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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.447 by root, Fri Sep 19 01:39:45 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.
…		…
392		730
393	#############################################################################	731	#############################################################################
394		732
395	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
396		734
397	Many objects in crossfire are so-called attachable objects. That means you can	735	Many objects in deliantra are so-called attachable objects. That means you can
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
…		…
452	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
453		791
454	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
456		794
457	Some classes such as crossfire maps and objects can specify attachments	795	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	796	that are attached at load/instantiate time, thus the need for a name.
459		797
460	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
461		799
462	=over 4	800	=over 4
…		…
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 deliantra objects.
940		1394
941	=cut	1395	=cut
942		1396
943	package cf::player;	1397	package cf::player;
944		1398
…		…
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];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
997		1462
998	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
999	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;
1000	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1001	}	1472	}
1002	}	1473	}
1003	}	1474	}
1004		1475
…		…
1013	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1014		1485
1015	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1017		1488
		1489	cf::get_slot 0.01;
		1490
1018	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1019	Coro::cede;	1492	cf::cede_to_tick;
1020	}	1493	}
1021		1494
1022	sub new($) {	1495	sub new($) {
1023	my ($login) = @_;	1496	my ($login) = @_;
1024		1497
…		…
1030	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1031		1504
1032	$self	1505	$self
1033	}	1506	}
1034		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
1035	=item $pl->quit_character	1518	=item $pl->quit_character
1036		1519
1037	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1039		1522
…		…
1043	my ($pl) = @_;	1526	my ($pl) = @_;
1044		1527
1045	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1046		1529
1047	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1048	$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
1049		1532
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1054		1539
1055	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1087		1572
1088	=cut	1573	=cut
1089		1574
1090	sub list_logins {	1575	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1577	or return [];
1093		1578
1094	my @logins;	1579	my @logins;
1095		1580
1096	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") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1100		1591
1101	utf8::decode $login;	1592	utf8::decode $login;
1102	push @logins, $login;	1593	push @logins, $login;
1103	}	1594	}
1104		1595
…		…
1131	}	1622	}
1132		1623
1133	\@paths	1624	\@paths
1134	}	1625	}
1135		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1628
		1629	Expand deliantra pod fragments into protocol xml.
		1630
1136	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1137		1632
1138	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1139		1634
1140	=cut	1635	=cut
1141		1636
1142	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1144		1639
1145	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1641	}
1149		1642
1150	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1151		1644
1152	Sends an ext event to the client.	1645	Sends an ext event to the client.
1153		1646
1154	=cut	1647	=cut
1155		1648
1156	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1158		1651
1159	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1160	}	1653	}
1161		1654
1162	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	}
1163		1683
1164	=back	1684	=back
1165
1166		1685
1167	=head3 cf::map	1686	=head3 cf::map
1168		1687
1169	=over 4	1688	=over 4
1170		1689
…		…
1182	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1184		1703
1185	sub generate_random_map {	1704	sub generate_random_map {
1186	my ($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
1187	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1710	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1225	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1226		1748
1227	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1228	local $self->{path};	1750	local $self->{path};
1229	local $self->{load_path};	1751	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1752
1233	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1234	}	1754	}
1235		1755
1236	sub normalise {	1756	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1284	return $self;	1804	return $self;
1285	}	1805	}
1286	}	1806	}
1287		1807
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1809	()
1290	}	1810	}
1291		1811
1292	sub init {	1812	sub init {
1293	my ($self) = @_;	1813	my ($self) = @_;
…		…
1308		1828
1309	# the original (read-only) location	1829	# the original (read-only) location
1310	sub load_path {	1830	sub load_path {
1311	my ($self) = @_;	1831	my ($self) = @_;
1312		1832
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1314	}	1834	}
1315		1835
1316	# the temporary/swap location	1836	# the temporary/swap location
1317	sub save_path {	1837	sub save_path {
1318	my ($self) = @_;	1838	my ($self) = @_;
1319		1839
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1322	}	1842	}
1323		1843
1324	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1325	sub uniq_path {	1845	sub uniq_path {
1326	my ($self) = @_;	1846	my ($self) = @_;
1327		1847
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1330	}	1850	}
1331		1851
1332	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1333	# all maps in C++...	1853	# all maps in C++...
1334	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1336		1856
1337	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1339	}	1859	}
1340		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1341	sub unlink_save {	1869	sub unlink_save {
1342	my ($self) = @_;	1870	my ($self) = @_;
1343		1871
1344	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1348		1876
1349	sub load_header_from($) {	1877	sub load_header_from($) {
1350	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1351		1879
1352	utf8::encode $path;	1880	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	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;
1358		1889
1359	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1360		1891
1361	1	1892	1
1362	}	1893	}
…		…
1401	$self->load_header_orig	1932	$self->load_header_orig
1402	or return;	1933	or return;
1403	$self->prepare_orig;	1934	$self->prepare_orig;
1404	}	1935	}
1405		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 $self->default_region;
		1942
1406	1	1943	1
1407	}	1944	}
1408		1945
1409	sub find;	1946	sub find;
1410	sub find {	1947	sub find {
1411	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1412		1949
1413	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1414		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1416		1954
1417	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1418	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1419	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1420	or return;	1960	or return;
1421		1961
1422	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1423		1963
1424	$map->load_header	1964	$map->load_header
1425	or return;	1965	or return;
1426		1966
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1430	$map->reset;	1972	$map->reset;
1431	undef $guard;
1432	return find $path;	1973	return find $path;
1433	}	1974	}
1434		1975
1435	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1436	}	1977	}
…		…
1443	my ($self) = @_;	1984	my ($self) = @_;
1444		1985
1445	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1446		1987
1447	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1448	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1449		1992
		1993	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		1995
1452	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1453		1997
1454	$self->alloc;	1998	$self->alloc;
1455		1999
1456	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1457		2002
1458	$self->_load_objects ($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)
1459	or return;	2006	or return;
1460		2007
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1462	if delete $self->{load_original};	2009	if delete $self->{load_original};
1463		2010
1464	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2012	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2015	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1469	}	2019	}
1470	}	2020	}
1471		2021
1472	Coro::cede;	2022	$f->resolve_delayed_derefs;
1473		2023
		2024	cf::cede_to_tick;
1474	# now do the right thing for maps	2025	# now do the right thing for maps
1475	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2028	unless $self->difficulty;
1485	Coro::cede;	2029	cf::cede_to_tick;
		2030
		2031	unless ($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;
1486	$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);
1487	}	2045	}
1488		2046
1489	$self->post_load;	2047	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2048	}
1493		2049
1494	sub customise_for {	2050	sub customise_for {
1495	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1496		2052
1497	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2054	if $self->per_player;
1499		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1500	$self	2059	$self
1501	}	2060	}
1502		2061
1503	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2063	sub load_neighbours {
1505	my ($map) = @_;	2064	my ($map) = @_;
1506		2065
1507	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1508		2067
1509	for (0 .. 3) {	2068	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1511	or next;	2070	or next;
1512	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1513	or next;	2072	or next;
1514	$neigh->load;	2073	$neigh->load;
1515		2074
		2075	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2078	}
1519		2079
1520	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1522	or next;	2083	or next;
1523	$neigh->load;	2084	$neigh->load;
1524	}	2085	}
1525	}	2086	}
1526		2087
…		…
1531	}	2092	}
1532		2093
1533	sub do_load_sync {	2094	sub do_load_sync {
1534	my ($map) = @_;	2095	my ($map) = @_;
1535		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1536	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1537	}	2101	}
1538		2102
1539	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1541		2105
1542	sub find_async {	2106	sub find_async {
1543	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1544		2108
1545	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1546		2110
1547	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2113	}
1550		2114
1551	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1552	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1553	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2122	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2123	$map->load if $v;
		2124	}
1558		2125
1559	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1560	}	2127	}
1561	}	2128	}
1562	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1563	};	2130	};
1564	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2134	}
1568		2135
1569	sub save {	2136	sub save {
1570	my ($self) = @_;	2137	my ($self) = @_;
1571		2138
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2140
1574	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1575		2142
1576	return unless $self->dirty;	2143	return unless $self->dirty;
1577		2144
…		…
1583	return if $self->{deny_save};	2150	return if $self->{deny_save};
1584		2151
1585	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1586		2153
1587	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1589	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1590		2160
1591	if ($uniq) {	2161	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2164	} else {
…		…
1600	my ($self) = @_;	2170	my ($self) = @_;
1601		2171
1602	# save first because save cedes	2172	# save first because save cedes
1603	$self->save;	2173	$self->save;
1604		2174
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2176
1607	return if $self->players;	2177	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1609	return if $self->{deny_save};	2179	return if $self->{deny_save};
1610		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2185	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2186	}
1614		2187
1615	sub reset_at {	2188	sub reset_at {
1616	my ($self) = @_;	2189	my ($self) = @_;
1617		2190
1618	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1621		2193
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2196
…		…
1635	my ($self) = @_;	2207	my ($self) = @_;
1636		2208
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2210
1639	return if $self->players;	2211	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2212
1642	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1643		2214
1644	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1645		2216
1646	# need to save uniques path	2217	# need to save uniques path
1647	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2222	if $uniq;
1652	}	2223	}
1653		2224
1654	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1655		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2229	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2230
1660	$self->unlink_save;	2231	$self->unlink_save;
1661	$self->destroy;	2232	$self->destroy;
1662	}	2233	}
1663		2234
1664	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1665		2236
1666	sub nuke {	2237	sub nuke {
1667	my ($self) = @_;	2238	my ($self) = @_;
1668		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1669	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1670		2244
1671	$self->unlink_save;	2245	$self->unlink_save;
1672		2246
1673	bless $self, "cf::map";	2247	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2252
1679	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1680		2255
1681	$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	]
1682	}	2293	}
1683		2294
1684	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1685		2296
1686	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2298	instantiated unique items. May block.
1688		2299
1689	=cut	2300	=cut
1690		2301
1691	sub unique_maps() {	2302	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1693	or return;	2304	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2305	utf8::decode $_;
1699	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2308	? ()
1702	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2311	]
1704
1705	\@paths
1706	}	2312	}
1707
1708	package cf;
1709		2313
1710	=back	2314	=back
1711		2315
1712	=head3 cf::object	2316	=head3 cf::object
1713		2317
…		…
1717		2321
1718	=over 4	2322	=over 4
1719		2323
1720	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1721		2325
1722	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.
1723		2328
1724	=cut	2329	=cut
1725		2330
1726	sub inv_recursive_;	2331	sub inv_recursive_;
1727	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1730		2335
1731	sub inv_recursive {	2336	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1733	}	2338	}
1734		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
1735	package cf;	2368	package cf;
1736		2369
1737	=back	2370	=back
1738		2371
1739	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1745	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>
1746	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
1747	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1748		2381
1749	=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	};
1750		2397
1751	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2399	# with dialog boxes.
1753	#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
1754	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1756		2403
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2405
1759	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1761	} 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 {
1762	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1764	}	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 (@_);
1765	}	2431	}
1766		2432
1767	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1768		2434
1769	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1782		2448
1783	=item $player_object->enter_link	2449	=item $player_object->enter_link
1784		2450
1785	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1786		2452
1787	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1788	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1789		2457
1790	Will never block.	2458	Will never block.
1791		2459
1792	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1793		2461
…		…
1816	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1817		2485
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2487
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1822		2490
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2492	}
1825		2493
1826	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1828		2498
1829	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1830		2500
1831	unless ($map) {	2501	unless ($map) {
1832	# restore original map position	2502	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1849		2519
1850	$map->load;	2520	$map->load;
1851	$map->load_diag;	2521	$map->load_neighbours;
1852		2522
1853	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1854	$self->activate_recursive;	2525	$self->activate_recursive;
1855		2526
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1858	}	2529	}
1859		2530
1860	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2532
1864	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1868	};	2537	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2538
1874	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1875	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2541
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1895		2545
1896	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
		2548
		2549	# do generation counting so two concurrent goto's will be executed in-order
		2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2551
1899	$self->enter_link;	2552	$self->enter_link;
1900		2553
1901	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
1902	my $map = eval {	2576	my $map = eval {
1903	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2580	$map = $map->customise_for ($self);
		2581	$map = $check->($map) if $check && $map;
		2582	} else {
		2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2584	}
		2585
1905	$map	2586	$map
		2587	};
		2588
		2589	if ($@) {
		2590	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2591	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2592	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1910	})->prio (1);	2600	})->prio (1);
1911	}	2601	}
1912		2602
1913	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1914		2604
…		…
1934	}	2624	}
1935		2625
1936	sub prepare_random_map {	2626	sub prepare_random_map {
1937	my ($exit) = @_;	2627	my ($exit) = @_;
1938		2628
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2631	# that depends on the exit object
1944		2632
1945	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2635	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1952	}	2642	}
1953		2643
1954	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1955		2645
1956	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1959		2649
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2652	undef $fh;
1963	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1964		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
1967	}	2661	}
1968	}	2662	}
1969		2663
1970	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
1972		2666
1973	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1974		2668
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2669	$self->enter_link;
1987		2670
1988	(async {	2671	(async {
1989	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
1990	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
1991	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
1992		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
1993	1;	2695	1
1994	}) {	2696	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2701
2000	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
…		…
2019		2721
2020	utf8::encode $text;	2722	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2724	}
2023		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
		2798
		2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2800
		2801	# check predefined channels, for the benefit of C
		2802	if ($CHANNEL{$channel}) {
		2803	$channel = $CHANNEL{$channel};
		2804
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807
		2808	$channel = $channel->{id};
		2809
		2810	} elsif (ref $channel) {
		2811	# send meta info to client, if not yet sent
		2812	unless (exists $self->{channel}{$channel->{id}}) {
		2813	$self->{channel}{$channel->{id}} = $channel;
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816	}
		2817
		2818	$channel = $channel->{id};
		2819	}
		2820
		2821	return unless @extra || length $msg;
		2822
		2823	if ($self->can_msg) {
		2824	# default colour, mask it out
		2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2826	if $color & cf::NDI_DEF;
		2827
		2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
		2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
		2844	} else {
		2845	if ($color >= 0) {
		2846	# replace some tags by gcfclient-compatible ones
		2847	for ($msg) {
		2848	1 while
		2849	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2850	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2851	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2852	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2853	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2854	}
		2855
		2856	$color &= cf::NDI_COLOR_MASK;
		2857
		2858	utf8::encode $msg;
		2859
		2860	if (0 && $msg =~ /\[/) {
		2861	# COMMAND/INFO
		2862	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2863	} else {
		2864	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2865	$self->send_packet ("drawinfo $color $msg")
		2866	}
		2867	}
		2868	}
		2869	}
		2870
2024	=item $client->ext_event ($type, %msg)	2871	=item $client->ext_msg ($type, @msg)
2025		2872
2026	Sends an exti event to the client.	2873	Sends an ext event to the client.
2027		2874
2028	=cut	2875	=cut
2029		2876
2030	sub cf::client::ext_event($$%) {	2877	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2878	my ($self, $type, @msg) = @_;
2032		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2882	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2883	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2884	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2885	}
		2886	}
		2887
		2888	=item $client->ext_reply ($msgid, @msg)
		2889
		2890	Sends an ext reply to the client.
		2891
		2892	=cut
		2893
		2894	sub cf::client::ext_reply($$@) {
		2895	my ($self, $id, @msg) = @_;
		2896
		2897	if ($self->extcmd == 2) {
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2899	} elsif ($self->extcmd == 1) {
		2900	#TODO: version 1, remove
		2901	unshift @msg, msgtype => "reply", msgid => $id;
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
2035	}	2904	}
2036		2905
2037	=item $success = $client->query ($flags, "text", \&cb)	2906	=item $success = $client->query ($flags, "text", \&cb)
2038		2907
2039	Queues a query to the client, calling the given callback with	2908	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2909	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2910	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2911
2043	Queries can fail, so check the return code. Or don't, as queries will become	2912	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2913	become reliable at some point in the future.
2045		2914
2046	=cut	2915	=cut
2047		2916
2048	sub cf::client::query {	2917	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2918	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2926	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2927	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2928
2060	$self->send_packet ($self->{query_queue}[0][0])	2929	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2930	if @{ $self->{query_queue} } == 1;
		2931
		2932	1
2062	}	2933	}
2063		2934
2064	cf::client->attach (	2935	cf::client->attach (
		2936	on_connect => sub {
		2937	my ($ns) = @_;
		2938
		2939	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2940	},
2065	on_reply => sub {	2941	on_reply => sub {
2066	my ($ns, $msg) = @_;	2942	my ($ns, $msg) = @_;
2067		2943
2068	# this weird shuffling is so that direct followup queries	2944	# this weird shuffling is so that direct followup queries
2069	# get handled first	2945	# get handled first
…		…
2081	} else {	2957	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2959	}
2084	}	2960	}
2085	},	2961	},
		2962	on_exticmd => sub {
		2963	my ($ns, $buf) = @_;
		2964
		2965	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2966
		2967	if (ref $msg) {
		2968	my ($type, $reply, @payload) =
		2969	"ARRAY" eq ref $msg
		2970	? @$msg
		2971	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2972
		2973	my @reply;
		2974
		2975	if (my $cb = $EXTICMD{$type}) {
		2976	@reply = $cb->($ns, @payload);
		2977	}
		2978
		2979	$ns->ext_reply ($reply, @reply)
		2980	if $reply;
		2981
		2982	} else {
		2983	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2984	}
		2985
		2986	cf::override;
		2987	},
2086	);	2988	);
2087		2989
2088	=item $client->async (\&cb)	2990	=item $client->async (\&cb)
2089		2991
2090	Create a new coroutine, running the specified callback. The coroutine will	2992	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3033	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3034	our $safe_hole = new Safe::Hole;
2133		3035
2134	$SIG{FPE} = 'IGNORE';	3036	$SIG{FPE} = 'IGNORE';
2135		3037
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3038	$safe->permit_only (Opcode::opset qw(
		3039	:base_core :base_mem :base_orig :base_math
		3040	grepstart grepwhile mapstart mapwhile
		3041	sort time
		3042	));
2137		3043
2138	# here we export the classes and methods available to script code	3044	# here we export the classes and methods available to script code
2139		3045
2140	=pod	3046	=pod
2141		3047
2142	The following functions and methods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2143		3049
2144	cf::object contr pay_amount pay_player map	3050	cf::object
		3051	contr pay_amount pay_player map x y force_find force_add destroy
		3052	insert remove name archname title slaying race decrease split
		3053
2145	cf::object::player player	3054	cf::object::player
2146	cf::player peaceful	3055	player
2147	cf::map trigger	3056
		3057	cf::player
		3058	peaceful
		3059
		3060	cf::map
		3061	trigger
2148		3062
2149	=cut	3063	=cut
2150		3064
2151	for (	3065	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3067	insert remove inv nrof name archname title slaying race
		3068	decrease split destroy change_exp)],
2153	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2156	) {	3072	) {
2157	no strict 'refs';	3073	no strict 'refs';
…		…
2228	=back	3144	=back
2229		3145
2230	=cut	3146	=cut
2231		3147
2232	#############################################################################	3148	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3149	# the server's init and main functions
2306		3150
2307	sub load_facedata {	3151	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3152	my ($path) = @_;
		3153
		3154	# HACK to clear player env face cache, we need some signal framework
		3155	# for this (global event?)
		3156	%ext::player_env::MUSIC_FACE_CACHE = ();
		3157
		3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3159
2310	warn "loading facedata from $path\n";	3160	warn "loading facedata from $path\n";
2311		3161
2312	my $facedata;	3162	my $facedata;
2313	0 < aio_load $path, $facedata	3163	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3164	or die "$path: $!";
2315		3165
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	3166	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3167
2320	$facedata->{version} == 2	3168	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3169	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3170
		3171	# patch in the exptable
		3172	$facedata->{resource}{"res/exp_table"} = {
		3173	type => FT_RSRC,
		3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3175	};
		3176	cf::cede_to_tick;
		3177
2323	{	3178	{
2324	my $faces = $facedata->{faceinfo};	3179	my $faces = $facedata->{faceinfo};
2325		3180
2326	while (my ($face, $info) = each %$faces) {	3181	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3183
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3184	cf::face::set_visibility $idx, $info->{visibility};
		3185	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3188
		3189	cf::cede_to_tick;
2332	}	3190	}
2333		3191
2334	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3193	next unless $info->{smooth};
		3194
2336	my $idx = cf::face::find $face	3195	my $idx = cf::face::find $face
2337	or next;	3196	or next;
		3197
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3198	if (my $smooth = cf::face::find $info->{smooth}) {
		3199	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3201	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3203	}
2343	Coro::cede;	3204
		3205	cf::cede_to_tick;
2344	}	3206	}
2345	}	3207	}
2346		3208
2347	{	3209	{
2348	my $anims = $facedata->{animinfo};	3210	my $anims = $facedata->{animinfo};
2349		3211
2350	while (my ($anim, $info) = each %$anims) {	3212	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3213	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3214	cf::cede_to_tick;
2353	}	3215	}
2354		3216
2355	cf::anim::invalidate_all; # d'oh	3217	cf::anim::invalidate_all; # d'oh
2356	}	3218	}
2357		3219
		3220	{
		3221	# TODO: for gcfclient pleasure, we should give resources
		3222	# that gcfclient doesn't grok a >10000 face index.
		3223	my $res = $facedata->{resource};
		3224
		3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
		3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3228	my $data;
		3229
		3230	if ($info->{type} & 1) {
		3231	# prepend meta info
		3232
		3233	my $meta = $enc->encode ({
		3234	name => $name,
		3235	%{ $info->{meta} || {} },
		3236	});
		3237
		3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
		3245	} else {
		3246	$RESOURCE{$name} = $info;
		3247	}
		3248
		3249	cf::cede_to_tick;
		3250	}
		3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3254
2358	1	3255	1
2359	}	3256	}
2360		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
		3277
		3278	register_exticmd fx_want => sub {
		3279	my ($ns, $want) = @_;
		3280
		3281	while (my ($k, $v) = each %$want) {
		3282	$ns->fx_want ($k, $v);
		3283	}
		3284	};
		3285
		3286	sub load_resource_file($) {
		3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
		3295
		3296	sub reload_regions {
		3297	# HACK to clear player env face cache, we need some signal framework
		3298	# for this (global event?)
		3299	%ext::player_env::MUSIC_FACE_CACHE = ();
		3300
		3301	load_resource_file "$MAPDIR/regions"
		3302	or die "unable to load regions file\n";
		3303
		3304	for (cf::region::list) {
		3305	$_->{match} = qr/$_->{match}/
		3306	if exists $_->{match};
		3307	}
		3308	}
		3309
		3310	sub reload_facedata {
		3311	load_facedata "$DATADIR/facedata"
		3312	or die "unable to load facedata\n";
		3313	}
		3314
		3315	sub reload_archetypes {
		3316	load_resource_file "$DATADIR/archetypes"
		3317	or die "unable to load archetypes\n";
		3318	}
		3319
		3320	sub reload_treasures {
		3321	load_resource_file "$DATADIR/treasures"
		3322	or die "unable to load treasurelists\n";
		3323	}
		3324
2361	sub reload_resources {	3325	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3326	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3327
2364	load_facedata	3328	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3329	reload_archetypes;
		3330	reload_regions;
		3331	reload_treasures;
		3332
		3333	warn "finished reloading resource files\n";
2366	}	3334	}
2367		3335
2368	sub init {	3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
2369	reload_resources;	3341	reload_resources;
2370	}	3342	}
2371		3343
2372	sub cfg_load {	3344	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3346	or return;
2375		3347
2376	local $/;	3348	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
2378		3350
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3352
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2388	};	3360	};
2389	warn $@ if $@;	3361	warn $@ if $@;
2390	}	3362	}
2391	}	3363	}
2392		3364
		3365	sub pidfile() {
		3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
		3382	}
		3383
2393	sub main {	3384	sub main {
		3385	atomic;
		3386
2394	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3390	(async {
2398	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
2400	};	3394	};
2401		3395
2402	cfg_load;	3396	{
		3397	my $guard = freeze_mainloop;
		3398	reload_config;
2403	db_init;	3399	db_init;
2404	load_extensions;	3400	load_extensions;
2405		3401
2406	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
2407	Event::loop;	3410	EV::loop;
2408	}	3411	}
2409		3412
2410	#############################################################################	3413	#############################################################################
2411	# initialisation and cleanup	3414	# initialisation and cleanup
2412		3415
2413	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
2414	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
2423	},
2424	);	3422	};
		3423	}
		3424	}
		3425
		3426	sub write_runtime_sync {
		3427	# first touch the runtime file to show we are still running:
		3428	# the fsync below can take a very very long time.
		3429
		3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3431
		3432	my $guard = cf::lock_acquire "write_runtime";
		3433
		3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3435	or return;
		3436
		3437	my $value = $cf::RUNTIME + 90 + 10;
		3438	# 10 is the runtime save interval, for a monotonic clock
		3439	# 60 allows for the watchdog to kill the server.
		3440
		3441	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3442	and return;
		3443
		3444	# always fsync - this file is important
		3445	aio_fsync $fh
		3446	and return;
		3447
		3448	# touch it again to show we are up-to-date
		3449	aio_utime $fh, undef, undef;
		3450
		3451	close $fh
		3452	or return;
		3453
		3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3455	and return;
		3456
		3457	warn "runtime file written.\n";
		3458
2425	}	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
2426	}	3503	}
2427		3504
2428	sub emergency_save() {	3505	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
2430		3507
…		…
2436	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3519	$pl->save;
2442	}	3520	}
2443	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
2444		3522
2445	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
2451	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
2452		3530
2453	warn "begin emergency database checkpoint\n";	3531	warn "begin emergency database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3532	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
2456	};	3538	};
2457		3539
2458	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
2459	}	3541	}
2460		3542
2461	sub post_cleanup {	3543	sub post_cleanup {
2462	my ($make_core) = @_;	3544	my ($make_core) = @_;
2463		3545
2464	warn Carp::longmess "post_cleanup backtrace"	3546	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3547	if $make_core;
2466	}
2467		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
		3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
		3580
2468	sub reload() {	3581	sub do_reload_perl() {
2469	# can/must only be called in main	3582	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
2472	return;	3585	return;
2473	}	3586	}
2474		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
2475	warn "reloading...";	3591	warn "reloading...";
2476		3592
2477	warn "entering sync_job";	3593	warn "entering sync_job";
2478		3594
2479	cf::sync_job {	3595	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3597	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2483		3599
2484	warn "syncing database to disk";	3600	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3602
2487	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2488		3604
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3606	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3608	}
2525		3609
2526	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
2528	}	3612	%EXT_CORO = ();
2529		3613
2530	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3623	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3624
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
2541	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
2542	}	3634	}
2543		3635
2544	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
2545	}	3651	}
2546		3652
2547	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3656
2551	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2553		3660
2554	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3662	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
2557		3664
2558	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
2559		3666
2560	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2561	require cf;	3668	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3670
2564	warn "loading config and database again";	3671	warn "loading config and database again";
2565	cf::cfg_load;	3672	cf::reload_config;
2566		3673
2567	warn "loading extensions";	3674	warn "loading extensions";
2568	cf::load_extensions;	3675	cf::load_extensions;
2569		3676
2570	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3678	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3681	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3682	reattach $_ for values %PLAYER;
2576		3683
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3684	warn "leaving sync_job";
2581		3685
2582	1	3686	1
2583	} or do {	3687	} or do {
2584	warn $@;	3688	warn $@;
2585	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3690	};
		3691
		3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
		3695	};
		3696
		3697	our $RELOAD_WATCHER; # used only during reload
		3698
		3699	sub reload_perl() {
		3700	# doing reload synchronously and two reloads happen back-to-back,
		3701	# coro crashes during coro_state_free->destroy here.
		3702
		3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3704	do_reload_perl;
		3705	undef $RELOAD_WATCHER;
2587	};	3706	};
2588		3707	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3708
2594	register_command "reload" => sub {	3709	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
2596		3711
2597	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
2599		3714	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3715	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3716	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3717	};
2612	}	3718	}
2613	};	3719	};
2614		3720
2615	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
2616		3722
2617	my $bug_warning = 0;	3723	my $bug_warning = 0;
2618		3724
2619	$TICK_WATCHER = Event->timer (	3725	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3726	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3727
2622	prio => 0,	3728	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3729	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3730
2625	cb => sub {	3731	my $signal = new Coro::Signal;
		3732	push @WAIT_FOR_TICK, $signal;
		3733	$signal->wait;
		3734	}
		3735
		3736	sub wait_for_tick_begin {
		3737	return if tick_inhibit || $Coro::current == $Coro::main;
		3738
		3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK_BEGIN, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub tick {
2626	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
2629	return;	3748	return;
2630	}	3749	}
2631		3750
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3752
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3755	Coro::async_pool {
		3756	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3757	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3758	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3759	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3760	}
2658	);	3761
		3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3763	$sig->send;
		3764	}
		3765	while (my $sig = shift @WAIT_FOR_TICK) {
		3766	$sig->send;
		3767	}
		3768
		3769	$LOAD = ($NOW - $TICK_START) / $TICK;
		3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3771
		3772	if (0) {
		3773	if ($NEXT_TICK) {
		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
		3777	}
		3778	}
		3779	}
2659		3780
2660	{	3781	{
2661	BDB::max_poll_time $TICK * 0.1;	3782	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3783
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3784	BDB::min_parallel 8;
2671		3785	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3786	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3787
2687	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3789	$DB_ENV = BDB::db_env_create;
		3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3795
2690	cf::sync_job {	3796	cf::sync_job {
2691	eval {	3797	eval {
2692	BDB::db_env_open	3798	BDB::db_env_open
2693	$DB_ENV,	3799	$DB_ENV,
2694	$BDB_ENV_DIR,	3800	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3801	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3802	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3803	0666;
2698		3804
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3805	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3806	};
2704		3807
2705	cf::cleanup "db_env_open(db): $@" if $@;	3808	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3809	};
2707	}	3810	}
		3811
		3812	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3814	};
		3815	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3817	};
		3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3820	};
2708	}	3821	}
2709		3822
2710	{	3823	{
		3824	# configure IO::AIO
		3825
2711	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3828	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3829	}
		3830
		3831	my $_log_backtrace;
		3832
		3833	sub _log_backtrace {
		3834	my ($msg, @addr) = @_;
		3835
		3836	$msg =~ s/\n//;
		3837
		3838	# limit the # of concurrent backtraces
		3839	if ($_log_backtrace < 2) {
		3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
		3842	async {
		3843	$Coro::current->{desc} = "abt $msg";
		3844
		3845	my @bt = fork_call {
		3846	@addr = map { sprintf "%x", $_ } @addr;
		3847	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3848	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3849	or die "addr2line: $!";
		3850
		3851	my @funcs;
		3852	my @res = <$fh>;
		3853	chomp for @res;
		3854	while (@res) {
		3855	my ($func, $line) = splice @res, 0, 2, ();
		3856	push @funcs, "[$func] $line";
		3857	}
		3858
		3859	@funcs
		3860	};
		3861
		3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3864	LOG llevInfo, "[ABT] $_\n" for @bt;
		3865	--$_log_backtrace;
		3866	};
		3867	} else {
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] [suppressed]\n";
		3870	}
		3871	}
		3872
		3873	# load additional modules
		3874	use cf::pod;
2724		3875
2725	END { cf::emergency_save }	3876	END { cf::emergency_save }
2726		3877
2727	1	3878	1
2728		3879

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