ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.253 by root, Wed Apr 18 17:32:07 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
95	binmode STDOUT;	133	binmode STDOUT;
96	binmode STDERR;	134	binmode STDERR;
97		135
98	# read virtual server time, if available	136	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
103	}	141	}
104		142
105	mkdir $_	143	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		177
140	=item $cf::TICK	178	=item $cf::TICK
141		179
142	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
143		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
144	=item %cf::CFG	192	=item %cf::CFG
145		193
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	195	from wherever your confdir points to.
148		196
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		198
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	200	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
155	=back	209	=back
156		210
157	=cut	211	=cut
158		212
159	BEGIN {	213	BEGIN {
…		…
161	my $msg = join "", @_;	215	my $msg = join "", @_;
162		216
163	$msg .= "\n"	217	$msg .= "\n"
164	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
165		219
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		221
168	utf8::encode $msg;
169	LOG llevError, $msg;	222	LOG llevError, $msg;
170	};	223	};
171	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
172		240
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		248
180	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	250	# within the Safe compartment.
182	for my $pkg (qw(	251	for my $pkg (qw(
183	cf::global cf::attachable	252	cf::global cf::attachable
184	cf::object cf::object::player	253	cf::object cf::object::player
185	cf::client cf::player	254	cf::client cf::player
186	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
187	cf::map cf::party cf::region	257	cf::party cf::region
188	)) {	258	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	260	}
192		261
193	$Event::DIED = sub {	262	$EV::DIED = sub {
194	warn "error in event callback: @_";	263	warn "error in event callback: @_";
195	};	264	};
		265
		266	#############################################################################
196		267
197	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
198		269
199	=over 4	270	=over 4
200		271
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	291	$d
221	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
222	}	293	}
223		294
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
227		296
228	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
229		298
230	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
231		300
232	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
233		309
234	=item cf::lock_wait $string	310	=item cf::lock_wait $string
235		311
236	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
237		313
…		…
240	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
243	returned.	319	returned.
244		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
245	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
247		326
248	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
249		328
250	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
251		330
252	=cut	331	=cut
253		332
254	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
255		335
256	sub lock_wait($) {	336	sub lock_wait($) {
257	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
258		343
259	# wait for lock, if any	344	# wait for lock, if any
260	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	347	Coro::schedule;
…		…
268		353
269	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
270	lock_wait $key;	355	lock_wait $key;
271		356
272	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
273		359
274	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
277	}	364	}
278	}	365	}
279		366
…		…
282		369
283	! ! $LOCK{$key}	370	! ! $LOCK{$key}
284	}	371	}
285		372
286	sub freeze_mainloop {	373	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
288		375
289	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
291	};	437	}
292	$TICK_WATCHER->stop;	438	};
293	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
294	}	452	}
295		453
296	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
297		455
298	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		461
304	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
305		463
306	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
307		465
308	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
311		470
312	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
315	fast or be very important.	474	fast or be very important.
…		…
318		477
319	sub sync_job(&) {	478	sub sync_job(&) {
320	my ($job) = @_;	479	my ($job) = @_;
321		480
322	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
323	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
325		486
326	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	488
328	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
329		490
330	my $busy = 1;	491	my $busy = 1;
331	my @res;	492	my @res;
332		493
333	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	496	@res = eval { $job->() };
335	warn $@ if $@;	497	warn $@ if $@;
336	undef $busy;	498	undef $busy;
337	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
338		500
339	while ($busy) {	501	while ($busy) {
340	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
341	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
342		512
343	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
344	} else {	514	} else {
345	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
346		516
…		…
366	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
367		537
368	$coro	538	$coro
369	}	539	}
370		540
371	sub write_runtime {	541	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		542
374	my $runtime = "$LOCALDIR/runtime";	543	Executes the given code block with the given arguments in a seperate
		544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
375		547
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	=cut
377	or return;
378		549
379	my $value = $cf::RUNTIME + 90 + 10;	550	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	551	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		552
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	# we seemingly have to make a local copy of the whole thing,
384	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
385		556
386	# always fsync - this file is important	557	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	558	reset_signals;
388	and return;	559	&$cb
		560	}, @args;
389		561
390	close $fh	562	wantarray ? @res : $res[-1]
391	or return;	563	}
392		564
393	aio_rename "$runtime~", $runtime	565	=item $coin = coin_from_name $name
394	and return;
395		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
396	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
397	}	717	}
398		718
399	=item cf::datalog type => key => value, ...	719	=item cf::datalog type => key => value, ...
400		720
401	Log a datalog packet of the given type with the given key-value pairs.	721	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		733
414	#############################################################################	734	#############################################################################
415		735
416	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
417		737
418	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
421		741
422	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	744	Deliantra).
425		745
426	=over 4	746	=over 4
427		747
428	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
429		749
…		…
473	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
474		794
475	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
477		797
478	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
480		800
481	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
482		802
483	=over 4	803	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
593		913
594	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		918
599	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	920	my $pkg = shift @arg;
601		921
602	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
632	}	952	}
633		953
634	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
635	} else {	955	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	957	}
638		958
639	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
640	}	960	}
641		961
…		…
643	if (ref $_[0]) {	963	if (ref $_[0]) {
644	_object_attach @_;	964	_object_attach @_;
645	} else {	965	} else {
646	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
647	}	967	}
		968	_recalc_want;
648	};	969	};
649		970
650	# all those should be optimised	971	# all those should be optimised
651	sub cf::attachable::detach {	972	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
656	reattach ($obj);	977	reattach ($obj);
657	} else {	978	} else {
658	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
659	}	980	}
		981	_recalc_want;
660	};	982	};
661		983
662	sub cf::attachable::attached {	984	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
664		986
…		…
679	";	1001	";
680	die if $@;	1002	die if $@;
681	}	1003	}
682		1004
683	our $override;	1005	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1007
686	sub override {	1008	sub override {
687	$override = 1;	1009	$override = 1;
688	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
689	}	1011	}
690		1012
691	sub do_invoke {	1013	sub do_invoke {
692	my $event = shift;	1014	my $event = shift;
693	my $callbacks = shift;	1015	my $callbacks = shift;
694		1016
695	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
696		1018
697	local $override;	1019	local $override;
698		1020
699	for (@$callbacks) {	1021	for (@$callbacks) {
700	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
709	}	1031	}
710		1032
711	0	1033	0
712	}	1034	}
713		1035
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1037
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1039
718	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
719		1041
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1045
724	=back	1046	=back
725		1047
726	=cut	1048	=cut
727		1049
728	#############################################################################	1050	#############################################################################
729	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
730		1094
731	sub reattach {	1095	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1097	my ($obj) = @_;
734		1098
		1099	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1101
737	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
738		1103
739	@$registry = ();	1104	@$registry = ();
740		1105
…		…
755	cf::attachable->attach (	1120	cf::attachable->attach (
756	prio => -1000000,	1121	prio => -1000000,
757	on_instantiate => sub {	1122	on_instantiate => sub {
758	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
759		1124
760	$data = from_json $data;	1125	$data = decode_json $data;
761		1126
762	for (@$data) {	1127	for (@$data) {
763	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
764		1129
765	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1146	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
783		1148
784	sync_job {	1149	sync_job {
785	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
788		1154
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1159	aio_close $fh;
794		1160
795	if (@$objs) {	1161	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1167	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
803	}	1169	}
804	} else {	1170	} else {
805	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
806	}	1172	}
…		…
811	}	1177	}
812	} else {	1178	} else {
813	aio_unlink $filename;	1179	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
815	}	1181	}
816	}	1182	};
817	}	1183	}
818		1184
819	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
821		1187
…		…
833	or return;	1199	or return;
834		1200
835	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
837	or return;	1203	or return;
		1204
838	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
839	}	1207	}
840		1208
		1209	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
843	return ($data, $av);	1213	($data, $av)
844	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
845		1221
846	#############################################################################	1222	#############################################################################
847	# command handling &c	1223	# command handling &c
848		1224
849	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1239	}
864		1240
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1242
867	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
868		1248
869	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
870	called.	1250	called.
871		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
872	=cut	1263	=cut
873		1264
874	sub register_extcmd {	1265	sub register_extcmd {
875	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
876		1267
877	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
878	}	1275	}
879		1276
880	cf::player->attach (	1277	cf::player->attach (
881	on_command => sub {	1278	on_command => sub {
882	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1288	cf::override;
892	},	1289	},
893	on_extcmd => sub {	1290	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
895		1292
896	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1294
898	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
904	} else {	1310	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1312	}
907		1313
908	cf::override;	1314	cf::override;
909	},	1315	},
910	);	1316	);
911		1317
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
947	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1323	next unless -r $path;
949	eval {	1324
950	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
951	1	1381	}
952	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
953	}	1387	};
954	}	1388	}
955		1389
956	#############################################################################	1390	#############################################################################
957		1391
		1392	=back
		1393
958	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
959		1395
960	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
961		1397
962	=cut	1398	=cut
963		1399
964	package cf::player;	1400	package cf::player;
965		1401
966	use Coro::AIO;	1402	use Coro::AIO;
967		1403
968	=head3 cf::player	1404	=head3 cf::player
969		1405
970	=over 4	1406	=over 4
		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
971		1421
972	=item cf::player::find $login	1422	=item cf::player::find $login
973		1423
974	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
975		1425
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1465
1016	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1019	}	1475	}
1020	}	1476	}
1021	}	1477	}
1022		1478
…		…
1031	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1032		1488
1033	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1035		1491
		1492	cf::get_slot 0.01;
		1493
1036	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1037	Coro::cede;	1495	cf::cede_to_tick;
1038	}	1496	}
1039		1497
1040	sub new($) {	1498	sub new($) {
1041	my ($login) = @_;	1499	my ($login) = @_;
1042		1500
…		…
1048	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1049		1507
1050	$self	1508	$self
1051	}	1509	}
1052		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1053	=item $pl->quit_character	1521	=item $pl->quit_character
1054		1522
1055	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1057		1525
…		…
1061	my ($pl) = @_;	1529	my ($pl) = @_;
1062		1530
1063	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1064		1532
1065	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1535
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1072		1542
1073	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1580	or return [];
1111		1581
1112	my @logins;	1582	my @logins;
1113		1583
1114	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1118		1594
1119	utf8::decode $login;	1595	utf8::decode $login;
1120	push @logins, $login;	1596	push @logins, $login;
1121	}	1597	}
1122		1598
…		…
1149	}	1625	}
1150		1626
1151	\@paths	1627	\@paths
1152	}	1628	}
1153		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1154	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1155		1635
1156	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1157		1637
1158	=cut	1638	=cut
1159		1639
1160	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1162		1642
1163	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1644	}
1167		1645
1168	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1169		1647
1170	Sends an ext event to the client.	1648	Sends an ext event to the client.
1171		1649
1172	=cut	1650	=cut
1173		1651
1174	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1176		1654
1177	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1178	}	1656	}
1179		1657
1180	=head3 cf::region	1658	=head3 cf::region
1181		1659
1182	=over 4	1660	=over 4
…		…
1185		1663
1186	package cf::region;	1664	package cf::region;
1187		1665
1188	=item cf::region::find_by_path $path	1666	=item cf::region::find_by_path $path
1189		1667
1190	Tries to decuce the probable region for a map knowing only its path.	1668	Tries to decuce the likely region for a map knowing only its path.
1191		1669
1192	=cut	1670	=cut
1193		1671
1194	sub find_by_path($) {	1672	sub find_by_path($) {
1195	my ($path) = @_;	1673	my ($path) = @_;
1196		1674
1197	my ($match, $specificity);	1675	my ($match, $specificity);
1198		1676
1199	for my $region (list) {	1677	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1203	}	1681	}
1204	}	1682	}
1205		1683
…		…
1226	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1228		1706
1229	sub generate_random_map {	1707	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1231	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1713	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1270		1751
1271	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1272	local $self->{path};	1753	local $self->{path};
1273	local $self->{load_path};	1754	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1755
1277	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1278	}	1757	}
1279		1758
1280	sub normalise {	1759	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1328	return $self;	1807	return $self;
1329	}	1808	}
1330	}	1809	}
1331		1810
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1812	()
1334	}	1813	}
1335		1814
1336	sub init {	1815	sub init {
1337	my ($self) = @_;	1816	my ($self) = @_;
…		…
1352		1831
1353	# the original (read-only) location	1832	# the original (read-only) location
1354	sub load_path {	1833	sub load_path {
1355	my ($self) = @_;	1834	my ($self) = @_;
1356		1835
1357	"$MAPDIR($self->{path}"	1836	"$MAPDIR/$self->{path}.map"
1358	}	1837	}
1359		1838
1360	# the temporary/swap location	1839	# the temporary/swap location
1361	sub save_path {	1840	sub save_path {
1362	my ($self) = @_;	1841	my ($self) = @_;
1363		1842
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path"	1844	"$TMPDIR/$path.map"
1366	}	1845	}
1367		1846
1368	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1369	sub uniq_path {	1848	sub uniq_path {
1370	my ($self) = @_;	1849	my ($self) = @_;
1371		1850
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1374	}	1853	}
1375		1854
1376	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1377	# all maps in C++...	1856	# all maps in C++...
…		…
1380		1859
1381	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1383	}	1862	}
1384		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1385	sub unlink_save {	1872	sub unlink_save {
1386	my ($self) = @_;	1873	my ($self) = @_;
1387		1874
1388	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1879
1393	sub load_header_from($) {	1880	sub load_header_from($) {
1394	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1395		1882
1396	utf8::encode $path;	1883	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1402		1892
1403	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1404		1894
1405	1	1895	1
1406	}	1896	}
…		…
1445	$self->load_header_orig	1935	$self->load_header_orig
1446	or return;	1936	or return;
1447	$self->prepare_orig;	1937	$self->prepare_orig;
1448	}	1938	}
1449		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
1450	$self->default_region (cf::region::find_by_path $self->{path})	1943	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1944	unless $self->default_region;
1452		1945
1453	1	1946	1
1454	}	1947	}
…		…
1457	sub find {	1950	sub find {
1458	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1459		1952
1460	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1461		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1463		1957
1464	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1466	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1467	or return;	1963	or return;
1468		1964
1469	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1470		1966
1471	$map->load_header	1967	$map->load_header
1472	or return;	1968	or return;
1473		1969
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1477	$map->reset;	1975	$map->reset;
1478	undef $guard;
1479	return find $path;	1976	return find $path;
1480	}	1977	}
1481		1978
1482	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1483	}	1980	}
…		…
1490	my ($self) = @_;	1987	my ($self) = @_;
1491		1988
1492	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1493		1990
1494	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1495	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1496		1995
		1996	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		1998
1499	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1500		2000
1501	$self->alloc;	2001	$self->alloc;
1502		2002
1503	$self->pre_load;	2003	$self->pre_load;
1504	Coro::cede;	2004	cf::cede_to_tick;
1505		2005
1506	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1507	or return;	2009	or return;
1508		2010
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1510	if delete $self->{load_original};	2012	if delete $self->{load_original};
1511		2013
1512	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2015	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2018	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1517	}	2022	}
1518	}	2023	}
1519		2024
1520	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1521	# now do the right thing for maps	2028	# now do the right thing for maps
1522	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2031	unless $self->difficulty;
1533	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1534	$self->activate;	2041	$self->activate;
1535	Coro::cede;	2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2048	}
1537		2049
1538	$self->post_load;	2050	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2051	}
1543		2052
1544	sub customise_for {	2053	sub customise_for {
1545	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1546		2055
1547	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2057	if $self->per_player;
1549		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1550	$self	2062	$self
1551	}	2063	}
1552		2064
1553	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2066	sub load_neighbours {
1555	my ($map) = @_;	2067	my ($map) = @_;
1556		2068
1557	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1558		2070
1559	for (0 .. 3) {	2071	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1561	or next;	2073	or next;
1562	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1563	or next;	2075	or next;
1564	$neigh->load;	2076	$neigh->load;
1565		2077
		2078	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2081	}
1569		2082
1570	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1572	or next;	2086	or next;
1573	$neigh->load;	2087	$neigh->load;
1574	}	2088	}
1575	}	2089	}
1576		2090
…		…
1581	}	2095	}
1582		2096
1583	sub do_load_sync {	2097	sub do_load_sync {
1584	my ($map) = @_;	2098	my ($map) = @_;
1585		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1586	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1587	}	2104	}
1588		2105
1589	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1591		2108
1592	sub find_async {	2109	sub find_async {
1593	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1594		2111
1595	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1596		2113
1597	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2116	}
1600		2117
1601	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1602	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1603	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2125	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2126	$map->load if $v;
		2127	}
1608		2128
1609	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1610	}	2130	}
1611	}	2131	}
1612	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1613	};	2133	};
1614	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2137	}
1618		2138
1619	sub save {	2139	sub save {
1620	my ($self) = @_;	2140	my ($self) = @_;
1621		2141
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2143
1624	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1625		2145
1626	return unless $self->dirty;	2146	return unless $self->dirty;
1627		2147
…		…
1633	return if $self->{deny_save};	2153	return if $self->{deny_save};
1634		2154
1635	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1636		2156
1637	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1639	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1640		2163
1641	if ($uniq) {	2164	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2167	} else {
…		…
1650	my ($self) = @_;	2173	my ($self) = @_;
1651		2174
1652	# save first because save cedes	2175	# save first because save cedes
1653	$self->save;	2176	$self->save;
1654		2177
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2179
1657	return if $self->players;	2180	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1659	return if $self->{deny_save};	2182	return if $self->{deny_save};
1660		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2188	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2189	}
1664		2190
1665	sub reset_at {	2191	sub reset_at {
1666	my ($self) = @_;	2192	my ($self) = @_;
1667		2193
1668	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1671		2196
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2199
…		…
1685	my ($self) = @_;	2210	my ($self) = @_;
1686		2211
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2213
1689	return if $self->players;	2214	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2215
1692	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1693		2217
1694	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1695		2219
1696	# need to save uniques path	2220	# need to save uniques path
1697	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2225	if $uniq;
1702	}	2226	}
1703		2227
1704	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1705		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2232	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2233
1710	$self->unlink_save;	2234	$self->unlink_save;
1711	$self->destroy;	2235	$self->destroy;
1712	}	2236	}
1713		2237
1714	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1715		2239
1716	sub nuke {	2240	sub nuke {
1717	my ($self) = @_;	2241	my ($self) = @_;
1718		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1719	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1720		2247
1721	$self->unlink_save;	2248	$self->unlink_save;
1722		2249
1723	bless $self, "cf::map";	2250	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2255
1729	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1730		2258
1731	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1732	}	2296	}
1733		2297
1734	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1735		2299
1736	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2301	instantiated unique items. May block.
1738		2302
1739	=cut	2303	=cut
1740		2304
1741	sub unique_maps() {	2305	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2306	[
1743	or return;	2307	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2308	utf8::decode $_;
1749	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2311	? ()
1752	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2314	]
1754
1755	\@paths
1756	}	2315	}
1757
1758	package cf;
1759		2316
1760	=back	2317	=back
1761		2318
1762	=head3 cf::object	2319	=head3 cf::object
1763		2320
…		…
1767		2324
1768	=over 4	2325	=over 4
1769		2326
1770	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1771		2328
1772	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1773		2331
1774	=cut	2332	=cut
1775		2333
1776	sub inv_recursive_;	2334	sub inv_recursive_;
1777	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1780		2338
1781	sub inv_recursive {	2339	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1783	}	2341	}
1784		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1785	package cf;	2371	package cf;
1786		2372
1787	=back	2373	=back
1788		2374
1789	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1795	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1797	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1798		2384
1799	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1800		2400
1801	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2402	# with dialog boxes.
1803	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1804	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1806		2406
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2408
1809	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1811	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1814	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1815	}	2434	}
1816		2435
1817	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1818		2437
1819	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1832		2451
1833	=item $player_object->enter_link	2452	=item $player_object->enter_link
1834		2453
1835	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1836		2455
1837	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1838	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1839		2460
1840	Will never block.	2461	Will never block.
1841		2462
1842	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1843		2464
…		…
1866	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1867		2488
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2490
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1872		2493
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2495	}
1875		2496
1876	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1878		2501
1879	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1880		2503
1881	unless ($map) {	2504	unless ($map) {
1882	# restore original map position	2505	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1899		2522
1900	$map->load;	2523	$map->load;
1901	$map->load_diag;	2524	$map->load_neighbours;
1902		2525
1903	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1904	$self->activate_recursive;	2528	$self->activate_recursive;
1905		2529
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1908	}	2532	}
1909		2533
1910	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2535
1914	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1918	};	2540	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2541
1924	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1925	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2544
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1945		2548
1946	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2554
1949	$self->enter_link;	2555	$self->enter_link;
1950		2556
1951	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1952	my $map = eval {	2579	my $map = eval {
1953	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1955	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2595	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1960	})->prio (1);	2603	})->prio (1);
1961	}	2604	}
1962		2605
1963	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1964		2607
…		…
1984	}	2627	}
1985		2628
1986	sub prepare_random_map {	2629	sub prepare_random_map {
1987	my ($exit) = @_;	2630	my ($exit) = @_;
1988		2631
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2634	# that depends on the exit object
1994		2635
1995	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2638	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2002	}	2645	}
2003		2646
2004	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2005		2648
2006	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2009		2652
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2655	undef $fh;
2013	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2014		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2017	}	2664	}
2018	}	2665	}
2019		2666
2020	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2022		2669
2023	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2024		2671
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2672	$self->enter_link;
2037		2673
2038	(async {	2674	(async {
2039	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2040	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2041	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2042		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2043	1;	2698	1
2044	}) {	2699	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2047	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2704
2050	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2069		2724
2070	utf8::encode $text;	2725	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2727	}
2073		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
		2794	);
		2795
		2796	sub cf::client::send_msg {
		2797	my ($self, $channel, $msg, $color, @extra) = @_;
		2798
		2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
		2801
		2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2803
		2804	# check predefined channels, for the benefit of C
		2805	if ($CHANNEL{$channel}) {
		2806	$channel = $CHANNEL{$channel};
		2807
		2808	$self->ext_msg (channel_info => $channel)
		2809	if $self->can_msg;
		2810
		2811	$channel = $channel->{id};
		2812
		2813	} elsif (ref $channel) {
		2814	# send meta info to client, if not yet sent
		2815	unless (exists $self->{channel}{$channel->{id}}) {
		2816	$self->{channel}{$channel->{id}} = $channel;
		2817	$self->ext_msg (channel_info => $channel)
		2818	if $self->can_msg;
		2819	}
		2820
		2821	$channel = $channel->{id};
		2822	}
		2823
		2824	return unless @extra || length $msg;
		2825
		2826	if ($self->can_msg) {
		2827	# default colour, mask it out
		2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2829	if $color & cf::NDI_DEF;
		2830
		2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
		2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
		2847	} else {
		2848	if ($color >= 0) {
		2849	# replace some tags by gcfclient-compatible ones
		2850	for ($msg) {
		2851	1 while
		2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2857	}
		2858
		2859	$color &= cf::NDI_COLOR_MASK;
		2860
		2861	utf8::encode $msg;
		2862
		2863	if (0 && $msg =~ /\[/) {
		2864	# COMMAND/INFO
		2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2866	} else {
		2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2868	$self->send_packet ("drawinfo $color $msg")
		2869	}
		2870	}
		2871	}
		2872	}
		2873
2074	=item $client->ext_event ($type, %msg)	2874	=item $client->ext_msg ($type, @msg)
2075		2875
2076	Sends an exti event to the client.	2876	Sends an ext event to the client.
2077		2877
2078	=cut	2878	=cut
2079		2879
2080	sub cf::client::ext_event($$%) {	2880	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2881	my ($self, $type, @msg) = @_;
2082		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2885	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2886	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2888	}
		2889	}
		2890
		2891	=item $client->ext_reply ($msgid, @msg)
		2892
		2893	Sends an ext reply to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_reply($$@) {
		2898	my ($self, $id, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2902	} elsif ($self->extcmd == 1) {
		2903	#TODO: version 1, remove
		2904	unshift @msg, msgtype => "reply", msgid => $id;
		2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2906	}
2085	}	2907	}
2086		2908
2087	=item $success = $client->query ($flags, "text", \&cb)	2909	=item $success = $client->query ($flags, "text", \&cb)
2088		2910
2089	Queues a query to the client, calling the given callback with	2911	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2914
2093	Queries can fail, so check the return code. Or don't, as queries will become	2915	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2916	become reliable at some point in the future.
2095		2917
2096	=cut	2918	=cut
2097		2919
2098	sub cf::client::query {	2920	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2921	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2929	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2931
2110	$self->send_packet ($self->{query_queue}[0][0])	2932	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2933	if @{ $self->{query_queue} } == 1;
		2934
		2935	1
2112	}	2936	}
2113		2937
2114	cf::client->attach (	2938	cf::client->attach (
		2939	on_connect => sub {
		2940	my ($ns) = @_;
		2941
		2942	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2943	},
2115	on_reply => sub {	2944	on_reply => sub {
2116	my ($ns, $msg) = @_;	2945	my ($ns, $msg) = @_;
2117		2946
2118	# this weird shuffling is so that direct followup queries	2947	# this weird shuffling is so that direct followup queries
2119	# get handled first	2948	# get handled first
…		…
2131	} else {	2960	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2961	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2962	}
2134	}	2963	}
2135	},	2964	},
		2965	on_exticmd => sub {
		2966	my ($ns, $buf) = @_;
		2967
		2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2969
		2970	if (ref $msg) {
		2971	my ($type, $reply, @payload) =
		2972	"ARRAY" eq ref $msg
		2973	? @$msg
		2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2975
		2976	my @reply;
		2977
		2978	if (my $cb = $EXTICMD{$type}) {
		2979	@reply = $cb->($ns, @payload);
		2980	}
		2981
		2982	$ns->ext_reply ($reply, @reply)
		2983	if $reply;
		2984
		2985	} else {
		2986	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2987	}
		2988
		2989	cf::override;
		2990	},
2136	);	2991	);
2137		2992
2138	=item $client->async (\&cb)	2993	=item $client->async (\&cb)
2139		2994
2140	Create a new coroutine, running the specified callback. The coroutine will	2995	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	3036	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3037	our $safe_hole = new Safe::Hole;
2183		3038
2184	$SIG{FPE} = 'IGNORE';	3039	$SIG{FPE} = 'IGNORE';
2185		3040
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3041	$safe->permit_only (Opcode::opset qw(
		3042	:base_core :base_mem :base_orig :base_math
		3043	grepstart grepwhile mapstart mapwhile
		3044	sort time
		3045	));
2187		3046
2188	# here we export the classes and methods available to script code	3047	# here we export the classes and methods available to script code
2189		3048
2190	=pod	3049	=pod
2191		3050
2192	The following functions and methods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2193		3052
2194	cf::object contr pay_amount pay_player map	3053	cf::object
		3054	contr pay_amount pay_player map x y force_find force_add destroy
		3055	insert remove name archname title slaying race decrease split
		3056
2195	cf::object::player player	3057	cf::object::player
2196	cf::player peaceful	3058	player
2197	cf::map trigger	3059
		3060	cf::player
		3061	peaceful
		3062
		3063	cf::map
		3064	trigger
2198		3065
2199	=cut	3066	=cut
2200		3067
2201	for (	3068	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3070	insert remove inv nrof name archname title slaying race
		3071	decrease split destroy change_exp)],
2203	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2206	) {	3075	) {
2207	no strict 'refs';	3076	no strict 'refs';
…		…
2278	=back	3147	=back
2279		3148
2280	=cut	3149	=cut
2281		3150
2282	#############################################################################	3151	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	3152	# the server's init and main functions
2457		3153
2458	sub load_facedata($) {	3154	sub load_facedata($) {
2459	my ($path) = @_;	3155	my ($path) = @_;
		3156
		3157	# HACK to clear player env face cache, we need some signal framework
		3158	# for this (global event?)
		3159	%ext::player_env::MUSIC_FACE_CACHE = ();
		3160
		3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3162
2461	warn "loading facedata from $path\n";	3163	warn "loading facedata from $path\n";
2462		3164
2463	my $facedata;	3165	my $facedata;
2464	0 < aio_load $path, $facedata	3166	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3169	$facedata = Coro::Storable::thaw $facedata;
2468		3170
2469	$facedata->{version} == 2	3171	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3172	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3173
		3174	# patch in the exptable
		3175	$facedata->{resource}{"res/exp_table"} = {
		3176	type => FT_RSRC,
		3177	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3178	};
		3179	cf::cede_to_tick;
		3180
2472	{	3181	{
2473	my $faces = $facedata->{faceinfo};	3182	my $faces = $facedata->{faceinfo};
2474		3183
2475	while (my ($face, $info) = each %$faces) {	3184	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3187	cf::face::set_visibility $idx, $info->{visibility};
		3188	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3191
		3192	cf::cede_to_tick;
2481	}	3193	}
2482		3194
2483	while (my ($face, $info) = each %$faces) {	3195	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3196	next unless $info->{smooth};
		3197
2485	my $idx = cf::face::find $face	3198	my $idx = cf::face::find $face
2486	or next;	3199	or next;
		3200
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3201	if (my $smooth = cf::face::find $info->{smooth}) {
		3202	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3204	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3206	}
2492	Coro::cede;	3207
		3208	cf::cede_to_tick;
2493	}	3209	}
2494	}	3210	}
2495		3211
2496	{	3212	{
2497	my $anims = $facedata->{animinfo};	3213	my $anims = $facedata->{animinfo};
2498		3214
2499	while (my ($anim, $info) = each %$anims) {	3215	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3216	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3217	cf::cede_to_tick;
2502	}	3218	}
2503		3219
2504	cf::anim::invalidate_all; # d'oh	3220	cf::anim::invalidate_all; # d'oh
2505	}	3221	}
2506		3222
		3223	{
		3224	# TODO: for gcfclient pleasure, we should give resources
		3225	# that gcfclient doesn't grok a >10000 face index.
		3226	my $res = $facedata->{resource};
		3227
		3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
		3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3231	my $data;
		3232
		3233	if ($info->{type} & 1) {
		3234	# prepend meta info
		3235
		3236	my $meta = $enc->encode ({
		3237	name => $name,
		3238	%{ $info->{meta} || {} },
		3239	});
		3240
		3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
		3248	} else {
		3249	$RESOURCE{$name} = $info;
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3257
2507	1	3258	1
2508	}	3259	}
2509		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
		3280
		3281	register_exticmd fx_want => sub {
		3282	my ($ns, $want) = @_;
		3283
		3284	while (my ($k, $v) = each %$want) {
		3285	$ns->fx_want ($k, $v);
		3286	}
		3287	};
		3288
		3289	sub load_resource_file($) {
		3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
		3298
2510	sub reload_regions {	3299	sub reload_regions {
		3300	# HACK to clear player env face cache, we need some signal framework
		3301	# for this (global event?)
		3302	%ext::player_env::MUSIC_FACE_CACHE = ();
		3303
2511	load_resource_file "$MAPDIR/regions"	3304	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3305	or die "unable to load regions file\n";
		3306
		3307	for (cf::region::list) {
		3308	$_->{match} = qr/$_->{match}/
		3309	if exists $_->{match};
		3310	}
2513	}	3311	}
2514		3312
2515	sub reload_facedata {	3313	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3314	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3315	or die "unable to load facedata\n";
…		…
2528	}	3326	}
2529		3327
2530	sub reload_resources {	3328	sub reload_resources {
2531	warn "reloading resource files...\n";	3329	warn "reloading resource files...\n";
2532		3330
2533	reload_regions;
2534	reload_facedata;	3331	reload_facedata;
2535	reload_archetypes;	3332	reload_archetypes;
		3333	reload_regions;
2536	reload_treasures;	3334	reload_treasures;
2537		3335
2538	warn "finished reloading resource files\n";	3336	warn "finished reloading resource files\n";
2539	}	3337	}
2540		3338
2541	sub init {	3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
2542	reload_resources;	3344	reload_resources;
2543	}	3345	}
2544		3346
2545	sub cfg_load {	3347	sub reload_config {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3349	or return;
2548		3350
2549	local $/;	3351	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2551		3353
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553		3355
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2561	};	3363	};
2562	warn $@ if $@;	3364	warn $@ if $@;
2563	}	3365	}
2564	}	3366	}
2565		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2566	sub main {	3387	sub main {
		3388	atomic;
		3389
2567	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3393	(async {
2571	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
2573	};	3397	};
2574		3398
2575	cfg_load;	3399	{
		3400	my $guard = freeze_mainloop;
		3401	reload_config;
2576	db_init;	3402	db_init;
2577	load_extensions;	3403	load_extensions;
2578		3404
2579	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
2580	Event::loop;	3413	EV::loop;
2581	}	3414	}
2582		3415
2583	#############################################################################	3416	#############################################################################
2584	# initialisation and cleanup	3417	# initialisation and cleanup
2585		3418
2586	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
2587	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
2596	},
2597	);	3425	};
		3426	}
		3427	}
		3428
		3429	sub write_runtime_sync {
		3430	# first touch the runtime file to show we are still running:
		3431	# the fsync below can take a very very long time.
		3432
		3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3434
		3435	my $guard = cf::lock_acquire "write_runtime";
		3436
		3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3438	or return;
		3439
		3440	my $value = $cf::RUNTIME + 90 + 10;
		3441	# 10 is the runtime save interval, for a monotonic clock
		3442	# 60 allows for the watchdog to kill the server.
		3443
		3444	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3445	and return;
		3446
		3447	# always fsync - this file is important
		3448	aio_fsync $fh
		3449	and return;
		3450
		3451	# touch it again to show we are up-to-date
		3452	aio_utime $fh, undef, undef;
		3453
		3454	close $fh
		3455	or return;
		3456
		3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3458	and return;
		3459
		3460	warn "runtime file written.\n";
		3461
2598	}	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2599	}	3506	}
2600		3507
2601	sub emergency_save() {	3508	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2603		3510
…		…
2609	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2611	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3522	$pl->save;
2615	}	3523	}
2616	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2617		3525
2618	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2624	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
2625		3533
2626	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2629	};	3541	};
2630		3542
2631	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2632	}	3544	}
2633		3545
2634	sub post_cleanup {	3546	sub post_cleanup {
2635	my ($make_core) = @_;	3547	my ($make_core) = @_;
2636		3548
2637	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3550	if $make_core;
		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
2639	}	3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
2640		3583
2641	sub do_reload_perl() {	3584	sub do_reload_perl() {
2642	# can/must only be called in main	3585	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2644	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2645	return;	3588	return;
2646	}	3589	}
2647		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
2648	warn "reloading...";	3594	warn "reloading...";
2649		3595
2650	warn "entering sync_job";	3596	warn "entering sync_job";
2651		3597
2652	cf::sync_job {	3598	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark	3599	cf::write_runtime_sync; # external watchdog should not bark
2654	cf::emergency_save;	3600	cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark	3601	cf::write_runtime_sync; # external watchdog should not bark
2656		3602
2657	warn "syncing database to disk";	3603	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3605
2660	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
2661		3607
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3609	while (IO::AIO::nreqs || BDB::nreqs) {
2673	warn "iterate...";	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();
2681
2682	warn "removing commands";
2683	%COMMAND = ();
2684
2685	warn "removing ext commands";
2686	%EXTCMD = ();
2687
2688	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";
2691
2692	if (my $cb = $pkg->can ("unload")) {
2693	eval {
2694	$cb->($pkg);
2695	1
2696	} or warn "$pkg unloaded, but with errors: $@";
2697	}	3611	}
2698		3612
2699	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
2700	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
2701	}	3615	%EXT_CORO = ();
2702		3616
2703	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
2704	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
2707	warn "... unloading $k";	3626	warn "... unloading $pkg";
2708	delete $INC{$k};
2709		3627
2710	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;
2712
2713	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
2714	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
2715	}	3637	}
2716		3638
2717	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
2718	}	3654	}
2719		3655
2720	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		3659
2724	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3662	delete $INC{"cf/pod.pm"};
2727		3663
2728	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3665	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
2731		3667
2732	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
2733		3669
2734	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
2735	require cf;	3671	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3673
2738	warn "loading config and database again";	3674	warn "loading config and database again";
2739	cf::cfg_load;	3675	cf::reload_config;
2740		3676
2741	warn "loading extensions";	3677	warn "loading extensions";
2742	cf::load_extensions;	3678	cf::load_extensions;
2743		3679
2744	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3681	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3684	warn "reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3685	reattach $_ for values %PLAYER;
2750		3686
2751	warn "leaving sync_job";	3687	warn "leaving sync_job";
2752		3688
2753	1	3689	1
2754	} or do {	3690	} or do {
2755	warn $@;	3691	warn $@;
2756	warn "error while reloading, exiting.";	3692	cf::cleanup "error while reloading, exiting.";
2757	exit 1;
2758	};	3693	};
2759		3694
2760	warn "reloaded";	3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
2761	};	3698	};
2762		3699
2763	our $RELOAD_WATCHER; # used only during reload	3700	our $RELOAD_WATCHER; # used only during reload
2764		3701
2765	sub reload_perl() {	3702	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3703	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3704	# coro crashes during coro_state_free->destroy here.
2768		3705
2769	$RELOAD_WATCHER ||= Event->timer (	3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2770	reentrant => 0,
2771	after => 0,
2772	data => WF_AUTOCANCEL,
2773	cb => sub {
2774	do_reload_perl;	3707	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3708	undef $RELOAD_WATCHER;
2776	},
2777	);	3709	};
2778	}	3710	}
2779		3711
2780	register_command "reload" => sub {	3712	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
2782		3714
2783	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
		3717	async {
		3718	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3719	reload_perl;
		3720	};
2786	}	3721	}
2787	};	3722	};
2788		3723
2789	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
2790		3725
…		…
2792		3727
2793	our @WAIT_FOR_TICK;	3728	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	3729	our @WAIT_FOR_TICK_BEGIN;
2795		3730
2796	sub wait_for_tick {	3731	sub wait_for_tick {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	3732	return if tick_inhibit || $Coro::current == $Coro::main;
2799		3733
2800	my $signal = new Coro::Signal;	3734	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	3735	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	3736	$signal->wait;
2803	}	3737	}
2804		3738
2805	sub wait_for_tick_begin {	3739	sub wait_for_tick_begin {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	3740	return if tick_inhibit || $Coro::current == $Coro::main;
2808		3741
2809	my $signal = new Coro::Signal;	3742	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3743	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3744	$signal->wait;
2812	}	3745	}
2813		3746
2814	$TICK_WATCHER = Event->timer (	3747	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
2824	return;	3751	return;
2825	}	3752	}
2826		3753
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
2830		3755
2831	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;
2833
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3758	Coro::async_pool {
		3759	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3760	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	3761	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3762	};
		3763	}
2841		3764
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3766	$sig->send;
2853	}	3767	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3768	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3769	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	3770	}
2860	);	3771
		3772	$LOAD = ($NOW - $TICK_START) / $TICK;
		3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3774
		3775	if (0) {
		3776	if ($NEXT_TICK) {
		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
		3781	}
		3782	}
2861		3783
2862	{	3784	{
2863	BDB::max_poll_time $TICK * 0.1;	3785	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	3786
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
2873		3788	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	3789	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		3790
2889	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	3792	$DB_ENV = BDB::db_env_create;
		3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		3798
2892	cf::sync_job {	3799	cf::sync_job {
2893	eval {	3800	eval {
2894	BDB::db_env_open	3801	BDB::db_env_open
2895	$DB_ENV,	3802	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3806	0666;
2900		3807
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	3809	};
2906		3810
2907	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3812	};
2909	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
2910	}	3824	}
2911		3825
2912	{	3826	{
		3827	# configure IO::AIO
		3828
2913	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	3832	}
2919	data => WF_AUTOCANCEL,	3833
2920	fd => IO::AIO::poll_fileno,	3834	my $_log_backtrace;
2921	poll => 'r',	3835
2922	prio => 6,	3836	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	3837	my ($msg, @addr) = @_;
2924	);	3838
		3839	$msg =~ s/\n//;
		3840
		3841	# limit the # of concurrent backtraces
		3842	if ($_log_backtrace < 2) {
		3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
		3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
		3848	my @bt = fork_call {
		3849	@addr = map { sprintf "%x", $_ } @addr;
		3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3851	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3852	or die "addr2line: $!";
		3853
		3854	my @funcs;
		3855	my @res = <$fh>;
		3856	chomp for @res;
		3857	while (@res) {
		3858	my ($func, $line) = splice @res, 0, 2, ();
		3859	push @funcs, "[$func] $line";
		3860	}
		3861
		3862	@funcs
		3863	};
		3864
		3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
		3873	}
2925	}	3874	}
2926		3875
2927	# load additional modules	3876	# load additional modules
2928	use cf::pod;	3877	use cf::pod;
2929		3878

Diff Legend

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