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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 2009 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 qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.4 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		76
		77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		79
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		81
36	our %COMMAND = ();	82	our %COMMAND = ();
37	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
38		84
39	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
43		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	92	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		93
47	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	95	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	96	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	112	our $NEXT_TICK;
52	our $NOW;	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
		117	our $BDB_TRICKLE_WATCHER;
		118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
53		121
54	our %CFG;	122	our %CFG;
55		123
56	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
58		127
59	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		131
67	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
70	binmode STDOUT;	145	binmode STDOUT;
71	binmode STDERR;	146	binmode STDERR;
72		147
73	# read virtual server time, if available	148	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
78	}	153	}
79		154
80	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	156
82	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		159
86	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
		161
		162	sub cf::map::normalise;
87		163
88	#############################################################################	164	#############################################################################
89		165
90	=head2 GLOBAL VARIABLES	166	=head2 GLOBAL VARIABLES
91		167
…		…
98	=item $cf::RUNTIME	174	=item $cf::RUNTIME
99		175
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	177	every server tick.
102		178
103	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		182
105	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
107		187
108	=item $cf::NOW	188	=item $cf::NOW
109		189
110	The time of the last (current) server tick.	190	The time of the last (current) server tick.
111		191
112	=item $cf::TICK	192	=item $cf::TICK
113		193
114	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
115		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
116	=item %cf::CFG	206	=item %cf::CFG
117		207
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	209	from wherever your confdir points to.
120		210
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		212
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	214	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
127		222
128	=back	223	=back
129		224
130	=cut	225	=cut
131		226
132	BEGIN {	227	BEGIN {
133	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	229	my $msg = join "", @_;
135	utf8::encode $msg;
136		230
137	$msg .= "\n"	231	$msg .= "\n"
138	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
139		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
140	LOG llevError, $msg;	236	LOG llevError, $msg;
141	};	237	};
142	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
143		254
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	259	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		260	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	261	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		262
151	# we bless all objects into (empty) derived classes to force a method lookup	263	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	264	# within the Safe compartment.
153	for my $pkg (qw(	265	for my $pkg (qw(
154	cf::global cf::attachable	266	cf::global cf::attachable
155	cf::object cf::object::player	267	cf::object cf::object::player
156	cf::client cf::player	268	cf::client cf::player
157	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
158	cf::map cf::party cf::region	271	cf::party cf::region
159	)) {	272	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	274	}
163		275
164	$Event::DIED = sub {	276	$EV::DIED = sub {
165	warn "error in event callback: @_";	277	warn "error in event callback: @_";
166	};	278	};
		279
		280	#############################################################################
167		281
168	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
169		283
170	=over 4	284	=over 4
171		285
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	305	$d
192	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
193	}	307	}
194		308
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
198		310
199	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
200		312
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
209		314
210	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
211		316
212	=cut	317	=cut
213		318
214	sub to_json($) {	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	320
216	JSON::Syck::Dump $_[0]	321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
217	}	336	}
218		337
219	=item cf::lock_wait $string	338	=item cf::lock_wait $string
220		339
221	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
222		341
223	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
224		343
225	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
228	returned.	347	returned.
229		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
230	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
232		354
233	=cut	355	=item $locked = cf::lock_active $string
234		356
235	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
236		362
237	sub lock_wait($) {	363	sub lock_wait($) {
238	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	365	}
246		366
247	sub lock_acquire($) {	367	sub lock_acquire($) {
248	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
249		370
250	# wait, to be sure we are not locked	371	sub lock_active($) {
251	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	373	}
260		374
261	sub freeze_mainloop {	375	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
263		377
264	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	379	}
266	$WRITE_RUNTIME_WATCHER->start;	380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
267	};	439	}
268	$WRITE_RUNTIME_WATCHER->stop;	440	};
269	$TICK_WATCHER->stop;	441
270	$guard	442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
271	}	454	}
272		455
273	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
274		457
275	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		463
281	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
282		465
283	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
284		467
285	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
288		472
289	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
292	fast or be very important.	476	fast or be very important.
…		…
295		479
296	sub sync_job(&) {	480	sub sync_job(&) {
297	my ($job) = @_;	481	my ($job) = @_;
298		482
299	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
300	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
302		488
303	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	490
305	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
306		492
307	my $busy = 1;	493	my $busy = 1;
308	my @res;	494	my @res;
309		495
310	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	498	@res = eval { $job->() };
312	warn $@ if $@;	499	warn $@ if $@;
313	undef $busy;	500	undef $busy;
314	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
315		502
316	while ($busy) {	503	while ($busy) {
317	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
318	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
319		514
320	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
321	} else {	516	} else {
322	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
323		518
…		…
343	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
344		539
345	$coro	540	$coro
346	}	541	}
347		542
348	sub write_runtime {	543	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		544
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	Executes the given code block with the given arguments in a seperate
352	or return;	546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
353		549
354	my $value = $cf::RUNTIME + 90 + 10;	550	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		551
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	sub fork_call(&@) {
359	and return;	553	my ($cb, @args) = @_;
360		554
361	aio_fsync $fh	555	# we seemingly have to make a local copy of the whole thing,
362	and return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
363		558
364	close $fh	559	my @res = Coro::Util::fork_eval {
365	or return;	560	reset_signals;
		561	&$cb
		562	}, @args;
366		563
367	aio_rename "$runtime~", $runtime	564	wantarray ? @res : $res[-1]
368	and return;	565	}
369		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
		594	=item $value = cf::db_get $family => $key
		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
		626
		627	our $DB;
		628
		629	sub db_init {
		630	cf::sync_job {
		631	$DB ||= db_table "db";
		632	};
		633	}
		634
		635	sub db_get($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
370	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
		719	}
		720
		721	=item cf::datalog type => key => value, ...
		722
		723	Log a datalog packet of the given type with the given key-value pairs.
		724
		725	=cut
		726
		727	sub datalog($@) {
		728	my ($type, %kv) = @_;
		729	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	730	}
372		731
373	=back	732	=back
374		733
375	=cut	734	=cut
376		735
377	#############################################################################	736	#############################################################################
378		737
379	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
380		739
381	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
384		743
385	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	746	Deliantra).
388		747
389	=over 4	748	=over 4
390		749
391	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
392		751
…		…
436	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
437		796
438	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
440		799
441	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
443		802
444	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
445		804
446	=over 4	805	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
556		915
557	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		920
562	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	922	my $pkg = shift @arg;
564		923
565	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
595	}	954	}
596		955
597	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
598	} else {	957	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	959	}
601		960
602	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
603	}	962	}
604		963
…		…
606	if (ref $_[0]) {	965	if (ref $_[0]) {
607	_object_attach @_;	966	_object_attach @_;
608	} else {	967	} else {
609	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
610	}	969	}
		970	_recalc_want;
611	};	971	};
612		972
613	# all those should be optimised	973	# all those should be optimised
614	sub cf::attachable::detach {	974	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
619	reattach ($obj);	979	reattach ($obj);
620	} else {	980	} else {
621	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
622	}	982	}
		983	_recalc_want;
623	};	984	};
624		985
625	sub cf::attachable::attached {	986	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
627		988
…		…
642	";	1003	";
643	die if $@;	1004	die if $@;
644	}	1005	}
645		1006
646	our $override;	1007	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1009
649	sub override {	1010	sub override {
650	$override = 1;	1011	$override = 1;
651	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
652	}	1013	}
653		1014
654	sub do_invoke {	1015	sub do_invoke {
655	my $event = shift;	1016	my $event = shift;
656	my $callbacks = shift;	1017	my $callbacks = shift;
657		1018
658	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
659		1020
660	local $override;	1021	local $override;
661		1022
662	for (@$callbacks) {	1023	for (@$callbacks) {
663	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
672	}	1033	}
673		1034
674	0	1035	0
675	}	1036	}
676		1037
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1039
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1041
681	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
682		1043
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1047
687	=back	1048	=back
688		1049
689	=cut	1050	=cut
690		1051
691	#############################################################################	1052	#############################################################################
692	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
693		1096
694	sub reattach {	1097	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1099	my ($obj) = @_;
697		1100
		1101	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1103
700	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
701		1105
702	@$registry = ();	1106	@$registry = ();
703		1107
…		…
718	cf::attachable->attach (	1122	cf::attachable->attach (
719	prio => -1000000,	1123	prio => -1000000,
720	on_instantiate => sub {	1124	on_instantiate => sub {
721	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
722		1126
723	$data = from_json $data;	1127	$data = decode_json $data;
724		1128
725	for (@$data) {	1129	for (@$data) {
726	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
727		1131
728	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1148	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
746		1150
747	sync_job {	1151	sync_job {
748	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
751		1156
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
755	aio_fsync $fh;	1162	aio_fsync $fh;
		1163	}
756	close $fh;	1164	aio_close $fh;
757		1165
758	if (@$objs) {	1166	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
		1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
763	aio_fsync $fh;	1173	aio_fsync $fh;
		1174	}
764	close $fh;	1175	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
766	}	1177	}
767	} else {	1178	} else {
768	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
769	}	1180	}
770		1181
771	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1186	} else {
773	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
774	}	1188	}
775	} else {	1189	} else {
776	aio_unlink $filename;	1190	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
778	}	1192	}
779	}	1193	};
780	}	1194	}
781		1195
782	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
784		1198
…		…
796	or return;	1210	or return;
797		1211
798	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
800	or return;	1214	or return;
		1215
801	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
802	}	1218	}
803		1219
		1220	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
806	return ($data, $av);	1224	($data, $av)
807	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
808		1232
809	#############################################################################	1233	#############################################################################
810	# command handling &c	1234	# command handling &c
811		1235
812	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1250	}
827		1251
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1253
830	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
831		1259
832	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
833	called.	1261	called.
834		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
835	=cut	1274	=cut
836		1275
837	sub register_extcmd {	1276	sub register_extcmd {
838	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
839		1278
840	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
841	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
842		1289
843	cf::player->attach (	1290	cf::player->attach (
844	on_command => sub {	1291	on_command => sub {
845	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
846		1293
…		…
854	cf::override;	1301	cf::override;
855	},	1302	},
856	on_extcmd => sub {	1303	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
858		1305
859	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1307
861	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
867	} else {	1323	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1325	}
870		1326
871	cf::override;	1327	cf::override;
872	},	1328	},
873	);	1329	);
874		1330
		1331	# "readahead" all extensions
875	sub load_extension {	1332	sub cache_extensions {
876	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
877		1334
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1338	}
903	die $@;
904	}	1339	};
905		1340
906	push @EXTS, $pkg;	1341	$grp
907	}	1342	}
908		1343
909	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
910	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1349	next unless -r $path;
912	eval {	1350
913	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
914	1	1407	}
915	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
916	}	1413	};
917	}	1414	}
918		1415
919	#############################################################################	1416	#############################################################################
920		1417
		1418	=back
		1419
921	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
922		1421
923	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
924		1423
925	=cut	1424	=cut
926		1425
927	package cf::player;	1426	package cf::player;
928		1427
…		…
930		1429
931	=head3 cf::player	1430	=head3 cf::player
932		1431
933	=over 4	1432	=over 4
934		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
		1447
935	=item cf::player::find $login	1448	=item cf::player::find $login
936		1449
937	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
938		1451
939	=cut	1452	=cut
940		1453
941	sub playerdir($) {	1454	sub playerdir($) {
942	cf::localdir	1455	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1457	}
948		1458
949	sub path($) {	1459	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1461
952	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
953	}	1463	}
954		1464
955	sub find_active($) {	1465	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
960		1470
961	sub exists($) {	1471	sub exists($) {
962	my ($login) = @_;	1472	my ($login) = @_;
963		1473
964	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
966	}	1476	}
967		1477
968	sub find($) {	1478	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1480	my $login = $_[0];
971		1481
972	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
973		1483
974	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1485	# rename old playerfiles to new ones
		1486	#TODO: remove when no longer required
		1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1490	aio_unlink +(playerdir $login) . "/$login.pl";
		1491
		1492	my $f = new_from_file cf::object::thawer path $login
976	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
978	}	1501	}
979	}	1502	}
980	}	1503	}
981		1504
…		…
990	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
991		1514
992	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
994		1517
		1518	cf::get_slot 0.01;
		1519
995	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
996	Coro::cede;	1521	cf::cede_to_tick;
997	}	1522	}
998		1523
999	sub new($) {	1524	sub new($) {
1000	my ($login) = @_;	1525	my ($login) = @_;
1001		1526
…		…
1007	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1008		1533
1009	$self	1534	$self
1010	}	1535	}
1011		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1012	=item $pl->quit_character	1547	=item $pl->quit_character
1013		1548
1014	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1016		1551
1017	=cut	1552	=cut
1018		1553
1019	sub quit_character {	1554	sub quit_character {
1020	my ($pl) = @_;	1555	my ($pl) = @_;
1021		1556
		1557	my $name = $pl->ob->name;
		1558
1022	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1561
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1029		1568
1030	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1571	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1572	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1573	$pl->destroy;
		1574
		1575	my $prefix = qr<^~\Q$name\E/>;
		1576
		1577	# nuke player maps
		1578	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1579
1035	IO::AIO::aio_rmtree $temp;	1580	IO::AIO::aio_rmtree $temp;
		1581	}
		1582
		1583	=item $pl->kick
		1584
		1585	Kicks a player out of the game. This destroys the connection.
		1586
		1587	=cut
		1588
		1589	sub kick {
		1590	my ($pl, $kicker) = @_;
		1591
		1592	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1593	$pl->killer ("kicked");
		1594	$pl->ns->destroy;
1036	}	1595	}
1037		1596
1038	=item cf::player::list_logins	1597	=item cf::player::list_logins
1039		1598
1040	Returns am arrayref of all valid playernames in the system, can take a	1599	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1042		1601
1043	=cut	1602	=cut
1044		1603
1045	sub list_logins {	1604	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1606	or return [];
1048		1607
1049	my @logins;	1608	my @logins;
1050		1609
1051	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1055		1620
1056	utf8::decode $login;	1621	utf8::decode $login;
1057	push @logins, $login;	1622	push @logins, $login;
1058	}	1623	}
1059		1624
…		…
1067		1632
1068	=cut	1633	=cut
1069		1634
1070	sub maps($) {	1635	sub maps($) {
1071	my ($pl) = @_;	1636	my ($pl) = @_;
		1637
		1638	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1639
1073	my $files = aio_readdir playerdir $pl	1640	my $files = aio_readdir playerdir $pl
1074	or return;	1641	or return;
1075		1642
1076	my @paths;	1643	my @paths;
…		…
1078	for (@$files) {	1645	for (@$files) {
1079	utf8::decode $_;	1646	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1647	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1648	next unless /^$PATH_SEP/o;
1082		1649
1083	s/\.map$//;	1650	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1651	}
1086		1652
1087	\@paths	1653	\@paths
1088	}	1654	}
1089		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1091		1661
1092	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1093		1663
1094	=cut	1664	=cut
1095		1665
1096	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1098		1668
1099	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1670	}
1103		1671
1104	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		1679	my ($self, $type, @msg) = @_;
		1680
		1681	$self->ns->ext_msg ($type, @msg);
		1682	}
		1683
		1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1105		1712
1106	=back	1713	=back
1107
1108		1714
1109	=head3 cf::map	1715	=head3 cf::map
1110		1716
1111	=over 4	1717	=over 4
1112		1718
…		…
1124	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1126		1732
1127	sub generate_random_map {	1733	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1129	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1739	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1749	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1750	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1751	)
1143	}	1752	}
1144		1753
		1754	=item cf::map->register ($regex, $prio)
		1755
		1756	Register a handler for the map path matching the given regex at the
		1757	givne priority (higher is better, built-in handlers have priority 0, the
		1758	default).
		1759
		1760	=cut
		1761
1145	sub register {	1762	sub register {
1146	my (undef, $regex) = @_;	1763	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1764	my $pkg = caller;
1148		1765
1149	no strict;	1766	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1767	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1768
1152	$EXT_MAP{$pkg} = qr<$regex>;	1769	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1770	}
1154		1771
1155	# also paths starting with '/'	1772	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1773	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1774
1158	sub thawer_merge {	1775	sub thawer_merge {
1159	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1160		1777
1161	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1162	local $self->{path};	1779	local $self->{path};
1163	local $self->{load_path};	1780	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1781
1167	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1168	}	1783	}
1169		1784
1170	sub normalise {	1785	sub normalise {
1171	my ($path, $base) = @_;	1786	my ($path, $base) = @_;
		1787
		1788	$path = "$path"; # make sure its a string
		1789
		1790	$path =~ s/\.map$//;
1172		1791
1173	# map plan:	1792	# map plan:
1174	#	1793	#
1175	# /! non-realised random map exit (special hack!)	1794	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1795	# {... are special paths that are not being touched
…		…
1204		1823
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1824	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1825
1207	$path = normalise $path, $base;	1826	$path = normalise $path, $base;
1208		1827
1209	for my $pkg (keys %EXT_MAP) {	1828	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1829	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1830	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1831	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1214	return $self;	1833	return $self;
1215	}	1834	}
1216	}	1835	}
1217		1836
1218	Carp::carp "unable to resolve path '$path'.";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1219	()	1838	()
1220	}	1839	}
1221		1840
1222	sub init {	1841	sub init {
1223	my ($self) = @_;	1842	my ($self) = @_;
…		…
1238		1857
1239	# the original (read-only) location	1858	# the original (read-only) location
1240	sub load_path {	1859	sub load_path {
1241	my ($self) = @_;	1860	my ($self) = @_;
1242		1861
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1244	}	1863	}
1245		1864
1246	# the temporary/swap location	1865	# the temporary/swap location
1247	sub save_path {	1866	sub save_path {
1248	my ($self) = @_;	1867	my ($self) = @_;
1249		1868
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1252	}	1871	}
1253		1872
1254	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1255	sub uniq_path {	1874	sub uniq_path {
1256	my ($self) = @_;	1875	my ($self) = @_;
1257		1876
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1260	}	1879	}
1261		1880
1262	# and all this just because we cannot iterate over	1881	sub decay_objects {
1263	# all maps in C++...
1264	sub change_all_map_light {
1265	my ($change) = @_;	1882	my ($self) = @_;
1266		1883
1267	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1268	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1269	}	1887	}
1270		1888
1271	sub unlink_save {	1889	sub unlink_save {
1272	my ($self) = @_;	1890	my ($self) = @_;
1273		1891
…		…
1278		1896
1279	sub load_header_from($) {	1897	sub load_header_from($) {
1280	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1281		1899
1282	utf8::encode $path;	1900	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1284	or return;	1902	or return;
1285		1903
1286	$self->_load_header ($path)	1904	$self->_load_header ($f)
1287	or return;	1905	or return;
1288		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
		1909
1289	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1290		1911
1291	1	1912	1
1292	}	1913	}
1293		1914
1294	sub load_orig {	1915	sub load_header_orig {
1295	my ($self) = @_;	1916	my ($self) = @_;
1296		1917
1297	$self->load_header_from ($self->load_path)	1918	$self->load_header_from ($self->load_path)
1298	}	1919	}
1299		1920
1300	sub load_temp {	1921	sub load_header_temp {
1301	my ($self) = @_;	1922	my ($self) = @_;
1302		1923
1303	$self->load_header_from ($self->save_path)	1924	$self->load_header_from ($self->save_path)
		1925	}
		1926
		1927	sub prepare_temp {
		1928	my ($self) = @_;
		1929
		1930	$self->last_access ((delete $self->{last_access})
		1931	|| $cf::RUNTIME); #d#
		1932	# safety
		1933	$self->{instantiate_time} = $cf::RUNTIME
		1934	if $self->{instantiate_time} > $cf::RUNTIME;
		1935	}
		1936
		1937	sub prepare_orig {
		1938	my ($self) = @_;
		1939
		1940	$self->{load_original} = 1;
		1941	$self->{instantiate_time} = $cf::RUNTIME;
		1942	$self->last_access ($cf::RUNTIME);
		1943	$self->instantiate;
1304	}	1944	}
1305		1945
1306	sub load_header {	1946	sub load_header {
1307	my ($self) = @_;	1947	my ($self) = @_;
1308		1948
1309	if ($self->load_temp) {	1949	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1950	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1951	} else {
1316	$self->load_orig	1952	$self->load_header_orig
1317	or return;	1953	or return;
1318		1954	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	1955	}
		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
1324		1962
1325	1	1963	1
1326	}	1964	}
1327		1965
1328	sub find;	1966	sub find;
1329	sub find {	1967	sub find {
1330	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1331		1969
1332	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1333		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1335		1974
1336	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$path";
1338	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1339	or return;	1977	or return;
1340		1978
1341	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1342		1980
1343	$map->load_header	1981	$map->load_header
1344	or return;	1982	or return;
1345		1983
1346	if ($map->should_reset) {	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1349	$map->reset;	1989	$map->reset;
1350	undef $guard;
1351	$map = find $path	1990	return find $path;
1352	or return;
1353	}	1991	}
1354		1992
1355	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1356	}	1994	}
1357	}	1995	}
		1996
		1997	sub pre_load { }
		1998	sub post_load { }
1358		1999
1359	sub load {	2000	sub load {
1360	my ($self) = @_;	2001	my ($self) = @_;
1361		2002
		2003	local $self->{deny_reset} = 1; # loading can take a long time
		2004
1362	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1363	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1364		2009
		2010	return unless $self->valid;
1365	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1366		2012
1367	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1368		2014
1369	$self->alloc;	2015	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)	2016
		2017	$self->pre_load;
		2018	cf::cede_to_tick;
		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
		2022	$self->_load_objects ($f)
1371	or return;	2023	or return;
1372		2024
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1374	if delete $self->{load_original};	2026	if delete $self->{load_original};
1375		2027
1376	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	2029	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	2032	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1381	}	2036	}
1382	}	2037	}
1383		2038
1384	Coro::cede;	2039	$f->resolve_delayed_derefs;
1385		2040
		2041	cf::cede_to_tick;
1386	# now do the right thing for maps	2042	# now do the right thing for maps
1387	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;
1394	$self->set_darkness_map;
1395	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	2045	unless $self->difficulty;
1397	Coro::cede;	2046	cf::cede_to_tick;
		2047
		2048	unless ($self->{deny_activate}) {
		2049	$self->decay_objects;
		2050	$self->fix_auto_apply;
		2051	$self->update_buttons;
		2052	cf::cede_to_tick;
1398	$self->activate;	2053	$self->activate;
1399	}	2054	}
1400		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
1401	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
		2060	}
		2061
		2062	$self->post_load;
1402	}	2063	}
1403		2064
1404	sub customise_for {	2065	sub customise_for {
1405	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1406		2067
1407	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	2069	if $self->per_player;
1409		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1410	$self	2074	$self
1411	}	2075	}
1412		2076
1413	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	2078	sub load_neighbours {
1415	my ($map) = @_;	2079	my ($map) = @_;
1416		2080
1417	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1418		2082
1419	for (0 .. 3) {	2083	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1421	or next;	2085	or next;
1422	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1423	or next;	2087	or next;
1424	$neigh->load;	2088	$neigh->load;
1425		2089
		2090	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	2093	}
1429		2094
1430	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1432	or next;	2098	or next;
1433	$neigh->load;	2099	$neigh->load;
1434	}	2100	}
1435	}	2101	}
1436		2102
…		…
1441	}	2107	}
1442		2108
1443	sub do_load_sync {	2109	sub do_load_sync {
1444	my ($map) = @_;	2110	my ($map) = @_;
1445		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1446	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1447	}	2116	}
1448		2117
1449	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1451		2120
1452	sub find_async {	2121	sub find_async {
1453	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1454		2123
1455	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1456		2125
1457	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1459	}	2128	}
1460		2129
1461	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1462	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1463	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2137	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2138	$map->load if $v;
		2139	}
1468		2140
1469	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1470	}	2142	}
1471	}	2143	}
1472	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1473	};	2145	};
		2146	$MAP_PREFETCHER->prio (6);
1474		2147
1475	()	2148	()
1476	}	2149	}
1477		2150
1478	sub save {	2151	sub save {
1479	my ($self) = @_;	2152	my ($self) = @_;
1480		2153
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1482		2155
1483	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1484		2157
1485	return unless $self->dirty;	2158	return unless $self->dirty;
1486		2159
…		…
1492	return if $self->{deny_save};	2165	return if $self->{deny_save};
1493		2166
1494	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1495		2168
1496	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1497	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1498	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1499		2175
1500	if ($uniq) {	2176	if ($uniq) {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1503	} else {	2179	} else {
…		…
1509	my ($self) = @_;	2185	my ($self) = @_;
1510		2186
1511	# save first because save cedes	2187	# save first because save cedes
1512	$self->save;	2188	$self->save;
1513		2189
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2191
1516	return if $self->players;	2192	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1518	return if $self->{deny_save};	2194	return if $self->{deny_save};
1519		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1520	$self->clear;	2200	$self->clear;
1521	$self->in_memory (cf::MAP_SWAPPED);
1522	}	2201	}
1523		2202
1524	sub reset_at {	2203	sub reset_at {
1525	my ($self) = @_;	2204	my ($self) = @_;
1526		2205
1527	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1530		2208
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2211
…		…
1544	my ($self) = @_;	2222	my ($self) = @_;
1545		2223
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2225
1548	return if $self->players;	2226	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2227
1551	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
		2229
		2230	$self->in_memory (cf::MAP_SWAPPED);
		2231
		2232	# need to save uniques path
		2233	unless ($self->{deny_save}) {
		2234	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2235
		2236	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2237	if $uniq;
		2238	}
1552		2239
1553	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1554		2241
1555	$self->in_memory (cf::MAP_SWAPPED);	2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1556	$self->clear;	2244	$self->clear;
1557
1558	$_->clear_links_to ($self) for values %cf::MAP;
1559		2245
1560	$self->unlink_save;	2246	$self->unlink_save;
1561	$self->destroy;	2247	$self->destroy;
1562	}	2248	}
1563		2249
1564	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1565		2251
1566	sub nuke {	2252	sub nuke {
1567	my ($self) = @_;	2253	my ($self) = @_;
1568		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1569	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1570		2259
1571	$self->unlink_save;	2260	$self->unlink_save;
1572		2261
1573	bless $self, "cf::map";	2262	bless $self, "cf::map";
1574	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2267
1579	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1580		2270
1581	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
		2272	}
		2273
		2274	=item $maps = cf::map::tmp_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
		2290	}
		2291
		2292	=item $maps = cf::map::random_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	random maps. May block.
		2296
		2297	=cut
		2298
		2299	sub random_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise "?random/$_"
		2305	: ()
		2306	} @{ aio_readdir $RANDOMDIR or [] }
		2307	]
1582	}	2308	}
1583		2309
1584	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1585		2311
1586	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2313	instantiated unique items. May block.
1588		2314
1589	=cut	2315	=cut
1590		2316
1591	sub unique_maps() {	2317	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1593	or return;	2319	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2320	utf8::decode $_;
1599	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1600	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1601		2323	? ()
1602	s/\.map$//;	2324	: normalise $_
1603	push @paths, $_;	2325	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2326	]
1605
1606	\@paths
1607	}	2327	}
1608
1609	package cf;
1610		2328
1611	=back	2329	=back
1612		2330
1613	=head3 cf::object	2331	=head3 cf::object
1614		2332
…		…
1618		2336
1619	=over 4	2337	=over 4
1620		2338
1621	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1622		2340
1623	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
1624		2343
1625	=cut	2344	=cut
1626		2345
1627	sub inv_recursive_;	2346	sub inv_recursive_;
1628	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1631		2350
1632	sub inv_recursive {	2351	sub inv_recursive {
1633	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1634	}	2353	}
1635		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
1636	package cf;	2383	package cf;
1637		2384
1638	=back	2385	=back
1639		2386
1640	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1646	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1647	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1648	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1649		2396
1650	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1651		2412
1652	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1653	# with dialog boxes.	2414	# with dialog boxes.
1654	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1655	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1657		2418
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2420
1660	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1662	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1665	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1666	}	2446	}
1667		2447
1668	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1669		2449
1670	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1683		2463
1684	=item $player_object->enter_link	2464	=item $player_object->enter_link
1685		2465
1686	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1687		2467
1688	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1689	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
1690		2472
1691	Will never block.	2473	Will never block.
1692		2474
1693	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1694		2476
…		…
1702	=cut	2484	=cut
1703		2485
1704	sub link_map {	2486	sub link_map {
1705	unless ($LINK_MAP) {	2487	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2488	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2489	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2490	$LINK_MAP->load;
1709	}	2491	}
1710		2492
1711	$LINK_MAP	2493	$LINK_MAP
1712	}	2494	}
…		…
1717	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1718		2500
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2502
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1723		2505
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2507	}
1726		2508
1727	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1729		2513
1730	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1731		2515
1732	unless ($map) {	2516	unless ($map) {
1733	# restore original map position	2517	# restore original map position
…		…
1747	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1750		2534
1751	$map->load;	2535	$map->load;
1752	$map->load_diag;	2536	$map->load_neighbours;
1753		2537
1754	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1755	$self->activate_recursive;	2540	$self->activate_recursive;
		2541
		2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
1757	}	2544	}
1758		2545
1759	cf::player->attach (	2546	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1760	on_logout => sub {
1761	my ($pl) = @_;
1762		2547
1763	# abort map switching before logout	2548	Moves the player to the given map-path and coordinates by first freezing
1764	if ($pl->ob->{_link_pos}) {	2549	her, loading and preparing them map, calling the provided $check callback
1765	cf::sync_job {	2550	that has to return the map if sucecssful, and then unfreezes the player on
1766	$pl->ob->leave_link	2551	the new (success) or old (failed) map position. In either case, $done will
1767	};	2552	be called at the end of this process.
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2553
1773	# try to abort aborted map switching on player login :)	2554	Note that $check will be called with a potentially non-loaded map, so if
1774	# should happen only on crashes	2555	it needs a loaded map it has to call C<< ->load >>.
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790		2556
1791	=item $player_object->goto ($path, $x, $y)
1792
1793	=cut	2557	=cut
		2558
		2559	our $GOTOGEN;
1794		2560
1795	sub cf::object::player::goto {	2561	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2562	my ($self, $path, $x, $y, $check, $done) = @_;
		2563
		2564	# do generation counting so two concurrent goto's will be executed in-order
		2565	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2566
1798	$self->enter_link;	2567	$self->enter_link;
1799		2568
1800	(async {	2569	(async {
1801	my $map = cf::map::find $path;	2570	$Coro::current->{desc} = "player::goto $path $x $y";
		2571
		2572	# *tag paths override both path and x|y
		2573	if ($path =~ /^\*(.*)$/) {
		2574	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2575	my $ob = $obs[rand @obs];
		2576
		2577	# see if we actually can go there
		2578	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2579	$ob = $obs[rand @obs];
		2580	} else {
		2581	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583	# else put us there anyways for now #d#
		2584
		2585	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2586	} else {
		2587	($path, $x, $y) = (undef, undef, undef);
		2588	}
		2589	}
		2590
		2591	my $map = eval {
		2592	my $map = defined $path ? cf::map::find $path : undef;
		2593
		2594	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2595	$map = $map->customise_for ($self);
1803		2596	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2597	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2598	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
1808		2600
		2601	$map
		2602	};
		2603
		2604	if ($@) {
		2605	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	LOG llevError | logBacktrace, Carp::longmess $@;
		2607	}
		2608
		2609	if ($gen == $self->{_goto_generation}) {
		2610	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2611	$self->leave_link ($map, $x, $y);
		2612	}
		2613
		2614	$done->() if $done;
1810	})->prio (1);	2615	})->prio (1);
1811	}	2616	}
1812		2617
1813	=item $player_object->enter_exit ($exit_object)	2618	=item $player_object->enter_exit ($exit_object)
1814		2619
…		…
1834	}	2639	}
1835		2640
1836	sub prepare_random_map {	2641	sub prepare_random_map {
1837	my ($exit) = @_;	2642	my ($exit) = @_;
1838		2643
1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1840
1841	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
1842	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
1843	# that depends on the exit object	2646	# that depends on the exit object
1844		2647
1845	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
1846		2649
1847	if ($exit->map) {	2650	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2651	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
1852	}	2657	}
1853		2658
1854	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
1855		2660
1856	my $data = cf::to_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1857	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
1859		2664
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2667	undef $fh;
1863	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
1864		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
1865	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
1866	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
1867	}	2676	}
1868	}	2677	}
1869		2678
1870	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
…		…
1873	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
1874		2683
1875	$self->enter_link;	2684	$self->enter_link;
1876		2685
1877	(async {	2686	(async {
1878	$self->deactivate_recursive; # just to be sure	2687	$Coro::current->{desc} = "enter_exit";
		2688
1879	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
1880	prepare_random_map $exit	2696	prepare_random_map $exit
1881	if $exit->slaying eq "/!";	2697	if $exit->slaying eq "/!";
		2698	}
1882		2699
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
1885		2703
		2704	$self->goto ($map, $x, $y);
		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
1886	1;	2710	1
1887	}) {	2711	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
1889	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2716
1893	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2718	$self->leave_link;
1895	}	2719	}
1896	})->prio (1);	2720	})->prio (1);
…		…
1909		2733
1910	sub cf::client::send_drawinfo {	2734	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2735	my ($self, $text, $flags) = @_;
1912		2736
1913	utf8::encode $text;	2737	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2738	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2739	}
1916		2740
		2741	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2742
		2743	Send a drawinfo or msg packet to the client, formatting the msg for the
		2744	client if neccessary. C<$type> should be a string identifying the type of
		2745	the message, with C<log> being the default. If C<$color> is negative, suppress
		2746	the message unless the client supports the msg packet.
		2747
		2748	=cut
		2749
		2750	# non-persistent channels (usually the info channel)
		2751	our %CHANNEL = (
		2752	"c/identify" => {
		2753	id => "infobox",
		2754	title => "Identify",
		2755	reply => undef,
		2756	tooltip => "Items recently identified",
		2757	},
		2758	"c/examine" => {
		2759	id => "infobox",
		2760	title => "Examine",
		2761	reply => undef,
		2762	tooltip => "Signs and other items you examined",
		2763	},
		2764	"c/book" => {
		2765	id => "infobox",
		2766	title => "Book",
		2767	reply => undef,
		2768	tooltip => "The contents of a note or book",
		2769	},
		2770	"c/lookat" => {
		2771	id => "infobox",
		2772	title => "Look",
		2773	reply => undef,
		2774	tooltip => "What you saw there",
		2775	},
		2776	"c/who" => {
		2777	id => "infobox",
		2778	title => "Players",
		2779	reply => undef,
		2780	tooltip => "Shows players who are currently online",
		2781	},
		2782	"c/body" => {
		2783	id => "infobox",
		2784	title => "Body Parts",
		2785	reply => undef,
		2786	tooltip => "Shows which body parts you posess and are available",
		2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
		2824	"c/uptime" => {
		2825	id => "infobox",
		2826	title => "Uptime",
		2827	reply => undef,
		2828	tooltip => "How long the server has been running since last restart",
		2829	},
		2830	"c/mapinfo" => {
		2831	id => "infobox",
		2832	title => "Map Info",
		2833	reply => undef,
		2834	tooltip => "Information related to the maps",
		2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
		2850	);
		2851
		2852	sub cf::client::send_msg {
		2853	my ($self, $channel, $msg, $color, @extra) = @_;
		2854
		2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
		2857
		2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2859
		2860	# check predefined channels, for the benefit of C
		2861	if ($CHANNEL{$channel}) {
		2862	$channel = $CHANNEL{$channel};
		2863
		2864	$self->ext_msg (channel_info => $channel);
		2865	$channel = $channel->{id};
		2866
		2867	} elsif (ref $channel) {
		2868	# send meta info to client, if not yet sent
		2869	unless (exists $self->{channel}{$channel->{id}}) {
		2870	$self->{channel}{$channel->{id}} = $channel;
		2871	$self->ext_msg (channel_info => $channel);
		2872	}
		2873
		2874	$channel = $channel->{id};
		2875	}
		2876
		2877	return unless @extra || length $msg;
		2878
		2879	# default colour, mask it out
		2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2881	if $color & cf::NDI_DEF;
		2882
		2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
		2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2886	);
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if (8192 < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->ext_msg ($type, @msg)
		2902
		2903	Sends an ext event to the client.
		2904
		2905	=cut
		2906
		2907	sub cf::client::ext_msg($$@) {
		2908	my ($self, $type, @msg) = @_;
		2909
		2910	if ($self->extcmd == 2) {
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2912	} elsif ($self->extcmd == 1) { # TODO: remove
		2913	push @msg, msgtype => "event_$type";
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2915	}
		2916	}
		2917
		2918	=item $client->ext_reply ($msgid, @msg)
		2919
		2920	Sends an ext reply to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_reply($$@) {
		2925	my ($self, $id, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2929	} elsif ($self->extcmd == 1) {
		2930	#TODO: version 1, remove
		2931	unshift @msg, msgtype => "reply", msgid => $id;
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
		2934	}
1917		2935
1918	=item $success = $client->query ($flags, "text", \&cb)	2936	=item $success = $client->query ($flags, "text", \&cb)
1919		2937
1920	Queues a query to the client, calling the given callback with	2938	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2939	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2940	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		2941
1924	Queries can fail, so check the return code. Or don't, as queries will become	2942	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	2943	become reliable at some point in the future.
1926		2944
1927	=cut	2945	=cut
1928		2946
1929	sub cf::client::query {	2947	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2948	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2956	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2957	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2958
1941	$self->send_packet ($self->{query_queue}[0][0])	2959	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2960	if @{ $self->{query_queue} } == 1;
		2961
		2962	1
1943	}	2963	}
1944		2964
1945	cf::client->attach (	2965	cf::client->attach (
		2966	on_connect => sub {
		2967	my ($ns) = @_;
		2968
		2969	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2970	},
1946	on_reply => sub {	2971	on_reply => sub {
1947	my ($ns, $msg) = @_;	2972	my ($ns, $msg) = @_;
1948		2973
1949	# this weird shuffling is so that direct followup queries	2974	# this weird shuffling is so that direct followup queries
1950	# get handled first	2975	# get handled first
1951	my $queue = delete $ns->{query_queue}	2976	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2977	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2978
1954	(shift @$queue)->[1]->($msg);	2979	(shift @$queue)->[1]->($msg);
		2980	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2981
1956	push @{ $ns->{query_queue} }, @$queue;	2982	push @{ $ns->{query_queue} }, @$queue;
1957		2983
1958	if (@{ $ns->{query_queue} } == @$queue) {	2984	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2985	if (@$queue) {
…		…
1961	} else {	2987	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2988	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	2989	}
1964	}	2990	}
1965	},	2991	},
		2992	on_exticmd => sub {
		2993	my ($ns, $buf) = @_;
		2994
		2995	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2996
		2997	if (ref $msg) {
		2998	my ($type, $reply, @payload) =
		2999	"ARRAY" eq ref $msg
		3000	? @$msg
		3001	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3002
		3003	my @reply;
		3004
		3005	if (my $cb = $EXTICMD{$type}) {
		3006	@reply = $cb->($ns, @payload);
		3007	}
		3008
		3009	$ns->ext_reply ($reply, @reply)
		3010	if $reply;
		3011
		3012	} else {
		3013	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3014	}
		3015
		3016	cf::override;
		3017	},
1966	);	3018	);
1967		3019
1968	=item $client->async (\&cb)	3020	=item $client->async (\&cb)
1969		3021
1970	Create a new coroutine, running the specified callback. The coroutine will	3022	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011	our $safe = new Safe "safe";	3063	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	3064	our $safe_hole = new Safe::Hole;
2013		3065
2014	$SIG{FPE} = 'IGNORE';	3066	$SIG{FPE} = 'IGNORE';
2015		3067
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3068	$safe->permit_only (Opcode::opset qw(
		3069	:base_core :base_mem :base_orig :base_math
		3070	grepstart grepwhile mapstart mapwhile
		3071	sort time
		3072	));
2017		3073
2018	# here we export the classes and methods available to script code	3074	# here we export the classes and methods available to script code
2019		3075
2020	=pod	3076	=pod
2021		3077
2022	The following fucntions and emthods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
2023		3079
2024	cf::object contr pay_amount pay_player map	3080	cf::object
		3081	contr pay_amount pay_player map x y force_find force_add destroy
		3082	insert remove name archname title slaying race decrease split
		3083	value
		3084
2025	cf::object::player player	3085	cf::object::player
2026	cf::player peaceful	3086	player
2027	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2028		3093
2029	=cut	3094	=cut
2030		3095
2031	for (	3096	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv nrof name archname title slaying race
		3099	decrease split destroy change_exp value msg lore send_msg)],
2033	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
2035	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2036	) {	3103	) {
2037	no strict 'refs';	3104	no strict 'refs';
2038	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
2039	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2056	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
2057		3124
2058	my $qcode = $code;	3125	my $qcode = $code;
2059	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2060	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
2061		3130
2062	local $_;	3131	local $_;
2063	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
2064		3133
2065	my $eval =	3134	my $eval =
…		…
2108	=back	3177	=back
2109		3178
2110	=cut	3179	=cut
2111		3180
2112	#############################################################################	3181	#############################################################################
		3182	# the server's init and main functions
2113		3183
2114	=head2 EXTENSION DATABASE SUPPORT	3184	sub load_facedata($) {
		3185	my ($path) = @_;
2115		3186
2116	Crossfire maintains a very simple database for extension use. It can	3187	# HACK to clear player env face cache, we need some signal framework
2117	currently store anything that can be serialised using Storable, which	3188	# for this (global event?)
2118	excludes objects.	3189	%ext::player_env::MUSIC_FACE_CACHE = ();
2119		3190
2120	The parameter C<$family> should best start with the name of the extension	3191	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121	using it, it should be unique.
2122		3192
2123	=over 4	3193	warn "loading facedata from $path\n";
2124		3194
2125	=item $hashref = cf::db_get $family	3195	my $facedata;
		3196	0 < aio_load $path, $facedata
		3197	or die "$path: $!";
2126		3198
2127	Return a hashref for use by the extension C<$family>, which can be	3199	$facedata = Coro::Storable::thaw $facedata;
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130		3200
2131	=item $value = cf::db_get $family => $key	3201	$facedata->{version} == 2
		3202	or cf::cleanup "$path: version mismatch, cannot proceed.";
2132		3203
2133	Returns a single value from the database	3204	# patch in the exptable
2134		3205	$facedata->{resource}{"res/exp_table"} = {
2135	=item cf::db_put $family => $hashref	3206	type => FT_RSRC,
2136		3207	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}
2163
2164	my $pid;
2165
2166	sub db_save() {
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});	3208	};
		3209	cf::cede_to_tick;
2186		3210
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	3211	{
		3212	my $faces = $facedata->{faceinfo};
2191		3213
2192	sub db_get($;$) {	3214	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	3215	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}
2195	: ($DB->{$_[0]} ||= { })
2196	}
2197		3216
2198	sub db_put($$;$) {	3217	cf::face::set_visibility $idx, $info->{visibility};
2199	if (@_ >= 3) {	3218	cf::face::set_magicmap $idx, $info->{magicmap};
2200	$DB->{$_[0]}{$_[1]} = $_[2];	3219	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2201	} else {	3220	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206		3221
2207	cf::global->attach (	3222	cf::cede_to_tick;
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	3223	}
2212	);
2213	}
2214		3224
2215	#############################################################################	3225	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	3226	next unless $info->{smooth};
2217		3227
2218	sub cfg_load {	3228	my $idx = cf::face::find $face
		3229	or next;
		3230
		3231	if (my $smooth = cf::face::find $info->{smooth}) {
		3232	cf::face::set_smooth $idx, $smooth;
		3233	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3234	} else {
		3235	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3236	}
		3237
		3238	cf::cede_to_tick;
		3239	}
		3240	}
		3241
		3242	{
		3243	my $anims = $facedata->{animinfo};
		3244
		3245	while (my ($anim, $info) = each %$anims) {
		3246	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3247	cf::cede_to_tick;
		3248	}
		3249
		3250	cf::anim::invalidate_all; # d'oh
		3251	}
		3252
		3253	{
		3254	# TODO: for gcfclient pleasure, we should give resources
		3255	# that gcfclient doesn't grok a >10000 face index.
		3256	my $res = $facedata->{resource};
		3257
		3258	while (my ($name, $info) = each %$res) {
		3259	if (defined $info->{type}) {
		3260	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3261	my $data;
		3262
		3263	if ($info->{type} & 1) {
		3264	# prepend meta info
		3265
		3266	my $meta = $enc->encode ({
		3267	name => $name,
		3268	%{ $info->{meta} || {} },
		3269	});
		3270
		3271	$data = pack "(w/a*)*", $meta, $info->{data};
		3272	} else {
		3273	$data = $info->{data};
		3274	}
		3275
		3276	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3277	cf::face::set_type $idx, $info->{type};
		3278	} else {
		3279	$RESOURCE{$name} = $info;
		3280	}
		3281
		3282	cf::cede_to_tick;
		3283	}
		3284	}
		3285
		3286	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3287
		3288	1
		3289	}
		3290
		3291	cf::global->attach (on_resource_update => sub {
		3292	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3293	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3294
		3295	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3296	my $sound = $soundconf->{compat}[$_]
		3297	or next;
		3298
		3299	my $face = cf::face::find "sound/$sound->[1]";
		3300	cf::sound::set $sound->[0] => $face;
		3301	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3302	}
		3303
		3304	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3305	my $face = cf::face::find "sound/$v";
		3306	cf::sound::set $k => $face;
		3307	}
		3308	}
		3309	});
		3310
		3311	register_exticmd fx_want => sub {
		3312	my ($ns, $want) = @_;
		3313
		3314	while (my ($k, $v) = each %$want) {
		3315	$ns->fx_want ($k, $v);
		3316	}
		3317	};
		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
		3329	sub reload_regions {
		3330	# HACK to clear player env face cache, we need some signal framework
		3331	# for this (global event?)
		3332	%ext::player_env::MUSIC_FACE_CACHE = ();
		3333
		3334	load_resource_file "$MAPDIR/regions"
		3335	or die "unable to load regions file\n";
		3336
		3337	for (cf::region::list) {
		3338	$_->{match} = qr/$_->{match}/
		3339	if exists $_->{match};
		3340	}
		3341	}
		3342
		3343	sub reload_facedata {
		3344	load_facedata "$DATADIR/facedata"
		3345	or die "unable to load facedata\n";
		3346	}
		3347
		3348	sub reload_archetypes {
		3349	load_resource_file "$DATADIR/archetypes"
		3350	or die "unable to load archetypes\n";
		3351	}
		3352
		3353	sub reload_treasures {
		3354	load_resource_file "$DATADIR/treasures"
		3355	or die "unable to load treasurelists\n";
		3356	}
		3357
		3358	sub reload_resources {
		3359	warn "reloading resource files...\n";
		3360
		3361	reload_facedata;
		3362	reload_archetypes;
		3363	reload_regions;
		3364	reload_treasures;
		3365
		3366	warn "finished reloading resource files\n";
		3367	}
		3368
		3369	sub reload_config {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	3371	or return;
2221		3372
2222	local $/;	3373	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	3374	*CFG = YAML::Load <$fh>;
2224		3375
2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3376	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2226		3377
2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3378	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3379	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2234	};	3385	};
2235	warn $@ if $@;	3386	warn $@ if $@;
2236	}	3387	}
2237	}	3388	}
2238		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
2239	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
2240	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
2241	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2243	(async {	3436	(async {
2244	Event::one_event;	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3438	EV::loop EV::LOOP_ONESHOT;
2245	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
2246	};	3440	};
2247		3441
2248	cfg_load;	3442	evthread_start IO::AIO::poll_fileno;
2249	db_load;	3443
		3444	cf::sync_job {
		3445	reload_resources;
		3446	reload_config;
		3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
2250	load_extensions;	3460	load_extensions;
2251		3461
2252	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
2253	Event::loop;	3463
		3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
		3468	};
		3469
		3470	main_loop;
2254	}	3471	}
2255		3472
2256	#############################################################################	3473	#############################################################################
2257	# initialisation and cleanup	3474	# initialisation and cleanup
2258		3475
2259	# install some emergency cleanup handlers	3476	# install some emergency cleanup handlers
2260	BEGIN {	3477	BEGIN {
		3478	our %SIGWATCHER = ();
2261	for my $signal (qw(INT HUP TERM)) {	3479	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3480	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2263	data => WF_AUTOCANCEL,
2264	signal => $signal,
2265	cb => sub {
2266	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
2267	},
2268	);	3482	};
		3483	}
		3484	}
		3485
		3486	sub write_runtime_sync {
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2269	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
		3544	$uuid_skip = 0;
		3545
		3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3547	and return;
		3548
		3549	# always fsync - this file is important
		3550	aio_fsync $fh
		3551	and return;
		3552
		3553	close $fh
		3554	or return;
		3555
		3556	aio_rename "$uuid~", $uuid
		3557	and return;
		3558
		3559	warn "uuid file written ($value).\n";
		3560
		3561	1
		3562
		3563	}
		3564
		3565	sub write_uuid($$) {
		3566	my ($skip, $sync) = @_;
		3567
		3568	$sync ? write_uuid_sync $skip
		3569	: async { write_uuid_sync $skip };
2270	}	3570	}
2271		3571
2272	sub emergency_save() {	3572	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
2274		3574
2275	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
2276		3576
2277	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
2278	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
2279	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
2280	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
2281	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
2282	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
2283	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
2284	$pl->valid or next;	3589	$pl->valid or next;
		3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2285	$pl->save;	3591	$pl->save;
2286	}	3592	}
2287	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
2288		3594
2289	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
2290	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
2291	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3598	$map->valid or next;
2293	$map->save;	3599	$map->save;
2294	}	3600	}
2295	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
		3602
		3603	warn "emergency_perl_save: begin database checkpoint\n";
		3604	BDB::db_env_txn_checkpoint $DB_ENV;
		3605	warn "emergency_perl_save: end database checkpoint\n";
		3606
		3607	warn "emergency_perl_save: begin write uuid\n";
		3608	write_uuid_sync 1;
		3609	warn "emergency_perl_save: end write uuid\n";
2296	};	3610	};
2297		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
2298	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
2299	}	3618	}
2300		3619
		3620	sub post_cleanup {
		3621	my ($make_core) = @_;
		3622
		3623	warn Carp::longmess "post_cleanup backtrace"
		3624	if $make_core;
		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
		3654	}
		3655
2301	sub reload() {	3656	sub do_reload_perl() {
2302	# can/must only be called in main	3657	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
2305	return;	3660	return;
2306	}	3661	}
2307		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
2308	warn "reloading...";	3668	warn "reloading...";
2309		3669
2310	warn "cancelling server ticker";	3670	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3671
		3672	cf::sync_job {
		3673	cf::write_runtime_sync; # external watchdog should not bark
2313	cf::emergency_save;	3674	cf::emergency_save;
		3675	cf::write_runtime_sync; # external watchdog should not bark
2314		3676
2315	eval {	3677	warn "syncing database to disk";
		3678	BDB::db_env_txn_checkpoint $DB_ENV;
		3679
2316	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
2317		3681
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320
2321	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}
2325
2326	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
2327	for (;;) {	3683	while (IO::AIO::nreqs || BDB::nreqs) {
2328	IO::AIO::flush;	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2329	Coro::cede;
2330	last unless IO::AIO::nreqs;
2331	warn "iterate...";
2332	}
2333
2334	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();
2337
2338	warn "removing commands";
2339	%COMMAND = ();
2340
2341	warn "removing ext commands";
2342	%EXTCMD = ();
2343
2344	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";
2347
2348	if (my $cb = $pkg->can ("unload")) {
2349	eval {
2350	$cb->($pkg);
2351	1
2352	} or warn "$pkg unloaded, but with errors: $@";
2353	}	3685	}
2354		3686
2355	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
2356	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
2357	}	3689	%EXT_CORO = ();
2358		3690
2359	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
2360	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2362		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
2363	warn "... unloading $k";	3700	warn "... unloading $pkg";
2364	delete $INC{$k};
2365		3701
2366	$k =~ s/\.pm$//;
2367	$k =~ s/\//::/g;
2368
2369	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
2370	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
2371	}	3711	}
2372		3712
2373	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
2374	}	3728	}
2375		3729
2376	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
2377	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3733
2380	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
		3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2382		3737
2383	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3739	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
2386		3741
2387	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
2388		3743
2389	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
2390	require cf;	3745	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		3747
2393	warn "loading config and database again";	3748	warn "loading config and database again";
2394	cf::cfg_load;	3749	cf::reload_config;
2395	cf::db_load;
2396		3750
2397	warn "loading extensions";	3751	warn "loading extensions";
2398	cf::load_extensions;	3752	cf::load_extensions;
2399		3753
		3754	if ($REATTACH_ON_RELOAD) {
2400	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
2401	_global_reattach;	3756	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
		3759	warn "reattaching attachments to players";
		3760	reattach $_ for values %PLAYER;
		3761	}
2404		3762
2405	warn "restarting server ticker";	3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
2406		3765
2407	$TICK_WATCHER->start;	3766	warn "leaving sync_job";
		3767
		3768	1
		3769	} or do {
		3770	warn $@;
		3771	cf::cleanup "error while reloading, exiting.";
		3772	};
		3773
		3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
		3780	};
		3781
		3782	our $RELOAD_WATCHER; # used only during reload
		3783
		3784	sub reload_perl() {
		3785	# doing reload synchronously and two reloads happen back-to-back,
		3786	# coro crashes during coro_state_free->destroy here.
		3787
		3788	$RELOAD_WATCHER ||= cf::async {
		3789	Coro::AIO::aio_wait cache_extensions;
		3790
		3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3792	do_reload_perl;
		3793	undef $RELOAD_WATCHER;
		3794	};
2408	};	3795	};
2409		3796	}
2410	if ($@) {
2411	warn $@;
2412	warn "error while reloading, exiting.";
2413	exit 1;
2414	}
2415
2416	warn "reloaded";
2417	};
2418
2419	our $RELOAD_WATCHER; # used only during reload
2420		3797
2421	register_command "reload" => sub {	3798	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
2423		3800
2424	if ($who->flag (FLAG_WIZ)) {	3801	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3802	$who->message ("reloading server.");
2426		3803	async {
2427	# doing reload synchronously and two reloads happen back-to-back,	3804	$Coro::current->{desc} = "perl_reload";
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;	3805	reload_perl;
2432	undef $RELOAD_WATCHER;
2433	});	3806	};
2434	}	3807	}
2435	};	3808	};
2436		3809
2437	unshift @INC, $LIBDIR;	3810	unshift @INC, $LIBDIR;
2438		3811
2439	my $bug_warning = 0;	3812	my $bug_warning = 0;
2440		3813
2441	$TICK_WATCHER = Event->timer (	3814	our @WAIT_FOR_TICK;
2442	reentrant => 0,	3815	our @WAIT_FOR_TICK_BEGIN;
2443	parked => 1,	3816
2444	prio => 0,	3817	sub wait_for_tick {
2445	at => $NEXT_TICK || $TICK,	3818	return if tick_inhibit || $Coro::current == $Coro::main;
2446	data => WF_AUTOCANCEL,	3819
2447	cb => sub {	3820	my $signal = new Coro::Signal;
		3821	push @WAIT_FOR_TICK, $signal;
		3822	$signal->wait;
		3823	}
		3824
		3825	sub wait_for_tick_begin {
		3826	return if tick_inhibit || $Coro::current == $Coro::main;
		3827
		3828	my $signal = new Coro::Signal;
		3829	push @WAIT_FOR_TICK_BEGIN, $signal;
		3830	$signal->wait;
		3831	}
		3832
		3833	sub tick {
2448	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
2451	return;	3837	return;
2452	}	3838	}
2453		3839
2454	$NOW = Event::time;
2455
2456	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
2457	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;
2459		3841
2460	$WAIT_FOR_TICK->broadcast;	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2462		3844	Coro::async_pool {
2463	# if we are delayed by four ticks or more, skip them all	3845	$Coro::current->{desc} = "runtime saver";
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2465
2466	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;
2468	},
2469	);
2470
2471	IO::AIO::max_poll_time $TICK * 0.2;
2472
2473	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,
2483	after => 1,
2484	interval => 10,
2485	prio => 6, # keep it lowest so it acts like a watchdog
2486	cb => Coro::unblock_sub {
2487	write_runtime	3846	write_runtime_sync
2488	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
		3848	};
2489	},	3849	}
2490	);	3850
		3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3852	$sig->send;
		3853	}
		3854	while (my $sig = shift @WAIT_FOR_TICK) {
		3855	$sig->send;
		3856	}
		3857
		3858	$LOAD = ($NOW - $TICK_START) / $TICK;
		3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3860
		3861	if (0) {
		3862	if ($NEXT_TICK) {
		3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
		3867	}
		3868	}
		3869
		3870	{
		3871	# configure BDB
		3872
		3873	BDB::min_parallel 8;
		3874	BDB::max_poll_reqs $TICK * 0.1;
		3875	$AnyEvent::BDB::WATCHER->priority (1);
		3876
		3877	unless ($DB_ENV) {
		3878	$DB_ENV = BDB::db_env_create;
		3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3884
		3885	cf::sync_job {
		3886	eval {
		3887	BDB::db_env_open
		3888	$DB_ENV,
		3889	$BDBDIR,
		3890	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3891	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3892	0666;
		3893
		3894	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3895	};
		3896
		3897	cf::cleanup "db_env_open(db): $@" if $@;
		3898	};
		3899	}
		3900
		3901	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3902	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3903	};
		3904	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3905	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3906	};
		3907	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3908	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3909	};
		3910	}
		3911
		3912	{
		3913	# configure IO::AIO
		3914
		3915	IO::AIO::min_parallel 8;
		3916	IO::AIO::max_poll_time $TICK * 0.1;
		3917	undef $AnyEvent::AIO::WATCHER;
		3918	}
		3919
		3920	my $_log_backtrace;
		3921
		3922	sub _log_backtrace {
		3923	my ($msg, @addr) = @_;
		3924
		3925	$msg =~ s/\n//;
		3926
		3927	# limit the # of concurrent backtraces
		3928	if ($_log_backtrace < 2) {
		3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
		3931	async {
		3932	$Coro::current->{desc} = "abt $msg";
		3933
		3934	my @bt = fork_call {
		3935	@addr = map { sprintf "%x", $_ } @addr;
		3936	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3937	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3938	or die "addr2line: $!";
		3939
		3940	my @funcs;
		3941	my @res = <$fh>;
		3942	chomp for @res;
		3943	while (@res) {
		3944	my ($func, $line) = splice @res, 0, 2, ();
		3945	push @funcs, "[$func] $line";
		3946	}
		3947
		3948	@funcs
		3949	};
		3950
		3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3953	LOG llevInfo, "[ABT] $_\n" for @bt;
		3954	--$_log_backtrace;
		3955	};
		3956	} else {
		3957	LOG llevInfo, "[ABT] $msg\n";
		3958	LOG llevInfo, "[ABT] [suppressed]\n";
		3959	}
		3960	}
		3961
		3962	# load additional modules
		3963	require "cf/$_.pm" for @EXTRA_MODULES;
2491		3964
2492	END { cf::emergency_save }	3965	END { cf::emergency_save }
2493		3966
2494	1	3967	1
2495		3968

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