or more, skip them all
2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2518		3535
2519	$TICK_WATCHER->at ($NEXT_TICK);	3536	$TICK_WATCHER->at ($NEXT_TICK);
2520	$TICK_WATCHER->start;	3537	$TICK_WATCHER->start;
		3538
		3539	$LOAD = ($NOW - $tick_start) / $TICK;
		3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3541
		3542	_post_tick;
2521	},	3543	},
2522	);	3544	);
2523		3545
		3546	{
		3547	BDB::min_parallel 8;
		3548	BDB::max_poll_time $TICK * 0.1;
		3549	$BDB_POLL_WATCHER = Event->io (
		3550	reentrant => 0,
		3551	fd => BDB::poll_fileno,
		3552	poll => 'r',
		3553	prio => 0,
		3554	data => WF_AUTOCANCEL,
		3555	cb => \&BDB::poll_cb,
		3556	);
		3557
		3558	BDB::set_sync_prepare {
		3559	my $status;
		3560	my $current = $Coro::current;
		3561	(
		3562	sub {
		3563	$status = $!;
		3564	$current->ready; undef $current;
		3565	},
		3566	sub {
		3567	Coro::schedule while defined $current;
		3568	$! = $status;
		3569	},
		3570	)
		3571	};
		3572
		3573	unless ($DB_ENV) {
		3574	$DB_ENV = BDB::db_env_create;
		3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3576	| BDB::LOG_AUTOREMOVE, 1);
		3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3579
		3580	cf::sync_job {
		3581	eval {
		3582	BDB::db_env_open
		3583	$DB_ENV,
		3584	$BDBDIR,
		3585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3587	0666;
		3588
		3589	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3590	};
		3591
		3592	cf::cleanup "db_env_open(db): $@" if $@;
		3593	};
		3594	}
		3595
		3596	$BDB_DEADLOCK_WATCHER = Event->timer (
		3597	after => 3,
		3598	interval => 1,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3607	after => 11,
		3608	interval => 60,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3614	},
		3615	);
		3616	$BDB_TRICKLE_WATCHER = Event->timer (
		3617	after => 5,
		3618	interval => 10,
		3619	hard => 1,
		3620	prio => 0,
		3621	data => WF_AUTOCANCEL,
		3622	cb => sub {
		3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3624	},
		3625	);
		3626	}
		3627
		3628	{
		3629	IO::AIO::min_parallel 8;
		3630
		3631	undef $Coro::AIO::WATCHER;
2524	IO::AIO::max_poll_time $TICK * 0.1;	3632	IO::AIO::max_poll_time $TICK * 0.1;
2525
2526	undef $Coro::AIO::WATCHER;
2527	$AIO_POLL_WATCHER = Event->io (	3633	$AIO_POLL_WATCHER = Event->io (
2528	reentrant => 0,	3634	reentrant => 0,
		3635	data => WF_AUTOCANCEL,
2529	fd => IO::AIO::poll_fileno,	3636	fd => IO::AIO::poll_fileno,
2530	poll => 'r',	3637	poll => 'r',
2531	prio => 6,	3638	prio => 0,
2532	data => WF_AUTOCANCEL,
2533	cb => \&IO::AIO::poll_cb,	3639	cb => \&IO::AIO::poll_cb,
2534	);	3640	);
		3641	}
2535		3642
2536	$WRITE_RUNTIME_WATCHER = Event->timer (	3643	my $_log_backtrace;
2537	reentrant => 0,	3644
2538	data => WF_AUTOCANCEL,	3645	sub _log_backtrace {
2539	after => 1,	3646	my ($msg, @addr) = @_;
2540	interval => 10,	3647
2541	prio => 6, # keep it lowest so it acts like a watchdog	3648	$msg =~ s/\n//;
2542	cb => Coro::unblock_sub {	3649
2543	write_runtime	3650	# limit the # of concurrent backtraces
2544	or warn "ERROR: unable to write runtime file: $!";	3651	if ($_log_backtrace < 2) {
		3652	++$_log_backtrace;
		3653	async {
		3654	$Coro::current->{desc} = "abt $msg";
		3655
		3656	my @bt = fork_call {
		3657	@addr = map { sprintf "%x", $_ } @addr;
		3658	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3659	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3660	or die "addr2line: $!";
		3661
		3662	my @funcs;
		3663	my @res = <$fh>;
		3664	chomp for @res;
		3665	while (@res) {
		3666	my ($func, $line) = splice @res, 0, 2, ();
		3667	push @funcs, "[$func] $line";
		3668	}
		3669
		3670	@funcs
		3671	};
		3672
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] $_\n" for @bt;
		3675	--$_log_backtrace;
		3676	};
		3677	} else {
		3678	LOG llevInfo, "[ABT] $msg\n";
		3679	LOG llevInfo, "[ABT] [suppressed]\n";
2545	},	3680	}
2546	);	3681	}
		3682
		3683	# load additional modules
		3684	use cf::pod;
2547		3685
2548	END { cf::emergency_save }	3686	END { cf::emergency_save }
2549		3687
2550	1	3688	1
2551		3689

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