ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.381 by root, Mon Oct 8 18:19:39 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 Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
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;
87		120
88	sub cf::map::normalise;	121	sub cf::map::normalise;
89		122
…		…
100	=item $cf::RUNTIME	133	=item $cf::RUNTIME
101		134
102	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
103	every server tick.	136	every server tick.
104		137
105	=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
106		141
107	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		146
110	=item $cf::NOW	147	=item $cf::NOW
111		148
112	The time of the last (current) server tick.	149	The time of the last (current) server tick.
113		150
114	=item $cf::TICK	151	=item $cf::TICK
115		152
116	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.
117		164
118	=item %cf::CFG	165	=item %cf::CFG
119		166
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	168	from wherever your confdir points to.
122		169
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		171
125	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
126	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
127	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.
128	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.
129		181
130	=back	182	=back
131		183
132	=cut	184	=cut
133		185
134	BEGIN {	186	BEGIN {
135	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	188	my $msg = join "", @_;
137	utf8::encode $msg;
138		189
139	$msg .= "\n"	190	$msg .= "\n"
140	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
141		194
142	LOG llevError, $msg;	195	LOG llevError, $msg;
143	};	196	};
144	}	197	}
145		198
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		206
153	# 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
154	# within the Safe compartment.	208	# within the Safe compartment.
155	for my $pkg (qw(	209	for my $pkg (qw(
156	cf::global cf::attachable	210	cf::global cf::attachable
…		…
164	}	218	}
165		219
166	$Event::DIED = sub {	220	$Event::DIED = sub {
167	warn "error in event callback: @_";	221	warn "error in event callback: @_";
168	};	222	};
		223
		224	#############################################################################
169		225
170	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
171		227
172	=over 4	228	=over 4
173		229
…		…
192	$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;
193	$d	249	$d
194	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
195	}	251	}
196		252
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
200		254
201	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
202		256
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
211		258
212	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
213		260
214	=cut	261	=cut
215		262
216	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
218	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	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
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($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#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
261	}	323	}
262		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
266	my $guard = Coro::guard {	334	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	336	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$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;
273	}	397	}
274		398
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	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)
288	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
289	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.
290		415
291	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
292	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
293	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
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
305	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	435	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
308		437
309	my $busy = 1;	438	my $busy = 1;
310	my @res;	439	my @res;
311		440
312	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	443	@res = eval { $job->() };
314	warn $@ if $@;	444	warn $@ if $@;
315	undef $busy;	445	undef $busy;
316	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
317		447
318	while ($busy) {	448	while ($busy) {
319	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
320	}	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
321		458
322	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
323	} else {	460	} else {
324	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
325		462
…		…
345	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
346		483
347	$coro	484	$coro
348	}	485	}
349		486
350	sub write_runtime {	487	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		488
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
354	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.
355		493
356	my $value = $cf::RUNTIME + 90 + 10;	494	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		495
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	496	sub fork_call(&@) {
361	and return;	497	my ($cb, @args) = @_;
362		498
363	aio_fsync $fh	499	# we seemingly have to make a local copy of the whole thing,
364	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
365		502
366	close $fh	503	my @res = Coro::Util::fork_eval {
367	or return;	504	reset_signals;
		505	&$cb
		506	}, @args;
368		507
369	aio_rename "$runtime~", $runtime	508	wantarray ? @res : $res[-1]
370	and return;	509	}
371		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
372	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 });
373	}	647	}
374		648
375	=back	649	=back
376		650
377	=cut	651	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
386		660
387	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>
388	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
389	crossfire+).	663	Crossfire TRT).
390		664
391	=over 4	665	=over 4
392		666
393	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
394		668
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
558		832
559	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		837
564	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	839	my $pkg = shift @arg;
566		840
567	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
597	}	871	}
598		872
599	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
600	} else {	874	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	876	}
603		877
604	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
605	}	879	}
606		880
…		…
608	if (ref $_[0]) {	882	if (ref $_[0]) {
609	_object_attach @_;	883	_object_attach @_;
610	} else {	884	} else {
611	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
612	}	886	}
		887	_recalc_want;
613	};	888	};
614		889
615	# all those should be optimised	890	# all those should be optimised
616	sub cf::attachable::detach {	891	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
621	reattach ($obj);	896	reattach ($obj);
622	} else {	897	} else {
623	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
624	}	899	}
		900	_recalc_want;
625	};	901	};
626		902
627	sub cf::attachable::attached {	903	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
629		905
…		…
644	";	920	";
645	die if $@;	921	die if $@;
646	}	922	}
647		923
648	our $override;	924	our $override;
649	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?
650		926
651	sub override {	927	sub override {
652	$override = 1;	928	$override = 1;
653	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
654	}	930	}
655		931
656	sub do_invoke {	932	sub do_invoke {
657	my $event = shift;	933	my $event = shift;
658	my $callbacks = shift;	934	my $callbacks = shift;
659		935
660	@invoke_results = ();	936	@INVOKE_RESULTS = ();
661		937
662	local $override;	938	local $override;
663		939
664	for (@$callbacks) {	940	for (@$callbacks) {
665	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
682		958
683	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
684		960
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		964
689	=back	965	=back
690		966
691	=cut	967	=cut
692		968
693	#############################################################################	969	#############################################################################
694	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
695		982
696	sub reattach {	983	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	985	my ($obj) = @_;
699		986
…		…
746	sub object_freezer_save {	1033	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
748		1035
749	sync_job {	1036	sync_job {
750	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
753		1041
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1045	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1046	close $fh;
759		1047
760	if (@$objs) {	1048	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1053	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1054	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
768	}	1056	}
769	} else {	1057	} else {
770	aio_unlink "$filename.pst";	1058	aio_unlink "$filename.pst";
…		…
776	}	1064	}
777	} else {	1065	} else {
778	aio_unlink $filename;	1066	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
780	}	1068	}
781	}	1069	};
782	}	1070	}
783		1071
784	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
786		1074
…		…
798	or return;	1086	or return;
799		1087
800	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
802	or return;	1090	or return;
803	$av = eval { (Storable::thaw $av)->{objs} };
804	}
805		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
808	return ($data, $av);	1101	($data, $av)
809	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
810		1109
811	#############################################################################	1110	#############################################################################
812	# command handling &c	1111	# command handling &c
813		1112
814	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1127	}
829		1128
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1130
832	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
833		1136
834	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
835	called.	1138	called.
836		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
837	=cut	1151	=cut
838		1152
839	sub register_extcmd {	1153	sub register_extcmd {
840	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
841		1155
842	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
843	}	1163	}
844		1164
845	cf::player->attach (	1165	cf::player->attach (
846	on_command => sub {	1166	on_command => sub {
847	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1176	cf::override;
857	},	1177	},
858	on_extcmd => sub {	1178	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
860		1180
861	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1182
863	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
869	} else {	1198	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1200	}
872		1201
873	cf::override;	1202	cf::override;
874	},	1203	},
875	);	1204	);
876		1205
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
912	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1211	next unless -r $path;
914	eval {	1212
915	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
916	1	1270	}
917	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
918	}	1276	};
919	}	1277	}
920		1278
921	#############################################################################	1279	#############################################################################
922		1280
		1281	=back
		1282
923	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
924		1284
925	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
926		1286
927	=cut	1287	=cut
…		…
932		1292
933	=head3 cf::player	1293	=head3 cf::player
934		1294
935	=over 4	1295	=over 4
936		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
937	=item cf::player::find $login	1311	=item cf::player::find $login
938		1312
939	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
940		1314
941	=cut	1315	=cut
942		1316
943	sub playerdir($) {	1317	sub playerdir($) {
944	cf::localdir	1318	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1320	}
950		1321
951	sub path($) {	1322	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1324
954	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
955	}	1326	}
956		1327
957	sub find_active($) {	1328	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1343	my $login = $_[0];
973		1344
974	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
975		1346
976	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
978	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
980	}	1363	}
981	}	1364	}
982	}	1365	}
983		1366
…		…
993		1376
994	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
996		1379
997	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
998	Coro::cede;	1381	cf::cede_to_tick;
999	}	1382	}
1000		1383
1001	sub new($) {	1384	sub new($) {
1002	my ($login) = @_;	1385	my ($login) = @_;
1003		1386
…		…
1009	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1010		1393
1011	$self	1394	$self
1012	}	1395	}
1013		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1014	=item $pl->quit_character	1407	=item $pl->quit_character
1015		1408
1016	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1018		1411
1019	=cut	1412	=cut
1020		1413
1021	sub quit_character {	1414	sub quit_character {
1022	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1023		1418
1024	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1026		1421
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1037	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1038	}	1453	}
1039		1454
1040	=item cf::player::list_logins	1455	=item cf::player::list_logins
1041		1456
1042	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1044		1459
1045	=cut	1460	=cut
1046		1461
1047	sub list_logins {	1462	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1464	or return [];
1050		1465
1051	my @logins;	1466	my @logins;
1052		1467
1053	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1057		1477
1058	utf8::decode $login;	1478	utf8::decode $login;
1059	push @logins, $login;	1479	push @logins, $login;
1060	}	1480	}
1061		1481
…		…
1069		1489
1070	=cut	1490	=cut
1071		1491
1072	sub maps($) {	1492	sub maps($) {
1073	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1496
1075	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1076	or return;	1498	or return;
1077		1499
1078	my @paths;	1500	my @paths;
…		…
1080	for (@$files) {	1502	for (@$files) {
1081	utf8::decode $_;	1503	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1084		1506
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1507	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1508	}
1087		1509
1088	\@paths	1510	\@paths
1089	}	1511	}
1090		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1092		1565
1093	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1094		1567
1095	=cut	1568	=cut
1096		1569
1097	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1099		1572
1100	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1574	}
1104		1575
1105	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1106		1616
1107	=back	1617	=back
1108
1109		1618
1110	=head3 cf::map	1619	=head3 cf::map
1111		1620
1112	=over 4	1621	=over 4
1113		1622
…		…
1168	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1169		1678
1170	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1171	local $self->{path};	1680	local $self->{path};
1172	local $self->{load_path};	1681	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1682
1176	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1177	}	1684	}
1178		1685
1179	sub normalise {	1686	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1227	return $self;	1734	return $self;
1228	}	1735	}
1229	}	1736	}
1230		1737
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1739	()
1233	}	1740	}
1234		1741
1235	sub init {	1742	sub init {
1236	my ($self) = @_;	1743	my ($self) = @_;
…		…
1251		1758
1252	# the original (read-only) location	1759	# the original (read-only) location
1253	sub load_path {	1760	sub load_path {
1254	my ($self) = @_;	1761	my ($self) = @_;
1255		1762
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1257	}	1764	}
1258		1765
1259	# the temporary/swap location	1766	# the temporary/swap location
1260	sub save_path {	1767	sub save_path {
1261	my ($self) = @_;	1768	my ($self) = @_;
1262		1769
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1265	}	1772	}
1266		1773
1267	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1268	sub uniq_path {	1775	sub uniq_path {
1269	my ($self) = @_;	1776	my ($self) = @_;
1270		1777
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1273	}	1780	}
1274		1781
1275	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1276	# all maps in C++...	1783	# all maps in C++...
1277	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1279		1786
1280	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1282	}	1789	}
1283		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1284	sub unlink_save {	1799	sub unlink_save {
1285	my ($self) = @_;	1800	my ($self) = @_;
1286		1801
1287	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1806
1292	sub load_header_from($) {	1807	sub load_header_from($) {
1293	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1294		1809
1295	utf8::encode $path;	1810	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1297	or return;	1812	or return;
1298		1813
1299	$self->_load_header ($path)	1814	$self->_load_header ($f)
1300	or return;	1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1301		1819
1302	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1303		1821
1304	1	1822	1
1305	}	1823	}
…		…
1344	$self->load_header_orig	1862	$self->load_header_orig
1345	or return;	1863	or return;
1346	$self->prepare_orig;	1864	$self->prepare_orig;
1347	}	1865	}
1348		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1349	1	1873	1
1350	}	1874	}
1351		1875
1352	sub find;	1876	sub find;
1353	sub find {	1877	sub find {
1354	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1355		1879
1356	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1357		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1359		1884
1360	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1362	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1363	or return;	1890	or return;
1364		1891
1365	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1366		1893
1367	$map->load_header	1894	$map->load_header
1368	or return;	1895	or return;
1369		1896
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1373	$map->reset;	1902	$map->reset;
1374	undef $guard;
1375	return find $path;	1903	return find $path;
1376	}	1904	}
1377		1905
1378	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1379	}	1907	}
…		…
1386	my ($self) = @_;	1914	my ($self) = @_;
1387		1915
1388	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1389		1917
1390	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1392		1922
		1923	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		1925
1395	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1396		1927
1397	$self->alloc;	1928	$self->alloc;
1398		1929
1399	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1400		1932
1401	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1402	or return;	1936	or return;
1403		1937
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};	1939	if delete $self->{load_original};
1406		1940
1407	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	1942	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	1945	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1412	}	1949	}
1413	}	1950	}
1414		1951
1415	Coro::cede;	1952	$f->resolve_delayed_derefs;
1416		1953
		1954	cf::cede_to_tick;
1417	# now do the right thing for maps	1955	# now do the right thing for maps
1418	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1958	unless $self->difficulty;
1428	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1429	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1975	}
1431		1976
1432	$self->post_load;	1977	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1978	}
1436		1979
1437	sub customise_for {	1980	sub customise_for {
1438	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1439		1982
1440	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1984	if $self->per_player;
1442		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1443	$self	1989	$self
1444	}	1990	}
1445		1991
1446	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	1993	sub load_neighbours {
1448	my ($map) = @_;	1994	my ($map) = @_;
1449		1995
1450	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1451		1997
1452	for (0 .. 3) {	1998	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1454	or next;	2000	or next;
1455	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1456	or next;	2002	or next;
1457	$neigh->load;	2003	$neigh->load;
1458		2004
		2005	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2008	}
1462		2009
1463	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1465	or next;	2013	or next;
1466	$neigh->load;	2014	$neigh->load;
1467	}	2015	}
1468	}	2016	}
1469		2017
…		…
1474	}	2022	}
1475		2023
1476	sub do_load_sync {	2024	sub do_load_sync {
1477	my ($map) = @_;	2025	my ($map) = @_;
1478		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1479	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1480	}	2031	}
1481		2032
1482	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1484		2035
1485	sub find_async {	2036	sub find_async {
1486	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1487		2038
1488	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1489		2040
1490	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492	}	2043	}
1493		2044
1494	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1495	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1496	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2052	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2053	$map->load if $v;
		2054	}
1501		2055
1502	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1503	}	2057	}
1504	}	2058	}
1505	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1506	};	2060	};
1507	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2064	}
1511		2065
1512	sub save {	2066	sub save {
1513	my ($self) = @_;	2067	my ($self) = @_;
1514		2068
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2070
1517	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1518		2072
1519	return unless $self->dirty;	2073	return unless $self->dirty;
1520		2074
…		…
1526	return if $self->{deny_save};	2080	return if $self->{deny_save};
1527		2081
1528	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1529		2083
1530	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1532	};	2087	};
1533		2088
1534	if ($uniq) {	2089	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1543	my ($self) = @_;	2098	my ($self) = @_;
1544		2099
1545	# save first because save cedes	2100	# save first because save cedes
1546	$self->save;	2101	$self->save;
1547		2102
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2104
1550	return if $self->players;	2105	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2107	return if $self->{deny_save};
1553		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2113	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2114	}
1557		2115
1558	sub reset_at {	2116	sub reset_at {
1559	my ($self) = @_;	2117	my ($self) = @_;
1560		2118
1561	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1564		2121
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2124
…		…
1578	my ($self) = @_;	2135	my ($self) = @_;
1579		2136
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2138
1582	return if $self->players;	2139	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2140
1585	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	# need to save uniques path
		2146	unless ($self->{deny_save}) {
		2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2148
		2149	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2150	if $uniq;
		2151	}
1586		2152
1587	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1588		2154
1589	$self->in_memory (cf::MAP_SWAPPED);	2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2157	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2158
1594	$self->unlink_save;	2159	$self->unlink_save;
1595	$self->destroy;	2160	$self->destroy;
1596	}	2161	}
1597		2162
1598	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1599		2164
1600	sub nuke {	2165	sub nuke {
1601	my ($self) = @_;	2166	my ($self) = @_;
1602		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1603	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1604		2172
1605	$self->unlink_save;	2173	$self->unlink_save;
1606		2174
1607	bless $self, "cf::map";	2175	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2180
1613	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1614		2183
1615	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1616	}	2221	}
1617		2222
1618	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1619		2224
1620	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2226	instantiated unique items. May block.
1622		2227
1623	=cut	2228	=cut
1624		2229
1625	sub unique_maps() {	2230	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1627	or return;	2232	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2233	utf8::decode $_;
1633	next if /\.pst$/;	2234	/\.map$/
1634	next unless /^$PATH_SEP/o;	2235	? normalise $_
1635		2236	: ()
1636	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2238	]
1638
1639	\@paths
1640	}	2239	}
1641		2240
1642	package cf;	2241	package cf;
1643		2242
1644	=back	2243	=back
…		…
1662	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1663	}	2262	}
1664		2263
1665	sub inv_recursive {	2264	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1667	}	2294	}
1668		2295
1669	package cf;	2296	package cf;
1670		2297
1671	=back	2298	=back
…		…
1690		2317
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2319
1693	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1695	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1698	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1699	}	2345	}
1700		2346
1701	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1702		2348
1703	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1751		2397
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2399
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1756		2402
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2404	}
1759		2405
1760	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1762		2410
1763	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1764		2412
1765	unless ($map) {	2413	unless ($map) {
1766	# restore original map position	2414	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1783		2431
1784	$map->load;	2432	$map->load;
1785	$map->load_diag;	2433	$map->load_neighbours;
1786		2434
1787	return unless $self->contr->active;	2435	return unless $self->contr->active;
1788	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1790	}	2440	}
1791		2441
1792	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2443
1796	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1800	};	2448	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2449
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1827		2453
1828	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2459
1831	$self->enter_link;	2460	$self->enter_link;
1832		2461
1833	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1834	my $map = eval {	2484	my $map = eval {
1835	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1837	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2500	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1842	})->prio (1);	2508	})->prio (1);
1843	}	2509	}
1844		2510
1845	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1846		2512
…		…
1885		2551
1886	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1887		2553
1888	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2556	my $meta = "$RANDOMDIR/$md5.meta";
1891		2557
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2560	undef $fh;
1895	aio_rename "$meta~", $meta;	2561	aio_rename "$meta~", $meta;
…		…
1904		2570
1905	return unless $self->type == cf::PLAYER;	2571	return unless $self->type == cf::PLAYER;
1906		2572
1907	if ($exit->slaying eq "/!") {	2573	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2575	# the problem is that $exit might not survive long enough
		2576	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2577	cf::sync_job { prepare_random_map $exit };
1910	}	2578	}
1911		2579
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
1915		2583
1916	$self->enter_link;	2584	$self->enter_link;
1917		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
1918	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
1919	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2594	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
1922		2596
1923	1;	2597	1;
1924	}) {	2598	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2599	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2600	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2601	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2602	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2603
1930	warn "ERROR in enter_exit: $@";	2604	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2605	$self->leave_link;
1932	}	2606	}
1933	})->prio (1);	2607	})->prio (1);
…		…
1946		2620
1947	sub cf::client::send_drawinfo {	2621	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2622	my ($self, $text, $flags) = @_;
1949		2623
1950	utf8::encode $text;	2624	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2626	}
1953		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
		2721	=item $client->ext_msg ($type, @msg)
		2722
		2723	Sends an ext event to the client.
		2724
		2725	=cut
		2726
		2727	sub cf::client::ext_msg($$@) {
		2728	my ($self, $type, @msg) = @_;
		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
		2733	push @msg, msgtype => "event_$type";
		2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
		2754	}
1954		2755
1955	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
1956		2757
1957	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2761
1961	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2763	become reliable at some point in the future.
1963		2764
1964	=cut	2765	=cut
1965		2766
1966	sub cf::client::query {	2767	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2776	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2778
1978	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
1980	}	2783	}
1981		2784
1982	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
1983	on_reply => sub {	2791	on_reply => sub {
1984	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
1985		2793
1986	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
1987	# get handled first	2795	# get handled first
1988	my $queue = delete $ns->{query_queue}	2796	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2797	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2798
1991	(shift @$queue)->[1]->($msg);	2799	(shift @$queue)->[1]->($msg);
		2800	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2801
1993	push @{ $ns->{query_queue} }, @$queue;	2802	push @{ $ns->{query_queue} }, @$queue;
1994		2803
1995	if (@{ $ns->{query_queue} } == @$queue) {	2804	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2805	if (@$queue) {
…		…
1998	} else {	2807	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2809	}
2001	}	2810	}
2002	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2003	);	2838	);
2004		2839
2005	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2006		2841
2007	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2050		2885
2051	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2052		2887
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2054		2893
2055	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2056		2895
2057	=pod	2896	=pod
2058		2897
2059	The following fucntions and emthods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2060		2899
2061	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2062	cf::object::player player	2904	cf::object::player
2063	cf::player peaceful	2905	player
2064	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2065		2912
2066	=cut	2913	=cut
2067		2914
2068	for (	2915	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr)],
2070	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2073	) {	2922	) {
2074	no strict 'refs';	2923	no strict 'refs';
…		…
2145	=back	2994	=back
2146		2995
2147	=cut	2996	=cut
2148		2997
2149	#############################################################################	2998	#############################################################################
		2999	# the server's init and main functions
2150		3000
2151	=head2 EXTENSION DATABASE SUPPORT	3001	sub load_facedata($) {
		3002	my ($path) = @_;
2152		3003
2153	Crossfire maintains a very simple database for extension use. It can	3004	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3005	# for this (global event?)
2155	excludes objects.	3006	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3007
2157	The parameter C<$family> should best start with the name of the extension	3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3009
2160	=over 4	3010	warn "loading facedata from $path\n";
2161		3011
2162	=item $hashref = cf::db_get $family	3012	my $facedata;
		3013	0 < aio_load $path, $facedata
		3014	or die "$path: $!";
2163		3015
2164	Return a hashref for use by the extension C<$family>, which can be	3016	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3017
2168	=item $value = cf::db_get $family => $key	3018	$facedata->{version} == 2
		3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3020
2170	Returns a single value from the database	3021	# patch in the exptable
2171		3022	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3023	type => FT_RSRC,
2173		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3025	};
		3026	cf::cede_to_tick;
2200		3027
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3028	{
		3029	my $faces = $facedata->{faceinfo};
2212		3030
2213	my $dirty;	3031	while (my ($face, $info) = each %$faces) {
		3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
		3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214		3037
2215	sub db_sync() {	3038	cf::cede_to_tick;
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3039	}
2254	);
2255	}
2256		3040
2257	#############################################################################	3041	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3042	next unless $info->{smooth};
		3043	my $idx = cf::face::find $face
		3044	or next;
		3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
		3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3048	} else {
		3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3050	}
2259		3051
2260	sub cfg_load {	3052	cf::cede_to_tick;
		3053	}
		3054	}
		3055
		3056	{
		3057	my $anims = $facedata->{animinfo};
		3058
		3059	while (my ($anim, $info) = each %$anims) {
		3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3061	cf::cede_to_tick;
		3062	}
		3063
		3064	cf::anim::invalidate_all; # d'oh
		3065	}
		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
		3116	1
		3117	}
		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
		3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
		3139	}
		3140
		3141	sub reload_facedata {
		3142	load_facedata "$DATADIR/facedata"
		3143	or die "unable to load facedata\n";
		3144	}
		3145
		3146	sub reload_archetypes {
		3147	load_resource_file "$DATADIR/archetypes"
		3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	}
		3155
		3156	sub reload_treasures {
		3157	load_resource_file "$DATADIR/treasures"
		3158	or die "unable to load treasurelists\n";
		3159	}
		3160
		3161	sub reload_resources {
		3162	warn "reloading resource files...\n";
		3163
		3164	reload_regions;
		3165	reload_facedata;
		3166	#reload_archetypes;#d#
		3167	reload_archetypes;
		3168	reload_treasures;
		3169
		3170	warn "finished reloading resource files\n";
		3171	}
		3172
		3173	sub init {
		3174	reload_resources;
		3175	}
		3176
		3177	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3179	or return;
2263		3180
2264	local $/;	3181	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2266		3183
…		…
2281	sub main {	3198	sub main {
2282	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2286	Event::one_event;	3204	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2288	};	3206	};
2289		3207
2290	cfg_load;	3208	reload_config;
2291	db_load;	3209	db_init;
2292	load_extensions;	3210	load_extensions;
2293		3211
2294	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2295	Event::loop;	3213	Event::loop;
2296	}	3214	}
…		…
2311	},	3229	},
2312	);	3230	);
2313	}	3231	}
2314	}	3232	}
2315		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2316	sub emergency_save() {	3272	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2318		3274
2319	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2320		3276
…		…
2324	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2326	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save};
2329	$pl->save;	3286	$pl->save;
2330	}	3287	}
2331	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2332		3289
2333	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2335	my $map = $cf::MAP{$path} or next;	3292	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3293	$map->valid or next;
2337	$map->save;	3294	$map->save;
2338	}	3295	}
2339	warn "end emergency map save\n";	3296	warn "end emergency map save\n";
		3297
		3298	warn "begin emergency database checkpoint\n";
		3299	BDB::db_env_txn_checkpoint $DB_ENV;
		3300	warn "end emergency database checkpoint\n";
2340	};	3301	};
2341		3302
2342	warn "leave emergency perl save\n";	3303	warn "leave emergency perl save\n";
2343	}	3304	}
2344		3305
		3306	sub post_cleanup {
		3307	my ($make_core) = @_;
		3308
		3309	warn Carp::longmess "post_cleanup backtrace"
		3310	if $make_core;
		3311	}
		3312
2345	sub reload() {	3313	sub do_reload_perl() {
2346	# can/must only be called in main	3314	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3315	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3316	warn "can only reload from main coroutine";
2349	return;	3317	return;
2350	}	3318	}
2351		3319
2352	warn "reloading...";	3320	warn "reloading...";
2353		3321
2354	warn "cancelling server ticker";	3322	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3323
		3324	cf::sync_job {
		3325	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	3326	cf::emergency_save;
		3327	cf::write_runtime; # external watchdog should not bark
2358		3328
2359	eval {	3329	warn "syncing database to disk";
		3330	BDB::db_env_txn_checkpoint $DB_ENV;
		3331
2360	# if anything goes wrong in here, we should simply crash as we already saved	3332	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		3333
2365	warn "cancelling all WF_AUTOCANCEL watchers";	3334	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	3335	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3336	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3337	}
2369		3338
2370	warn "flushing outstanding aio requests";	3339	warn "flushing outstanding aio requests";
2371	for (;;) {	3340	for (;;) {
		3341	BDB::flush;
2372	IO::AIO::flush;	3342	IO::AIO::flush;
2373	Coro::cede;	3343	Coro::cede;
2374	last unless IO::AIO::nreqs;	3344	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3345	warn "iterate...";
2376	}	3346	}
		3347
		3348	++$RELOAD;
2377		3349
2378	warn "cancelling all extension coros";	3350	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3351	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3352	%EXT_CORO = ();
2381		3353
2382	warn "removing commands";	3354	warn "removing commands";
2383	%COMMAND = ();	3355	%COMMAND = ();
2384		3356
2385	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2387		3360
2388	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2391		3364
…		…
2421	Symbol::delete_package "safe::$_"	3394	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3396
2424	warn "unloading cf.pm \"a bit\"";	3397	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3398	delete $INC{"cf.pm"};
		3399	delete $INC{"cf/pod.pm"};
2426		3400
2427	# don't, removes xs symbols, too,	3401	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3402	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3403	#Symbol::delete_package __PACKAGE__;
2430		3404
…		…
2433	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2434	require cf;	3408	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3410
2437	warn "loading config and database again";	3411	warn "loading config and database again";
2438	cf::cfg_load;	3412	cf::reload_config;
2439	cf::db_load;
2440		3413
2441	warn "loading extensions";	3414	warn "loading extensions";
2442	cf::load_extensions;	3415	cf::load_extensions;
2443		3416
2444	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3418	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3419	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3420	reattach $_ for values %MAP;
		3421	warn "reattaching attachments to players";
		3422	reattach $_ for values %PLAYER;
2448		3423
2449	warn "restarting server ticker";	3424	warn "leaving sync_job";
2450		3425
2451	$TICK_WATCHER->start;	3426	1
2452	};	3427	} or do {
2453
2454	if ($@) {
2455	warn $@;	3428	warn $@;
2456	warn "error while reloading, exiting.";	3429	warn "error while reloading, exiting.";
2457	exit 1;	3430	exit 1;
2458	}	3431	};
2459		3432
2460	warn "reloaded";	3433	warn "reloaded";
2461	};	3434	};
2462		3435
2463	our $RELOAD_WATCHER; # used only during reload	3436	our $RELOAD_WATCHER; # used only during reload
2464		3437
		3438	sub reload_perl() {
		3439	# doing reload synchronously and two reloads happen back-to-back,
		3440	# coro crashes during coro_state_free->destroy here.
		3441
		3442	$RELOAD_WATCHER ||= Event->timer (
		3443	reentrant => 0,
		3444	after => 0,
		3445	data => WF_AUTOCANCEL,
		3446	cb => sub {
		3447	do_reload_perl;
		3448	undef $RELOAD_WATCHER;
		3449	},
		3450	);
		3451	}
		3452
2465	register_command "reload" => sub {	3453	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2467		3455
2468	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
2470		3458	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3459	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3460	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3461	};
2483	}	3462	}
2484	};	3463	};
2485		3464
2486	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2487		3466
2488	my $bug_warning = 0;	3467	my $bug_warning = 0;
		3468
		3469	our @WAIT_FOR_TICK;
		3470	our @WAIT_FOR_TICK_BEGIN;
		3471
		3472	sub wait_for_tick {
		3473	return unless $TICK_WATCHER->is_active;
		3474	return if $Coro::current == $Coro::main;
		3475
		3476	my $signal = new Coro::Signal;
		3477	push @WAIT_FOR_TICK, $signal;
		3478	$signal->wait;
		3479	}
		3480
		3481	sub wait_for_tick_begin {
		3482	return unless $TICK_WATCHER->is_active;
		3483	return if $Coro::current == $Coro::main;
		3484
		3485	my $signal = new Coro::Signal;
		3486	push @WAIT_FOR_TICK_BEGIN, $signal;
		3487	$signal->wait;
		3488	}
2489		3489
2490	$TICK_WATCHER = Event->timer (	3490	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3491	reentrant => 0,
2492	parked => 1,	3492	parked => 1,
2493	prio => 0,	3493	prio => 0,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3499	unless ++$bug_warning > 10;
2500	return;	3500	return;
2501	}	3501	}
2502		3502
2503	$NOW = Event::time;	3503	$NOW = $tick_start = Event::time;
2504		3504
2505	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
		3506
2506	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2508		3509
2509	$WAIT_FOR_TICK->broadcast;	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3512	Coro::async_pool {
2512	Event::sweep;	3513	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;	3514	write_runtime
		3515	or warn "ERROR: unable to write runtime file: $!";
		3516	};
2514		3517	}
2515	# my $AFTER = Event::time;	3518
2516	# warn $AFTER - $NOW;#d#	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3520	$sig->send;
		3521	}
		3522	while (my $sig = shift @WAIT_FOR_TICK) {
		3523	$sig->send;
		3524	}
		3525
		3526	$NOW = Event::time;
2517		3527
2518	# if we are delayed by four ticks or more, skip them all	3528	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3530
2521	$TICK_WATCHER->at ($NEXT_TICK);	3531	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3532	$TICK_WATCHER->start;
		3533
		3534	$LOAD = ($NOW - $tick_start) / $TICK;
		3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3536
		3537	_post_tick;
2523	},	3538	},
2524	);	3539	);
2525		3540
		3541	{
		3542	BDB::min_parallel 8;
		3543	BDB::max_poll_time $TICK * 0.1;
		3544	$BDB_POLL_WATCHER = Event->io (
		3545	reentrant => 0,
		3546	fd => BDB::poll_fileno,
		3547	poll => 'r',
		3548	prio => 0,
		3549	data => WF_AUTOCANCEL,
		3550	cb => \&BDB::poll_cb,
		3551	);
		3552
		3553	BDB::set_sync_prepare {
		3554	my $status;
		3555	my $current = $Coro::current;
		3556	(
		3557	sub {
		3558	$status = $!;
		3559	$current->ready; undef $current;
		3560	},
		3561	sub {
		3562	Coro::schedule while defined $current;
		3563	$! = $status;
		3564	},
		3565	)
		3566	};
		3567
		3568	unless ($DB_ENV) {
		3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3574
		3575	cf::sync_job {
		3576	eval {
		3577	BDB::db_env_open
		3578	$DB_ENV,
		3579	$BDBDIR,
		3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3582	0666;
		3583
		3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3585	};
		3586
		3587	cf::cleanup "db_env_open(db): $@" if $@;
		3588	};
		3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
		3621	}
		3622
		3623	{
		3624	IO::AIO::min_parallel 8;
		3625
		3626	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3627	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3629	reentrant => 0,
		3630	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3632	poll => 'r',
2533	prio => 6,	3633	prio => 0,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
2536	);	3635	);
		3636	}
2537		3637
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3638	my $_log_backtrace;
2539	reentrant => 0,	3639
2540	data => WF_AUTOCANCEL,	3640	sub _log_backtrace {
2541	after => 1,	3641	my ($msg, @addr) = @_;
2542	interval => 10,	3642
2543	prio => 6, # keep it lowest so it acts like a watchdog	3643	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3644
2545	write_runtime	3645	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3646	if ($_log_backtrace < 2) {
		3647	++$_log_backtrace;
		3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
		3651	my @bt = fork_call {
		3652	@addr = map { sprintf "%x", $_ } @addr;
		3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3655	or die "addr2line: $!";
		3656
		3657	my @funcs;
		3658	my @res = <$fh>;
		3659	chomp for @res;
		3660	while (@res) {
		3661	my ($func, $line) = splice @res, 0, 2, ();
		3662	push @funcs, "[$func] $line";
		3663	}
		3664
		3665	@funcs
		3666	};
		3667
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] $_\n" for @bt;
		3670	--$_log_backtrace;
		3671	};
		3672	} else {
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3675	}
2548	);	3676	}
		3677
		3678	# load additional modules
		3679	use cf::pod;
2549		3680
2550	END { cf::emergency_save }	3681	END { cf::emergency_save }
2551		3682
2552	1	3683	1
2553		3684

Diff Legend

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