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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.445 by root, Wed Sep 10 18:18:10 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 Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
26	use YAML::Syck ();	56	use YAML ();
27	use IO::AIO 2.32 ();	57	use IO::AIO ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
30		63
31	# configure various modules to our taste	64	# configure various modules to our taste
32	#	65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
33	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
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		69
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		71
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		73
45	our %COMMAND = ();	74	our %COMMAND = ();
46	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
47		76
48	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
52		82
53	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
54	our @EVENT;	84	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		85
57	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	87	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
		101
		102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	104	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	110	our $DB_ENV;
67		111
68	our %CFG;	112	our %CFG;
69		113
70	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
72		117
73	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		121
82	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		124
		125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
		128	our $TICK_START; # for load detecting purposes
		129
85	binmode STDOUT;	130	binmode STDOUT;
86	binmode STDERR;	131	binmode STDERR;
87		132
88	# read virtual server time, if available	133	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
93	}	138	}
94		139
95	mkdir cf::localdir;	140	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		142
102	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
103		144
104	sub cf::map::normalise;	145	sub cf::map::normalise;
105		146
…		…
116	=item $cf::RUNTIME	157	=item $cf::RUNTIME
117		158
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	159	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	160	every server tick.
120		161
121	=item $cf::LIBDIR	162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		165
123	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		168	unique-items directory, player file directory, random maps directory and
		169	database environment.
125		170
126	=item $cf::NOW	171	=item $cf::NOW
127		172
128	The time of the last (current) server tick.	173	The time of the last (current) server tick.
129		174
130	=item $cf::TICK	175	=item $cf::TICK
131		176
132	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
133		178
		179	=item $cf::LOADAVG
		180
		181	The current CPU load on the server (alpha-smoothed), as a value between 0
		182	(none) and 1 (overloaded), indicating how much time is spent on processing
		183	objects per tick. Healthy values are < 0.5.
		184
		185	=item $cf::LOAD
		186
		187	The raw value load value from the last tick.
		188
134	=item %cf::CFG	189	=item %cf::CFG
135		190
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	192	from wherever your confdir points to.
138		193
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		195
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	197	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
145		205
146	=back	206	=back
147		207
148	=cut	208	=cut
149		209
150	BEGIN {	210	BEGIN {
151	*CORE::GLOBAL::warn = sub {	211	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	212	my $msg = join "", @_;
153	utf8::encode $msg;
154		213
155	$msg .= "\n"	214	$msg .= "\n"
156	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
157		216
		217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		218
158	LOG llevError, $msg;	219	LOG llevError, $msg;
159	};	220	};
160	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
161		237
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		245
169	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	247	# within the Safe compartment.
171	for my $pkg (qw(	248	for my $pkg (qw(
172	cf::global cf::attachable	249	cf::global cf::attachable
173	cf::object cf::object::player	250	cf::object cf::object::player
174	cf::client cf::player	251	cf::client cf::player
175	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
176	cf::map cf::party cf::region	254	cf::party cf::region
177	)) {	255	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	257	}
181		258
182	$Event::DIED = sub {	259	$EV::DIED = sub {
183	warn "error in event callback: @_";	260	warn "error in event callback: @_";
184	};	261	};
		262
		263	#############################################################################
185		264
186	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
187		266
188	=over 4	267	=over 4
189		268
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	288	$d
210	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
211	}	290	}
212		291
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
216		293
217	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
218		295
219	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
220		297
221	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
		299
		300	=cut
		301
		302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		303
		304	sub encode_json($) { $json_coder->encode ($_[0]) }
		305	sub decode_json($) { $json_coder->decode ($_[0]) }
222		306
223	=item cf::lock_wait $string	307	=item cf::lock_wait $string
224		308
225	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
226		310
…		…
229	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
232	returned.	316	returned.
233		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
234	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
236		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
237	=cut	328	=cut
238		329
239	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
240		332
241	sub lock_wait($) {	333	sub lock_wait($) {
242	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
243		340
244	# wait for lock, if any	341	# wait for lock, if any
245	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	344	Coro::schedule;
…		…
253		350
254	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
255	lock_wait $key;	352	lock_wait $key;
256		353
257	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
258		356
259	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
262	}	361	}
263	}	362	}
264		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
265	sub freeze_mainloop {	370	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
267		372
268	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
270	};	434	}
271	$TICK_WATCHER->stop;	435	};
272	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
273	}	449	}
274		450
275	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
276		452
277	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		458
283	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
284		460
285	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
286		462
287	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
290		467
291	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
294	fast or be very important.	471	fast or be very important.
…		…
297		474
298	sub sync_job(&) {	475	sub sync_job(&) {
299	my ($job) = @_;	476	my ($job) = @_;
300		477
301	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
302	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
304		483
305	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	485
307	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
308		487
309	my $busy = 1;	488	my $busy = 1;
310	my @res;	489	my @res;
311		490
312	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	493	@res = eval { $job->() };
314	warn $@ if $@;	494	warn $@ if $@;
315	undef $busy;	495	undef $busy;
316	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
317		497
318	while ($busy) {	498	while ($busy) {
319	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
320	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
321		509
322	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
323	} else {	511	} else {
324	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
325		513
…		…
345	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
346		534
347	$coro	535	$coro
348	}	536	}
349		537
350	sub write_runtime {	538	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		539
353	my $runtime = cf::localdir . "/runtime";	540	Executes the given code block with the given arguments in a seperate
		541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
354		544
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	=cut
356	or return;
357		546
358	my $value = $cf::RUNTIME + 90 + 10;	547	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	548	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		549
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	# we seemingly have to make a local copy of the whole thing,
363	and return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
364		553
365	# always fsync - this file is important	554	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	555	reset_signals;
367	and return;	556	&$cb
		557	}, @args;
368		558
369	close $fh	559	wantarray ? @res : $res[-1]
370	or return;	560	}
371		561
372	aio_rename "$runtime~", $runtime	562	=item $coin = coin_from_name $name
373	and return;
374		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
		589	=item $value = cf::db_get $family => $key
		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
375	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
376	}	714	}
377		715
378	=item cf::datalog type => key => value, ...	716	=item cf::datalog type => key => value, ...
379		717
380	Log a datalog packet of the given type with the given key-value pairs.	718	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
400		738
401	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	741	Deliantra).
404		742
405	=over 4	743	=over 4
406		744
407	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
408		746
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
572		910
573	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		915
578	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	917	my $pkg = shift @arg;
580		918
581	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
611	}	949	}
612		950
613	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
614	} else {	952	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	954	}
617		955
618	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
619	}	957	}
620		958
…		…
622	if (ref $_[0]) {	960	if (ref $_[0]) {
623	_object_attach @_;	961	_object_attach @_;
624	} else {	962	} else {
625	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
626	}	964	}
		965	_recalc_want;
627	};	966	};
628		967
629	# all those should be optimised	968	# all those should be optimised
630	sub cf::attachable::detach {	969	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
635	reattach ($obj);	974	reattach ($obj);
636	} else {	975	} else {
637	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
638	}	977	}
		978	_recalc_want;
639	};	979	};
640		980
641	sub cf::attachable::attached {	981	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
643		983
…		…
658	";	998	";
659	die if $@;	999	die if $@;
660	}	1000	}
661		1001
662	our $override;	1002	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1004
665	sub override {	1005	sub override {
666	$override = 1;	1006	$override = 1;
667	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
668	}	1008	}
669		1009
670	sub do_invoke {	1010	sub do_invoke {
671	my $event = shift;	1011	my $event = shift;
672	my $callbacks = shift;	1012	my $callbacks = shift;
673		1013
674	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
675		1015
676	local $override;	1016	local $override;
677		1017
678	for (@$callbacks) {	1018	for (@$callbacks) {
679	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
688	}	1028	}
689		1029
690	0	1030	0
691	}	1031	}
692		1032
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1034
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1036
697	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
698		1038
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1042
703	=back	1043	=back
704		1044
705	=cut	1045	=cut
706		1046
707	#############################################################################	1047	#############################################################################
708	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
709		1091
710	sub reattach {	1092	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1094	my ($obj) = @_;
713		1095
		1096	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1098
716	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
717		1100
718	@$registry = ();	1101	@$registry = ();
719		1102
…		…
734	cf::attachable->attach (	1117	cf::attachable->attach (
735	prio => -1000000,	1118	prio => -1000000,
736	on_instantiate => sub {	1119	on_instantiate => sub {
737	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
738		1121
739	$data = from_json $data;	1122	$data = decode_json $data;
740		1123
741	for (@$data) {	1124	for (@$data) {
742	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
743		1126
744	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1143	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
762		1145
763	sync_job {	1146	sync_job {
764	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
767		1151
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1156	aio_close $fh;
773		1157
774	if (@$objs) {	1158	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1164	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
782	}	1166	}
783	} else {	1167	} else {
784	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
785	}	1169	}
…		…
790	}	1174	}
791	} else {	1175	} else {
792	aio_unlink $filename;	1176	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
794	}	1178	}
795	}	1179	};
796	}	1180	}
797		1181
798	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
800		1184
…		…
812	or return;	1196	or return;
813		1197
814	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
816	or return;	1200	or return;
		1201
817	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
818	}	1204	}
819		1205
		1206	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
822	return ($data, $av);	1210	($data, $av)
823	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
824		1218
825	#############################################################################	1219	#############################################################################
826	# command handling &c	1220	# command handling &c
827		1221
828	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1236	}
843		1237
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1239
846	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
847		1245
848	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
849	called.	1247	called.
850		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
851	=cut	1260	=cut
852		1261
853	sub register_extcmd {	1262	sub register_extcmd {
854	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
855		1264
856	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
857	}	1272	}
858		1273
859	cf::player->attach (	1274	cf::player->attach (
860	on_command => sub {	1275	on_command => sub {
861	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1285	cf::override;
871	},	1286	},
872	on_extcmd => sub {	1287	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
874		1289
875	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1291
877	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
883	} else {	1307	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1309	}
886		1310
887	cf::override;	1311	cf::override;
888	},	1312	},
889	);	1313	);
890		1314
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
926	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1320	next unless -r $path;
928	eval {	1321
929	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
930	1	1378	}
931	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
932	}	1384	};
933	}	1385	}
934		1386
935	#############################################################################	1387	#############################################################################
936		1388
		1389	=back
		1390
937	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
938		1392
939	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
940		1394
941	=cut	1395	=cut
…		…
946		1400
947	=head3 cf::player	1401	=head3 cf::player
948		1402
949	=over 4	1403	=over 4
950		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
		1418
951	=item cf::player::find $login	1419	=item cf::player::find $login
952		1420
953	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
954		1422
955	=cut	1423	=cut
956		1424
957	sub playerdir($) {	1425	sub playerdir($) {
958	cf::localdir	1426	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1428	}
964		1429
965	sub path($) {	1430	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1432
968	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
969	}	1434	}
970		1435
971	sub find_active($) {	1436	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1451	my $login = $_[0];
987		1452
988	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
989		1454
990	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1456	# rename old playerfiles to new ones
		1457	#TODO: remove when no longer required
		1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1461	aio_unlink +(playerdir $login) . "/$login.pl";
		1462
		1463	my $f = new_from_file cf::object::thawer path $login
992	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
994	}	1472	}
995	}	1473	}
996	}	1474	}
997		1475
…		…
1006	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1007		1485
1008	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1010		1488
		1489	cf::get_slot 0.01;
		1490
1011	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1012	Coro::cede;	1492	cf::cede_to_tick;
1013	}	1493	}
1014		1494
1015	sub new($) {	1495	sub new($) {
1016	my ($login) = @_;	1496	my ($login) = @_;
1017		1497
…		…
1023	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1024		1504
1025	$self	1505	$self
1026	}	1506	}
1027		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1028	=item $pl->quit_character	1518	=item $pl->quit_character
1029		1519
1030	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1032		1522
…		…
1036	my ($pl) = @_;	1526	my ($pl) = @_;
1037		1527
1038	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1039		1529
1040	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1532
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1047		1539
1048	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1080		1572
1081	=cut	1573	=cut
1082		1574
1083	sub list_logins {	1575	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1577	or return [];
1086		1578
1087	my @logins;	1579	my @logins;
1088		1580
1089	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1093		1591
1094	utf8::decode $login;	1592	utf8::decode $login;
1095	push @logins, $login;	1593	push @logins, $login;
1096	}	1594	}
1097		1595
…		…
1124	}	1622	}
1125		1623
1126	\@paths	1624	\@paths
1127	}	1625	}
1128		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1129	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1130		1632
1131	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1132		1634
1133	=cut	1635	=cut
1134		1636
1135	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1137		1639
1138	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1641	}
1142		1642
1143	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1144		1644
1145	Sends an ext event to the client.	1645	Sends an ext event to the client.
1146		1646
1147	=cut	1647	=cut
1148		1648
1149	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1151		1651
1152	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1153	}	1653	}
1154		1654
1155	package cf;	1655	=head3 cf::region
		1656
		1657	=over 4
		1658
		1659	=cut
		1660
		1661	package cf::region;
		1662
		1663	=item cf::region::find_by_path $path
		1664
		1665	Tries to decuce the likely region for a map knowing only its path.
		1666
		1667	=cut
		1668
		1669	sub find_by_path($) {
		1670	my ($path) = @_;
		1671
		1672	my ($match, $specificity);
		1673
		1674	for my $region (list) {
		1675	if ($region->{match} && $path =~ $region->{match}) {
		1676	($match, $specificity) = ($region, $region->specificity)
		1677	if $region->specificity > $specificity;
		1678	}
		1679	}
		1680
		1681	$match
		1682	}
1156		1683
1157	=back	1684	=back
1158
1159		1685
1160	=head3 cf::map	1686	=head3 cf::map
1161		1687
1162	=over 4	1688	=over 4
1163		1689
…		…
1175	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1177		1703
1178	sub generate_random_map {	1704	sub generate_random_map {
1179	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1180	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1710	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1218	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1219		1748
1220	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1221	local $self->{path};	1750	local $self->{path};
1222	local $self->{load_path};	1751	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1752
1226	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1227	}	1754	}
1228		1755
1229	sub normalise {	1756	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1277	return $self;	1804	return $self;
1278	}	1805	}
1279	}	1806	}
1280		1807
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1809	()
1283	}	1810	}
1284		1811
1285	sub init {	1812	sub init {
1286	my ($self) = @_;	1813	my ($self) = @_;
…		…
1301		1828
1302	# the original (read-only) location	1829	# the original (read-only) location
1303	sub load_path {	1830	sub load_path {
1304	my ($self) = @_;	1831	my ($self) = @_;
1305		1832
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1307	}	1834	}
1308		1835
1309	# the temporary/swap location	1836	# the temporary/swap location
1310	sub save_path {	1837	sub save_path {
1311	my ($self) = @_;	1838	my ($self) = @_;
1312		1839
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1315	}	1842	}
1316		1843
1317	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1318	sub uniq_path {	1845	sub uniq_path {
1319	my ($self) = @_;	1846	my ($self) = @_;
1320		1847
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1323	}	1850	}
1324		1851
1325	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1326	# all maps in C++...	1853	# all maps in C++...
1327	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1329		1856
1330	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1332	}	1859	}
1333		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1334	sub unlink_save {	1869	sub unlink_save {
1335	my ($self) = @_;	1870	my ($self) = @_;
1336		1871
1337	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1341		1876
1342	sub load_header_from($) {	1877	sub load_header_from($) {
1343	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1344		1879
1345	utf8::encode $path;	1880	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1351		1889
1352	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1353		1891
1354	1	1892	1
1355	}	1893	}
…		…
1394	$self->load_header_orig	1932	$self->load_header_orig
1395	or return;	1933	or return;
1396	$self->prepare_orig;	1934	$self->prepare_orig;
1397	}	1935	}
1398		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
		1940	$self->default_region (cf::region::find_by_path $self->{path})
		1941	unless $self->default_region;
		1942
1399	1	1943	1
1400	}	1944	}
1401		1945
1402	sub find;	1946	sub find;
1403	sub find {	1947	sub find {
1404	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1405		1949
1406	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1407		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1409		1954
1410	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1411	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1412	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1413	or return;	1960	or return;
1414		1961
1415	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1416		1963
1417	$map->load_header	1964	$map->load_header
1418	or return;	1965	or return;
1419		1966
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1423	$map->reset;	1972	$map->reset;
1424	undef $guard;
1425	return find $path;	1973	return find $path;
1426	}	1974	}
1427		1975
1428	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1429	}	1977	}
…		…
1436	my ($self) = @_;	1984	my ($self) = @_;
1437		1985
1438	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1439		1987
1440	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1441	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1442		1992
		1993	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		1995
1445	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1446		1997
1447	$self->alloc;	1998	$self->alloc;
1448		1999
1449	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1450		2002
1451	$self->_load_objects ($self->{load_path}, 1)	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
		2005	$self->_load_objects ($f)
1452	or return;	2006	or return;
1453		2007
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1455	if delete $self->{load_original};	2009	if delete $self->{load_original};
1456		2010
1457	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2012	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2015	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1462	}	2019	}
1463	}	2020	}
1464		2021
1465	Coro::cede;	2022	$f->resolve_delayed_derefs;
1466		2023
		2024	cf::cede_to_tick;
1467	# now do the right thing for maps	2025	# now do the right thing for maps
1468	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2028	unless $self->difficulty;
1478	Coro::cede;	2029	cf::cede_to_tick;
		2030
		2031	unless ($self->{deny_activate}) {
		2032	$self->decay_objects;
		2033	$self->fix_auto_apply;
		2034	$self->update_buttons;
		2035	cf::cede_to_tick;
		2036	$self->set_darkness_map;
		2037	cf::cede_to_tick;
1479	$self->activate;	2038	$self->activate;
		2039	}
		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
		2044	$self->in_memory (cf::MAP_ACTIVE);
1480	}	2045	}
1481		2046
1482	$self->post_load;	2047	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2048	}
1486		2049
1487	sub customise_for {	2050	sub customise_for {
1488	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1489		2052
1490	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2054	if $self->per_player;
1492		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1493	$self	2059	$self
1494	}	2060	}
1495		2061
1496	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2063	sub load_neighbours {
1498	my ($map) = @_;	2064	my ($map) = @_;
1499		2065
1500	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1501		2067
1502	for (0 .. 3) {	2068	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1504	or next;	2070	or next;
1505	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1506	or next;	2072	or next;
1507	$neigh->load;	2073	$neigh->load;
1508		2074
		2075	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2078	}
1512		2079
1513	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1515	or next;	2083	or next;
1516	$neigh->load;	2084	$neigh->load;
1517	}	2085	}
1518	}	2086	}
1519		2087
…		…
1524	}	2092	}
1525		2093
1526	sub do_load_sync {	2094	sub do_load_sync {
1527	my ($map) = @_;	2095	my ($map) = @_;
1528		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1529	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1530	}	2101	}
1531		2102
1532	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1534		2105
1535	sub find_async {	2106	sub find_async {
1536	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1537		2108
1538	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1539		2110
1540	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542	}	2113	}
1543		2114
1544	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1545	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1546	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2122	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2123	$map->load if $v;
		2124	}
1551		2125
1552	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1553	}	2127	}
1554	}	2128	}
1555	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1556	};	2130	};
1557	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2134	}
1561		2135
1562	sub save {	2136	sub save {
1563	my ($self) = @_;	2137	my ($self) = @_;
1564		2138
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2140
1567	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1568		2142
1569	return unless $self->dirty;	2143	return unless $self->dirty;
1570		2144
…		…
1576	return if $self->{deny_save};	2150	return if $self->{deny_save};
1577		2151
1578	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1579		2153
1580	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1582	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1583		2160
1584	if ($uniq) {	2161	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2164	} else {
…		…
1593	my ($self) = @_;	2170	my ($self) = @_;
1594		2171
1595	# save first because save cedes	2172	# save first because save cedes
1596	$self->save;	2173	$self->save;
1597		2174
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2176
1600	return if $self->players;	2177	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1602	return if $self->{deny_save};	2179	return if $self->{deny_save};
1603		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2185	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2186	}
1607		2187
1608	sub reset_at {	2188	sub reset_at {
1609	my ($self) = @_;	2189	my ($self) = @_;
1610		2190
1611	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1614		2193
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2196
…		…
1628	my ($self) = @_;	2207	my ($self) = @_;
1629		2208
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2210
1632	return if $self->players;	2211	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2212
1635	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1636		2214
1637	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1638		2216
1639	# need to save uniques path	2217	# need to save uniques path
1640	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2222	if $uniq;
1645	}	2223	}
1646		2224
1647	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1648		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2229	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2230
1653	$self->unlink_save;	2231	$self->unlink_save;
1654	$self->destroy;	2232	$self->destroy;
1655	}	2233	}
1656		2234
1657	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1658		2236
1659	sub nuke {	2237	sub nuke {
1660	my ($self) = @_;	2238	my ($self) = @_;
1661		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1662	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1663		2244
1664	$self->unlink_save;	2245	$self->unlink_save;
1665		2246
1666	bless $self, "cf::map";	2247	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2252
1672	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1673		2255
1674	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1675	}	2293	}
1676		2294
1677	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1678		2296
1679	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2298	instantiated unique items. May block.
1681		2299
1682	=cut	2300	=cut
1683		2301
1684	sub unique_maps() {	2302	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1686	or return;	2304	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2305	utf8::decode $_;
1692	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2308	? ()
1695	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2311	]
1697
1698	\@paths
1699	}	2312	}
1700
1701	package cf;
1702		2313
1703	=back	2314	=back
1704		2315
1705	=head3 cf::object	2316	=head3 cf::object
1706		2317
…		…
1710		2321
1711	=over 4	2322	=over 4
1712		2323
1713	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1714		2325
1715	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1716		2328
1717	=cut	2329	=cut
1718		2330
1719	sub inv_recursive_;	2331	sub inv_recursive_;
1720	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1723		2335
1724	sub inv_recursive {	2336	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1726	}	2338	}
1727		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1728	package cf;	2368	package cf;
1729		2369
1730	=back	2370	=back
1731		2371
1732	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1738	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1739	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1740	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1741		2381
1742	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1743		2397
1744	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1745	# with dialog boxes.	2399	# with dialog boxes.
1746	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1747	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1749		2403
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2405
1752	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1754	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1757	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1758	}	2431	}
1759		2432
1760	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1761		2434
1762	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1809	$self->deactivate_recursive;	2482	$self->deactivate_recursive;
1810		2483
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2484	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2485
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2487	if $self->map && $self->map->{path} ne "{link}";
1815		2488
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2489	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2490	}
1818		2491
1819	sub cf::object::player::leave_link {	2492	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2493	my ($self, $map, $x, $y) = @_;
		2494
		2495	return unless $self->contr->active;
1821		2496
1822	my $link_pos = delete $self->{_link_pos};	2497	my $link_pos = delete $self->{_link_pos};
1823		2498
1824	unless ($map) {	2499	unless ($map) {
1825	# restore original map position	2500	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2514	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2515	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2516	if $x <=0 && $y <= 0;
1842		2517
1843	$map->load;	2518	$map->load;
1844	$map->load_diag;	2519	$map->load_neighbours;
1845		2520
1846	return unless $self->contr->active;	2521	return unless $self->contr->active;
1847	$self->activate_recursive;	2522	$self->activate_recursive;
1848		2523
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2524	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2525	$self->enter_map ($map, $x, $y);
1851	}	2526	}
1852		2527
1853	cf::player->attach (	2528	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2529
1857	# abort map switching before logout	2530	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2531	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2532	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2533	the new (success) or old (failed) map position. In either case, $done will
1861	};	2534	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2535
1867	# try to abort aborted map switching on player login :)	2536	Note that $check will be called with a potentially non-loaded map, so if
1868	# should happen only on crashes	2537	it needs a loaded map it has to call C<< ->load >>.
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884		2538
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1888		2542
1889	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2548
1892	$self->enter_link;	2549	$self->enter_link;
1893		2550
1894	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1895	my $map = eval {	2573	my $map = eval {
1896	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
		2578	$map = $check->($map) if $check && $map;
		2579	} else {
		2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
		2582
1898	$map	2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2589	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1903	})->prio (1);	2597	})->prio (1);
1904	}	2598	}
1905		2599
1906	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1907		2601
…		…
1927	}	2621	}
1928		2622
1929	sub prepare_random_map {	2623	sub prepare_random_map {
1930	my ($exit) = @_;	2624	my ($exit) = @_;
1931		2625
1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934	# all this does is basically replace the /! path by	2626	# all this does is basically replace the /! path by
1935	# a new random map path (?random/...) with a seed	2627	# a new random map path (?random/...) with a seed
1936	# that depends on the exit object	2628	# that depends on the exit object
1937		2629
1938	my $rmp = parse_random_map_params $exit->msg;	2630	my $rmp = parse_random_map_params $exit->msg;
…		…
1940	if ($exit->map) {	2632	if ($exit->map) {
1941	$rmp->{region} = $exit->region->name;	2633	$rmp->{region} = $exit->region->name;
1942	$rmp->{origin_map} = $exit->map->path;	2634	$rmp->{origin_map} = $exit->map->path;
1943	$rmp->{origin_x} = $exit->x;	2635	$rmp->{origin_x} = $exit->x;
1944	$rmp->{origin_y} = $exit->y;	2636	$rmp->{origin_y} = $exit->y;
		2637
		2638	$exit->map->touch;
1945	}	2639	}
1946		2640
1947	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1948		2642
1949	my $data = cf::to_json $rmp;	2643	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
1952		2646
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2649	undef $fh;
1956	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
1957		2651
		2652	my $slaying = "?random/$md5";
		2653
		2654	if ($exit->valid) {
1958	$exit->slaying ("?random/$md5");	2655	$exit->slaying ("?random/$md5");
1959	$exit->msg (undef);	2656	$exit->msg (undef);
		2657	}
1960	}	2658	}
1961	}	2659	}
1962		2660
1963	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
1964	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
1965		2663
1966	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
1967		2665
1968	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
1970	cf::sync_job { prepare_random_map $exit };
1971	}
1972
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;
1976
1977	$self->enter_link;	2666	$self->enter_link;
1978		2667
1979	(async {	2668	(async {
1980	$self->deactivate_recursive; # just to be sure	2669	$Coro::current->{desc} = "enter_exit";
		2670
1981	unless (eval {	2671	unless (eval {
		2672	$self->deactivate_recursive; # just to be sure
		2673
		2674	# random map handling
		2675	{
		2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2677
		2678	prepare_random_map $exit
		2679	if $exit->slaying eq "/!";
		2680	}
		2681
		2682	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2683	my $x = $exit->stats->hp;
		2684	my $y = $exit->stats->sp;
		2685
1982	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($map, $x, $y);
1983		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($map, $x, $y)
		2690	if $exit->flag (cf::FLAG_DAMNED);
		2691
1984	1;	2692	1
1985	}) {	2693	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2694	$self->message ("Something went wrong deep within the crossfire server. "
1987	. "I'll try to bring you back to the map you were before. "	2695	. "I'll try to bring you back to the map you were before. "
1988	. "Please report this to the dungeon master!",	2696	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2697	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2698
1991	warn "ERROR in enter_exit: $@";	2699	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2700	$self->leave_link;
1993	}	2701	}
1994	})->prio (1);	2702	})->prio (1);
…		…
2010		2718
2011	utf8::encode $text;	2719	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2720	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	2721	}
2014		2722
		2723	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2724
		2725	Send a drawinfo or msg packet to the client, formatting the msg for the
		2726	client if neccessary. C<$type> should be a string identifying the type of
		2727	the message, with C<log> being the default. If C<$color> is negative, suppress
		2728	the message unless the client supports the msg packet.
		2729
		2730	=cut
		2731
		2732	# non-persistent channels (usually the info channel)
		2733	our %CHANNEL = (
		2734	"c/identify" => {
		2735	id => "infobox",
		2736	title => "Identify",
		2737	reply => undef,
		2738	tooltip => "Items recently identified",
		2739	},
		2740	"c/examine" => {
		2741	id => "infobox",
		2742	title => "Examine",
		2743	reply => undef,
		2744	tooltip => "Signs and other items you examined",
		2745	},
		2746	"c/book" => {
		2747	id => "infobox",
		2748	title => "Book",
		2749	reply => undef,
		2750	tooltip => "The contents of a note or book",
		2751	},
		2752	"c/lookat" => {
		2753	id => "infobox",
		2754	title => "Look",
		2755	reply => undef,
		2756	tooltip => "What you saw there",
		2757	},
		2758	"c/who" => {
		2759	id => "infobox",
		2760	title => "Players",
		2761	reply => undef,
		2762	tooltip => "Shows players who are currently online",
		2763	},
		2764	"c/body" => {
		2765	id => "infobox",
		2766	title => "Body Parts",
		2767	reply => undef,
		2768	tooltip => "Shows which body parts you posess and are available",
		2769	},
		2770	"c/uptime" => {
		2771	id => "infobox",
		2772	title => "Uptime",
		2773	reply => undef,
		2774	tooltip => "How long the server has been running since last restart",
		2775	},
		2776	"c/mapinfo" => {
		2777	id => "infobox",
		2778	title => "Map Info",
		2779	reply => undef,
		2780	tooltip => "Information related to the maps",
		2781	},
		2782	"c/party" => {
		2783	id => "party",
		2784	title => "Party",
		2785	reply => "gsay ",
		2786	tooltip => "Messages and chat related to your party",
		2787	},
		2788	);
		2789
		2790	sub cf::client::send_msg {
		2791	my ($self, $channel, $msg, $color, @extra) = @_;
		2792
		2793	$msg = $self->pl->expand_cfpod ($msg);
		2794
		2795	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2796
		2797	# check predefined channels, for the benefit of C
		2798	if ($CHANNEL{$channel}) {
		2799	$channel = $CHANNEL{$channel};
		2800
		2801	$self->ext_msg (channel_info => $channel)
		2802	if $self->can_msg;
		2803
		2804	$channel = $channel->{id};
		2805
		2806	} elsif (ref $channel) {
		2807	# send meta info to client, if not yet sent
		2808	unless (exists $self->{channel}{$channel->{id}}) {
		2809	$self->{channel}{$channel->{id}} = $channel;
		2810	$self->ext_msg (channel_info => $channel)
		2811	if $self->can_msg;
		2812	}
		2813
		2814	$channel = $channel->{id};
		2815	}
		2816
		2817	return unless @extra || length $msg;
		2818
		2819	if ($self->can_msg) {
		2820	# default colour, mask it out
		2821	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2822	if $color & cf::NDI_DEF;
		2823
		2824	my $pkt = "msg "
		2825	. $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2827	);
		2828
		2829	# try lzf for large packets
		2830	$pkt = "lzf " . Compress::LZF::compress $pkt
		2831	if 1024 <= length $pkt and $self->{can_lzf};
		2832
		2833	# split very large packets
		2834	if (8192 < length $pkt and $self->{can_lzf}) {
		2835	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2836	$pkt = "frag";
		2837	}
		2838
		2839	$self->send_packet ($pkt);
		2840	} else {
		2841	if ($color >= 0) {
		2842	# replace some tags by gcfclient-compatible ones
		2843	for ($msg) {
		2844	1 while
		2845	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2846	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2847	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2848	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2849	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2850	}
		2851
		2852	$color &= cf::NDI_COLOR_MASK;
		2853
		2854	utf8::encode $msg;
		2855
		2856	if (0 && $msg =~ /\[/) {
		2857	# COMMAND/INFO
		2858	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2859	} else {
		2860	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2861	$self->send_packet ("drawinfo $color $msg")
		2862	}
		2863	}
		2864	}
		2865	}
		2866
2015	=item $client->ext_event ($type, %msg)	2867	=item $client->ext_msg ($type, @msg)
2016		2868
2017	Sends an exti event to the client.	2869	Sends an ext event to the client.
2018		2870
2019	=cut	2871	=cut
2020		2872
2021	sub cf::client::ext_event($$%) {	2873	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	2874	my ($self, $type, @msg) = @_;
2023		2875
		2876	if ($self->extcmd == 2) {
		2877	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2878	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	2879	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	2880	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2881	}
		2882	}
		2883
		2884	=item $client->ext_reply ($msgid, @msg)
		2885
		2886	Sends an ext reply to the client.
		2887
		2888	=cut
		2889
		2890	sub cf::client::ext_reply($$@) {
		2891	my ($self, $id, @msg) = @_;
		2892
		2893	if ($self->extcmd == 2) {
		2894	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2895	} elsif ($self->extcmd == 1) {
		2896	#TODO: version 1, remove
		2897	unshift @msg, msgtype => "reply", msgid => $id;
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2899	}
2026	}	2900	}
2027		2901
2028	=item $success = $client->query ($flags, "text", \&cb)	2902	=item $success = $client->query ($flags, "text", \&cb)
2029		2903
2030	Queues a query to the client, calling the given callback with	2904	Queues a query to the client, calling the given callback with
2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2905	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2032	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2906	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033		2907
2034	Queries can fail, so check the return code. Or don't, as queries will become	2908	Queries can fail, so check the return code. Or don't, as queries will
2035	reliable at some point in the future.	2909	become reliable at some point in the future.
2036		2910
2037	=cut	2911	=cut
2038		2912
2039	sub cf::client::query {	2913	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2914	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2922	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2923	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2924
2051	$self->send_packet ($self->{query_queue}[0][0])	2925	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2926	if @{ $self->{query_queue} } == 1;
		2927
		2928	1
2053	}	2929	}
2054		2930
2055	cf::client->attach (	2931	cf::client->attach (
		2932	on_connect => sub {
		2933	my ($ns) = @_;
		2934
		2935	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2936	},
2056	on_reply => sub {	2937	on_reply => sub {
2057	my ($ns, $msg) = @_;	2938	my ($ns, $msg) = @_;
2058		2939
2059	# this weird shuffling is so that direct followup queries	2940	# this weird shuffling is so that direct followup queries
2060	# get handled first	2941	# get handled first
…		…
2072	} else {	2953	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2954	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	2955	}
2075	}	2956	}
2076	},	2957	},
		2958	on_exticmd => sub {
		2959	my ($ns, $buf) = @_;
		2960
		2961	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2962
		2963	if (ref $msg) {
		2964	my ($type, $reply, @payload) =
		2965	"ARRAY" eq ref $msg
		2966	? @$msg
		2967	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2968
		2969	my @reply;
		2970
		2971	if (my $cb = $EXTICMD{$type}) {
		2972	@reply = $cb->($ns, @payload);
		2973	}
		2974
		2975	$ns->ext_reply ($reply, @reply)
		2976	if $reply;
		2977
		2978	} else {
		2979	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2980	}
		2981
		2982	cf::override;
		2983	},
2077	);	2984	);
2078		2985
2079	=item $client->async (\&cb)	2986	=item $client->async (\&cb)
2080		2987
2081	Create a new coroutine, running the specified callback. The coroutine will	2988	Create a new coroutine, running the specified callback. The coroutine will
…		…
2122	our $safe = new Safe "safe";	3029	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3030	our $safe_hole = new Safe::Hole;
2124		3031
2125	$SIG{FPE} = 'IGNORE';	3032	$SIG{FPE} = 'IGNORE';
2126		3033
2127	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3034	$safe->permit_only (Opcode::opset qw(
		3035	:base_core :base_mem :base_orig :base_math
		3036	grepstart grepwhile mapstart mapwhile
		3037	sort time
		3038	));
2128		3039
2129	# here we export the classes and methods available to script code	3040	# here we export the classes and methods available to script code
2130		3041
2131	=pod	3042	=pod
2132		3043
2133	The following functions and methods are available within a safe environment:	3044	The following functions and methods are available within a safe environment:
2134		3045
2135	cf::object contr pay_amount pay_player map	3046	cf::object
		3047	contr pay_amount pay_player map x y force_find force_add destroy
		3048	insert remove name archname title slaying race decrease split
		3049
2136	cf::object::player player	3050	cf::object::player
2137	cf::player peaceful	3051	player
2138	cf::map trigger	3052
		3053	cf::player
		3054	peaceful
		3055
		3056	cf::map
		3057	trigger
2139		3058
2140	=cut	3059	=cut
2141		3060
2142	for (	3061	for (
2143	["cf::object" => qw(contr pay_amount pay_player map)],	3062	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3063	insert remove inv nrof name archname title slaying race
		3064	decrease split destroy change_exp)],
2144	["cf::object::player" => qw(player)],	3065	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3066	["cf::player" => qw(peaceful)],
2146	["cf::map" => qw(trigger)],	3067	["cf::map" => qw(trigger)],
2147	) {	3068	) {
2148	no strict 'refs';	3069	no strict 'refs';
…		…
2219	=back	3140	=back
2220		3141
2221	=cut	3142	=cut
2222		3143
2223	#############################################################################	3144	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294
2295	#############################################################################
2296	# the server's init and main functions	3145	# the server's init and main functions
2297		3146
2298	sub load_facedata {	3147	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	3148	my ($path) = @_;
		3149
		3150	# HACK to clear player env face cache, we need some signal framework
		3151	# for this (global event?)
		3152	%ext::player_env::MUSIC_FACE_CACHE = ();
		3153
		3154	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2300		3155
2301	warn "loading facedata from $path\n";	3156	warn "loading facedata from $path\n";
2302		3157
2303	my $faces;	3158	my $facedata;
2304	0 < aio_load $path, $faces	3159	0 < aio_load $path, $facedata
2305	or die "$path: $!";	3160	or die "$path: $!";
2306		3161
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	3162	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		3163
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3164	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3165	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		3166
		3167	# patch in the exptable
		3168	$facedata->{resource}{"res/exp_table"} = {
		3169	type => FT_RSRC,
		3170	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3171	};
		3172	cf::cede_to_tick;
		3173
		3174	{
		3175	my $faces = $facedata->{faceinfo};
		3176
2315	while (my ($face, $info) = each %$faces) {	3177	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3178	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179
		3180	cf::face::set_visibility $idx, $info->{visibility};
		3181	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3182	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3183	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2320	Coro::cede;
2321	}
2322		3184
		3185	cf::cede_to_tick;
		3186	}
		3187
2323	while (my ($face, $info) = each %$faces) {	3188	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3189	next unless $info->{smooth};
		3190
2325	my $idx = cf::face::find $face	3191	my $idx = cf::face::find $face
2326	or next;	3192	or next;
		3193
2327	if (my $smooth = cf::face::find $info->{smooth}) {	3194	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	3195	cf::face::set_smooth $idx, $smooth;
		3196	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	3197	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	3198	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	3199	}
2332	Coro::cede;	3200
		3201	cf::cede_to_tick;
		3202	}
		3203	}
		3204
2333	}	3205	{
		3206	my $anims = $facedata->{animinfo};
		3207
		3208	while (my ($anim, $info) = each %$anims) {
		3209	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3210	cf::cede_to_tick;
		3211	}
		3212
		3213	cf::anim::invalidate_all; # d'oh
		3214	}
		3215
		3216	{
		3217	# TODO: for gcfclient pleasure, we should give resources
		3218	# that gcfclient doesn't grok a >10000 face index.
		3219	my $res = $facedata->{resource};
		3220
		3221	while (my ($name, $info) = each %$res) {
		3222	if (defined $info->{type}) {
		3223	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3224	my $data;
		3225
		3226	if ($info->{type} & 1) {
		3227	# prepend meta info
		3228
		3229	my $meta = $enc->encode ({
		3230	name => $name,
		3231	%{ $info->{meta} || {} },
		3232	});
		3233
		3234	$data = pack "(w/a*)*", $meta, $info->{data};
		3235	} else {
		3236	$data = $info->{data};
		3237	}
		3238
		3239	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3240	cf::face::set_type $idx, $info->{type};
		3241	} else {
		3242	$RESOURCE{$name} = $info;
		3243	}
		3244
		3245	cf::cede_to_tick;
		3246	}
		3247	}
		3248
		3249	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2334		3250
2335	1	3251	1
2336	}	3252	}
2337		3253
		3254	cf::global->attach (on_resource_update => sub {
		3255	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3256	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3257
		3258	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3259	my $sound = $soundconf->{compat}[$_]
		3260	or next;
		3261
		3262	my $face = cf::face::find "sound/$sound->[1]";
		3263	cf::sound::set $sound->[0] => $face;
		3264	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3265	}
		3266
		3267	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3268	my $face = cf::face::find "sound/$v";
		3269	cf::sound::set $k => $face;
		3270	}
		3271	}
		3272	});
		3273
		3274	register_exticmd fx_want => sub {
		3275	my ($ns, $want) = @_;
		3276
		3277	while (my ($k, $v) = each %$want) {
		3278	$ns->fx_want ($k, $v);
		3279	}
		3280	};
		3281
		3282	sub load_resource_file($) {
		3283	my $guard = lock_acquire "load_resource_file";
		3284
		3285	my $status = load_resource_file_ $_[0];
		3286	get_slot 0.1, 100;
		3287	cf::arch::commit_load;
		3288
		3289	$status
		3290	}
		3291
		3292	sub reload_regions {
		3293	# HACK to clear player env face cache, we need some signal framework
		3294	# for this (global event?)
		3295	%ext::player_env::MUSIC_FACE_CACHE = ();
		3296
		3297	load_resource_file "$MAPDIR/regions"
		3298	or die "unable to load regions file\n";
		3299
		3300	for (cf::region::list) {
		3301	$_->{match} = qr/$_->{match}/
		3302	if exists $_->{match};
		3303	}
		3304	}
		3305
		3306	sub reload_facedata {
		3307	load_facedata "$DATADIR/facedata"
		3308	or die "unable to load facedata\n";
		3309	}
		3310
		3311	sub reload_archetypes {
		3312	load_resource_file "$DATADIR/archetypes"
		3313	or die "unable to load archetypes\n";
		3314	}
		3315
		3316	sub reload_treasures {
		3317	load_resource_file "$DATADIR/treasures"
		3318	or die "unable to load treasurelists\n";
		3319	}
		3320
2338	sub reload_resources {	3321	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3322	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3323
2341	load_facedata	3324	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3325	reload_archetypes;
		3326	reload_regions;
		3327	reload_treasures;
		3328
		3329	warn "finished reloading resource files\n";
2343	}	3330	}
2344		3331
2345	sub init {	3332	sub init {
		3333	my $guard = freeze_mainloop;
		3334
		3335	evthread_start IO::AIO::poll_fileno;
		3336
2346	reload_resources;	3337	reload_resources;
2347	}	3338	}
2348		3339
2349	sub cfg_load {	3340	sub reload_config {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	3342	or return;
2352		3343
2353	local $/;	3344	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2355		3346
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2357		3348
2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2365	};	3356	};
2366	warn $@ if $@;	3357	warn $@ if $@;
2367	}	3358	}
2368	}	3359	}
2369		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
2370	sub main {	3380	sub main {
		3381	atomic;
		3382
2371	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2374	(async {	3386	(async {
2375	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2377	};	3390	};
2378		3391
2379	cfg_load;	3392	{
		3393	my $guard = freeze_mainloop;
		3394	reload_config;
2380	db_init;	3395	db_init;
2381	load_extensions;	3396	load_extensions;
2382		3397
2383	$TICK_WATCHER->start;	3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399	}
		3400
		3401	utime time, time, $RUNTIMEFILE;
		3402
		3403	# no (long-running) fork's whatsoever before this point(!)
		3404	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3405
2384	Event::loop;	3406	EV::loop;
2385	}	3407	}
2386		3408
2387	#############################################################################	3409	#############################################################################
2388	# initialisation and cleanup	3410	# initialisation and cleanup
2389		3411
2390	# install some emergency cleanup handlers	3412	# install some emergency cleanup handlers
2391	BEGIN {	3413	BEGIN {
		3414	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3415	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3416	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2394	reentrant => 0,
2395	data => WF_AUTOCANCEL,
2396	signal => $signal,
2397	prio => 0,
2398	cb => sub {
2399	cf::cleanup "SIG$signal";	3417	cf::cleanup "SIG$signal";
2400	},
2401	);	3418	};
		3419	}
		3420	}
		3421
		3422	sub write_runtime_sync {
		3423	# first touch the runtime file to show we are still running:
		3424	# the fsync below can take a very very long time.
		3425
		3426	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3427
		3428	my $guard = cf::lock_acquire "write_runtime";
		3429
		3430	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3431	or return;
		3432
		3433	my $value = $cf::RUNTIME + 90 + 10;
		3434	# 10 is the runtime save interval, for a monotonic clock
		3435	# 60 allows for the watchdog to kill the server.
		3436
		3437	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3438	and return;
		3439
		3440	# always fsync - this file is important
		3441	aio_fsync $fh
		3442	and return;
		3443
		3444	# touch it again to show we are up-to-date
		3445	aio_utime $fh, undef, undef;
		3446
		3447	close $fh
		3448	or return;
		3449
		3450	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3451	and return;
		3452
		3453	warn "runtime file written.\n";
		3454
2402	}	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2403	}	3499	}
2404		3500
2405	sub emergency_save() {	3501	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2407		3503
…		…
2413	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2415	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	3515	$pl->save;
2419	}	3516	}
2420	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2421		3518
2422	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2428	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
2429		3526
2430	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
2432	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2433	};	3534	};
2434		3535
2435	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2436	}	3537	}
2437		3538
2438	sub post_cleanup {	3539	sub post_cleanup {
2439	my ($make_core) = @_;	3540	my ($make_core) = @_;
2440		3541
2441	warn Carp::longmess "post_cleanup backtrace"	3542	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3543	if $make_core;
2443	}
2444		3544
		3545	my $fh = pidfile;
		3546	unlink $PIDFILE if <$fh> == $$;
		3547	}
		3548
		3549	# a safer delete_package, copied from Symbol
		3550	sub clear_package($) {
		3551	my $pkg = shift;
		3552
		3553	# expand to full symbol table name if needed
		3554	unless ($pkg =~ /^main::.*::$/) {
		3555	$pkg = "main$pkg" if $pkg =~ /^::/;
		3556	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3557	$pkg .= '::' unless $pkg =~ /::$/;
		3558	}
		3559
		3560	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3561	my $stem_symtab = *{$stem}{HASH};
		3562
		3563	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3564	or return;
		3565
		3566	# clear all symbols
		3567	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3568	for my $name (keys %$leaf_symtab) {
		3569	_gv_clear *{"$pkg$name"};
		3570	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3571	}
		3572	warn "cleared package #$pkg\n";#d#
		3573	}
		3574
		3575	our $RELOAD; # how many times to reload
		3576
2445	sub reload() {	3577	sub do_reload_perl() {
2446	# can/must only be called in main	3578	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3579	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3580	warn "can only reload from main coroutine";
2449	return;	3581	return;
2450	}	3582	}
2451		3583
		3584	return if $RELOAD++;
		3585
		3586	while ($RELOAD) {
2452	warn "reloading...";	3587	warn "reloading...";
2453		3588
2454	warn "entering sync_job";	3589	warn "entering sync_job";
2455		3590
2456	cf::sync_job {	3591	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
2458	cf::emergency_save;	3593	cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark	3594	cf::write_runtime_sync; # external watchdog should not bark
2460		3595
2461	warn "syncing database to disk";	3596	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;	3597	BDB::db_env_txn_checkpoint $DB_ENV;
2463		3598
2464	# if anything goes wrong in here, we should simply crash as we already saved	3599	# if anything goes wrong in here, we should simply crash as we already saved
2465		3600
2466	warn "cancelling all WF_AUTOCANCEL watchers";
2467	for (Event::all_watchers) {
2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2469	}
2470
2471	warn "flushing outstanding aio requests";	3601	warn "flushing outstanding aio requests";
2472	for (;;) {
2473	BDB::flush;
2474	IO::AIO::flush;
2475	Coro::cede;
2476	last unless IO::AIO::nreqs || BDB::nreqs;	3602	while (IO::AIO::nreqs || BDB::nreqs) {
2477	warn "iterate...";	3603	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2478	}
2479
2480	++$RELOAD;
2481
2482	warn "cancelling all extension coros";
2483	$_->cancel for values %EXT_CORO;
2484	%EXT_CORO = ();
2485
2486	warn "removing commands";
2487	%COMMAND = ();
2488
2489	warn "removing ext commands";
2490	%EXTCMD = ();
2491
2492	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";
2495
2496	if (my $cb = $pkg->can ("unload")) {
2497	eval {
2498	$cb->($pkg);
2499	1
2500	} or warn "$pkg unloaded, but with errors: $@";
2501	}	3604	}
2502		3605
2503	warn "... nuking $pkg";	3606	warn "cancelling all extension coros";
2504	Symbol::delete_package $pkg;	3607	$_->cancel for values %EXT_CORO;
2505	}	3608	%EXT_CORO = ();
2506		3609
2507	warn "unloading all perl modules loaded from $LIBDIR";	3610	warn "removing commands";
2508	while (my ($k, $v) = each %INC) {	3611	%COMMAND = ();
2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2510		3612
		3613	warn "removing ext/exti commands";
		3614	%EXTCMD = ();
		3615	%EXTICMD = ();
		3616
		3617	warn "unloading/nuking all extensions";
		3618	for my $pkg (@EXTS) {
2511	warn "... unloading $k";	3619	warn "... unloading $pkg";
2512	delete $INC{$k};
2513		3620
2514	$k =~ s/\.pm$//;
2515	$k =~ s/\//::/g;
2516
2517	if (my $cb = $k->can ("unload_module")) {	3621	if (my $cb = $pkg->can ("unload")) {
		3622	eval {
2518	$cb->();	3623	$cb->($pkg);
		3624	1
		3625	} or warn "$pkg unloaded, but with errors: $@";
		3626	}
		3627
		3628	warn "... clearing $pkg";
		3629	clear_package $pkg;
2519	}	3630	}
2520		3631
2521	Symbol::delete_package $k;	3632	warn "unloading all perl modules loaded from $LIBDIR";
		3633	while (my ($k, $v) = each %INC) {
		3634	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3635
		3636	warn "... unloading $k";
		3637	delete $INC{$k};
		3638
		3639	$k =~ s/\.pm$//;
		3640	$k =~ s/\//::/g;
		3641
		3642	if (my $cb = $k->can ("unload_module")) {
		3643	$cb->();
		3644	}
		3645
		3646	clear_package $k;
2522	}	3647	}
2523		3648
2524	warn "getting rid of safe::, as good as possible";	3649	warn "getting rid of safe::, as good as possible";
2525	Symbol::delete_package "safe::$_"	3650	clear_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3651	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		3652
2528	warn "unloading cf.pm \"a bit\"";	3653	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3654	delete $INC{"cf.pm"};
		3655	delete $INC{"cf/pod.pm"};
2530		3656
2531	# don't, removes xs symbols, too,	3657	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3658	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3659	#clear_package __PACKAGE__;
2534		3660
2535	warn "unload completed, starting to reload now";	3661	warn "unload completed, starting to reload now";
2536		3662
2537	warn "reloading cf.pm";	3663	warn "reloading cf.pm";
2538	require cf;	3664	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3665	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2540		3666
2541	warn "loading config and database again";	3667	warn "loading config and database again";
2542	cf::cfg_load;	3668	cf::reload_config;
2543		3669
2544	warn "loading extensions";	3670	warn "loading extensions";
2545	cf::load_extensions;	3671	cf::load_extensions;
2546		3672
2547	warn "reattaching attachments to objects/players";	3673	warn "reattaching attachments to objects/players";
2548	_global_reattach; # objects, sockets	3674	_global_reattach; # objects, sockets
2549	warn "reattaching attachments to maps";	3675	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3676	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3677	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3678	reattach $_ for values %PLAYER;
2553		3679
2554	warn "loading reloadable resources";
2555	reload_resources;
2556
2557	warn "leaving sync_job";	3680	warn "leaving sync_job";
2558		3681
2559	1	3682	1
2560	} or do {	3683	} or do {
2561	warn $@;	3684	warn $@;
2562	warn "error while reloading, exiting.";	3685	cf::cleanup "error while reloading, exiting.";
2563	exit 1;	3686	};
		3687
		3688	warn "reloaded";
		3689	--$RELOAD;
		3690	}
		3691	};
		3692
		3693	our $RELOAD_WATCHER; # used only during reload
		3694
		3695	sub reload_perl() {
		3696	# doing reload synchronously and two reloads happen back-to-back,
		3697	# coro crashes during coro_state_free->destroy here.
		3698
		3699	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3700	do_reload_perl;
		3701	undef $RELOAD_WATCHER;
2564	};	3702	};
2565		3703	}
2566	warn "reloaded";
2567	};
2568
2569	our $RELOAD_WATCHER; # used only during reload
2570		3704
2571	register_command "reload" => sub {	3705	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3706	my ($who, $arg) = @_;
2573		3707
2574	if ($who->flag (FLAG_WIZ)) {	3708	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3709	$who->message ("reloading server.");
2576		3710	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	3711	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	3712	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	3713	};
2589	}	3714	}
2590	};	3715	};
2591		3716
2592	unshift @INC, $LIBDIR;	3717	unshift @INC, $LIBDIR;
2593		3718
2594	my $bug_warning = 0;	3719	my $bug_warning = 0;
2595		3720
2596	$TICK_WATCHER = Event->timer (	3721	our @WAIT_FOR_TICK;
2597	reentrant => 0,	3722	our @WAIT_FOR_TICK_BEGIN;
2598	parked => 1,	3723
2599	prio => 0,	3724	sub wait_for_tick {
2600	at => $NEXT_TICK || $TICK,	3725	return if tick_inhibit || $Coro::current == $Coro::main;
2601	data => WF_AUTOCANCEL,	3726
2602	cb => sub {	3727	my $signal = new Coro::Signal;
		3728	push @WAIT_FOR_TICK, $signal;
		3729	$signal->wait;
		3730	}
		3731
		3732	sub wait_for_tick_begin {
		3733	return if tick_inhibit || $Coro::current == $Coro::main;
		3734
		3735	my $signal = new Coro::Signal;
		3736	push @WAIT_FOR_TICK_BEGIN, $signal;
		3737	$signal->wait;
		3738	}
		3739
		3740	sub tick {
2603	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3742	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3743	unless ++$bug_warning > 10;
2606	return;	3744	return;
2607	}	3745	}
2608		3746
2609	$NOW = Event::time;
2610
2611	cf::server_tick; # one server iteration	3747	cf::server_tick; # one server iteration
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		3748
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3749	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3750	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	3751	Coro::async_pool {
		3752	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	3753	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	3754	or warn "ERROR: unable to write runtime file: $!";
2620	};
2621	}	3755	};
2622
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#
2628
2629	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2631
2632	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;
2634	},	3756	}
2635	);	3757
		3758	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3759	$sig->send;
		3760	}
		3761	while (my $sig = shift @WAIT_FOR_TICK) {
		3762	$sig->send;
		3763	}
		3764
		3765	$LOAD = ($NOW - $TICK_START) / $TICK;
		3766	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3767
		3768	if (0) {
		3769	if ($NEXT_TICK) {
		3770	my $jitter = $TICK_START - $NEXT_TICK;
		3771	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3772	warn "jitter $JITTER\n";#d#
		3773	}
		3774	}
		3775	}
2636		3776
2637	{	3777	{
2638	BDB::max_poll_time $TICK * 0.1;	3778	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	3779
2640	reentrant => 0,
2641	fd => BDB::poll_fileno,
2642	poll => 'r',
2643	prio => 0,
2644	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,
2646	);
2647	BDB::min_parallel 8;	3780	BDB::min_parallel 8;
2648		3781	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	3782	$AnyEvent::BDB::WATCHER->priority (1);
2650	my $status;
2651	my $current = $Coro::current;
2652	(
2653	sub {
2654	$status = $!;
2655	$current->ready; undef $current;
2656	},
2657	sub {
2658	Coro::schedule while defined $current;
2659	$! = $status;
2660	},
2661	)
2662	};
2663		3783
2664	unless ($DB_ENV) {	3784	unless ($DB_ENV) {
2665	$DB_ENV = BDB::db_env_create;	3785	$DB_ENV = BDB::db_env_create;
		3786	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3787	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3788	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3789	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3790	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2666		3791
2667	cf::sync_job {	3792	cf::sync_job {
2668	eval {	3793	eval {
2669	BDB::db_env_open	3794	BDB::db_env_open
2670	$DB_ENV,	3795	$DB_ENV,
2671	$BDB_ENV_DIR,	3796	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3797	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3798	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3799	0666;
2675		3800
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3801	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	3802	};
2681		3803
2682	cf::cleanup "db_env_open(db): $@" if $@;	3804	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	3805	};
2684	}	3806	}
		3807
		3808	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3809	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3810	};
		3811	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3812	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3813	};
		3814	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3815	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3816	};
2685	}	3817	}
2686		3818
2687	{	3819	{
		3820	# configure IO::AIO
		3821
2688	IO::AIO::min_parallel 8;	3822	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	3823	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	3824	undef $AnyEvent::AIO::WATCHER;
2693	reentrant => 0,
2694	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,
2696	poll => 'r',
2697	prio => 6,
2698	cb => \&IO::AIO::poll_cb,
2699	);
2700	}	3825	}
		3826
		3827	my $_log_backtrace;
		3828
		3829	sub _log_backtrace {
		3830	my ($msg, @addr) = @_;
		3831
		3832	$msg =~ s/\n//;
		3833
		3834	# limit the # of concurrent backtraces
		3835	if ($_log_backtrace < 2) {
		3836	++$_log_backtrace;
		3837	async {
		3838	$Coro::current->{desc} = "abt $msg";
		3839
		3840	my @bt = fork_call {
		3841	@addr = map { sprintf "%x", $_ } @addr;
		3842	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3843	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3844	or die "addr2line: $!";
		3845
		3846	my @funcs;
		3847	my @res = <$fh>;
		3848	chomp for @res;
		3849	while (@res) {
		3850	my ($func, $line) = splice @res, 0, 2, ();
		3851	push @funcs, "[$func] $line";
		3852	}
		3853
		3854	@funcs
		3855	};
		3856
		3857	LOG llevInfo, "[ABT] $msg\n";
		3858	LOG llevInfo, "[ABT] $_\n" for @bt;
		3859	--$_log_backtrace;
		3860	};
		3861	} else {
		3862	LOG llevInfo, "[ABT] $msg\n";
		3863	LOG llevInfo, "[ABT] [suppressed]\n";
		3864	}
		3865	}
		3866
		3867	# load additional modules
		3868	use cf::pod;
2701		3869
2702	END { cf::emergency_save }	3870	END { cf::emergency_save }
2703		3871
2704	1	3872	1
2705		3873

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