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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.195 by root, Fri Jan 26 20:59:57 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 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		76
		77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		79
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		81
36	our %COMMAND = ();	82	our %COMMAND = ();
37	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
38		84
39	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
43		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	92	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		93
47	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	95	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	96	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	112	our $NEXT_TICK;
52	our $NOW;	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
		117	our $BDB_TRICKLE_WATCHER;
		118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
53		121
54	our %CFG;	122	our %CFG;
55		123
56	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
58		127
59	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		131
67	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
70	binmode STDOUT;	145	binmode STDOUT;
71	binmode STDERR;	146	binmode STDERR;
72		147
73	# read virtual server time, if available	148	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
78	}	153	}
79		154
80	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	156
82	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		159
86	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
		161
		162	sub cf::map::normalise;
87		163
88	#############################################################################	164	#############################################################################
89		165
90	=head2 GLOBAL VARIABLES	166	=head2 GLOBAL VARIABLES
91		167
…		…
98	=item $cf::RUNTIME	174	=item $cf::RUNTIME
99		175
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	177	every server tick.
102		178
103	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		182
105	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
107		187
108	=item $cf::NOW	188	=item $cf::NOW
109		189
110	The time of the last (current) server tick.	190	The time of the last (current) server tick.
111		191
112	=item $cf::TICK	192	=item $cf::TICK
113		193
114	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
115		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
116	=item %cf::CFG	206	=item %cf::CFG
117		207
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	209	from wherever your confdir points to.
120		210
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		212
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	214	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
127		222
128	=back	223	=back
129		224
130	=cut	225	=cut
131		226
132	BEGIN {	227	BEGIN {
133	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	229	my $msg = join "", @_;
135	utf8::encode $msg;
136		230
137	$msg .= "\n"	231	$msg .= "\n"
138	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
139		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
140	LOG llevError, $msg;	236	LOG llevError, $msg;
141	};	237	};
142	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
143		254
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	259	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		260	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	261	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		262
151	# we bless all objects into (empty) derived classes to force a method lookup	263	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	264	# within the Safe compartment.
153	for my $pkg (qw(	265	for my $pkg (qw(
154	cf::global cf::attachable	266	cf::global cf::attachable
155	cf::object cf::object::player	267	cf::object cf::object::player
156	cf::client cf::player	268	cf::client cf::player
157	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
158	cf::map cf::party cf::region	271	cf::party cf::region
159	)) {	272	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	274	}
163		275
164	$Event::DIED = sub {	276	$EV::DIED = sub {
165	warn "error in event callback: @_";	277	warn "error in event callback: @_";
166	};	278	};
		279
		280	#############################################################################
167		281
168	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
169		283
170	=over 4	284	=over 4
171		285
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	305	$d
192	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
193	}	307	}
194		308
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
198		310
199	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
200		312
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
209		314
210	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
211		316
212	=cut	317	=cut
213		318
214	sub to_json($) {	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	320
216	JSON::Syck::Dump $_[0]	321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
217	}	336	}
218		337
219	=item cf::lock_wait $string	338	=item cf::lock_wait $string
220		339
221	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
222		341
223	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
224		343
225	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
228	returned.	347	returned.
229		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
230	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
232		354
233	=cut	355	=item $locked = cf::lock_active $string
234		356
235	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
236		362
237	sub lock_wait($) {	363	sub lock_wait($) {
238	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	365	}
246		366
247	sub lock_acquire($) {	367	sub lock_acquire($) {
248	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
249		370
250	# wait, to be sure we are not locked	371	sub lock_active($) {
251	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	373	}
260		374
261	sub freeze_mainloop {	375	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
263		377
264	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	379	}
266	$WRITE_RUNTIME_WATCHER->start;	380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
267	};	439	}
268	$WRITE_RUNTIME_WATCHER->stop;	440	};
269	$TICK_WATCHER->stop;	441
270	$guard	442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
271	}	454	}
272		455
273	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
274		457
275	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		463
281	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
282		465
283	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
284		467
285	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
288		472
289	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
292	fast or be very important.	476	fast or be very important.
…		…
295		479
296	sub sync_job(&) {	480	sub sync_job(&) {
297	my ($job) = @_;	481	my ($job) = @_;
298		482
299	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
300	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
302		488
303	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	490
305	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
306		492
307	my $busy = 1;	493	my $busy = 1;
308	my @res;	494	my @res;
309		495
310	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	498	@res = eval { $job->() };
312	warn $@ if $@;	499	warn $@ if $@;
313	undef $busy;	500	undef $busy;
314	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
315		502
316	while ($busy) {	503	while ($busy) {
317	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
318	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
319		514
320	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
321	} else {	516	} else {
322	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
323		518
…		…
343	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
344		539
345	$coro	540	$coro
346	}	541	}
347		542
348	sub write_runtime {	543	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		544
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	Executes the given code block with the given arguments in a seperate
352	or return;	546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
353		549
354	my $value = $cf::RUNTIME + 90 + 10;	550	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		551
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	sub fork_call(&@) {
359	and return;	553	my ($cb, @args) = @_;
360		554
361	aio_fsync $fh	555	# we seemingly have to make a local copy of the whole thing,
362	and return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
363		558
364	close $fh	559	my @res = Coro::Util::fork_eval {
365	or return;	560	reset_signals;
		561	&$cb
		562	}, @args;
366		563
367	aio_rename "$runtime~", $runtime	564	wantarray ? @res : $res[-1]
368	and return;	565	}
369		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
		594	=item $value = cf::db_get $family => $key
		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
		626
		627	our $DB;
		628
		629	sub db_init {
		630	cf::sync_job {
		631	$DB ||= db_table "db";
		632	};
		633	}
		634
		635	sub db_get($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
370	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
		719	}
		720
		721	=item cf::datalog type => key => value, ...
		722
		723	Log a datalog packet of the given type with the given key-value pairs.
		724
		725	=cut
		726
		727	sub datalog($@) {
		728	my ($type, %kv) = @_;
		729	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	730	}
372		731
373	=back	732	=back
374		733
375	=cut	734	=cut
376		735
377	#############################################################################	736	#############################################################################
378		737
379	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
380		739
381	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
384		743
385	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	746	Deliantra).
388		747
389	=over 4	748	=over 4
390		749
391	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
392		751
…		…
436	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
437		796
438	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
440		799
441	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
443		802
444	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
445		804
446	=over 4	805	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
556		915
557	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		920
562	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	922	my $pkg = shift @arg;
564		923
565	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
595	}	954	}
596		955
597	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
598	} else {	957	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	959	}
601		960
602	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
603	}	962	}
604		963
…		…
606	if (ref $_[0]) {	965	if (ref $_[0]) {
607	_object_attach @_;	966	_object_attach @_;
608	} else {	967	} else {
609	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
610	}	969	}
		970	_recalc_want;
611	};	971	};
612		972
613	# all those should be optimised	973	# all those should be optimised
614	sub cf::attachable::detach {	974	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
619	reattach ($obj);	979	reattach ($obj);
620	} else {	980	} else {
621	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
622	}	982	}
		983	_recalc_want;
623	};	984	};
624		985
625	sub cf::attachable::attached {	986	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
627		988
…		…
642	";	1003	";
643	die if $@;	1004	die if $@;
644	}	1005	}
645		1006
646	our $override;	1007	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1009
649	sub override {	1010	sub override {
650	$override = 1;	1011	$override = 1;
651	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
652	}	1013	}
653		1014
654	sub do_invoke {	1015	sub do_invoke {
655	my $event = shift;	1016	my $event = shift;
656	my $callbacks = shift;	1017	my $callbacks = shift;
657		1018
658	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
659		1020
660	local $override;	1021	local $override;
661		1022
662	for (@$callbacks) {	1023	for (@$callbacks) {
663	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
672	}	1033	}
673		1034
674	0	1035	0
675	}	1036	}
676		1037
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1039
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1041
681	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
682		1043
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1047
687	=back	1048	=back
688		1049
689	=cut	1050	=cut
690		1051
691	#############################################################################	1052	#############################################################################
692	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
693		1096
694	sub reattach {	1097	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1099	my ($obj) = @_;
697		1100
		1101	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1103
700	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
701		1105
702	@$registry = ();	1106	@$registry = ();
703		1107
…		…
718	cf::attachable->attach (	1122	cf::attachable->attach (
719	prio => -1000000,	1123	prio => -1000000,
720	on_instantiate => sub {	1124	on_instantiate => sub {
721	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
722		1126
723	$data = from_json $data;	1127	$data = decode_json $data;
724		1128
725	for (@$data) {	1129	for (@$data) {
726	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
727		1131
728	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1148	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
746		1150
747	sync_job {	1151	sync_job {
748	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
751		1156
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
755	aio_fsync $fh;	1162	aio_fsync $fh;
		1163	}
756	close $fh;	1164	aio_close $fh;
757		1165
758	if (@$objs) {	1166	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
		1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
763	aio_fsync $fh;	1173	aio_fsync $fh;
		1174	}
764	close $fh;	1175	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
766	}	1177	}
767	} else {	1178	} else {
768	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
769	}	1180	}
770		1181
771	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1186	} else {
773	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
774	}	1188	}
775	} else {	1189	} else {
776	aio_unlink $filename;	1190	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
778	}	1192	}
779	}	1193	};
780	}	1194	}
781		1195
782	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
784		1198
…		…
796	or return;	1210	or return;
797		1211
798	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
800	or return;	1214	or return;
		1215
801	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
802	}	1218	}
803		1219
		1220	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
806	return ($data, $av);	1224	($data, $av)
807	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
808		1232
809	#############################################################################	1233	#############################################################################
810	# command handling &c	1234	# command handling &c
811		1235
812	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1250	}
827		1251
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1253
830	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
831		1259
832	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
833	called.	1261	called.
834		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
835	=cut	1274	=cut
836		1275
837	sub register_extcmd {	1276	sub register_extcmd {
838	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
839		1278
840	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
841	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
842		1289
843	cf::player->attach (	1290	cf::player->attach (
844	on_command => sub {	1291	on_command => sub {
845	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
846		1293
…		…
854	cf::override;	1301	cf::override;
855	},	1302	},
856	on_extcmd => sub {	1303	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
858		1305
859	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1307
861	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
867	} else {	1323	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1325	}
870		1326
871	cf::override;	1327	cf::override;
872	},	1328	},
873	);	1329	);
874		1330
		1331	# "readahead" all extensions
875	sub load_extension {	1332	sub cache_extensions {
876	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
877		1334
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1338	}
903	die $@;
904	}	1339	};
905		1340
906	push @EXTS, $pkg;	1341	$grp
907	}	1342	}
908		1343
909	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
910	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1349	next unless -r $path;
912	eval {	1350
913	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
914	1	1407	}
915	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
916	}	1413	};
917	}	1414	}
918		1415
919	#############################################################################	1416	#############################################################################
920		1417
		1418	=back
		1419
921	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
922		1421
923	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
924		1423
925	=cut	1424	=cut
926		1425
927	package cf::player;	1426	package cf::player;
928		1427
…		…
930		1429
931	=head3 cf::player	1430	=head3 cf::player
932		1431
933	=over 4	1432	=over 4
934		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
		1447
935	=item cf::player::find $login	1448	=item cf::player::find $login
936		1449
937	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
938		1451
939	=cut	1452	=cut
940		1453
941	sub playerdir($) {	1454	sub playerdir($) {
942	cf::localdir	1455	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1457	}
948		1458
949	sub path($) {	1459	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1461
952	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
953	}	1463	}
954		1464
955	sub find_active($) {	1465	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
960		1470
961	sub exists($) {	1471	sub exists($) {
962	my ($login) = @_;	1472	my ($login) = @_;
963		1473
964	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
966	}	1476	}
967		1477
968	sub find($) {	1478	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1480	my $login = $_[0];
971		1481
972	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
973		1483
974	$cf::PLAYER{$_[0]} || do {	1484	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1485	# rename old playerfiles to new ones
		1486	#TODO: remove when no longer required
		1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1490	aio_unlink +(playerdir $login) . "/$login.pl";
		1491
		1492	my $f = new_from_file cf::object::thawer path $login
976	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
978	}	1501	}
979	}	1502	}
980	}	1503	}
981		1504
…		…
990	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
991		1514
992	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
994		1517
		1518	cf::get_slot 0.01;
		1519
995	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
996	Coro::cede;	1521	cf::cede_to_tick;
997	}	1522	}
998		1523
999	sub new($) {	1524	sub new($) {
1000	my ($login) = @_;	1525	my ($login) = @_;
1001		1526
…		…
1007	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1008		1533
1009	$self	1534	$self
1010	}	1535	}
1011		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1012	=item $pl->quit_character	1547	=item $pl->quit_character
1013		1548
1014	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1016		1551
1017	=cut	1552	=cut
1018		1553
1019	sub quit_character {	1554	sub quit_character {
1020	my ($pl) = @_;	1555	my ($pl) = @_;
1021		1556
		1557	my $name = $pl->ob->name;
		1558
1022	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1561
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1029		1568
1030	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1571	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1572	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1573	$pl->destroy;
		1574
		1575	my $prefix = qr<^~\Q$name\E/>;
		1576
		1577	# nuke player maps
		1578	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1579
1035	IO::AIO::aio_rmtree $temp;	1580	IO::AIO::aio_rmtree $temp;
		1581	}
		1582
		1583	=item $pl->kick
		1584
		1585	Kicks a player out of the game. This destroys the connection.
		1586
		1587	=cut
		1588
		1589	sub kick {
		1590	my ($pl, $kicker) = @_;
		1591
		1592	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1593	$pl->killer ("kicked");
		1594	$pl->ns->destroy;
1036	}	1595	}
1037		1596
1038	=item cf::player::list_logins	1597	=item cf::player::list_logins
1039		1598
1040	Returns am arrayref of all valid playernames in the system, can take a	1599	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1600	while and may block, so not sync_job-capable, ever.
1042		1601
1043	=cut	1602	=cut
1044		1603
1045	sub list_logins {	1604	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1605	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1606	or return [];
1048		1607
1049	my @logins;	1608	my @logins;
1050		1609
1051	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1055		1620
1056	utf8::decode $login;	1621	utf8::decode $login;
1057	push @logins, $login;	1622	push @logins, $login;
1058	}	1623	}
1059		1624
…		…
1067		1632
1068	=cut	1633	=cut
1069		1634
1070	sub maps($) {	1635	sub maps($) {
1071	my ($pl) = @_;	1636	my ($pl) = @_;
		1637
		1638	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1639
1073	my $files = aio_readdir playerdir $pl	1640	my $files = aio_readdir playerdir $pl
1074	or return;	1641	or return;
1075		1642
1076	my @paths;	1643	my @paths;
…		…
1078	for (@$files) {	1645	for (@$files) {
1079	utf8::decode $_;	1646	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1647	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1648	next unless /^$PATH_SEP/o;
1082		1649
1083	s/\.map$//;	1650	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1651	}
1086		1652
1087	\@paths	1653	\@paths
1088	}	1654	}
1089		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1091		1661
1092	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1093		1663
1094	=cut	1664	=cut
1095		1665
1096	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1098		1668
1099	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1670	}
1103		1671
1104	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		1679	my ($self, $type, @msg) = @_;
		1680
		1681	$self->ns->ext_msg ($type, @msg);
		1682	}
		1683
		1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1105		1712
1106	=back	1713	=back
1107
1108		1714
1109	=head3 cf::map	1715	=head3 cf::map
1110		1716
1111	=over 4	1717	=over 4
1112		1718
…		…
1124	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1126		1732
1127	sub generate_random_map {	1733	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1129	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1739	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1168		1777
1169	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1170	local $self->{path};	1779	local $self->{path};
1171	local $self->{load_path};	1780	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1781
1175	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1176	}	1783	}
1177		1784
1178	sub normalise {	1785	sub normalise {
1179	my ($path, $base) = @_;	1786	my ($path, $base) = @_;
1180		1787
1181	$path = "$path"; # make sure its a string	1788	$path = "$path"; # make sure its a string
		1789
		1790	$path =~ s/\.map$//;
1182		1791
1183	# map plan:	1792	# map plan:
1184	#	1793	#
1185	# /! non-realised random map exit (special hack!)	1794	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1795	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1224	return $self;	1833	return $self;
1225	}	1834	}
1226	}	1835	}
1227		1836
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1838	()
1230	}	1839	}
1231		1840
1232	sub init {	1841	sub init {
1233	my ($self) = @_;	1842	my ($self) = @_;
…		…
1248		1857
1249	# the original (read-only) location	1858	# the original (read-only) location
1250	sub load_path {	1859	sub load_path {
1251	my ($self) = @_;	1860	my ($self) = @_;
1252		1861
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1862	"$MAPDIR/$self->{path}.map"
1254	}	1863	}
1255		1864
1256	# the temporary/swap location	1865	# the temporary/swap location
1257	sub save_path {	1866	sub save_path {
1258	my ($self) = @_;	1867	my ($self) = @_;
1259		1868
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1870	"$TMPDIR/$path.map"
1262	}	1871	}
1263		1872
1264	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1265	sub uniq_path {	1874	sub uniq_path {
1266	my ($self) = @_;	1875	my ($self) = @_;
1267		1876
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1878	"$UNIQUEDIR/$path"
1270	}	1879	}
1271		1880
1272	# and all this just because we cannot iterate over	1881	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	1882	my ($self) = @_;
1276		1883
1277	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1279	}	1887	}
1280		1888
1281	sub unlink_save {	1889	sub unlink_save {
1282	my ($self) = @_;	1890	my ($self) = @_;
1283		1891
…		…
1288		1896
1289	sub load_header_from($) {	1897	sub load_header_from($) {
1290	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1291		1899
1292	utf8::encode $path;	1900	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1294	or return;	1902	or return;
1295		1903
1296	$self->_load_header ($path)	1904	$self->_load_header ($f)
1297	or return;	1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1298		1909
1299	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1300		1911
1301	1	1912	1
1302	}	1913	}
…		…
1341	$self->load_header_orig	1952	$self->load_header_orig
1342	or return;	1953	or return;
1343	$self->prepare_orig;	1954	$self->prepare_orig;
1344	}	1955	}
1345		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;
		1962
1346	1	1963	1
1347	}	1964	}
1348		1965
1349	sub find;	1966	sub find;
1350	sub find {	1967	sub find {
1351	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1352		1969
1353	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1354		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1356		1974
1357	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1360	or return;	1977	or return;
1361		1978
1362	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1363		1980
1364	$map->load_header	1981	$map->load_header
1365	or return;	1982	or return;
1366		1983
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1370	$map->reset;	1989	$map->reset;
1371	undef $guard;
1372	return find $path;	1990	return find $path;
1373	}	1991	}
1374		1992
1375	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1376	}	1994	}
…		…
1380	sub post_load { }	1998	sub post_load { }
1381		1999
1382	sub load {	2000	sub load {
1383	my ($self) = @_;	2001	my ($self) = @_;
1384		2002
		2003	local $self->{deny_reset} = 1; # loading can take a long time
		2004
1385	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1387		2009
		2010	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2012
1390	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1391		2014
1392	$self->alloc;	2015	$self->alloc;
1393		2016
1394	$self->pre_load;	2017	$self->pre_load;
		2018	cf::cede_to_tick;
1395		2019
1396	$self->_load_objects ($self->{load_path}, 1)	2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
		2022	$self->_load_objects ($f)
1397	or return;	2023	or return;
1398		2024
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1400	if delete $self->{load_original};	2026	if delete $self->{load_original};
1401		2027
1402	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2029	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2032	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1407	}	2036	}
1408	}	2037	}
1409		2038
1410	Coro::cede;	2039	$f->resolve_delayed_derefs;
1411		2040
		2041	cf::cede_to_tick;
1412	# now do the right thing for maps	2042	# now do the right thing for maps
1413	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2045	unless $self->difficulty;
1423	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;
1424	$self->activate;	2053	$self->activate;
		2054	}
		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
		2059	$self->in_memory (cf::MAP_ACTIVE);
1425	}	2060	}
1426		2061
1427	$self->post_load;	2062	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2063	}
1431		2064
1432	sub customise_for {	2065	sub customise_for {
1433	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1434		2067
1435	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2069	if $self->per_player;
1437		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1438	$self	2074	$self
1439	}	2075	}
1440		2076
1441	# 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
1442	sub load_diag {	2078	sub load_neighbours {
1443	my ($map) = @_;	2079	my ($map) = @_;
1444		2080
1445	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1446		2082
1447	for (0 .. 3) {	2083	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1449	or next;	2085	or next;
1450	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1451	or next;	2087	or next;
1452	$neigh->load;	2088	$neigh->load;
1453		2089
		2090	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2093	}
1457		2094
1458	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1460	or next;	2098	or next;
1461	$neigh->load;	2099	$neigh->load;
1462	}	2100	}
1463	}	2101	}
1464		2102
…		…
1469	}	2107	}
1470		2108
1471	sub do_load_sync {	2109	sub do_load_sync {
1472	my ($map) = @_;	2110	my ($map) = @_;
1473		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1474	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1475	}	2116	}
1476		2117
1477	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1479		2120
1480	sub find_async {	2121	sub find_async {
1481	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1482		2123
1483	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1484		2125
1485	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2128	}
1488		2129
1489	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1490	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1491	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2137	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2138	$map->load if $v;
		2139	}
1496		2140
1497	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1498	}	2142	}
1499	}	2143	}
1500	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1501	};	2145	};
1502	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1505	}	2149	}
1506		2150
1507	sub save {	2151	sub save {
1508	my ($self) = @_;	2152	my ($self) = @_;
1509		2153
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2155
1512	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1513		2157
1514	return unless $self->dirty;	2158	return unless $self->dirty;
1515		2159
…		…
1521	return if $self->{deny_save};	2165	return if $self->{deny_save};
1522		2166
1523	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1524		2168
1525	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1527	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1528		2175
1529	if ($uniq) {	2176	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2179	} else {
…		…
1538	my ($self) = @_;	2185	my ($self) = @_;
1539		2186
1540	# save first because save cedes	2187	# save first because save cedes
1541	$self->save;	2188	$self->save;
1542		2189
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2191
1545	return if $self->players;	2192	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1547	return if $self->{deny_save};	2194	return if $self->{deny_save};
1548		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1549	$self->clear;	2200	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2201	}
1552		2202
1553	sub reset_at {	2203	sub reset_at {
1554	my ($self) = @_;	2204	my ($self) = @_;
1555		2205
1556	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1559		2208
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	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;
1562		2211
…		…
1573	my ($self) = @_;	2222	my ($self) = @_;
1574		2223
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2225
1577	return if $self->players;	2226	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2227
1580	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	}
1581		2239
1582	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1583		2241
1584	$self->in_memory (cf::MAP_SWAPPED);	2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2244	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2245
1589	$self->unlink_save;	2246	$self->unlink_save;
1590	$self->destroy;	2247	$self->destroy;
1591	}	2248	}
1592		2249
1593	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1594		2251
1595	sub nuke {	2252	sub nuke {
1596	my ($self) = @_;	2253	my ($self) = @_;
1597		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1598	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1599		2259
1600	$self->unlink_save;	2260	$self->unlink_save;
1601		2261
1602	bless $self, "cf::map";	2262	bless $self, "cf::map";
1603	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2267
1608	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1609		2270
1610	$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	]
1611	}	2308	}
1612		2309
1613	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1614		2311
1615	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2313	instantiated unique items. May block.
1617		2314
1618	=cut	2315	=cut
1619		2316
1620	sub unique_maps() {	2317	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2318	[
1622	or return;	2319	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2320	utf8::decode $_;
1628	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2323	? ()
1631	s/\.map$//;	2324	: normalise $_
1632	push @paths, $_;	2325	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2326	]
1634
1635	\@paths
1636	}	2327	}
1637
1638	package cf;
1639		2328
1640	=back	2329	=back
1641		2330
1642	=head3 cf::object	2331	=head3 cf::object
1643		2332
…		…
1647		2336
1648	=over 4	2337	=over 4
1649		2338
1650	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1651		2340
1652	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.
1653		2343
1654	=cut	2344	=cut
1655		2345
1656	sub inv_recursive_;	2346	sub inv_recursive_;
1657	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1660		2350
1661	sub inv_recursive {	2351	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1663	}	2353	}
1664		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
1665	package cf;	2383	package cf;
1666		2384
1667	=back	2385	=back
1668		2386
1669	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1675	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>
1676	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
1677	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1678		2396
1679	=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	};
1680		2412
1681	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2414	# with dialog boxes.
1683	#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
1684	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1686		2418
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2420
1689	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1691	} 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 {
1692	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1694	}	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 (@_);
1695	}	2446	}
1696		2447
1697	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1698		2449
1699	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1712		2463
1713	=item $player_object->enter_link	2464	=item $player_object->enter_link
1714		2465
1715	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}>).
1716		2467
1717	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.
1718	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.
1719		2472
1720	Will never block.	2473	Will never block.
1721		2474
1722	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1723		2476
…		…
1731	=cut	2484	=cut
1732		2485
1733	sub link_map {	2486	sub link_map {
1734	unless ($LINK_MAP) {	2487	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2488	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2489	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2490	$LINK_MAP->load;
1738	}	2491	}
1739		2492
1740	$LINK_MAP	2493	$LINK_MAP
1741	}	2494	}
…		…
1746	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1747		2500
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2502
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1752		2505
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2507	}
1755		2508
1756	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1758		2513
1759	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1760		2515
1761	unless ($map) {	2516	unless ($map) {
1762	# restore original map position	2517	# restore original map position
…		…
1776	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1779		2534
1780	$map->load;	2535	$map->load;
1781	$map->load_diag;	2536	$map->load_neighbours;
1782		2537
1783	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
1784	$self->activate_recursive;	2544	$self->activate_recursive;
1785	$self->enter_map ($map, $x, $y);
1786	}	2545	}
1787		2546
1788	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2548
1792	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1796	};	2553	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2554
1802	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1803	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2557
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1823		2561
1824	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1825	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;
1826		2567
1827	$self->enter_link;	2568	$self->enter_link;
1828		2569
1829	(async {	2570	(async {
1830	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) {
1831	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
1832		2597	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2598	} else {
1834	# if $map;
1835
1836	$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	}
1837		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};
1838	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1839	})->prio (1);	2616	})->prio (1);
1840	}	2617	}
1841		2618
1842	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1843		2620
…		…
1863	}	2640	}
1864		2641
1865	sub prepare_random_map {	2642	sub prepare_random_map {
1866	my ($exit) = @_;	2643	my ($exit) = @_;
1867		2644
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2647	# that depends on the exit object
1873		2648
1874	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
1875		2650
1876	if ($exit->map) {	2651	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2652	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1881	}	2658	}
1882		2659
1883	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1884		2661
1885	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1888		2665
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2668	undef $fh;
1892	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1893		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1896	}	2677	}
1897	}	2678	}
1898		2679
1899	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
1901		2682
1902	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1903		2684
1904	if ($exit->slaying eq "/!") {
1905	#TODO: this should de-fi-ni-te-ly not be a sync-job
1906	cf::sync_job { prepare_random_map $exit };
1907	}
1908
1909	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1910	my $hp = $exit->stats->hp;
1911	my $sp = $exit->stats->sp;
1912
1913	$self->enter_link;	2685	$self->enter_link;
1914		2686
1915	(async {	2687	(async {
1916	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1917	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
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
1918	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
1919		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
1920	1;	2711	1
1921	}) {	2712	}) {
1922	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1923	. "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. "
1924	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1925	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1926		2717
1927	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1928	$self->leave_link;	2719	$self->leave_link;
1929	}	2720	}
1930	})->prio (1);	2721	})->prio (1);
…		…
1943		2734
1944	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1945	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1946		2737
1947	utf8::encode $text;	2738	utf8::encode $text;
1948	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1949	}	2740	}
1950		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	}
1951		2936
1952	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
1953		2938
1954	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
1955	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>,
1956	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>.
1957		2942
1958	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
1959	reliable at some point in the future.	2944	become reliable at some point in the future.
1960		2945
1961	=cut	2946	=cut
1962		2947
1963	sub cf::client::query {	2948	sub cf::client::query {
1964	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
1972	utf8::encode $text;	2957	utf8::encode $text;
1973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1974		2959
1975	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
1976	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
1977	}	2964	}
1978		2965
1979	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	},
1980	on_reply => sub {	2972	on_reply => sub {
1981	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
1982		2974
1983	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
1984	# get handled first	2976	# get handled first
1985	my $queue = delete $ns->{query_queue}	2977	my $queue = delete $ns->{query_queue}
1986	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
1987		2979
1988	(shift @$queue)->[1]->($msg);	2980	(shift @$queue)->[1]->($msg);
		2981	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1989		2982
1990	push @{ $ns->{query_queue} }, @$queue;	2983	push @{ $ns->{query_queue} }, @$queue;
1991		2984
1992	if (@{ $ns->{query_queue} } == @$queue) {	2985	if (@{ $ns->{query_queue} } == @$queue) {
1993	if (@$queue) {	2986	if (@$queue) {
…		…
1995	} else {	2988	} else {
1996	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1997	}	2990	}
1998	}	2991	}
1999	},	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	},
2000	);	3019	);
2001		3020
2002	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2003		3022
2004	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2045	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2046	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2047		3066
2048	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2049		3068
2050	$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	));
2051		3074
2052	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2053		3076
2054	=pod	3077	=pod
2055		3078
2056	The following fucntions and emthods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2057		3080
2058	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
2059	cf::object::player player	3086	cf::object::player
2060	cf::player peaceful	3087	player
2061	cf::map trigger	3088
		3089	cf::player
		3090	peaceful
		3091
		3092	cf::map
		3093	trigger
2062		3094
2063	=cut	3095	=cut
2064		3096
2065	for (	3097	for (
2066	["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)],
2067	["cf::object::player" => qw(player)],	3101	["cf::object::player" => qw(player)],
2068	["cf::player" => qw(peaceful)],	3102	["cf::player" => qw(peaceful send_msg)],
2069	["cf::map" => qw(trigger)],	3103	["cf::map" => qw(trigger)],
2070	) {	3104	) {
2071	no strict 'refs';	3105	no strict 'refs';
2072	my ($pkg, @funs) = @$_;	3106	my ($pkg, @funs) = @$_;
2073	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3107	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2090	my ($code, %vars) = @_;	3124	my ($code, %vars) = @_;
2091		3125
2092	my $qcode = $code;	3126	my $qcode = $code;
2093	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3127	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2094	$qcode =~ s/\n/\\n/g;	3128	$qcode =~ s/\n/\\n/g;
		3129
		3130	%vars = (_dummy => 0) unless %vars;
2095		3131
2096	local $_;	3132	local $_;
2097	local @safe::cf::_safe_eval_args = values %vars;	3133	local @safe::cf::_safe_eval_args = values %vars;
2098		3134
2099	my $eval =	3135	my $eval =
…		…
2142	=back	3178	=back
2143		3179
2144	=cut	3180	=cut
2145		3181
2146	#############################################################################	3182	#############################################################################
		3183	# the server's init and main functions
2147		3184
2148	=head2 EXTENSION DATABASE SUPPORT	3185	sub load_facedata($) {
		3186	my ($path) = @_;
2149		3187
2150	Crossfire maintains a very simple database for extension use. It can	3188	# HACK to clear player env face cache, we need some signal framework
2151	currently store anything that can be serialised using Storable, which	3189	# for this (global event?)
2152	excludes objects.	3190	%ext::player_env::MUSIC_FACE_CACHE = ();
2153		3191
2154	The parameter C<$family> should best start with the name of the extension	3192	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2155	using it, it should be unique.
2156		3193
2157	=over 4	3194	warn "loading facedata from $path\n";
2158		3195
2159	=item $hashref = cf::db_get $family	3196	my $facedata;
		3197	0 < aio_load $path, $facedata
		3198	or die "$path: $!";
2160		3199
2161	Return a hashref for use by the extension C<$family>, which can be	3200	$facedata = Coro::Storable::thaw $facedata;
2162	modified. After modifications, you have to call C<cf::db_dirty> or
2163	C<cf::db_sync>.
2164		3201
2165	=item $value = cf::db_get $family => $key	3202	$facedata->{version} == 2
		3203	or cf::cleanup "$path: version mismatch, cannot proceed.";
2166		3204
2167	Returns a single value from the database	3205	# patch in the exptable
2168		3206	$facedata->{resource}{"res/exp_table"} = {
2169	=item cf::db_put $family => $hashref	3207	type => FT_RSRC,
2170		3208	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2171	Stores the given family hashref into the database. Updates are delayed, if
2172	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_put $family => $key => $value
2175
2176	Stores the given C<$value> in the family hash. Updates are delayed, if you
2177	want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_dirty
2180
2181	Marks the database as dirty, to be updated at a later time.
2182
2183	=item cf::db_sync
2184
2185	Immediately write the database to disk I<if it is dirty>.
2186
2187	=cut
2188
2189	our $DB;
2190
2191	{
2192	my $path = cf::localdir . "/database.pst";
2193
2194	sub db_load() {
2195	$DB = stat $path ? Storable::retrieve $path : { };
2196	}	3209	};
		3210	cf::cede_to_tick;
2197		3211
2198	my $pid;
2199
2200	sub db_save() {
2201	waitpid $pid, 0 if $pid;
2202	if (0 == ($pid = fork)) {
2203	$DB->{_meta}{version} = 1;
2204	Storable::nstore $DB, "$path~";
2205	rename "$path~", $path;
2206	cf::_exit 0 if defined $pid;
2207	}
2208	}	3212	{
		3213	my $faces = $facedata->{faceinfo};
2209		3214
2210	my $dirty;	3215	while (my ($face, $info) = each %$faces) {
		3216	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2211		3217
2212	sub db_sync() {	3218	cf::face::set_visibility $idx, $info->{visibility};
2213	db_save if $dirty;	3219	cf::face::set_magicmap $idx, $info->{magicmap};
2214	undef $dirty;	3220	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2215	}	3221	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2216		3222
2217	my $idle = Event->idle (	3223	cf::cede_to_tick;
2218	reentrant => 0,
2219	min => 10,
2220	max => 20,
2221	repeat => 0,
2222	data => WF_AUTOCANCEL,
2223	cb => \&db_sync,
2224	);
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3224	}
2251	);
2252	}
2253		3225
2254	#############################################################################	3226	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3227	next unless $info->{smooth};
2256		3228
2257	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 {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3372	or return;
2260		3373
2261	local $/;	3374	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
2263		3376
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265		3378
2266	$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};
2267	$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};
…		…
2273	};	3386	};
2274	warn $@ if $@;	3387	warn $@ if $@;
2275	}	3388	}
2276	}	3389	}
2277		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
2278	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
2279	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2281	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#
2282	(async {	3437	(async {
2283	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2284	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2285	};	3441	};
2286		3442
2287	cfg_load;	3443	evthread_start IO::AIO::poll_fileno;
2288	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
2289	load_extensions;	3461	load_extensions;
2290		3462
2291	$TICK_WATCHER->start;	3463	utime time, time, $RUNTIMEFILE;
2292	Event::loop;	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;
2293	}	3473	}
2294		3474
2295	#############################################################################	3475	#############################################################################
2296	# initialisation and cleanup	3476	# initialisation and cleanup
2297		3477
2298	# install some emergency cleanup handlers	3478	# install some emergency cleanup handlers
2299	BEGIN {	3479	BEGIN {
		3480	our %SIGWATCHER = ();
2300	for my $signal (qw(INT HUP TERM)) {	3481	for my $signal (qw(INT HUP TERM)) {
2301	Event->signal (	3482	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2302	reentrant => 0,
2303	data => WF_AUTOCANCEL,
2304	signal => $signal,
2305	prio => 0,
2306	cb => sub {
2307	cf::cleanup "SIG$signal";	3483	cf::cleanup "SIG$signal";
2308	},
2309	);	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
2310	}	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 };
2311	}	3572	}
2312		3573
2313	sub emergency_save() {	3574	sub emergency_save() {
2314	my $freeze_guard = cf::freeze_mainloop;	3575	my $freeze_guard = cf::freeze_mainloop;
2315		3576
2316	warn "enter emergency perl save\n";	3577	warn "emergency_perl_save: enter\n";
2317		3578
2318	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
2319	# use a peculiar iteration method to avoid tripping on perl	3585	# use a peculiar iteration method to avoid tripping on perl
2320	# refcount bugs in for. also avoids problems with players	3586	# refcount bugs in for. also avoids problems with players
2321	# and maps saved/destroyed asynchronously.	3587	# and maps saved/destroyed asynchronously.
2322	warn "begin emergency player save\n";	3588	warn "emergency_perl_save: begin player save\n";
2323	for my $login (keys %cf::PLAYER) {	3589	for my $login (keys %cf::PLAYER) {
2324	my $pl = $cf::PLAYER{$login} or next;	3590	my $pl = $cf::PLAYER{$login} or next;
2325	$pl->valid or next;	3591	$pl->valid or next;
		3592	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2326	$pl->save;	3593	$pl->save;
2327	}	3594	}
2328	warn "end emergency player save\n";	3595	warn "emergency_perl_save: end player save\n";
2329		3596
2330	warn "begin emergency map save\n";	3597	warn "emergency_perl_save: begin map save\n";
2331	for my $path (keys %cf::MAP) {	3598	for my $path (keys %cf::MAP) {
2332	my $map = $cf::MAP{$path} or next;	3599	my $map = $cf::MAP{$path} or next;
2333	$map->valid or next;	3600	$map->valid or next;
2334	$map->save;	3601	$map->save;
2335	}	3602	}
2336	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 $DB_ENV;
		3607	warn "emergency_perl_save: end database checkpoint\n";
		3608
		3609	warn "emergency_perl_save: begin write uuid\n";
		3610	write_uuid_sync 1;
		3611	warn "emergency_perl_save: end write uuid\n";
2337	};	3612	};
2338		3613
		3614	warn "emergency_perl_save: starting sync()\n";
		3615	IO::AIO::aio_sync sub {
		3616	warn "emergency_perl_save: finished sync()\n";
		3617	};
		3618
2339	warn "leave emergency perl save\n";	3619	warn "emergency_perl_save: leave\n";
2340	}	3620	}
2341		3621
		3622	sub post_cleanup {
		3623	my ($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
2342	sub reload() {	3658	sub do_reload_perl() {
2343	# can/must only be called in main	3659	# can/must only be called in main
2344	if ($Coro::current != $Coro::main) {	3660	if ($Coro::current != $Coro::main) {
2345	warn "can only reload from main coroutine";	3661	warn "can only reload from main coroutine";
2346	return;	3662	return;
2347	}	3663	}
2348		3664
		3665	return if $RELOAD++;
		3666
		3667	my $t1 = EV::time;
		3668
		3669	while ($RELOAD) {
2349	warn "reloading...";	3670	warn "reloading...";
2350		3671
2351	warn "cancelling server ticker";	3672	warn "entering sync_job";
2352	$TICK_WATCHER->cancel;
2353		3673
		3674	cf::sync_job {
		3675	cf::write_runtime_sync; # external watchdog should not bark
2354	cf::emergency_save;	3676	cf::emergency_save;
		3677	cf::write_runtime_sync; # external watchdog should not bark
2355		3678
2356	eval {	3679	warn "syncing database to disk";
		3680	BDB::db_env_txn_checkpoint $DB_ENV;
		3681
2357	# 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
2358		3683
2359	warn "syncing database to disk";
2360	cf::db_sync;
2361
2362	warn "cancelling all WF_AUTOCANCEL watchers";
2363	for (Event::all_watchers) {
2364	$_->cancel if $_->data & WF_AUTOCANCEL;
2365	}
2366
2367	warn "flushing outstanding aio requests";	3684	warn "flushing outstanding aio requests";
2368	for (;;) {	3685	while (IO::AIO::nreqs || BDB::nreqs) {
2369	IO::AIO::flush;	3686	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2370	Coro::cede;
2371	last unless IO::AIO::nreqs;
2372	warn "iterate...";
2373	}
2374
2375	warn "cancelling all extension coros";
2376	$_->cancel for values %EXT_CORO;
2377	%EXT_CORO = ();
2378
2379	warn "removing commands";
2380	%COMMAND = ();
2381
2382	warn "removing ext commands";
2383	%EXTCMD = ();
2384
2385	warn "unloading/nuking all extensions";
2386	for my $pkg (@EXTS) {
2387	warn "... unloading $pkg";
2388
2389	if (my $cb = $pkg->can ("unload")) {
2390	eval {
2391	$cb->($pkg);
2392	1
2393	} or warn "$pkg unloaded, but with errors: $@";
2394	}	3687	}
2395		3688
2396	warn "... nuking $pkg";	3689	warn "cancelling all extension coros";
2397	Symbol::delete_package $pkg;	3690	$_->cancel for values %EXT_CORO;
2398	}	3691	%EXT_CORO = ();
2399		3692
2400	warn "unloading all perl modules loaded from $LIBDIR";	3693	warn "removing commands";
2401	while (my ($k, $v) = each %INC) {	3694	%COMMAND = ();
2402	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2403		3695
		3696	warn "removing ext/exti commands";
		3697	%EXTCMD = ();
		3698	%EXTICMD = ();
		3699
		3700	warn "unloading/nuking all extensions";
		3701	for my $pkg (@EXTS) {
2404	warn "... unloading $k";	3702	warn "... unloading $pkg";
2405	delete $INC{$k};
2406		3703
2407	$k =~ s/\.pm$//;
2408	$k =~ s/\//::/g;
2409
2410	if (my $cb = $k->can ("unload_module")) {	3704	if (my $cb = $pkg->can ("unload")) {
		3705	eval {
2411	$cb->();	3706	$cb->($pkg);
		3707	1
		3708	} or warn "$pkg unloaded, but with errors: $@";
		3709	}
		3710
		3711	warn "... clearing $pkg";
		3712	clear_package $pkg;
2412	}	3713	}
2413		3714
2414	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;
2415	}	3730	}
2416		3731
2417	warn "getting rid of safe::, as good as possible";	3732	warn "getting rid of safe::, as good as possible";
2418	Symbol::delete_package "safe::$_"	3733	clear_package "safe::$_"
2419	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);
2420		3735
2421	warn "unloading cf.pm \"a bit\"";	3736	warn "unloading cf.pm \"a bit\"";
2422	delete $INC{"cf.pm"};	3737	delete $INC{"cf.pm"};
		3738	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2423		3739
2424	# don't, removes xs symbols, too,	3740	# don't, removes xs symbols, too,
2425	# and global variables created in xs	3741	# and global variables created in xs
2426	#Symbol::delete_package __PACKAGE__;	3742	#clear_package __PACKAGE__;
2427		3743
2428	warn "unload completed, starting to reload now";	3744	warn "unload completed, starting to reload now";
2429		3745
2430	warn "reloading cf.pm";	3746	warn "reloading cf.pm";
2431	require cf;	3747	require cf;
2432	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3748	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2433		3749
2434	warn "loading config and database again";	3750	warn "loading config and database again";
2435	cf::cfg_load;	3751	cf::reload_config;
2436	cf::db_load;
2437		3752
2438	warn "loading extensions";	3753	warn "loading extensions";
2439	cf::load_extensions;	3754	cf::load_extensions;
2440		3755
		3756	if ($REATTACH_ON_RELOAD) {
2441	warn "reattaching attachments to objects/players";	3757	warn "reattaching attachments to objects/players";
2442	_global_reattach;	3758	_global_reattach; # objects, sockets
2443	warn "reattaching attachments to maps";	3759	warn "reattaching attachments to maps";
2444	reattach $_ for values %MAP;	3760	reattach $_ for values %MAP;
		3761	warn "reattaching attachments to players";
		3762	reattach $_ for values %PLAYER;
		3763	}
2445		3764
2446	warn "restarting server ticker";	3765	warn "running post_init jobs";
		3766	(pop @POST_INIT)->(1) while @POST_INIT;
2447		3767
2448	$TICK_WATCHER->start;	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	};
2449	};	3797	};
2450		3798	}
2451	if ($@) {
2452	warn $@;
2453	warn "error while reloading, exiting.";
2454	exit 1;
2455	}
2456
2457	warn "reloaded";
2458	};
2459
2460	our $RELOAD_WATCHER; # used only during reload
2461		3799
2462	register_command "reload" => sub {	3800	register_command "reload" => sub {
2463	my ($who, $arg) = @_;	3801	my ($who, $arg) = @_;
2464		3802
2465	if ($who->flag (FLAG_WIZ)) {	3803	if ($who->flag (FLAG_WIZ)) {
2466	$who->message ("reloading server.");	3804	$who->message ("reloading server.");
2467		3805	async {
2468	# doing reload synchronously and two reloads happen back-to-back,	3806	$Coro::current->{desc} = "perl_reload";
2469	# coro crashes during coro_state_free->destroy here.
2470
2471	$RELOAD_WATCHER ||= Event->timer (
2472	reentrant => 0,
2473	after => 0,
2474	data => WF_AUTOCANCEL,
2475	cb => sub {
2476	reload;	3807	reload_perl;
2477	undef $RELOAD_WATCHER;
2478	},
2479	);	3808	};
2480	}	3809	}
2481	};	3810	};
2482		3811
2483	unshift @INC, $LIBDIR;	3812	unshift @INC, $LIBDIR;
2484		3813
2485	my $bug_warning = 0;	3814	my $bug_warning = 0;
2486		3815
2487	$TICK_WATCHER = Event->timer (	3816	our @WAIT_FOR_TICK;
2488	reentrant => 0,	3817	our @WAIT_FOR_TICK_BEGIN;
2489	parked => 1,	3818
2490	prio => 0,	3819	sub wait_for_tick {
2491	at => $NEXT_TICK || $TICK,	3820	return if tick_inhibit || $Coro::current == $Coro::main;
2492	data => WF_AUTOCANCEL,	3821
2493	cb => sub {	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 {
2494	if ($Coro::current != $Coro::main) {	3836	if ($Coro::current != $Coro::main) {
2495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3837	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2496	unless ++$bug_warning > 10;	3838	unless ++$bug_warning > 10;
2497	return;	3839	return;
2498	}	3840	}
2499		3841
2500	$NOW = Event::time;
2501
2502	cf::server_tick; # one server iteration	3842	cf::server_tick; # one server iteration
2503	$RUNTIME += $TICK;
2504	$NEXT_TICK += $TICK;
2505		3843
2506	$WAIT_FOR_TICK->broadcast;	3844	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2507	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3845	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2508		3846	Coro::async_pool {
2509	Event::sweep;	3847	$Coro::current->{desc} = "runtime saver";
2510	Coro::cede_notself;
2511
2512	# my $AFTER = Event::time;
2513	# warn $AFTER - $NOW;#d#
2514
2515	# if we are delayed by four ticks or more, skip them all
2516	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2517
2518	$TICK_WATCHER->at ($NEXT_TICK);
2519	$TICK_WATCHER->start;
2520	},
2521	);
2522
2523	IO::AIO::max_poll_time $TICK * 0.1;
2524
2525	undef $Coro::AIO::WATCHER;
2526	$AIO_POLL_WATCHER = Event->io (
2527	reentrant => 0,
2528	fd => IO::AIO::poll_fileno,
2529	poll => 'r',
2530	prio => 6,
2531	data => WF_AUTOCANCEL,
2532	cb => \&IO::AIO::poll_cb,
2533	);
2534
2535	$WRITE_RUNTIME_WATCHER = Event->timer (
2536	reentrant => 0,
2537	data => WF_AUTOCANCEL,
2538	after => 1,
2539	interval => 10,
2540	prio => 6, # keep it lowest so it acts like a watchdog
2541	cb => Coro::unblock_sub {
2542	write_runtime	3848	write_runtime_sync
2543	or warn "ERROR: unable to write runtime file: $!";	3849	or warn "ERROR: unable to write runtime file: $!";
		3850	};
2544	},	3851	}
2545	);	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;
2546		3966
2547	END { cf::emergency_save }	3967	END { cf::emergency_save }
2548		3968
2549	1	3969	1
2550		3970

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