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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.395 by root, Sat Nov 10 22:41:59 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
48	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
49	our @EVENT;	62	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		63
52	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(!)
53	our $TICK_WATCHER;	77	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	80	our $NEXT_TICK;
57	our $NOW;	81	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		83
60	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	88	our $DB_ENV;
62		89
63	our %CFG;	90	our %CFG;
64		91
65	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	93	our $RUNTIME;
67		94
68	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		98
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		105
80	binmode STDOUT;	106	binmode STDOUT;
81	binmode STDERR;	107	binmode STDERR;
82		108
83	# read virtual server time, if available	109	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
88	}	114	}
89		115
90	mkdir cf::localdir;	116	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		118
97	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
98		120
99	sub cf::map::normalise;	121	sub cf::map::normalise;
100		122
…		…
111	=item $cf::RUNTIME	133	=item $cf::RUNTIME
112		134
113	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
114	every server tick.	136	every server tick.
115		137
116	=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
117		141
118	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		146
121	=item $cf::NOW	147	=item $cf::NOW
122		148
123	The time of the last (current) server tick.	149	The time of the last (current) server tick.
124		150
125	=item $cf::TICK	151	=item $cf::TICK
126		152
127	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
128		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
129	=item %cf::CFG	165	=item %cf::CFG
130		166
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	168	from wherever your confdir points to.
133		169
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		171
136	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
137	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
138	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.
139	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.
140		181
141	=back	182	=back
142		183
143	=cut	184	=cut
144		185
145	BEGIN {	186	BEGIN {
146	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	188	my $msg = join "", @_;
148	utf8::encode $msg;
149		189
150	$msg .= "\n"	190	$msg .= "\n"
151	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
152		194
153	LOG llevError, $msg;	195	LOG llevError, $msg;
154	};	196	};
155	}	197	}
156		198
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		206
164	# 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
165	# within the Safe compartment.	208	# within the Safe compartment.
166	for my $pkg (qw(	209	for my $pkg (qw(
167	cf::global cf::attachable	210	cf::global cf::attachable
…		…
175	}	218	}
176		219
177	$Event::DIED = sub {	220	$Event::DIED = sub {
178	warn "error in event callback: @_";	221	warn "error in event callback: @_";
179	};	222	};
		223
		224	#############################################################################
180		225
181	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
182		227
183	=over 4	228	=over 4
184		229
…		…
203	$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;
204	$d	249	$d
205	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
206	}	251	}
207		252
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
211		254
212	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
213		256
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
224		260
225	=cut	261	=cut
226		262
227	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
229	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
230	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
231		267
232	=item cf::lock_wait $string	268	=item cf::lock_wait $string
233		269
234	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
235		271
…		…
238	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
239	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,
240	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
241	returned.	277	returned.
242		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
243	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
244	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
245		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
246	=cut	289	=cut
247		290
248	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
249		293
250	sub lock_wait($) {	294	sub lock_wait($) {
251	my ($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#
252		301
253	# wait for lock, if any	302	# wait for lock, if any
254	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	305	Coro::schedule;
…		…
262		311
263	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
264	lock_wait $key;	313	lock_wait $key;
265		314
266	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
267		317
268	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
271	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
272	}	329	}
273		330
274	sub freeze_mainloop {	331	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
276		333
…		…
279	};	336	};
280	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
281	$guard	338	$guard
282	}	339	}
283		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;
		397	}
		398
284	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
285		400
286	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
291		406
292	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
293		408
294	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
295		410
296	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Deliantra is only
298	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.
299		415
300	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
301	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
302	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
303	fast or be very important.	419	fast or be very important.
…		…
306		422
307	sub sync_job(&) {	423	sub sync_job(&) {
308	my ($job) = @_;	424	my ($job) = @_;
309		425
310	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
311	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
313		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
314	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	435	# (but this is cancel-safe)
316	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
317		437
318	my $busy = 1;	438	my $busy = 1;
319	my @res;	439	my @res;
320		440
321	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	443	@res = eval { $job->() };
323	warn $@ if $@;	444	warn $@ if $@;
324	undef $busy;	445	undef $busy;
325	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
326		447
327	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
328	Coro::cede or Event::one_event;	452	Event::one_event;
329	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
330		462
331	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
332	} else {	464	} else {
333	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
334		466
…		…
354	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
355		487
356	$coro	488	$coro
357	}	489	}
358		490
359	sub write_runtime {	491	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		492
362	my $runtime = cf::localdir . "/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
363		497
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
365	or return;
366		499
367	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		502
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
372	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
373		506
374	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	508	reset_signals;
376	and return;	509	&$cb
		510	}, @args;
377		511
378	close $fh	512	wantarray ? @res : $res[-1]
379	or return;	513	}
380		514
381	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
382	and return;
383		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
384	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	651	}
386		652
387	=back	653	=back
388		654
389	=cut	655	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
398		664
399	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	667	Deliantra).
402		668
403	=over 4	669	=over 4
404		670
405	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
406		672
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
570		836
571	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		841
576	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	843	my $pkg = shift @arg;
578		844
579	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
609	}	875	}
610		876
611	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
612	} else {	878	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	880	}
615		881
616	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
617	}	883	}
618		884
…		…
620	if (ref $_[0]) {	886	if (ref $_[0]) {
621	_object_attach @_;	887	_object_attach @_;
622	} else {	888	} else {
623	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
624	}	890	}
		891	_recalc_want;
625	};	892	};
626		893
627	# all those should be optimised	894	# all those should be optimised
628	sub cf::attachable::detach {	895	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
633	reattach ($obj);	900	reattach ($obj);
634	} else {	901	} else {
635	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
636	}	903	}
		904	_recalc_want;
637	};	905	};
638		906
639	sub cf::attachable::attached {	907	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
641		909
…		…
656	";	924	";
657	die if $@;	925	die if $@;
658	}	926	}
659		927
660	our $override;	928	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		930
663	sub override {	931	sub override {
664	$override = 1;	932	$override = 1;
665	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
666	}	934	}
667		935
668	sub do_invoke {	936	sub do_invoke {
669	my $event = shift;	937	my $event = shift;
670	my $callbacks = shift;	938	my $callbacks = shift;
671		939
672	@invoke_results = ();	940	@INVOKE_RESULTS = ();
673		941
674	local $override;	942	local $override;
675		943
676	for (@$callbacks) {	944	for (@$callbacks) {
677	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
694		962
695	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
696		964
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		968
701	=back	969	=back
702		970
703	=cut	971	=cut
704		972
705	#############################################################################	973	#############################################################################
706	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
707		1017
708	sub reattach {	1018	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1020	my ($obj) = @_;
711		1021
…		…
758	sub object_freezer_save {	1068	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
760		1070
761	sync_job {	1071	sync_job {
762	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
765		1076
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1081	close $fh;
771		1082
772	if (@$objs) {	1083	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1089	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
780	}	1091	}
…		…
788	}	1099	}
789	} else {	1100	} else {
790	aio_unlink $filename;	1101	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
792	}	1103	}
793	}	1104	};
794	}	1105	}
795		1106
796	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
798		1109
…		…
810	or return;	1121	or return;
811		1122
812	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
814	or return;	1125	or return;
		1126
815	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
816	}	1129	}
817		1130
		1131	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
820	return ($data, $av);	1135	($data, $av)
821	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
822		1143
823	#############################################################################	1144	#############################################################################
824	# command handling &c	1145	# command handling &c
825		1146
826	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1161	}
841		1162
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1164
844	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
845		1170
846	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
847	called.	1172	called.
848		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
849	=cut	1185	=cut
850		1186
851	sub register_extcmd {	1187	sub register_extcmd {
852	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
853		1189
854	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
855	}	1197	}
856		1198
857	cf::player->attach (	1199	cf::player->attach (
858	on_command => sub {	1200	on_command => sub {
859	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1210	cf::override;
869	},	1211	},
870	on_extcmd => sub {	1212	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
872		1214
873	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1216
875	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
881	} else {	1232	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1234	}
884		1235
885	cf::override;	1236	cf::override;
886	},	1237	},
887	);	1238	);
888		1239
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
924	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1245	next unless -r $path;
926	eval {	1246
927	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
928	1	1304	}
929	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
930	}	1310	};
931	}	1311	}
932		1312
933	#############################################################################	1313	#############################################################################
934		1314
		1315	=back
		1316
935	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
936		1318
937	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
938		1320
939	=cut	1321	=cut
…		…
944		1326
945	=head3 cf::player	1327	=head3 cf::player
946		1328
947	=over 4	1329	=over 4
948		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
949	=item cf::player::find $login	1345	=item cf::player::find $login
950		1346
951	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
952		1348
953	=cut	1349	=cut
954		1350
955	sub playerdir($) {	1351	sub playerdir($) {
956	cf::localdir	1352	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1354	}
962		1355
963	sub path($) {	1356	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1358
966	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
967	}	1360	}
968		1361
969	sub find_active($) {	1362	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1377	my $login = $_[0];
985		1378
986	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
987		1380
988	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
990	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
992	}	1397	}
993	}	1398	}
994	}	1399	}
995		1400
…		…
1005		1410
1006	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1008		1413
1009	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1010	Coro::cede;	1415	cf::cede_to_tick;
1011	}	1416	}
1012		1417
1013	sub new($) {	1418	sub new($) {
1014	my ($login) = @_;	1419	my ($login) = @_;
1015		1420
…		…
1019	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1020		1425
1021	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1022		1427
1023	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1024	}	1439	}
1025		1440
1026	=item $pl->quit_character	1441	=item $pl->quit_character
1027		1442
1028	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1078		1493
1079	=cut	1494	=cut
1080		1495
1081	sub list_logins {	1496	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1498	or return [];
1084		1499
1085	my @logins;	1500	my @logins;
1086		1501
1087	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1091		1511
1092	utf8::decode $login;	1512	utf8::decode $login;
1093	push @logins, $login;	1513	push @logins, $login;
1094	}	1514	}
1095		1515
…		…
1122	}	1542	}
1123		1543
1124	\@paths	1544	\@paths
1125	}	1545	}
1126		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	# match a pod interior sequence sans C<< >>
		1558	(?:
		1559	\ (.*?)\ (?{ $group = $^N })
		1560	| < (??{$interior}) >
		1561	)
		1562	}x;
		1563
		1564	sub expand_cfpod {
		1565	my ($self, $pod) = @_;
		1566
		1567	my $xml;
		1568
		1569	while () {
		1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1571	$group = $1;
		1572
		1573	$group =~ s/&/&amp;/g;
		1574	$group =~ s/</&lt;/g;
		1575
		1576	$xml .= $group;
		1577	} elsif ($pod =~ m%\G
		1578	([BCGHITU])
		1579	<
		1580	(?:
		1581	([^<>]*) (?{ $group = $^N })
		1582	| < $interior >
		1583	)
		1584	>
		1585	%gcsx
		1586	) {
		1587	my ($code, $data) = ($1, $group);
		1588
		1589	if ($code eq "B") {
		1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1591	} elsif ($code eq "I") {
		1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1593	} elsif ($code eq "U") {
		1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1595	} elsif ($code eq "C") {
		1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1597	} elsif ($code eq "T") {
		1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1599	} elsif ($code eq "G") {
		1600	my ($male, $female) = split /\|/, $data;
		1601	$data = $self->gender ? $female : $male;
		1602	$xml .= expand_cfpod ($self, $data);
		1603	} elsif ($code eq "H") {
		1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1606	"")
		1607	[$self->{hintmode}];
		1608	} else {
		1609	$xml .= "error processing '$code($data)' directive";
		1610	}
		1611	} else {
		1612	if ($pod =~ /\G(.+)/) {
		1613	warn "parse error while expanding $pod (at $1)";
		1614	}
		1615	last;
		1616	}
		1617	}
		1618
		1619	for ($xml) {
		1620	# create single paragraphs (very hackish)
		1621	s/(?<=\S)\n(?=\w)/ /g;
		1622
		1623	# compress some whitespace
		1624	s/\s+\n/\n/g; # ws line-ends
		1625	s/\n\n+/\n/g; # double lines
		1626	s/^\n+//; # beginning lines
		1627	s/\n+$//; # ending lines
		1628	}
		1629
		1630	$xml
		1631	}
		1632
		1633	no re 'eval';
		1634
		1635	sub hintmode {
		1636	$_[0]{hintmode} = $_[1] if @_ > 1;
		1637	$_[0]{hintmode}
		1638	}
		1639
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1640	=item $player->ext_reply ($msgid, @msg)
1128		1641
1129	Sends an ext reply to the player.	1642	Sends an ext reply to the player.
1130		1643
1131	=cut	1644	=cut
1132		1645
1133	sub ext_reply($$$%) {	1646	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1647	my ($self, $id, @msg) = @_;
1135		1648
1136	$msg{msgid} = $id;	1649	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1650	}
1140		1651
1141	package cf;	1652	=item $player->ext_msg ($type, @msg)
		1653
		1654	Sends an ext event to the client.
		1655
		1656	=cut
		1657
		1658	sub ext_msg($$@) {
		1659	my ($self, $type, @msg) = @_;
		1660
		1661	$self->ns->ext_msg ($type, @msg);
		1662	}
		1663
		1664	=head3 cf::region
		1665
		1666	=over 4
		1667
		1668	=cut
		1669
		1670	package cf::region;
		1671
		1672	=item cf::region::find_by_path $path
		1673
		1674	Tries to decuce the likely region for a map knowing only its path.
		1675
		1676	=cut
		1677
		1678	sub find_by_path($) {
		1679	my ($path) = @_;
		1680
		1681	my ($match, $specificity);
		1682
		1683	for my $region (list) {
		1684	if ($region->{match} && $path =~ $region->{match}) {
		1685	($match, $specificity) = ($region, $region->specificity)
		1686	if $region->specificity > $specificity;
		1687	}
		1688	}
		1689
		1690	$match
		1691	}
1142		1692
1143	=back	1693	=back
1144
1145		1694
1146	=head3 cf::map	1695	=head3 cf::map
1147		1696
1148	=over 4	1697	=over 4
1149		1698
…		…
1204	my ($self, $merge) = @_;	1753	my ($self, $merge) = @_;
1205		1754
1206	# we have to keep some variables in memory intact	1755	# we have to keep some variables in memory intact
1207	local $self->{path};	1756	local $self->{path};
1208	local $self->{load_path};	1757	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1758
1212	$self->SUPER::thawer_merge ($merge);	1759	$self->SUPER::thawer_merge ($merge);
1213	}	1760	}
1214		1761
1215	sub normalise {	1762	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1809	$self->init; # pass $1 etc.
1263	return $self;	1810	return $self;
1264	}	1811	}
1265	}	1812	}
1266		1813
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1814	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1815	()
1269	}	1816	}
1270		1817
1271	sub init {	1818	sub init {
1272	my ($self) = @_;	1819	my ($self) = @_;
…		…
1287		1834
1288	# the original (read-only) location	1835	# the original (read-only) location
1289	sub load_path {	1836	sub load_path {
1290	my ($self) = @_;	1837	my ($self) = @_;
1291		1838
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1839	"$MAPDIR/$self->{path}.map"
1293	}	1840	}
1294		1841
1295	# the temporary/swap location	1842	# the temporary/swap location
1296	sub save_path {	1843	sub save_path {
1297	my ($self) = @_;	1844	my ($self) = @_;
1298		1845
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1847	"$TMPDIR/$path.map"
1301	}	1848	}
1302		1849
1303	# the unique path, undef == no special unique path	1850	# the unique path, undef == no special unique path
1304	sub uniq_path {	1851	sub uniq_path {
1305	my ($self) = @_;	1852	my ($self) = @_;
1306		1853
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1855	"$UNIQUEDIR/$path"
1309	}	1856	}
1310		1857
1311	# and all this just because we cannot iterate over	1858	# and all this just because we cannot iterate over
1312	# all maps in C++...	1859	# all maps in C++...
1313	sub change_all_map_light {	1860	sub change_all_map_light {
…		…
1315		1862
1316	$_->change_map_light ($change)	1863	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1864	for grep $_->outdoor, values %cf::MAP;
1318	}	1865	}
1319		1866
		1867	sub decay_objects {
		1868	my ($self) = @_;
		1869
		1870	return if $self->{deny_reset};
		1871
		1872	$self->do_decay_objects;
		1873	}
		1874
1320	sub unlink_save {	1875	sub unlink_save {
1321	my ($self) = @_;	1876	my ($self) = @_;
1322		1877
1323	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1882
1328	sub load_header_from($) {	1883	sub load_header_from($) {
1329	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1330		1885
1331	utf8::encode $path;	1886	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1337		1895
1338	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1339		1897
1340	1	1898	1
1341	}	1899	}
…		…
1380	$self->load_header_orig	1938	$self->load_header_orig
1381	or return;	1939	or return;
1382	$self->prepare_orig;	1940	$self->prepare_orig;
1383	}	1941	}
1384		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
1385	1	1949	1
1386	}	1950	}
1387		1951
1388	sub find;	1952	sub find;
1389	sub find {	1953	sub find {
1390	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1391		1955
1392	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1393		1957
		1958	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1959	cf::lock_wait "map_find:$path";
1395		1960
1396	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	1962	my $guard1 = cf::lock_acquire "map_find:$path";
		1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1964
1398	my $map = new_from_path cf::map $path	1965	my $map = new_from_path cf::map $path
1399	or return;	1966	or return;
1400		1967
1401	$map->{last_save} = $cf::RUNTIME;	1968	$map->{last_save} = $cf::RUNTIME;
1402		1969
1403	$map->load_header	1970	$map->load_header
1404	or return;	1971	or return;
1405		1972
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1974	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1975	#$cf::WAIT_FOR_TICK->wait;
		1976	undef $guard1;
		1977	undef $guard2;
1409	$map->reset;	1978	$map->reset;
1410	undef $guard;
1411	return find $path;	1979	return find $path;
1412	}	1980	}
1413		1981
1414	$cf::MAP{$path} = $map	1982	$cf::MAP{$path} = $map
1415	}	1983	}
…		…
1422	my ($self) = @_;	1990	my ($self) = @_;
1423		1991
1424	local $self->{deny_reset} = 1; # loading can take a long time	1992	local $self->{deny_reset} = 1; # loading can take a long time
1425		1993
1426	my $path = $self->{path};	1994	my $path = $self->{path};
		1995
		1996	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1997	my $guard = cf::lock_acquire "map_data:$path";
1428		1998
		1999	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2000	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2001
1431	$self->in_memory (cf::MAP_LOADING);	2002	$self->in_memory (cf::MAP_LOADING);
1432		2003
1433	$self->alloc;	2004	$self->alloc;
1434		2005
1435	$self->pre_load;	2006	$self->pre_load;
		2007	cf::cede_to_tick;
1436		2008
1437	$self->_load_objects ($self->{load_path}, 1)	2009	my $f = new_from_file cf::object::thawer $self->{load_path};
		2010	$f->skip_block;
		2011	$self->_load_objects ($f)
1438	or return;	2012	or return;
1439		2013
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	2015	if delete $self->{load_original};
1442		2016
1443	if (my $uniq = $self->uniq_path) {	2017	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2018	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2019	unless (aio_stat $uniq) {
		2020	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2021	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2022	$self->_load_objects ($f);
		2023	$f->resolve_delayed_derefs;
		2024	}
1448	}	2025	}
1449	}	2026	}
1450		2027
1451	Coro::cede;	2028	$f->resolve_delayed_derefs;
1452		2029
		2030	cf::cede_to_tick;
1453	# now do the right thing for maps	2031	# now do the right thing for maps
1454	$self->link_multipart_objects;	2032	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2033	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2034	unless $self->difficulty;
1464	Coro::cede;	2035	cf::cede_to_tick;
		2036
		2037	unless ($self->{deny_activate}) {
		2038	$self->decay_objects;
		2039	$self->fix_auto_apply;
		2040	$self->update_buttons;
		2041	cf::cede_to_tick;
		2042	$self->set_darkness_map;
		2043	cf::cede_to_tick;
1465	$self->activate;	2044	$self->activate;
		2045	}
		2046
		2047	$self->{last_save} = $cf::RUNTIME;
		2048	$self->last_access ($cf::RUNTIME);
		2049
		2050	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	2051	}
1467		2052
1468	$self->post_load;	2053	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2054	}
1472		2055
1473	sub customise_for {	2056	sub customise_for {
1474	my ($self, $ob) = @_;	2057	my ($self, $ob) = @_;
1475		2058
1476	return find "~" . $ob->name . "/" . $self->{path}	2059	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2060	if $self->per_player;
1478		2061
		2062	# return find "?party/" . $ob->name . "/" . $self->{path}
		2063	# if $self->per_party;
		2064
1479	$self	2065	$self
1480	}	2066	}
1481		2067
1482	# find and load all maps in the 3x3 area around a map	2068	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2069	sub load_neighbours {
1484	my ($map) = @_;	2070	my ($map) = @_;
1485		2071
1486	my @diag; # diagonal neighbours	2072	my @neigh; # diagonal neighbours
1487		2073
1488	for (0 .. 3) {	2074	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2075	my $neigh = $map->tile_path ($_)
1490	or next;	2076	or next;
1491	$neigh = find $neigh, $map	2077	$neigh = find $neigh, $map
1492	or next;	2078	or next;
1493	$neigh->load;	2079	$neigh->load;
1494		2080
		2081	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2084	}
1498		2085
1499	for (@diag) {	2086	for (grep defined $_->[0], @neigh) {
		2087	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2088	my $neigh = find $path, $origin
1501	or next;	2089	or next;
1502	$neigh->load;	2090	$neigh->load;
1503	}	2091	}
1504	}	2092	}
1505		2093
…		…
1510	}	2098	}
1511		2099
1512	sub do_load_sync {	2100	sub do_load_sync {
1513	my ($map) = @_;	2101	my ($map) = @_;
1514		2102
		2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2104	if $Coro::current == $Coro::main;
		2105
1515	cf::sync_job { $map->load };	2106	cf::sync_job { $map->load };
1516	}	2107	}
1517		2108
1518	our %MAP_PREFETCH;	2109	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2110	our $MAP_PREFETCHER = undef;
1520		2111
1521	sub find_async {	2112	sub find_async {
1522	my ($path, $origin) = @_;	2113	my ($path, $origin, $load) = @_;
1523		2114
1524	$path = normalise $path, $origin && $origin->{path};	2115	$path = normalise $path, $origin && $origin->{path};
1525		2116
1526	if (my $map = $cf::MAP{$path}) {	2117	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2119	}
1529		2120
1530	undef $MAP_PREFETCH{$path};	2121	$MAP_PREFETCH{$path} |= $load;
		2122
1531	$MAP_PREFETCHER ||= cf::async {	2123	$MAP_PREFETCHER ||= cf::async {
		2124	$Coro::current->{desc} = "map prefetcher";
		2125
1532	while (%MAP_PREFETCH) {	2126	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2127	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2128	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2129	$map->load if $v;
		2130	}
1537		2131
1538	delete $MAP_PREFETCH{$path};	2132	delete $MAP_PREFETCH{$k};
1539	}	2133	}
1540	}	2134	}
1541	undef $MAP_PREFETCHER;	2135	undef $MAP_PREFETCHER;
1542	};	2136	};
1543	$MAP_PREFETCHER->prio (6);	2137	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2140	}
1547		2141
1548	sub save {	2142	sub save {
1549	my ($self) = @_;	2143	my ($self) = @_;
1550		2144
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2146
1553	$self->{last_save} = $cf::RUNTIME;	2147	$self->{last_save} = $cf::RUNTIME;
1554		2148
1555	return unless $self->dirty;	2149	return unless $self->dirty;
1556		2150
…		…
1562	return if $self->{deny_save};	2156	return if $self->{deny_save};
1563		2157
1564	local $self->{last_access} = $self->last_access;#d#	2158	local $self->{last_access} = $self->last_access;#d#
1565		2159
1566	cf::async {	2160	cf::async {
		2161	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2162	$_->contr->save for $self->players;
1568	};	2163	};
1569		2164
1570	if ($uniq) {	2165	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1579	my ($self) = @_;	2174	my ($self) = @_;
1580		2175
1581	# save first because save cedes	2176	# save first because save cedes
1582	$self->save;	2177	$self->save;
1583		2178
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2180
1586	return if $self->players;	2181	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2183	return if $self->{deny_save};
1589		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2189	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2190	}
1593		2191
1594	sub reset_at {	2192	sub reset_at {
1595	my ($self) = @_;	2193	my ($self) = @_;
1596		2194
1597	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1600		2197
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2200
…		…
1614	my ($self) = @_;	2211	my ($self) = @_;
1615		2212
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2214
1618	return if $self->players;	2215	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2216
1621	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
1622		2218
1623	$self->in_memory (cf::MAP_SWAPPED);	2219	$self->in_memory (cf::MAP_SWAPPED);
1624		2220
1625	# need to save uniques path	2221	# need to save uniques path
1626	unless ($self->{deny_save}) {	2222	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2226	if $uniq;
1631	}	2227	}
1632		2228
1633	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1634		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2233	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2234
1639	$self->unlink_save;	2235	$self->unlink_save;
1640	$self->destroy;	2236	$self->destroy;
1641	}	2237	}
1642		2238
1643	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1644		2240
1645	sub nuke {	2241	sub nuke {
1646	my ($self) = @_;	2242	my ($self) = @_;
1647		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1648	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1649		2248
1650	$self->unlink_save;	2249	$self->unlink_save;
1651		2250
1652	bless $self, "cf::map";	2251	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2256
1658	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1659		2259
1660	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1661	}	2297	}
1662		2298
1663	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1664		2300
1665	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2302	instantiated unique items. May block.
1667		2303
1668	=cut	2304	=cut
1669		2305
1670	sub unique_maps() {	2306	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1672	or return;	2308	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2309	utf8::decode $_;
1678	next if /\.pst$/;	2310	/\.map$/
1679	next unless /^$PATH_SEP/o;	2311	? normalise $_
1680		2312	: ()
1681	push @paths, cf::map::normalise $_;	2313	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2314	]
1683
1684	\@paths
1685	}	2315	}
1686		2316
1687	package cf;	2317	package cf;
1688		2318
1689	=back	2319	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2337	map { $_, inv_recursive_ $_->inv } @_
1708	}	2338	}
1709		2339
1710	sub inv_recursive {	2340	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
		2342	}
		2343
		2344	=item $ref = $ob->ref
		2345
		2346	creates and returns a persistent reference to an objetc that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
1712	}	2370	}
1713		2371
1714	package cf;	2372	package cf;
1715		2373
1716	=back	2374	=back
…		…
1735		2393
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2394	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2395
1738	if ($self->{record_replies}) {	2396	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2397	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2398
1740	} else {	2399	} else {
		2400	my $pl = $self->contr;
		2401
		2402	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2403	my $dialog = $pl->{npc_dialog};
		2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2405
		2406	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2407	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2408	$self->message ($msg, $flags);
		2409	}
1743	}	2410	}
		2411	}
		2412
		2413	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2414
		2415	=cut
		2416
		2417	sub cf::object::send_msg {
		2418	my $pl = shift->contr
		2419	or return;
		2420	$pl->send_msg (@_);
1744	}	2421	}
1745		2422
1746	=item $player_object->may ("access")	2423	=item $player_object->may ("access")
1747		2424
1748	Returns wether the given player is authorized to access resource "access"	2425	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2472	$self->deactivate_recursive;
1796		2473
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2474	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2475
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2477	if $self->map && $self->map->{path} ne "{link}";
1801		2478
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2480	}
1804		2481
1805	sub cf::object::player::leave_link {	2482	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2483	my ($self, $map, $x, $y) = @_;
		2484
		2485	return unless $self->contr->active;
1807		2486
1808	my $link_pos = delete $self->{_link_pos};	2487	my $link_pos = delete $self->{_link_pos};
1809		2488
1810	unless ($map) {	2489	unless ($map) {
1811	# restore original map position	2490	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2504	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2505	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2506	if $x <=0 && $y <= 0;
1828		2507
1829	$map->load;	2508	$map->load;
1830	$map->load_diag;	2509	$map->load_neighbours;
1831		2510
1832	return unless $self->contr->active;	2511	return unless $self->contr->active;
1833	$self->activate_recursive;	2512	$self->activate_recursive;
1834		2513
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2515	$self->enter_map ($map, $x, $y);
1837	}	2516	}
1838		2517
1839	cf::player->attach (	2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2519
1843	# abort map switching before logout	2520	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2521	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2522	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2523	the new (success) or old (failed) map position. In either case, $done will
1847	};	2524	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2525
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2526	=cut
		2527
		2528	our $GOTOGEN;
1874		2529
1875	sub cf::object::player::goto {	2530	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2531	my ($self, $path, $x, $y, $check, $done) = @_;
		2532
		2533	# do generation counting so two concurrent goto's will be executed in-order
		2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2535
1878	$self->enter_link;	2536	$self->enter_link;
1879		2537
1880	(async {	2538	(async {
		2539	$Coro::current->{desc} = "player::goto $path $x $y";
		2540
		2541	# *tag paths override both path and x|y
		2542	if ($path =~ /^\*(.*)$/) {
		2543	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2544	my $ob = $obs[rand @obs];
		2545
		2546	# see if we actually can go there
		2547	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2548	$ob = $obs[rand @obs];
		2549	} else {
		2550	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2551	}
		2552	# else put us there anyways for now #d#
		2553
		2554	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2555	} else {
		2556	($path, $x, $y) = (undef, undef, undef);
		2557	}
		2558	}
		2559
1881	my $map = eval {	2560	my $map = eval {
1882	my $map = cf::map::find $path;	2561	my $map = defined $path ? cf::map::find $path : undef;
		2562
		2563	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2564	$map = $map->customise_for ($self);
		2565	$map = $check->($map) if $check && $map;
		2566	} else {
		2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569
1884	$map	2570	$map
		2571	};
		2572
		2573	if ($@) {
		2574	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2575	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2576	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2577
		2578	if ($gen == $self->{_goto_generation}) {
		2579	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2580	$self->leave_link ($map, $x, $y);
		2581	}
		2582
		2583	$done->() if $done;
1889	})->prio (1);	2584	})->prio (1);
1890	}	2585	}
1891		2586
1892	=item $player_object->enter_exit ($exit_object)	2587	=item $player_object->enter_exit ($exit_object)
1893		2588
…		…
1932		2627
1933	$rmp->{random_seed} ||= $exit->random_seed;	2628	$rmp->{random_seed} ||= $exit->random_seed;
1934		2629
1935	my $data = cf::to_json $rmp;	2630	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2631	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2632	my $meta = "$RANDOMDIR/$md5.meta";
1938		2633
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2635	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2636	undef $fh;
1942	aio_rename "$meta~", $meta;	2637	aio_rename "$meta~", $meta;
…		…
1951		2646
1952	return unless $self->type == cf::PLAYER;	2647	return unless $self->type == cf::PLAYER;
1953		2648
1954	if ($exit->slaying eq "/!") {	2649	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2651	# the problem is that $exit might not survive long enough
		2652	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2653	cf::sync_job { prepare_random_map $exit };
1957	}	2654	}
1958		2655
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2657	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2658	my $sp = $exit->stats->sp;
1962		2659
1963	$self->enter_link;	2660	$self->enter_link;
1964		2661
		2662	# if exit is damned, update players death & WoR home-position
		2663	$self->contr->savebed ($slaying, $hp, $sp)
		2664	if $exit->flag (FLAG_DAMNED);
		2665
1965	(async {	2666	(async {
		2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2668
1966	$self->deactivate_recursive; # just to be sure	2669	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2670	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2671	$self->goto ($slaying, $hp, $sp);
1969		2672
1970	1;	2673	1;
1971	}) {	2674	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2675	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2676	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2677	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2678	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2679
1977	warn "ERROR in enter_exit: $@";	2680	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2681	$self->leave_link;
1979	}	2682	}
1980	})->prio (1);	2683	})->prio (1);
…		…
1993		2696
1994	sub cf::client::send_drawinfo {	2697	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2698	my ($self, $text, $flags) = @_;
1996		2699
1997	utf8::encode $text;	2700	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2702	}
2000		2703
		2704	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2705
		2706	Send a drawinfo or msg packet to the client, formatting the msg for the
		2707	client if neccessary. C<$type> should be a string identifying the type of
		2708	the message, with C<log> being the default. If C<$color> is negative, suppress
		2709	the message unless the client supports the msg packet.
		2710
		2711	=cut
		2712
		2713	# non-persistent channels (usually the info channel)
		2714	our %CHANNEL = (
		2715	"c/identify" => {
		2716	id => "infobox",
		2717	title => "Identify",
		2718	reply => undef,
		2719	tooltip => "Items recently identified",
		2720	},
		2721	"c/examine" => {
		2722	id => "infobox",
		2723	title => "Examine",
		2724	reply => undef,
		2725	tooltip => "Signs and other items you examined",
		2726	},
		2727	"c/book" => {
		2728	id => "infobox",
		2729	title => "Book",
		2730	reply => undef,
		2731	tooltip => "The contents of a note or book",
		2732	},
		2733	"c/lookat" => {
		2734	id => "infobox",
		2735	title => "Look",
		2736	reply => undef,
		2737	tooltip => "What you saw there",
		2738	},
		2739	"c/who" => {
		2740	id => "infobox",
		2741	title => "Players",
		2742	reply => undef,
		2743	tooltip => "Shows players who are currently online",
		2744	},
		2745	"c/body" => {
		2746	id => "infobox",
		2747	title => "Body Parts",
		2748	reply => undef,
		2749	tooltip => "Shows which body parts you posess and are available",
		2750	},
		2751	"c/uptime" => {
		2752	id => "infobox",
		2753	title => "Uptime",
		2754	reply => undef,
		2755	tooltip => "How long the server has been running since last restart",
		2756	},
		2757	"c/mapinfo" => {
		2758	id => "infobox",
		2759	title => "Map Info",
		2760	reply => undef,
		2761	tooltip => "Information related to the maps",
		2762	},
		2763	);
		2764
		2765	sub cf::client::send_msg {
		2766	my ($self, $channel, $msg, $color, @extra) = @_;
		2767
		2768	$msg = $self->pl->expand_cfpod ($msg);
		2769
		2770	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2771
		2772	# check predefined channels, for the benefit of C
		2773	if ($CHANNEL{$channel}) {
		2774	$channel = $CHANNEL{$channel};
		2775
		2776	$self->ext_msg (channel_info => $channel)
		2777	if $self->can_msg;
		2778
		2779	$channel = $channel->{id};
		2780
		2781	} elsif (ref $channel) {
		2782	# send meta info to client, if not yet sent
		2783	unless (exists $self->{channel}{$channel->{id}}) {
		2784	$self->{channel}{$channel->{id}} = $channel;
		2785	$self->ext_msg (channel_info => $channel)
		2786	if $self->can_msg;
		2787	}
		2788
		2789	$channel = $channel->{id};
		2790	}
		2791
		2792	return unless @extra || length $msg;
		2793
		2794	if ($self->can_msg) {
		2795	# default colour, mask it out
		2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2797	if $color & cf::NDI_DEF;
		2798
		2799	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2801	} else {
		2802	if ($color >= 0) {
		2803	# replace some tags by gcfclient-compatible ones
		2804	for ($msg) {
		2805	1 while
		2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2811	}
		2812
		2813	$color &= cf::NDI_COLOR_MASK;
		2814
		2815	utf8::encode $msg;
		2816
		2817	if (0 && $msg =~ /\[/) {
		2818	# COMMAND/INFO
		2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2820	} else {
		2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2822	$self->send_packet ("drawinfo $color $msg")
		2823	}
		2824	}
		2825	}
		2826	}
		2827
		2828	=item $client->ext_msg ($type, @msg)
		2829
		2830	Sends an ext event to the client.
		2831
		2832	=cut
		2833
		2834	sub cf::client::ext_msg($$@) {
		2835	my ($self, $type, @msg) = @_;
		2836
		2837	if ($self->extcmd == 2) {
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2839	} elsif ($self->extcmd == 1) { # TODO: remove
		2840	push @msg, msgtype => "event_$type";
		2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2842	}
		2843	}
		2844
		2845	=item $client->ext_reply ($msgid, @msg)
		2846
		2847	Sends an ext reply to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_reply($$@) {
		2852	my ($self, $id, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2856	} elsif ($self->extcmd == 1) {
		2857	#TODO: version 1, remove
		2858	unshift @msg, msgtype => "reply", msgid => $id;
		2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2860	}
		2861	}
2001		2862
2002	=item $success = $client->query ($flags, "text", \&cb)	2863	=item $success = $client->query ($flags, "text", \&cb)
2003		2864
2004	Queues a query to the client, calling the given callback with	2865	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2866	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2867	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2868
2008	Queries can fail, so check the return code. Or don't, as queries will become	2869	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2870	become reliable at some point in the future.
2010		2871
2011	=cut	2872	=cut
2012		2873
2013	sub cf::client::query {	2874	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2875	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2883	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2884	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2885
2025	$self->send_packet ($self->{query_queue}[0][0])	2886	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2887	if @{ $self->{query_queue} } == 1;
		2888
		2889	1
2027	}	2890	}
2028		2891
2029	cf::client->attach (	2892	cf::client->attach (
		2893	on_connect => sub {
		2894	my ($ns) = @_;
		2895
		2896	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2897	},
2030	on_reply => sub {	2898	on_reply => sub {
2031	my ($ns, $msg) = @_;	2899	my ($ns, $msg) = @_;
2032		2900
2033	# this weird shuffling is so that direct followup queries	2901	# this weird shuffling is so that direct followup queries
2034	# get handled first	2902	# get handled first
…		…
2046	} else {	2914	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2915	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2916	}
2049	}	2917	}
2050	},	2918	},
		2919	on_exticmd => sub {
		2920	my ($ns, $buf) = @_;
		2921
		2922	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2923
		2924	if (ref $msg) {
		2925	my ($type, $reply, @payload) =
		2926	"ARRAY" eq ref $msg
		2927	? @$msg
		2928	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2929
		2930	my @reply;
		2931
		2932	if (my $cb = $EXTICMD{$type}) {
		2933	@reply = $cb->($ns, @payload);
		2934	}
		2935
		2936	$ns->ext_reply ($reply, @reply)
		2937	if $reply;
		2938
		2939	} else {
		2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2941	}
		2942
		2943	cf::override;
		2944	},
2051	);	2945	);
2052		2946
2053	=item $client->async (\&cb)	2947	=item $client->async (\&cb)
2054		2948
2055	Create a new coroutine, running the specified callback. The coroutine will	2949	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	2990	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	2991	our $safe_hole = new Safe::Hole;
2098		2992
2099	$SIG{FPE} = 'IGNORE';	2993	$SIG{FPE} = 'IGNORE';
2100		2994
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2995	$safe->permit_only (Opcode::opset qw(
		2996	:base_core :base_mem :base_orig :base_math
		2997	grepstart grepwhile mapstart mapwhile
		2998	sort time
		2999	));
2102		3000
2103	# here we export the classes and methods available to script code	3001	# here we export the classes and methods available to script code
2104		3002
2105	=pod	3003	=pod
2106		3004
2107	The following fucntions and emthods are available within a safe environment:	3005	The following functions and methods are available within a safe environment:
2108		3006
2109	cf::object contr pay_amount pay_player map	3007	cf::object
		3008	contr pay_amount pay_player map x y force_find force_add destroy
		3009	insert remove name archname title slaying race decrease_ob_nr
		3010
2110	cf::object::player player	3011	cf::object::player
2111	cf::player peaceful	3012	player
2112	cf::map trigger	3013
		3014	cf::player
		3015	peaceful
		3016
		3017	cf::map
		3018	trigger
2113		3019
2114	=cut	3020	=cut
2115		3021
2116	for (	3022	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3024	insert remove inv name archname title slaying race
		3025	decrease_ob_nr destroy)],
2118	["cf::object::player" => qw(player)],	3026	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3027	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3028	["cf::map" => qw(trigger)],
2121	) {	3029	) {
2122	no strict 'refs';	3030	no strict 'refs';
…		…
2193	=back	3101	=back
2194		3102
2195	=cut	3103	=cut
2196		3104
2197	#############################################################################	3105	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3106	# the server's init and main functions
2271		3107
2272	sub load_faces {	3108	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3109	my ($path) = @_;
2274		3110
		3111	# HACK to clear player env face cache, we need some signal framework
		3112	# for this (global event?)
		3113	%ext::player_env::MUSIC_FACE_CACHE = ();
		3114
		3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3116
2275	warn "loading faces from $path\n";	3117	warn "loading facedata from $path\n";
2276		3118
2277	my $faces;	3119	my $facedata;
2278	0 < aio_load $path, $faces	3120	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3121	or die "$path: $!";
2280		3122
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3123	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3124
		3125	$facedata->{version} == 2
		3126	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3127
		3128	# patch in the exptable
		3129	$facedata->{resource}{"res/exp_table"} = {
		3130	type => FT_RSRC,
		3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3132	};
		3133	cf::cede_to_tick;
		3134
		3135	{
		3136	my $faces = $facedata->{faceinfo};
		3137
2285	while (my ($face, $info) = each %$faces) {	3138	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3140	cf::face::set_visibility $idx, $info->{visibility};
		3141	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3144
		3145	cf::cede_to_tick;
		3146	}
		3147
		3148	while (my ($face, $info) = each %$faces) {
		3149	next unless $info->{smooth};
		3150	my $idx = cf::face::find $face
		3151	or next;
		3152	if (my $smooth = cf::face::find $info->{smooth}) {
		3153	cf::face::set_smooth $idx, $smooth;
		3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3155	} else {
		3156	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3157	}
		3158
		3159	cf::cede_to_tick;
		3160	}
		3161	}
		3162
		3163	{
		3164	my $anims = $facedata->{animinfo};
		3165
		3166	while (my ($anim, $info) = each %$anims) {
		3167	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3168	cf::cede_to_tick;
		3169	}
		3170
		3171	cf::anim::invalidate_all; # d'oh
		3172	}
		3173
		3174	{
		3175	# TODO: for gcfclient pleasure, we should give resources
		3176	# that gcfclient doesn't grok a >10000 face index.
		3177	my $res = $facedata->{resource};
		3178
		3179	my $soundconf = delete $res->{"res/sound.conf"};
		3180
		3181	while (my ($name, $info) = each %$res) {
		3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3183	my $data;
		3184
		3185	if ($info->{type} & 1) {
		3186	# prepend meta info
		3187
		3188	my $meta = $enc->encode ({
		3189	name => $name,
		3190	%{ $info->{meta} || {} },
		3191	});
		3192
		3193	$data = pack "(w/a*)*", $meta, $info->{data};
		3194	} else {
		3195	$data = $info->{data};
		3196	}
		3197
		3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3199	cf::face::set_type $idx, $info->{type};
		3200
		3201	cf::cede_to_tick;
		3202	}
		3203
		3204	if ($soundconf) {
		3205	$soundconf = $enc->decode (delete $soundconf->{data});
		3206
		3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3208	my $sound = $soundconf->{compat}[$_]
		3209	or next;
		3210
		3211	my $face = cf::face::find "sound/$sound->[1]";
		3212	cf::sound::set $sound->[0] => $face;
		3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3214	}
		3215
		3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3217	my $face = cf::face::find "sound/$v";
		3218	cf::sound::set $k => $face;
		3219	}
		3220	}
2290	}	3221	}
2291		3222
2292	1	3223	1
2293	}	3224	}
2294		3225
		3226	register_exticmd fx_want => sub {
		3227	my ($ns, $want) = @_;
		3228
		3229	while (my ($k, $v) = each %$want) {
		3230	$ns->fx_want ($k, $v);
		3231	}
		3232	};
		3233
		3234	sub reload_regions {
		3235	# HACK to clear player env face cache, we need some signal framework
		3236	# for this (global event?)
		3237	%ext::player_env::MUSIC_FACE_CACHE = ();
		3238
		3239	load_resource_file "$MAPDIR/regions"
		3240	or die "unable to load regions file\n";
		3241
		3242	for (cf::region::list) {
		3243	$_->{match} = qr/$_->{match}/
		3244	if exists $_->{match};
		3245	}
		3246	}
		3247
		3248	sub reload_facedata {
		3249	load_facedata "$DATADIR/facedata"
		3250	or die "unable to load facedata\n";
		3251	}
		3252
		3253	sub reload_archetypes {
		3254	load_resource_file "$DATADIR/archetypes"
		3255	or die "unable to load archetypes\n";
		3256	#d# NEED to laod twice to resolve forward references
		3257	# this really needs to be done in an extra post-pass
		3258	# (which needs to be synchronous, so solve it differently)
		3259	load_resource_file "$DATADIR/archetypes"
		3260	or die "unable to load archetypes\n";
		3261	}
		3262
		3263	sub reload_treasures {
		3264	load_resource_file "$DATADIR/treasures"
		3265	or die "unable to load treasurelists\n";
		3266	}
		3267
2295	sub reload_resources {	3268	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3269	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3270
		3271	reload_regions;
2298	load_faces	3272	reload_facedata;
2299	or die "unable to load faces\n";#d#	3273	#reload_archetypes;#d#
		3274	reload_archetypes;
		3275	reload_treasures;
		3276
		3277	warn "finished reloading resource files\n";
2300	}	3278	}
2301		3279
2302	sub init {	3280	sub init {
2303	reload_resources;	3281	reload_resources;
2304	}	3282	}
2305		3283
2306	sub cfg_load {	3284	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3285	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3286	or return;
2309		3287
2310	local $/;	3288	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3289	*CFG = YAML::Syck::Load <$fh>;
2312		3290
…		…
2327	sub main {	3305	sub main {
2328	# we must not ever block the main coroutine	3306	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3307	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3309	(async {
		3310	$Coro::current->{desc} = "IDLE BUG HANDLER";
2332	Event::one_event;	3311	Event::one_event;
2333	})->prio (Coro::PRIO_MAX);	3312	})->prio (Coro::PRIO_MAX);
2334	};	3313	};
2335		3314
2336	cfg_load;	3315	reload_config;
2337	db_init;	3316	db_init;
2338	load_extensions;	3317	load_extensions;
2339		3318
2340	$TICK_WATCHER->start;	3319	$TICK_WATCHER->start;
2341	Event::loop;	3320	Event::loop;
…		…
2357	},	3336	},
2358	);	3337	);
2359	}	3338	}
2360	}	3339	}
2361		3340
		3341	sub write_runtime {
		3342	my $runtime = "$LOCALDIR/runtime";
		3343
		3344	# first touch the runtime file to show we are still running:
		3345	# the fsync below can take a very very long time.
		3346
		3347	IO::AIO::aio_utime $runtime, undef, undef;
		3348
		3349	my $guard = cf::lock_acquire "write_runtime";
		3350
		3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3352	or return;
		3353
		3354	my $value = $cf::RUNTIME + 90 + 10;
		3355	# 10 is the runtime save interval, for a monotonic clock
		3356	# 60 allows for the watchdog to kill the server.
		3357
		3358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3359	and return;
		3360
		3361	# always fsync - this file is important
		3362	aio_fsync $fh
		3363	and return;
		3364
		3365	# touch it again to show we are up-to-date
		3366	aio_utime $fh, undef, undef;
		3367
		3368	close $fh
		3369	or return;
		3370
		3371	aio_rename "$runtime~", $runtime
		3372	and return;
		3373
		3374	warn "runtime file written.\n";
		3375
		3376	1
		3377	}
		3378
2362	sub emergency_save() {	3379	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3380	my $freeze_guard = cf::freeze_mainloop;
2364		3381
2365	warn "enter emergency perl save\n";	3382	warn "enter emergency perl save\n";
2366		3383
…		…
2370	# and maps saved/destroyed asynchronously.	3387	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3388	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3389	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3390	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3391	$pl->valid or next;
		3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3393	$pl->save;
2376	}	3394	}
2377	warn "end emergency player save\n";	3395	warn "end emergency player save\n";
2378		3396
2379	warn "begin emergency map save\n";	3397	warn "begin emergency map save\n";
…		…
2397		3415
2398	warn Carp::longmess "post_cleanup backtrace"	3416	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3417	if $make_core;
2400	}	3418	}
2401		3419
2402	sub reload() {	3420	sub do_reload_perl() {
2403	# can/must only be called in main	3421	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3422	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3423	warn "can only reload from main coroutine";
2406	return;	3424	return;
2407	}	3425	}
…		…
2427		3445
2428	warn "flushing outstanding aio requests";	3446	warn "flushing outstanding aio requests";
2429	for (;;) {	3447	for (;;) {
2430	BDB::flush;	3448	BDB::flush;
2431	IO::AIO::flush;	3449	IO::AIO::flush;
2432	Coro::cede;	3450	Coro::cede_notself;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3451	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";	3452	warn "iterate...";
2435	}	3453	}
2436		3454
2437	++$RELOAD;	3455	++$RELOAD;
…		…
2441	%EXT_CORO = ();	3459	%EXT_CORO = ();
2442		3460
2443	warn "removing commands";	3461	warn "removing commands";
2444	%COMMAND = ();	3462	%COMMAND = ();
2445		3463
2446	warn "removing ext commands";	3464	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3465	%EXTCMD = ();
		3466	%EXTICMD = ();
2448		3467
2449	warn "unloading/nuking all extensions";	3468	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3469	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3470	warn "... unloading $pkg";
2452		3471
…		…
2482	Symbol::delete_package "safe::$_"	3501	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3503
2485	warn "unloading cf.pm \"a bit\"";	3504	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3505	delete $INC{"cf.pm"};
		3506	delete $INC{"cf/pod.pm"};
2487		3507
2488	# don't, removes xs symbols, too,	3508	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3509	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3510	#Symbol::delete_package __PACKAGE__;
2491		3511
…		…
2494	warn "reloading cf.pm";	3514	warn "reloading cf.pm";
2495	require cf;	3515	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3517
2498	warn "loading config and database again";	3518	warn "loading config and database again";
2499	cf::cfg_load;	3519	cf::reload_config;
2500		3520
2501	warn "loading extensions";	3521	warn "loading extensions";
2502	cf::load_extensions;	3522	cf::load_extensions;
2503		3523
2504	warn "reattaching attachments to objects/players";	3524	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3526	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3527	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3528	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3529	reattach $_ for values %PLAYER;
2510		3530
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3531	warn "leaving sync_job";
2515		3532
2516	1	3533	1
2517	} or do {	3534	} or do {
2518	warn $@;	3535	warn $@;
…		…
2523	warn "reloaded";	3540	warn "reloaded";
2524	};	3541	};
2525		3542
2526	our $RELOAD_WATCHER; # used only during reload	3543	our $RELOAD_WATCHER; # used only during reload
2527		3544
		3545	sub reload_perl() {
		3546	# doing reload synchronously and two reloads happen back-to-back,
		3547	# coro crashes during coro_state_free->destroy here.
		3548
		3549	$RELOAD_WATCHER ||= Event->timer (
		3550	reentrant => 0,
		3551	after => 0,
		3552	data => WF_AUTOCANCEL,
		3553	cb => sub {
		3554	do_reload_perl;
		3555	undef $RELOAD_WATCHER;
		3556	},
		3557	);
		3558	}
		3559
2528	register_command "reload" => sub {	3560	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2530		3562
2531	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
2533		3565	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3566	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3567	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3568	};
2546	}	3569	}
2547	};	3570	};
2548		3571
2549	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2550		3573
2551	my $bug_warning = 0;	3574	my $bug_warning = 0;
		3575
		3576	our @WAIT_FOR_TICK;
		3577	our @WAIT_FOR_TICK_BEGIN;
		3578
		3579	sub wait_for_tick {
		3580	return unless $TICK_WATCHER->is_active;
		3581	return if $Coro::current == $Coro::main;
		3582
		3583	my $signal = new Coro::Signal;
		3584	push @WAIT_FOR_TICK, $signal;
		3585	$signal->wait;
		3586	}
		3587
		3588	sub wait_for_tick_begin {
		3589	return unless $TICK_WATCHER->is_active;
		3590	return if $Coro::current == $Coro::main;
		3591
		3592	my $signal = new Coro::Signal;
		3593	push @WAIT_FOR_TICK_BEGIN, $signal;
		3594	$signal->wait;
		3595	}
2552		3596
2553	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3598	reentrant => 0,
2555	parked => 1,	3599	parked => 1,
2556	prio => 0,	3600	prio => 0,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3606	unless ++$bug_warning > 10;
2563	return;	3607	return;
2564	}	3608	}
2565		3609
2566	$NOW = Event::time;	3610	$NOW = $tick_start = Event::time;
2567		3611
2568	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
		3613
2569	$RUNTIME += $TICK;	3614	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3615	$NEXT_TICK += $TICK;
2571		3616
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3618	$NEXT_RUNTIME_WRITE = $NOW + 10;
2574	Coro::async_pool {	3619	Coro::async_pool {
		3620	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3621	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3622	or warn "ERROR: unable to write runtime file: $!";
2577	};	3623	};
2578	}	3624	}
2579		3625
2580	$WAIT_FOR_TICK->broadcast;	3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3627	$sig->send;
		3628	}
		3629	while (my $sig = shift @WAIT_FOR_TICK) {
		3630	$sig->send;
		3631	}
2582		3632
2583	# my $AFTER = Event::time;	3633	$NOW = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585		3634
2586	# if we are delayed by four ticks or more, skip them all	3635	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3637
2589	$TICK_WATCHER->at ($NEXT_TICK);	3638	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3639	$TICK_WATCHER->start;
		3640
		3641	$LOAD = ($NOW - $tick_start) / $TICK;
		3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3643
		3644	_post_tick;
2591	},	3645	},
2592	);	3646	);
2593		3647
2594	{	3648	{
		3649	BDB::min_parallel 8;
2595	BDB::max_poll_time $TICK * 0.1;	3650	BDB::max_poll_time $TICK * 0.1;
2596	$BDB_POLL_WATCHER = Event->io (	3651	$BDB_POLL_WATCHER = Event->io (
2597	reentrant => 0,	3652	reentrant => 0,
2598	fd => BDB::poll_fileno,	3653	fd => BDB::poll_fileno,
2599	poll => 'r',	3654	poll => 'r',
2600	prio => 0,	3655	prio => 0,
2601	data => WF_AUTOCANCEL,	3656	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,	3657	cb => \&BDB::poll_cb,
2603	);	3658	);
2604	BDB::min_parallel 8;
2605		3659
2606	BDB::set_sync_prepare {	3660	BDB::set_sync_prepare {
2607	my $status;	3661	my $status;
2608	my $current = $Coro::current;	3662	my $current = $Coro::current;
2609	(	3663	(
…		…
2618	)	3672	)
2619	};	3673	};
2620		3674
2621	unless ($DB_ENV) {	3675	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3676	$DB_ENV = BDB::db_env_create;
		3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3678	| BDB::LOG_AUTOREMOVE, 1);
		3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3681
2624	cf::sync_job {	3682	cf::sync_job {
2625	eval {	3683	eval {
2626	BDB::db_env_open	3684	BDB::db_env_open
2627	$DB_ENV,	3685	$DB_ENV,
2628	$BDB_ENV_DIR,	3686	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3687	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3688	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3689	0666;
2632		3690
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3691	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3692	};
2638		3693
2639	cf::cleanup "db_env_open(db): $@" if $@;	3694	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3695	};
2641	}	3696	}
		3697
		3698	$BDB_DEADLOCK_WATCHER = Event->timer (
		3699	after => 3,
		3700	interval => 1,
		3701	hard => 1,
		3702	prio => 0,
		3703	data => WF_AUTOCANCEL,
		3704	cb => sub {
		3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3706	},
		3707	);
		3708	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3709	after => 11,
		3710	interval => 60,
		3711	hard => 1,
		3712	prio => 0,
		3713	data => WF_AUTOCANCEL,
		3714	cb => sub {
		3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3716	},
		3717	);
		3718	$BDB_TRICKLE_WATCHER = Event->timer (
		3719	after => 5,
		3720	interval => 10,
		3721	hard => 1,
		3722	prio => 0,
		3723	data => WF_AUTOCANCEL,
		3724	cb => sub {
		3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3726	},
		3727	);
2642	}	3728	}
2643		3729
2644	{	3730	{
2645	IO::AIO::min_parallel 8;	3731	IO::AIO::min_parallel 8;
2646		3732
…		…
2649	$AIO_POLL_WATCHER = Event->io (	3735	$AIO_POLL_WATCHER = Event->io (
2650	reentrant => 0,	3736	reentrant => 0,
2651	data => WF_AUTOCANCEL,	3737	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,	3738	fd => IO::AIO::poll_fileno,
2653	poll => 'r',	3739	poll => 'r',
2654	prio => 6,	3740	prio => 0,
2655	cb => \&IO::AIO::poll_cb,	3741	cb => \&IO::AIO::poll_cb,
2656	);	3742	);
2657	}	3743	}
2658		3744
		3745	my $_log_backtrace;
		3746
		3747	sub _log_backtrace {
		3748	my ($msg, @addr) = @_;
		3749
		3750	$msg =~ s/\n//;
		3751
		3752	# limit the # of concurrent backtraces
		3753	if ($_log_backtrace < 2) {
		3754	++$_log_backtrace;
		3755	async {
		3756	$Coro::current->{desc} = "abt $msg";
		3757
		3758	my @bt = fork_call {
		3759	@addr = map { sprintf "%x", $_ } @addr;
		3760	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3761	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3762	or die "addr2line: $!";
		3763
		3764	my @funcs;
		3765	my @res = <$fh>;
		3766	chomp for @res;
		3767	while (@res) {
		3768	my ($func, $line) = splice @res, 0, 2, ();
		3769	push @funcs, "[$func] $line";
		3770	}
		3771
		3772	@funcs
		3773	};
		3774
		3775	LOG llevInfo, "[ABT] $msg\n";
		3776	LOG llevInfo, "[ABT] $_\n" for @bt;
		3777	--$_log_backtrace;
		3778	};
		3779	} else {
		3780	LOG llevInfo, "[ABT] $msg\n";
		3781	LOG llevInfo, "[ABT] [suppressed]\n";
		3782	}
		3783	}
		3784
		3785	# load additional modules
		3786	use cf::pod;
		3787
2659	END { cf::emergency_save }	3788	END { cf::emergency_save }
2660		3789
2661	1	3790	1
2662		3791

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