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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.177 by root, Sun Jan 14 22:54:18 2007 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 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 + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	550	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		551
358	aio_fsync $fh	552	sub fork_call(&@) {
359	and return;	553	my ($cb, @args) = @_;
360		554
361	close $fh	555	# we seemingly have to make a local copy of the whole thing,
362	or return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
363		558
364	aio_rename "$runtime~", $runtime	559	my @res = Coro::Util::fork_eval {
365	and return;	560	reset_signals;
		561	&$cb
		562	}, @args;
366		563
		564	wantarray ? @res : $res[-1]
		565	}
		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($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
367	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		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 });
368	}	730	}
369		731
370	=back	732	=back
371		733
372	=cut	734	=cut
373		735
374	#############################################################################	736	#############################################################################
375		737
376	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
377		739
378	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
379	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")
380	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
381		743
382	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>
383	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
384	crossfire+).	746	Deliantra).
385		747
386	=over 4	748	=over 4
387		749
388	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
389		751
…		…
433	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
434		796
435	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
437		799
438	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
439	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.
440		802
441	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
442		804
443	=over 4	805	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
553		915
554	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		920
559	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	922	my $pkg = shift @arg;
561		923
562	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
592	}	954	}
593		955
594	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
595	} else {	957	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	959	}
598		960
599	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
600	}	962	}
601		963
…		…
603	if (ref $_[0]) {	965	if (ref $_[0]) {
604	_object_attach @_;	966	_object_attach @_;
605	} else {	967	} else {
606	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
607	}	969	}
		970	_recalc_want;
608	};	971	};
609		972
610	# all those should be optimised	973	# all those should be optimised
611	sub cf::attachable::detach {	974	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
616	reattach ($obj);	979	reattach ($obj);
617	} else {	980	} else {
618	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
619	}	982	}
		983	_recalc_want;
620	};	984	};
621		985
622	sub cf::attachable::attached {	986	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
624		988
…		…
639	";	1003	";
640	die if $@;	1004	die if $@;
641	}	1005	}
642		1006
643	our $override;	1007	our $override;
644	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?
645		1009
646	sub override {	1010	sub override {
647	$override = 1;	1011	$override = 1;
648	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
649	}	1013	}
650		1014
651	sub do_invoke {	1015	sub do_invoke {
652	my $event = shift;	1016	my $event = shift;
653	my $callbacks = shift;	1017	my $callbacks = shift;
654		1018
655	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
656		1020
657	local $override;	1021	local $override;
658		1022
659	for (@$callbacks) {	1023	for (@$callbacks) {
660	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
669	}	1033	}
670		1034
671	0	1035	0
672	}	1036	}
673		1037
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1039
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1041
678	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
679		1043
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1047
684	=back	1048	=back
685		1049
686	=cut	1050	=cut
687		1051
688	#############################################################################	1052	#############################################################################
689	# 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, $ob2
		1095	}
690		1096
691	sub reattach {	1097	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1099	my ($obj) = @_;
694		1100
		1101	# no longer needed after getting rid of delete_package?
695	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
696		1103
697	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
698		1105
699	@$registry = ();	1106	@$registry = ();
700		1107
…		…
715	cf::attachable->attach (	1122	cf::attachable->attach (
716	prio => -1000000,	1123	prio => -1000000,
717	on_instantiate => sub {	1124	on_instantiate => sub {
718	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
719		1126
720	$data = from_json $data;	1127	$data = decode_json $data;
721		1128
722	for (@$data) {	1129	for (@$data) {
723	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
724		1131
725	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1148	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
743		1150
744	sync_job {	1151	sync_job {
745	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
748		1156
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
751	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;
752	aio_fsync $fh;	1162	aio_fsync $fh;
		1163	}
753	close $fh;	1164	aio_close $fh;
754		1165
755	if (@$objs) {	1166	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	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;
760	aio_fsync $fh;	1173	aio_fsync $fh;
		1174	}
761	close $fh;	1175	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
763	}	1177	}
764	} else {	1178	} else {
765	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
766	}	1180	}
767		1181
768	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1186	} else {
770	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
771	}	1188	}
772	} else {	1189	} else {
773	aio_unlink $filename;	1190	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
775	}	1192	}
776	}	1193	};
777	}	1194	}
778		1195
779	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
781		1198
…		…
793	or return;	1210	or return;
794		1211
795	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
797	or return;	1214	or return;
		1215
798	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
799	}	1218	}
800		1219
		1220	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
803	return ($data, $av);	1224	($data, $av)
804	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
805		1232
806	#############################################################################	1233	#############################################################################
807	# command handling &c	1234	# command handling &c
808		1235
809	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1250	}
824		1251
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1253
827	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.
828		1259
829	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
830	called.	1261	called.
831		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
832	=cut	1274	=cut
833		1275
834	sub register_extcmd {	1276	sub register_extcmd {
835	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
836		1278
837	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
838	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
839		1289
840	cf::player->attach (	1290	cf::player->attach (
841	on_command => sub {	1291	on_command => sub {
842	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
843		1293
…		…
851	cf::override;	1301	cf::override;
852	},	1302	},
853	on_extcmd => sub {	1303	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
855		1305
856	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1307
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
864	} else {	1323	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1325	}
867		1326
868	cf::override;	1327	cf::override;
869	},	1328	},
870	);	1329	);
871		1330
		1331	# "readahead" all extensions
872	sub load_extension {	1332	sub cache_extensions {
873	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
874		1334
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1338	}
900	die $@;
901	}	1339	};
902		1340
903	push @EXTS, $pkg;	1341	$grp
904	}	1342	}
905		1343
906	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
907	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1349	next unless -r $path;
909	eval {	1350
910	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	$progress = 1;
911	1	1407	}
912	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
913	}	1413	};
914	}	1414	}
915		1415
916	#############################################################################	1416	#############################################################################
917		1417
		1418	=back
		1419
918	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
919		1421
920	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
921		1423
922	=cut	1424	=cut
923		1425
924	package cf::player;	1426	package cf::player;
925		1427
…		…
927		1429
928	=head3 cf::player	1430	=head3 cf::player
929		1431
930	=over 4	1432	=over 4
931		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
932	=item cf::player::find $login	1448	=item cf::player::find $login
933		1449
934	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
935		1451
936	=cut	1452	=cut
937		1453
938	sub playerdir($) {	1454	sub playerdir($) {
939	cf::localdir	1455	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1457	}
945		1458
946	sub path($) {	1459	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1461
949	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
950	}	1463	}
951		1464
952	sub find_active($) {	1465	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
957		1470
958	sub exists($) {	1471	sub exists($) {
959	my ($login) = @_;	1472	my ($login) = @_;
960		1473
961	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1475	or !aio_stat path $login
963	}	1476	}
964		1477
965	sub find($) {	1478	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1480	my $login = $_[0];
968		1481
969	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
970		1483
971	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
972	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
973	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;
974	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
975	}	1501	}
976	}	1502	}
977	}	1503	}
978		1504
…		…
987	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
988		1514
989	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
991		1517
		1518	cf::get_slot 0.01;
		1519
992	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
993	Coro::cede;	1521	cf::cede_to_tick;
994	}	1522	}
995		1523
996	sub new($) {	1524	sub new($) {
997	my ($login) = @_;	1525	my ($login) = @_;
998		1526
…		…
1004	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1005		1533
1006	$self	1534	$self
1007	}	1535	}
1008		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
1009	=item $pl->quit_character	1547	=item $pl->quit_character
1010		1548
1011	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1013		1551
1014	=cut	1552	=cut
1015		1553
1016	sub quit_character {	1554	sub quit_character {
1017	my ($pl) = @_;	1555	my ($pl) = @_;
1018		1556
		1557	my $name = $pl->ob->name;
		1558
1019	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1020	$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
1021		1561
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1026		1568
1027	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1571	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1572	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1595	}
1034		1596
1035	=item cf::player::list_logins	1597	=item cf::player::list_logins
1036		1598
1037	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
1038	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1039		1601
1040	=cut	1602	=cut
1041		1603
1042	sub list_logins {	1604	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1606	or return [];
1045		1607
1046	my @logins;	1608	my @logins;
1047		1609
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1052		1620
1053	utf8::decode $login;	1621	utf8::decode $login;
1054	push @logins, $login;	1622	push @logins, $login;
1055	}	1623	}
1056		1624
…		…
1064		1632
1065	=cut	1633	=cut
1066		1634
1067	sub maps($) {	1635	sub maps($) {
1068	my ($pl) = @_;	1636	my ($pl) = @_;
		1637
		1638	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1639
1070	my $files = aio_readdir playerdir $pl	1640	my $files = aio_readdir playerdir $pl
1071	or return;	1641	or return;
1072		1642
1073	my @paths;	1643	my @paths;
…		…
1075	for (@$files) {	1645	for (@$files) {
1076	utf8::decode $_;	1646	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1647	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1648	next unless /^$PATH_SEP/o;
1079		1649
1080	s/\.map$//;	1650	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1651	}
1083		1652
1084	\@paths	1653	\@paths
1085	}	1654	}
1086		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1088		1661
1089	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1090		1663
1091	=cut	1664	=cut
1092		1665
1093	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1095		1668
1096	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1670	}
1100		1671
1101	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	}
1102		1712
1103	=back	1713	=back
1104
1105		1714
1106	=head3 cf::map	1715	=head3 cf::map
1107		1716
1108	=over 4	1717	=over 4
1109		1718
…		…
1121	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1123		1732
1124	sub generate_random_map {	1733	sub generate_random_map {
1125	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
1126		1737
1127	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1739	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1749	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1750	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1751	)
1141	}	1752	}
1142		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
1143	sub register {	1762	sub register {
1144	my (undef, $regex) = @_;	1763	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1764	my $pkg = caller;
1146		1765
1147	no strict;	1766	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1767	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1768
1150	$EXT_MAP{$pkg} = qr<$regex>;	1769	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1770	}
1152		1771
1153	# also paths starting with '/'	1772	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1773	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1774
1156	sub thawer_merge {	1775	sub thawer_merge {
1157	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1158		1777
1159	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1160	local $self->{path};	1779	local $self->{path};
1161	local $self->{load_path};	1780	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1781
1165	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1166	}	1783	}
1167		1784
1168	sub normalise {	1785	sub normalise {
1169	my ($path, $base) = @_;	1786	my ($path, $base) = @_;
		1787
		1788	$path = "$path"; # make sure its a string
		1789
		1790	$path =~ s/\.map$//;
1170		1791
1171	# map plan:	1792	# map plan:
1172	#	1793	#
1173	# /! non-realised random map exit (special hack!)	1794	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1795	# {... are special paths that are not being touched
…		…
1202		1823
1203	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
1204		1825
1205	$path = normalise $path, $base;	1826	$path = normalise $path, $base;
1206		1827
1207	for my $pkg (keys %EXT_MAP) {	1828	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1829	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1830	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1831	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1212	return $self;	1833	return $self;
1213	}	1834	}
1214	}	1835	}
1215		1836
1216	Carp::carp "unable to resolve path '$path'.";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1838	()
1218	}	1839	}
1219		1840
1220	sub init {	1841	sub init {
1221	my ($self) = @_;	1842	my ($self) = @_;
…		…
1236		1857
1237	# the original (read-only) location	1858	# the original (read-only) location
1238	sub load_path {	1859	sub load_path {
1239	my ($self) = @_;	1860	my ($self) = @_;
1240		1861
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1242	}	1863	}
1243		1864
1244	# the temporary/swap location	1865	# the temporary/swap location
1245	sub save_path {	1866	sub save_path {
1246	my ($self) = @_;	1867	my ($self) = @_;
1247		1868
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1250	}	1871	}
1251		1872
1252	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1253	sub uniq_path {	1874	sub uniq_path {
1254	my ($self) = @_;	1875	my ($self) = @_;
1255		1876
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1258	}	1879	}
1259		1880
1260	# and all this just because we cannot iterate over	1881	sub decay_objects {
1261	# all maps in C++...
1262	sub change_all_map_light {
1263	my ($change) = @_;	1882	my ($self) = @_;
1264		1883
1265	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1266	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1267	}	1887	}
1268		1888
1269	sub unlink_save {	1889	sub unlink_save {
1270	my ($self) = @_;	1890	my ($self) = @_;
1271		1891
…		…
1276		1896
1277	sub load_header_from($) {	1897	sub load_header_from($) {
1278	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1279		1899
1280	utf8::encode $path;	1900	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1282	or return;	1902	or return;
1283		1903
1284	$self->_load_header ($path)	1904	$self->_load_header ($f)
1285	or return;	1905	or return;
1286		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
		1909
1287	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1288		1911
1289	1	1912	1
1290	}	1913	}
1291		1914
1292	sub load_orig {	1915	sub load_header_orig {
1293	my ($self) = @_;	1916	my ($self) = @_;
1294		1917
1295	$self->load_header_from ($self->load_path)	1918	$self->load_header_from ($self->load_path)
1296	}	1919	}
1297		1920
1298	sub load_temp {	1921	sub load_header_temp {
1299	my ($self) = @_;	1922	my ($self) = @_;
1300		1923
1301	$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;
1302	}	1944	}
1303		1945
1304	sub load_header {	1946	sub load_header {
1305	my ($self) = @_;	1947	my ($self) = @_;
1306		1948
1307	if ($self->load_temp) {	1949	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1950	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1951	} else {
1314	$self->load_orig	1952	$self->load_header_orig
1315	or return;	1953	or return;
1316		1954	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	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;
1322		1962
1323	1	1963	1
1324	}	1964	}
1325		1965
1326	sub find;	1966	sub find;
1327	sub find {	1967	sub find {
1328	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1329		1969
1330	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1331		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1332	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1333		1974
1334	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1335	my $guard = cf::lock_acquire "map_find:$path";
1336	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1337	or return;	1977	or return;
1338		1978
1339	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1340		1980
1341	$map->load_header	1981	$map->load_header
1342	or return;	1982	or return;
1343		1983
1344	if ($map->should_reset) {	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1985	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1346	$map->reset;	1989	$map->reset;
1347	undef $guard;
1348	$map = find $path	1990	return find $path;
1349	or return;
1350	}	1991	}
1351		1992
1352	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1353	}	1994	}
1354	}	1995	}
		1996
		1997	sub pre_load { }
		1998	sub post_load { }
1355		1999
1356	sub load {	2000	sub load {
1357	my ($self) = @_;	2001	my ($self) = @_;
1358		2002
		2003	local $self->{deny_reset} = 1; # loading can take a long time
		2004
1359	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1360	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1361		2009
		2010	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		2012
1364	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1365		2014
1366	$self->alloc;	2015	$self->alloc;
1367	$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)
1368	or return;	2023	or return;
1369		2024
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1371	if delete $self->{load_original};	2026	if delete $self->{load_original};
1372		2027
1373	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	2029	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	2032	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1378	}	2036	}
1379	}	2037	}
1380		2038
1381	Coro::cede;	2039	$f->resolve_delayed_derefs;
1382		2040
		2041	cf::cede_to_tick;
1383	# now do the right thing for maps	2042	# now do the right thing for maps
1384	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	2045	unless $self->difficulty;
1394	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;
1395	$self->activate;	2053	$self->activate;
1396	}	2054	}
1397		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
1398	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
		2060	}
		2061
		2062	$self->post_load;
1399	}	2063	}
1400		2064
1401	sub customise_for {	2065	sub customise_for {
1402	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1403		2067
1404	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	2069	if $self->per_player;
1406		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1407	$self	2074	$self
1408	}	2075	}
1409		2076
1410	# 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
1411	sub load_diag {	2078	sub load_neighbours {
1412	my ($map) = @_;	2079	my ($map) = @_;
1413		2080
1414	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1415		2082
1416	for (0 .. 3) {	2083	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1418	or next;	2085	or next;
1419	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1420	or next;	2087	or next;
1421	$neigh->load;	2088	$neigh->load;
1422		2089
		2090	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	2093	}
1426		2094
1427	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1429	or next;	2098	or next;
1430	$neigh->load;	2099	$neigh->load;
1431	}	2100	}
1432	}	2101	}
1433		2102
…		…
1438	}	2107	}
1439		2108
1440	sub do_load_sync {	2109	sub do_load_sync {
1441	my ($map) = @_;	2110	my ($map) = @_;
1442		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1443	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1444	}	2116	}
1445		2117
1446	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	2119	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		2120
1460	sub find_async {	2121	sub find_async {
1461	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1462		2123
1463	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1464		2125
1465	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2128	}
		2129
		2130	$MAP_PREFETCH{$path} |= $load;
		2131
		2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
		2135	while (%MAP_PREFETCH) {
		2136	while (my ($k, $v) = each %MAP_PREFETCH) {
		2137	if (my $map = find $k) {
		2138	$map->load if $v;
		2139	}
		2140
		2141	delete $MAP_PREFETCH{$k};
		2142	}
		2143	}
		2144	undef $MAP_PREFETCHER;
1467	}	2145	};
1468
1469	$MAP_PREFETCH{$path} = 0;
1470	$MAP_PREFETCHER->ready;	2146	$MAP_PREFETCHER->prio (6);
1471		2147
1472	()	2148	()
1473	}	2149	}
1474		2150
1475	sub save {	2151	sub save {
1476	my ($self) = @_;	2152	my ($self) = @_;
1477		2153
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1479		2155
1480	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1481		2157
1482	return unless $self->dirty;	2158	return unless $self->dirty;
1483		2159
…		…
1489	return if $self->{deny_save};	2165	return if $self->{deny_save};
1490		2166
1491	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1492		2168
1493	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1494	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1495	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1496		2175
1497	if ($uniq) {	2176	if ($uniq) {
1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1500	} else {	2179	} else {
…		…
1506	my ($self) = @_;	2185	my ($self) = @_;
1507		2186
1508	# save first because save cedes	2187	# save first because save cedes
1509	$self->save;	2188	$self->save;
1510		2189
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2191
1513	return if $self->players;	2192	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1515	return if $self->{deny_save};	2194	return if $self->{deny_save};
1516		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1517	$self->clear;	2200	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2201	}
1520		2202
1521	sub reset_at {	2203	sub reset_at {
1522	my ($self) = @_;	2204	my ($self) = @_;
1523		2205
1524	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1527		2208
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	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;
1530		2211
…		…
1541	my ($self) = @_;	2222	my ($self) = @_;
1542		2223
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2225
1545	return if $self->players;	2226	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2227
1548	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	}
1549		2239
1550	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1551		2241
1552	$self->in_memory (cf::MAP_SWAPPED);	2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1553	$self->clear;	2244	$self->clear;
1554
1555	$_->clear_links_to ($self) for values %cf::MAP;
1556		2245
1557	$self->unlink_save;	2246	$self->unlink_save;
1558	$self->destroy;	2247	$self->destroy;
1559	}	2248	}
1560		2249
1561	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1562		2251
1563	sub nuke {	2252	sub nuke {
1564	my ($self) = @_;	2253	my ($self) = @_;
1565		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1566	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1567		2259
1568	$self->unlink_save;	2260	$self->unlink_save;
1569		2261
1570	bless $self, "cf::map";	2262	bless $self, "cf::map";
1571	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1572	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1573	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575		2267
1576	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1577		2270
1578	$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	]
1579	}	2308	}
1580		2309
1581	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1582		2311
1583	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2313	instantiated unique items. May block.
1585		2314
1586	=cut	2315	=cut
1587		2316
1588	sub unique_maps() {	2317	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1590	or return;	2319	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2320	utf8::decode $_;
1596	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1597	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1598		2323	? ()
1599	s/\.map$//;	2324	: normalise $_
1600	push @paths, $_;	2325	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2326	]
1602
1603	\@paths
1604	}	2327	}
1605
1606	package cf;
1607		2328
1608	=back	2329	=back
1609		2330
1610	=head3 cf::object	2331	=head3 cf::object
1611		2332
…		…
1615		2336
1616	=over 4	2337	=over 4
1617		2338
1618	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1619		2340
1620	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.
1621		2343
1622	=cut	2344	=cut
1623		2345
1624	sub inv_recursive_;	2346	sub inv_recursive_;
1625	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1628		2350
1629	sub inv_recursive {	2351	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1631	}	2353	}
1632		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
1633	package cf;	2383	package cf;
1634		2384
1635	=back	2385	=back
1636		2386
1637	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1643	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>
1644	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
1645	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1646		2396
1647	=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	};
1648		2412
1649	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1650	# with dialog boxes.	2414	# with dialog boxes.
1651	#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
1652	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1654		2418
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2420
1657	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1659	} 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 {
1660	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1662	}	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 (@_);
1663	}	2446	}
1664		2447
1665	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1666		2449
1667	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1680		2463
1681	=item $player_object->enter_link	2464	=item $player_object->enter_link
1682		2465
1683	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}>).
1684		2467
1685	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.
1686	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.
1687		2472
1688	Will never block.	2473	Will never block.
1689		2474
1690	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1691		2476
…		…
1699	=cut	2484	=cut
1700		2485
1701	sub link_map {	2486	sub link_map {
1702	unless ($LINK_MAP) {	2487	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2488	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2489	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2490	$LINK_MAP->load;
1706	}	2491	}
1707		2492
1708	$LINK_MAP	2493	$LINK_MAP
1709	}	2494	}
…		…
1714	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1715		2500
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2502
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1720		2505
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2507	}
1723		2508
1724	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1726		2513
1727	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1728		2515
1729	unless ($map) {	2516	unless ($map) {
1730	# restore original map position	2517	# restore original map position
…		…
1744	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1747		2534
1748	$map->load;	2535	$map->load;
1749	$map->load_diag;	2536	$map->load_neighbours;
1750		2537
1751	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539
		2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2541	$self->enter_map ($map, $x, $y);
		2542
		2543	# only activate afterwards, to support waiting in hooks
1752	$self->activate_recursive;	2544	$self->activate_recursive;
1753	$self->enter_map ($map, $x, $y);
1754	}	2545	}
1755		2546
1756	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2548
1760	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1764	};	2553	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2554
1770	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1771	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787		2557
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1791		2561
1792	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
		2564
		2565	# do generation counting so two concurrent goto's will be executed in-order
		2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2567
1795	$self->enter_link;	2568	$self->enter_link;
1796		2569
1797	(async {	2570	(async {
1798	my $map = cf::map::find $path;	2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
		2592	my $map = eval {
		2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
1800		2597	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2598	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
1805		2601
		2602	$map
		2603	};
		2604
		2605	if ($@) {
		2606	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	LOG llevError | logBacktrace, Carp::longmess $@;
		2608	}
		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1807	})->prio (1);	2616	})->prio (1);
1808	}	2617	}
1809		2618
1810	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1811		2620
…		…
1813		2622
1814	sub parse_random_map_params {	2623	sub parse_random_map_params {
1815	my ($spec) = @_;	2624	my ($spec) = @_;
1816		2625
1817	my $rmp = { # defaults	2626	my $rmp = { # defaults
1818	xsize => 10,	2627	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2628	ysize => (cf::rndm 15, 40),
		2629	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2630	#layout => string,
1820	};	2631	};
1821		2632
1822	for (split /\n/, $spec) {	2633	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2634	my ($k, $v) = split /\s+/, $_, 2;
1824		2635
…		…
1836	# that depends on the exit object	2647	# that depends on the exit object
1837		2648
1838	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
1839		2650
1840	if ($exit->map) {	2651	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2652	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1845	}	2658	}
1846		2659
1847	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1848		2661
1849	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1850	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1851	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1852		2665
1853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1855	undef $fh;	2668	undef $fh;
1856	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1857		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1858	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1859	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1860	}	2677	}
1861	}	2678	}
1862		2679
1863	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1864	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
…		…
1866	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1867		2684
1868	$self->enter_link;	2685	$self->enter_link;
1869		2686
1870	(async {	2687	(async {
1871	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1872	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
1873	prepare_random_map $exit	2697	prepare_random_map $exit
1874	if $exit->slaying eq "/!";	2698	if $exit->slaying eq "/!";
		2699	}
1875		2700
1876	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1877	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
1878		2704
		2705	$self->goto ($map, $x, $y);
		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
1879	1;	2711	1
1880	}) {	2712	}) {
1881	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1882	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1883	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1884	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1885		2717
1886	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1887	$self->leave_link;	2719	$self->leave_link;
1888	}	2720	}
1889	})->prio (1);	2721	})->prio (1);
…		…
1902		2734
1903	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1904	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1905		2737
1906	utf8::encode $text;	2738	utf8::encode $text;
1907	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1908	}	2740	}
1909		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/statistics" => {
		2790	id => "infobox",
		2791	title => "Statistics",
		2792	reply => undef,
		2793	tooltip => "Shows your primary statistics",
		2794	},
		2795	"c/skills" => {
		2796	id => "infobox",
		2797	title => "Skills",
		2798	reply => undef,
		2799	tooltip => "Shows your experience per skill and item power",
		2800	},
		2801	"c/shopitems" => {
		2802	id => "infobox",
		2803	title => "Shop Items",
		2804	reply => undef,
		2805	tooltip => "Shows the items currently for sale in this shop",
		2806	},
		2807	"c/resistances" => {
		2808	id => "infobox",
		2809	title => "Resistances",
		2810	reply => undef,
		2811	tooltip => "Shows your resistances",
		2812	},
		2813	"c/pets" => {
		2814	id => "infobox",
		2815	title => "Pets",
		2816	reply => undef,
		2817	tooltip => "Shows information abotu your pets/a specific pet",
		2818	},
		2819	"c/perceiveself" => {
		2820	id => "infobox",
		2821	title => "Perceive Self",
		2822	reply => undef,
		2823	tooltip => "You gained detailed knowledge about yourself",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	"c/death" => {
		2844	id => "death",
		2845	title => "Death",
		2846	reply => undef,
		2847	tooltip => "Reason for and more info about your most recent death",
		2848	},
		2849	"c/say" => $SAY_CHANNEL,
		2850	"c/chat" => $CHAT_CHANNEL,
		2851	);
		2852
		2853	sub cf::client::send_msg {
		2854	my ($self, $channel, $msg, $color, @extra) = @_;
		2855
		2856	$msg = $self->pl->expand_cfpod ($msg)
		2857	unless $color & cf::NDI_VERBATIM;
		2858
		2859	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2860
		2861	# check predefined channels, for the benefit of C
		2862	if ($CHANNEL{$channel}) {
		2863	$channel = $CHANNEL{$channel};
		2864
		2865	$self->ext_msg (channel_info => $channel);
		2866	$channel = $channel->{id};
		2867
		2868	} elsif (ref $channel) {
		2869	# send meta info to client, if not yet sent
		2870	unless (exists $self->{channel}{$channel->{id}}) {
		2871	$self->{channel}{$channel->{id}} = $channel;
		2872	$self->ext_msg (channel_info => $channel);
		2873	}
		2874
		2875	$channel = $channel->{id};
		2876	}
		2877
		2878	return unless @extra || length $msg;
		2879
		2880	# default colour, mask it out
		2881	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2882	if $color & cf::NDI_DEF;
		2883
		2884	my $pkt = "msg "
		2885	. $self->{json_coder}->encode (
		2886	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2887	);
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if (8192 < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
		2902	=item $client->ext_msg ($type, @msg)
		2903
		2904	Sends an ext event to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_msg($$@) {
		2909	my ($self, $type, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
		2914	push @msg, msgtype => "event_$type";
		2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
		2935	}
1910		2936
1911	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
1912		2938
1913	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
1914	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1915	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1916		2942
1917	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
1918	reliable at some point in the future.	2944	become reliable at some point in the future.
1919		2945
1920	=cut	2946	=cut
1921		2947
1922	sub cf::client::query {	2948	sub cf::client::query {
1923	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
1931	utf8::encode $text;	2957	utf8::encode $text;
1932	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1933		2959
1934	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
1935	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
1936	}	2964	}
1937		2965
1938	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
1939	on_reply => sub {	2972	on_reply => sub {
1940	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
1941		2974
1942	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
1943	# get handled first	2976	# get handled first
1944	my $queue = delete $ns->{query_queue}	2977	my $queue = delete $ns->{query_queue}
1945	or return; # be conservative, not sure how that can happen, but we saw a crash here	2978	or return; # be conservative, not sure how that can happen, but we saw a crash here
1946		2979
1947	(shift @$queue)->[1]->($msg);	2980	(shift @$queue)->[1]->($msg);
		2981	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1948		2982
1949	push @{ $ns->{query_queue} }, @$queue;	2983	push @{ $ns->{query_queue} }, @$queue;
1950		2984
1951	if (@{ $ns->{query_queue} } == @$queue) {	2985	if (@{ $ns->{query_queue} } == @$queue) {
1952	if (@$queue) {	2986	if (@$queue) {
…		…
1954	} else {	2988	} else {
1955	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1956	}	2990	}
1957	}	2991	}
1958	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
1959	);	3019	);
1960		3020
1961	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
1962		3022
1963	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2004	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2005	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2006		3066
2007	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2008		3068
2009	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2010		3074
2011	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2012		3076
2013	=pod	3077	=pod
2014		3078
2015	The following fucntions and emthods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2016		3080
2017	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease split
		3084	value
		3085
2018	cf::object::player player	3086	cf::object::player
2019	cf::player peaceful	3087	player
2020	cf::map trigger	3088
		3089	cf::player
		3090	peaceful
		3091
		3092	cf::map
		3093	trigger
2021		3094
2022	=cut	3095	=cut
2023		3096
2024	for (	3097	for (
2025	["cf::object" => qw(contr pay_amount pay_player map)],	3098	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3099	insert remove inv nrof name archname title slaying race
		3100	decrease split destroy change_exp value msg lore send_msg)],
2026	["cf::object::player" => qw(player)],	3101	["cf::object::player" => qw(player)],
2027	["cf::player" => qw(peaceful)],	3102	["cf::player" => qw(peaceful send_msg)],
2028	["cf::map" => qw(trigger)],	3103	["cf::map" => qw(trigger)],
2029	) {	3104	) {
2030	no strict 'refs';	3105	no strict 'refs';
2031	my ($pkg, @funs) = @$_;	3106	my ($pkg, @funs) = @$_;
2032	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3107	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2049	my ($code, %vars) = @_;	3124	my ($code, %vars) = @_;
2050		3125
2051	my $qcode = $code;	3126	my $qcode = $code;
2052	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3127	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2053	$qcode =~ s/\n/\\n/g;	3128	$qcode =~ s/\n/\\n/g;
		3129
		3130	%vars = (_dummy => 0) unless %vars;
2054		3131
2055	local $_;	3132	local $_;
2056	local @safe::cf::_safe_eval_args = values %vars;	3133	local @safe::cf::_safe_eval_args = values %vars;
2057		3134
2058	my $eval =	3135	my $eval =
…		…
2101	=back	3178	=back
2102		3179
2103	=cut	3180	=cut
2104		3181
2105	#############################################################################	3182	#############################################################################
		3183	# the server's init and main functions
2106		3184
2107	=head2 EXTENSION DATABASE SUPPORT	3185	sub load_facedata($) {
		3186	my ($path) = @_;
2108		3187
2109	Crossfire maintains a very simple database for extension use. It can	3188	# HACK to clear player env face cache, we need some signal framework
2110	currently store anything that can be serialised using Storable, which	3189	# for this (global event?)
2111	excludes objects.	3190	%ext::player_env::MUSIC_FACE_CACHE = ();
2112		3191
2113	The parameter C<$family> should best start with the name of the extension	3192	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2114	using it, it should be unique.
2115		3193
2116	=over 4	3194	warn "loading facedata from $path\n";
2117		3195
2118	=item $hashref = cf::db_get $family	3196	my $facedata;
		3197	0 < aio_load $path, $facedata
		3198	or die "$path: $!";
2119		3199
2120	Return a hashref for use by the extension C<$family>, which can be	3200	$facedata = Coro::Storable::thaw $facedata;
2121	modified. After modifications, you have to call C<cf::db_dirty> or
2122	C<cf::db_sync>.
2123		3201
2124	=item $value = cf::db_get $family => $key	3202	$facedata->{version} == 2
		3203	or cf::cleanup "$path: version mismatch, cannot proceed.";
2125		3204
2126	Returns a single value from the database	3205	# patch in the exptable
2127		3206	$facedata->{resource}{"res/exp_table"} = {
2128	=item cf::db_put $family => $hashref	3207	type => FT_RSRC,
2129		3208	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2130	Stores the given family hashref into the database. Updates are delayed, if
2131	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2132
2133	=item cf::db_put $family => $key => $value
2134
2135	Stores the given C<$value> in the family hash. Updates are delayed, if you
2136	want the data to be synced to disk immediately, use C<cf::db_sync>.
2137
2138	=item cf::db_dirty
2139
2140	Marks the database as dirty, to be updated at a later time.
2141
2142	=item cf::db_sync
2143
2144	Immediately write the database to disk I<if it is dirty>.
2145
2146	=cut
2147
2148	our $DB;
2149
2150	{
2151	my $path = cf::localdir . "/database.pst";
2152
2153	sub db_load() {
2154	$DB = stat $path ? Storable::retrieve $path : { };
2155	}
2156
2157	my $pid;
2158
2159	sub db_save() {
2160	waitpid $pid, 0 if $pid;
2161	if (0 == ($pid = fork)) {
2162	$DB->{_meta}{version} = 1;
2163	Storable::nstore $DB, "$path~";
2164	rename "$path~", $path;
2165	cf::_exit 0 if defined $pid;
2166	}
2167	}
2168
2169	my $dirty;
2170
2171	sub db_sync() {
2172	db_save if $dirty;
2173	undef $dirty;
2174	}
2175
2176	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2177	db_sync;
2178	});	3209	};
		3210	cf::cede_to_tick;
2179		3211
2180	sub db_dirty() {
2181	$dirty = 1;
2182	$idle->start;
2183	}	3212	{
		3213	my $faces = $facedata->{faceinfo};
2184		3214
2185	sub db_get($;$) {	3215	while (my ($face, $info) = each %$faces) {
2186	@_ >= 2	3216	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2187	? $DB->{$_[0]}{$_[1]}
2188	: ($DB->{$_[0]} ||= { })
2189	}
2190		3217
2191	sub db_put($$;$) {	3218	cf::face::set_visibility $idx, $info->{visibility};
2192	if (@_ >= 3) {	3219	cf::face::set_magicmap $idx, $info->{magicmap};
2193	$DB->{$_[0]}{$_[1]} = $_[2];	3220	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2194	} else {	3221	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2195	$DB->{$_[0]} = $_[1];
2196	}
2197	db_dirty;
2198	}
2199		3222
2200	cf::global->attach (	3223	cf::cede_to_tick;
2201	prio => 10000,
2202	on_cleanup => sub {
2203	db_sync;
2204	},	3224	}
2205	);
2206	}
2207		3225
2208	#############################################################################	3226	while (my ($face, $info) = each %$faces) {
2209	# the server's main()	3227	next unless $info->{smooth};
2210		3228
2211	sub cfg_load {	3229	my $idx = cf::face::find $face
		3230	or next;
		3231
		3232	if (my $smooth = cf::face::find $info->{smooth}) {
		3233	cf::face::set_smooth $idx, $smooth;
		3234	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3235	} else {
		3236	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3237	}
		3238
		3239	cf::cede_to_tick;
		3240	}
		3241	}
		3242
		3243	{
		3244	my $anims = $facedata->{animinfo};
		3245
		3246	while (my ($anim, $info) = each %$anims) {
		3247	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3248	cf::cede_to_tick;
		3249	}
		3250
		3251	cf::anim::invalidate_all; # d'oh
		3252	}
		3253
		3254	{
		3255	# TODO: for gcfclient pleasure, we should give resources
		3256	# that gcfclient doesn't grok a >10000 face index.
		3257	my $res = $facedata->{resource};
		3258
		3259	while (my ($name, $info) = each %$res) {
		3260	if (defined $info->{type}) {
		3261	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3262	my $data;
		3263
		3264	if ($info->{type} & 1) {
		3265	# prepend meta info
		3266
		3267	my $meta = $enc->encode ({
		3268	name => $name,
		3269	%{ $info->{meta} || {} },
		3270	});
		3271
		3272	$data = pack "(w/a*)*", $meta, $info->{data};
		3273	} else {
		3274	$data = $info->{data};
		3275	}
		3276
		3277	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3278	cf::face::set_type $idx, $info->{type};
		3279	} else {
		3280	$RESOURCE{$name} = $info;
		3281	}
		3282
		3283	cf::cede_to_tick;
		3284	}
		3285	}
		3286
		3287	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3288
		3289	1
		3290	}
		3291
		3292	cf::global->attach (on_resource_update => sub {
		3293	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3294	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3295
		3296	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3297	my $sound = $soundconf->{compat}[$_]
		3298	or next;
		3299
		3300	my $face = cf::face::find "sound/$sound->[1]";
		3301	cf::sound::set $sound->[0] => $face;
		3302	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3303	}
		3304
		3305	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3306	my $face = cf::face::find "sound/$v";
		3307	cf::sound::set $k => $face;
		3308	}
		3309	}
		3310	});
		3311
		3312	register_exticmd fx_want => sub {
		3313	my ($ns, $want) = @_;
		3314
		3315	while (my ($k, $v) = each %$want) {
		3316	$ns->fx_want ($k, $v);
		3317	}
		3318	};
		3319
		3320	sub load_resource_file($) {
		3321	my $guard = lock_acquire "load_resource_file";
		3322
		3323	my $status = load_resource_file_ $_[0];
		3324	get_slot 0.1, 100;
		3325	cf::arch::commit_load;
		3326
		3327	$status
		3328	}
		3329
		3330	sub reload_regions {
		3331	# HACK to clear player env face cache, we need some signal framework
		3332	# for this (global event?)
		3333	%ext::player_env::MUSIC_FACE_CACHE = ();
		3334
		3335	load_resource_file "$MAPDIR/regions"
		3336	or die "unable to load regions file\n";
		3337
		3338	for (cf::region::list) {
		3339	$_->{match} = qr/$_->{match}/
		3340	if exists $_->{match};
		3341	}
		3342	}
		3343
		3344	sub reload_facedata {
		3345	load_facedata "$DATADIR/facedata"
		3346	or die "unable to load facedata\n";
		3347	}
		3348
		3349	sub reload_archetypes {
		3350	load_resource_file "$DATADIR/archetypes"
		3351	or die "unable to load archetypes\n";
		3352	}
		3353
		3354	sub reload_treasures {
		3355	load_resource_file "$DATADIR/treasures"
		3356	or die "unable to load treasurelists\n";
		3357	}
		3358
		3359	sub reload_resources {
		3360	warn "reloading resource files...\n";
		3361
		3362	reload_facedata;
		3363	reload_archetypes;
		3364	reload_regions;
		3365	reload_treasures;
		3366
		3367	warn "finished reloading resource files\n";
		3368	}
		3369
		3370	sub reload_config {
2212	open my $fh, "<:utf8", cf::confdir . "/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
2213	or return;	3372	or return;
2214		3373
2215	local $/;	3374	local $/;
2216	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
2217		3376
2218	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2219		3378
2220	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2221	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2227	};	3386	};
2228	warn $@ if $@;	3387	warn $@ if $@;
2229	}	3388	}
2230	}	3389	}
2231		3390
		3391	sub pidfile() {
		3392	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3393	or die "$PIDFILE: $!";
		3394	flock $fh, &Fcntl::LOCK_EX
		3395	or die "$PIDFILE: flock: $!";
		3396	$fh
		3397	}
		3398
		3399	# make sure only one server instance is running at any one time
		3400	sub atomic {
		3401	my $fh = pidfile;
		3402
		3403	my $pid = <$fh>;
		3404	kill 9, $pid if $pid > 0;
		3405
		3406	seek $fh, 0, 0;
		3407	print $fh $$;
		3408	}
		3409
		3410	sub main_loop {
		3411	warn "EV::loop starting\n";
		3412	if (1) {
		3413	EV::loop;
		3414	}
		3415	warn "EV::loop returned\n";
		3416	goto &main_loop unless $REALLY_UNLOOP;
		3417	}
		3418
2232	sub main {	3419	sub main {
		3420	cf::init_globals; # initialise logging
		3421
		3422	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3423	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3424	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3425	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3426
		3427	cf::init_experience;
		3428	cf::init_anim;
		3429	cf::init_attackmess;
		3430	cf::init_dynamic;
		3431
		3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433
2233	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2234	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2236	(async {	3437	(async {
2237	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2238	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2239	};	3441	};
2240		3442
2241	cfg_load;	3443	evthread_start IO::AIO::poll_fileno;
2242	db_load;	3444
		3445	cf::sync_job {
		3446	reload_resources;
		3447	reload_config;
		3448	db_init;
		3449
		3450	cf::load_settings;
		3451	cf::load_materials;
		3452	cf::init_uuid;
		3453	cf::init_signals;
		3454	cf::init_commands;
		3455	cf::init_skills;
		3456
		3457	cf::init_beforeplay;
		3458
		3459	atomic;
		3460
2243	load_extensions;	3461	load_extensions;
2244	Event::loop;	3462
		3463	utime time, time, $RUNTIMEFILE;
		3464
		3465	# no (long-running) fork's whatsoever before this point(!)
		3466	use POSIX ();
		3467	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3468
		3469	(pop @POST_INIT)->(0) while @POST_INIT;
		3470	};
		3471
		3472	main_loop;
2245	}	3473	}
2246		3474
2247	#############################################################################	3475	#############################################################################
2248	# initialisation and cleanup	3476	# initialisation and cleanup
2249		3477
2250	# install some emergency cleanup handlers	3478	# install some emergency cleanup handlers
2251	BEGIN {	3479	BEGIN {
		3480	our %SIGWATCHER = ();
2252	for my $signal (qw(INT HUP TERM)) {	3481	for my $signal (qw(INT HUP TERM)) {
2253	Event->signal (	3482	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2254	data => WF_AUTOCANCEL,
2255	signal => $signal,
2256	cb => sub {
2257	cf::cleanup "SIG$signal";	3483	cf::cleanup "SIG$signal";
2258	},
2259	);	3484	};
		3485	}
		3486	}
		3487
		3488	sub write_runtime_sync {
		3489	# first touch the runtime file to show we are still running:
		3490	# the fsync below can take a very very long time.
		3491
		3492	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3493
		3494	my $guard = cf::lock_acquire "write_runtime";
		3495
		3496	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3497	or return;
		3498
		3499	my $value = $cf::RUNTIME + 90 + 10;
		3500	# 10 is the runtime save interval, for a monotonic clock
		3501	# 60 allows for the watchdog to kill the server.
		3502
		3503	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3504	and return;
		3505
		3506	# always fsync - this file is important
		3507	aio_fsync $fh
		3508	and return;
		3509
		3510	# touch it again to show we are up-to-date
		3511	aio_utime $fh, undef, undef;
		3512
		3513	close $fh
		3514	or return;
		3515
		3516	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3517	and return;
		3518
		3519	warn "runtime file written.\n";
		3520
2260	}	3521	1
		3522	}
		3523
		3524	our $uuid_lock;
		3525	our $uuid_skip;
		3526
		3527	sub write_uuid_sync($) {
		3528	$uuid_skip ||= $_[0];
		3529
		3530	return if $uuid_lock;
		3531	local $uuid_lock = 1;
		3532
		3533	my $uuid = "$LOCALDIR/uuid";
		3534
		3535	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3536	or return;
		3537
		3538	my $value = uuid_seq uuid_cur;
		3539
		3540	unless ($value) {
		3541	warn "cowardly refusing to write zero uuid value!\n";
		3542	return;
		3543	}
		3544
		3545	my $value = uuid_str $value + $uuid_skip;
		3546	$uuid_skip = 0;
		3547
		3548	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3549	and return;
		3550
		3551	# always fsync - this file is important
		3552	aio_fsync $fh
		3553	and return;
		3554
		3555	close $fh
		3556	or return;
		3557
		3558	aio_rename "$uuid~", $uuid
		3559	and return;
		3560
		3561	warn "uuid file written ($value).\n";
		3562
		3563	1
		3564
		3565	}
		3566
		3567	sub write_uuid($$) {
		3568	my ($skip, $sync) = @_;
		3569
		3570	$sync ? write_uuid_sync $skip
		3571	: async { write_uuid_sync $skip };
2261	}	3572	}
2262		3573
2263	sub emergency_save() {	3574	sub emergency_save() {
2264	my $freeze_guard = cf::freeze_mainloop;	3575	my $freeze_guard = cf::freeze_mainloop;
2265		3576
2266	warn "enter emergency perl save\n";	3577	warn "emergency_perl_save: enter\n";
2267		3578
2268	cf::sync_job {	3579	cf::sync_job {
		3580	# this is a trade-off: we want to be very quick here, so
		3581	# save all maps without fsync, and later call a global sync
		3582	# (which in turn might be very very slow)
		3583	local $USE_FSYNC = 0;
		3584
2269	# use a peculiar iteration method to avoid tripping on perl	3585	# use a peculiar iteration method to avoid tripping on perl
2270	# refcount bugs in for. also avoids problems with players	3586	# refcount bugs in for. also avoids problems with players
2271	# and maps saved/destroyed asynchronously.	3587	# and maps saved/destroyed asynchronously.
2272	warn "begin emergency player save\n";	3588	warn "emergency_perl_save: begin player save\n";
2273	for my $login (keys %cf::PLAYER) {	3589	for my $login (keys %cf::PLAYER) {
2274	my $pl = $cf::PLAYER{$login} or next;	3590	my $pl = $cf::PLAYER{$login} or next;
2275	$pl->valid or next;	3591	$pl->valid or next;
		3592	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2276	$pl->save;	3593	$pl->save;
2277	}	3594	}
2278	warn "end emergency player save\n";	3595	warn "emergency_perl_save: end player save\n";
2279		3596
2280	warn "begin emergency map save\n";	3597	warn "emergency_perl_save: begin map save\n";
2281	for my $path (keys %cf::MAP) {	3598	for my $path (keys %cf::MAP) {
2282	my $map = $cf::MAP{$path} or next;	3599	my $map = $cf::MAP{$path} or next;
2283	$map->valid or next;	3600	$map->valid or next;
2284	$map->save;	3601	$map->save;
2285	}	3602	}
2286	warn "end emergency map save\n";	3603	warn "emergency_perl_save: end map save\n";
		3604
		3605	warn "emergency_perl_save: begin database checkpoint\n";
		3606	BDB::db_env_txn_checkpoint $DB_ENV;
		3607	warn "emergency_perl_save: end database checkpoint\n";
		3608
		3609	warn "emergency_perl_save: begin write uuid\n";
		3610	write_uuid_sync 1;
		3611	warn "emergency_perl_save: end write uuid\n";
2287	};	3612	};
2288		3613
		3614	warn "emergency_perl_save: starting sync()\n";
		3615	IO::AIO::aio_sync sub {
		3616	warn "emergency_perl_save: finished sync()\n";
		3617	};
		3618
2289	warn "leave emergency perl save\n";	3619	warn "emergency_perl_save: leave\n";
2290	}	3620	}
2291		3621
		3622	sub post_cleanup {
		3623	my ($make_core) = @_;
		3624
		3625	warn Carp::longmess "post_cleanup backtrace"
		3626	if $make_core;
		3627
		3628	my $fh = pidfile;
		3629	unlink $PIDFILE if <$fh> == $$;
		3630	}
		3631
		3632	# a safer delete_package, copied from Symbol
		3633	sub clear_package($) {
		3634	my $pkg = shift;
		3635
		3636	# expand to full symbol table name if needed
		3637	unless ($pkg =~ /^main::.*::$/) {
		3638	$pkg = "main$pkg" if $pkg =~ /^::/;
		3639	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3640	$pkg .= '::' unless $pkg =~ /::$/;
		3641	}
		3642
		3643	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3644	my $stem_symtab = *{$stem}{HASH};
		3645
		3646	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3647	or return;
		3648
		3649	# clear all symbols
		3650	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3651	for my $name (keys %$leaf_symtab) {
		3652	_gv_clear *{"$pkg$name"};
		3653	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3654	}
		3655	warn "cleared package $pkg\n";#d#
		3656	}
		3657
2292	sub reload() {	3658	sub do_reload_perl() {
2293	# can/must only be called in main	3659	# can/must only be called in main
2294	if ($Coro::current != $Coro::main) {	3660	if ($Coro::current != $Coro::main) {
2295	warn "can only reload from main coroutine\n";	3661	warn "can only reload from main coroutine";
2296	return;	3662	return;
2297	}	3663	}
2298		3664
		3665	return if $RELOAD++;
		3666
		3667	my $t1 = EV::time;
		3668
		3669	while ($RELOAD) {
2299	warn "reloading...";	3670	warn "reloading...";
2300		3671
2301	warn "freezing server";	3672	warn "entering sync_job";
2302	my $guard = freeze_mainloop;	3673
		3674	cf::sync_job {
		3675	cf::write_runtime_sync; # external watchdog should not bark
2303	cf::emergency_save;	3676	cf::emergency_save;
		3677	cf::write_runtime_sync; # external watchdog should not bark
2304		3678
2305	warn "sync database to disk";	3679	warn "syncing database to disk";
2306	cf::db_sync;	3680	BDB::db_env_txn_checkpoint $DB_ENV;
2307	IO::AIO::flush;
2308		3681
2309	eval {
2310	# if anything goes wrong in here, we should simply crash as we already saved	3682	# if anything goes wrong in here, we should simply crash as we already saved
2311		3683
2312	warn "cancel all watchers";	3684	warn "flushing outstanding aio requests";
2313	for (Event::all_watchers) {	3685	while (IO::AIO::nreqs || BDB::nreqs) {
2314	$_->cancel if $_->data & WF_AUTOCANCEL;	3686	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2315	}
2316
2317	warn "cancel all extension coros";
2318	$_->cancel for values %EXT_CORO;
2319	%EXT_CORO = ();
2320
2321	warn "remove commands";
2322	%COMMAND = ();
2323
2324	warn "remove ext commands";
2325	%EXTCMD = ();
2326
2327	warn "unload/nuke all extensions";
2328	for my $pkg (@EXTS) {
2329	warn "... unloading $pkg";
2330
2331	if (my $cb = $pkg->can ("unload")) {
2332	eval {
2333	$cb->($pkg);
2334	1
2335	} or warn "$pkg unloaded, but with errors: $@";
2336	}	3687	}
2337		3688
		3689	warn "cancelling all extension coros";
		3690	$_->cancel for values %EXT_CORO;
		3691	%EXT_CORO = ();
		3692
		3693	warn "removing commands";
		3694	%COMMAND = ();
		3695
		3696	warn "removing ext/exti commands";
		3697	%EXTCMD = ();
		3698	%EXTICMD = ();
		3699
		3700	warn "unloading/nuking all extensions";
		3701	for my $pkg (@EXTS) {
2338	warn "... nuking $pkg";	3702	warn "... unloading $pkg";
2339	Symbol::delete_package $pkg;
2340	}
2341		3703
2342	warn "unload all perl modules loaded from $LIBDIR";
2343	while (my ($k, $v) = each %INC) {
2344	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2345
2346	warn "removing <$k>";
2347	delete $INC{$k};
2348
2349	$k =~ s/\.pm$//;
2350	$k =~ s/\//::/g;
2351
2352	if (my $cb = $k->can ("unload_module")) {	3704	if (my $cb = $pkg->can ("unload")) {
		3705	eval {
2353	$cb->();	3706	$cb->($pkg);
		3707	1
		3708	} or warn "$pkg unloaded, but with errors: $@";
		3709	}
		3710
		3711	warn "... clearing $pkg";
		3712	clear_package $pkg;
2354	}	3713	}
2355		3714
2356	Symbol::delete_package $k;	3715	warn "unloading all perl modules loaded from $LIBDIR";
		3716	while (my ($k, $v) = each %INC) {
		3717	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3718
		3719	warn "... unloading $k";
		3720	delete $INC{$k};
		3721
		3722	$k =~ s/\.pm$//;
		3723	$k =~ s/\//::/g;
		3724
		3725	if (my $cb = $k->can ("unload_module")) {
		3726	$cb->();
		3727	}
		3728
		3729	clear_package $k;
2357	}	3730	}
2358		3731
2359	warn "get rid of safe::, as good as possible";	3732	warn "getting rid of safe::, as good as possible";
2360	Symbol::delete_package "safe::$_"	3733	clear_package "safe::$_"
2361	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3734	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2362		3735
2363	warn "unload cf.pm \"a bit\"";	3736	warn "unloading cf.pm \"a bit\"";
2364	delete $INC{"cf.pm"};	3737	delete $INC{"cf.pm"};
		3738	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2365		3739
2366	# don't, removes xs symbols, too,	3740	# don't, removes xs symbols, too,
2367	# and global variables created in xs	3741	# and global variables created in xs
2368	#Symbol::delete_package __PACKAGE__;	3742	#clear_package __PACKAGE__;
2369		3743
		3744	warn "unload completed, starting to reload now";
		3745
2370	warn "reloading cf.pm";	3746	warn "reloading cf.pm";
2371	require cf;	3747	require cf;
2372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3748	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2373		3749
2374	warn "load config and database again";	3750	warn "loading config and database again";
2375	cf::cfg_load;	3751	cf::reload_config;
2376	cf::db_load;
2377		3752
2378	warn "load extensions";	3753	warn "loading extensions";
2379	cf::load_extensions;	3754	cf::load_extensions;
2380		3755
		3756	if ($REATTACH_ON_RELOAD) {
2381	warn "reattach attachments to objects/players";	3757	warn "reattaching attachments to objects/players";
2382	_global_reattach;	3758	_global_reattach; # objects, sockets
2383	warn "reattach attachments to maps";	3759	warn "reattaching attachments to maps";
2384	reattach $_ for values %MAP;	3760	reattach $_ for values %MAP;
		3761	warn "reattaching attachments to players";
		3762	reattach $_ for values %PLAYER;
		3763	}
		3764
		3765	warn "running post_init jobs";
		3766	(pop @POST_INIT)->(1) while @POST_INIT;
		3767
		3768	warn "leaving sync_job";
		3769
		3770	1
		3771	} or do {
		3772	warn $@;
		3773	cf::cleanup "error while reloading, exiting.";
		3774	};
		3775
		3776	warn "reloaded";
		3777	--$RELOAD;
		3778	}
		3779
		3780	$t1 = EV::time - $t1;
		3781	warn "reload completed in ${t1}s\n";
		3782	};
		3783
		3784	our $RELOAD_WATCHER; # used only during reload
		3785
		3786	sub reload_perl() {
		3787	# doing reload synchronously and two reloads happen back-to-back,
		3788	# coro crashes during coro_state_free->destroy here.
		3789
		3790	$RELOAD_WATCHER ||= cf::async {
		3791	Coro::AIO::aio_wait cache_extensions;
		3792
		3793	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3794	do_reload_perl;
		3795	undef $RELOAD_WATCHER;
		3796	};
2385	};	3797	};
2386		3798	}
2387	if ($@) {
2388	warn $@;
2389	warn "error while reloading, exiting.";
2390	exit 1;
2391	}
2392
2393	warn "reloaded";
2394	};
2395
2396	our $RELOAD_WATCHER; # used only during reload
2397		3799
2398	register_command "reload" => sub {	3800	register_command "reload" => sub {
2399	my ($who, $arg) = @_;	3801	my ($who, $arg) = @_;
2400		3802
2401	if ($who->flag (FLAG_WIZ)) {	3803	if ($who->flag (FLAG_WIZ)) {
2402	$who->message ("reloading server.");	3804	$who->message ("reloading server.");
2403		3805	async {
2404	# doing reload synchronously and two reloads happen back-to-back,	3806	$Coro::current->{desc} = "perl_reload";
2405	# coro crashes during coro_state_free->destroy here.
2406
2407	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2408	reload;	3807	reload_perl;
2409	undef $RELOAD_WATCHER;
2410	});	3808	};
2411	}	3809	}
2412	};	3810	};
2413		3811
2414	unshift @INC, $LIBDIR;	3812	unshift @INC, $LIBDIR;
2415		3813
2416	$TICK_WATCHER = Event->timer (	3814	my $bug_warning = 0;
2417	reentrant => 0,
2418	prio => 0,
2419	at => $NEXT_TICK || $TICK,
2420	data => WF_AUTOCANCEL,
2421	cb => sub {
2422	$NOW = Event::time;
2423		3815
		3816	our @WAIT_FOR_TICK;
		3817	our @WAIT_FOR_TICK_BEGIN;
		3818
		3819	sub wait_for_tick {
		3820	return if tick_inhibit || $Coro::current == $Coro::main;
		3821
		3822	my $signal = new Coro::Signal;
		3823	push @WAIT_FOR_TICK, $signal;
		3824	$signal->wait;
		3825	}
		3826
		3827	sub wait_for_tick_begin {
		3828	return if tick_inhibit || $Coro::current == $Coro::main;
		3829
		3830	my $signal = new Coro::Signal;
		3831	push @WAIT_FOR_TICK_BEGIN, $signal;
		3832	$signal->wait;
		3833	}
		3834
		3835	sub tick {
		3836	if ($Coro::current != $Coro::main) {
		3837	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3838	unless ++$bug_warning > 10;
		3839	return;
		3840	}
		3841
2424	cf::server_tick; # one server iteration	3842	cf::server_tick; # one server iteration
2425	$RUNTIME += $TICK;
2426	$NEXT_TICK += $TICK;
2427		3843
2428	$WAIT_FOR_TICK->broadcast;	3844	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2429	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3845	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2430		3846	Coro::async_pool {
2431	# if we are delayed by four ticks or more, skip them all	3847	$Coro::current->{desc} = "runtime saver";
2432	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2433
2434	$TICK_WATCHER->at ($NEXT_TICK);
2435	$TICK_WATCHER->start;
2436	},
2437	);
2438
2439	IO::AIO::max_poll_time $TICK * 0.2;
2440
2441	$AIO_POLL_WATCHER = Event->io (
2442	fd => IO::AIO::poll_fileno,
2443	poll => 'r',
2444	prio => 5,
2445	data => WF_AUTOCANCEL,
2446	cb => \&IO::AIO::poll_cb,
2447	);
2448
2449	$WRITE_RUNTIME_WATCHER = Event->timer (
2450	data => WF_AUTOCANCEL,
2451	after => 0,
2452	interval => 10,
2453	cb => sub {
2454	(Coro::unblock_sub {
2455	write_runtime	3848	write_runtime_sync
2456	or warn "ERROR: unable to write runtime file: $!";	3849	or warn "ERROR: unable to write runtime file: $!";
2457	})->();	3850	};
2458	},	3851	}
2459	);	3852
		3853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3854	$sig->send;
		3855	}
		3856	while (my $sig = shift @WAIT_FOR_TICK) {
		3857	$sig->send;
		3858	}
		3859
		3860	$LOAD = ($NOW - $TICK_START) / $TICK;
		3861	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3862
		3863	if (0) {
		3864	if ($NEXT_TICK) {
		3865	my $jitter = $TICK_START - $NEXT_TICK;
		3866	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3867	warn "jitter $JITTER\n";#d#
		3868	}
		3869	}
		3870	}
		3871
		3872	{
		3873	# configure BDB
		3874
		3875	BDB::min_parallel 8;
		3876	BDB::max_poll_reqs $TICK * 0.1;
		3877	$AnyEvent::BDB::WATCHER->priority (1);
		3878
		3879	unless ($DB_ENV) {
		3880	$DB_ENV = BDB::db_env_create;
		3881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3882	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3883	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3884	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3885	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3886
		3887	cf::sync_job {
		3888	eval {
		3889	BDB::db_env_open
		3890	$DB_ENV,
		3891	$BDBDIR,
		3892	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3893	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3894	0666;
		3895
		3896	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3897	};
		3898
		3899	cf::cleanup "db_env_open(db): $@" if $@;
		3900	};
		3901	}
		3902
		3903	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3904	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3905	};
		3906	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3907	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3908	};
		3909	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3910	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3911	};
		3912	}
		3913
		3914	{
		3915	# configure IO::AIO
		3916
		3917	IO::AIO::min_parallel 8;
		3918	IO::AIO::max_poll_time $TICK * 0.1;
		3919	undef $AnyEvent::AIO::WATCHER;
		3920	}
		3921
		3922	my $_log_backtrace;
		3923
		3924	sub _log_backtrace {
		3925	my ($msg, @addr) = @_;
		3926
		3927	$msg =~ s/\n//;
		3928
		3929	# limit the # of concurrent backtraces
		3930	if ($_log_backtrace < 2) {
		3931	++$_log_backtrace;
		3932	my $perl_bt = Carp::longmess $msg;
		3933	async {
		3934	$Coro::current->{desc} = "abt $msg";
		3935
		3936	my @bt = fork_call {
		3937	@addr = map { sprintf "%x", $_ } @addr;
		3938	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3939	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3940	or die "addr2line: $!";
		3941
		3942	my @funcs;
		3943	my @res = <$fh>;
		3944	chomp for @res;
		3945	while (@res) {
		3946	my ($func, $line) = splice @res, 0, 2, ();
		3947	push @funcs, "[$func] $line";
		3948	}
		3949
		3950	@funcs
		3951	};
		3952
		3953	LOG llevInfo, "[ABT] $perl_bt\n";
		3954	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3955	LOG llevInfo, "[ABT] $_\n" for @bt;
		3956	--$_log_backtrace;
		3957	};
		3958	} else {
		3959	LOG llevInfo, "[ABT] $msg\n";
		3960	LOG llevInfo, "[ABT] [suppressed]\n";
		3961	}
		3962	}
		3963
		3964	# load additional modules
		3965	require "cf/$_.pm" for @EXTRA_MODULES;
2460		3966
2461	END { cf::emergency_save }	3967	END { cf::emergency_save }
2462		3968
2463	1	3969	1
2464		3970

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