ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.465 by root, Thu Jan 8 00:54:55 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 "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 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
27		63
28	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
29		76
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		78
37	our %COMMAND = ();	79	our %COMMAND = ();
38	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
39		81
40	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
44		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	89	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		90
48	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	92	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
51	our $WRITE_RUNTIME_WATCHER;	94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	109	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	115	our $DB_ENV;
58		116
59	our %CFG;	117	our %CFG;
60		118
61	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
63		122
64	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		126
73	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
76	binmode STDOUT;	139	binmode STDOUT;
77	binmode STDERR;	140	binmode STDERR;
78		141
79	# read virtual server time, if available	142	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	144	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
84	}	147	}
85		148
86	mkdir cf::localdir;	149	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		151
93	our $EMERGENCY_POSITION;	152	our $EMERGENCY_POSITION;
94		153
95	sub cf::map::normalise;	154	sub cf::map::normalise;
96		155
…		…
107	=item $cf::RUNTIME	166	=item $cf::RUNTIME
108		167
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	168	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	169	every server tick.
111		170
112	=item $cf::LIBDIR	171	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		172	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		173	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		174
114	The perl library directory, where extensions and cf-specific modules can	175	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	176	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		177	unique-items directory, player file directory, random maps directory and
		178	database environment.
116		179
117	=item $cf::NOW	180	=item $cf::NOW
118		181
119	The time of the last (current) server tick.	182	The time of the last (current) server tick.
120		183
121	=item $cf::TICK	184	=item $cf::TICK
122		185
123	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
124		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
125	=item %cf::CFG	198	=item %cf::CFG
126		199
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	201	from wherever your confdir points to.
129		202
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		204
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	206	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
136		214
137	=back	215	=back
138		216
139	=cut	217	=cut
140		218
141	BEGIN {	219	BEGIN {
142	*CORE::GLOBAL::warn = sub {	220	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	221	my $msg = join "", @_;
144	utf8::encode $msg;
145		222
146	$msg .= "\n"	223	$msg .= "\n"
147	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
148		225
		226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		227
149	LOG llevError, $msg;	228	LOG llevError, $msg;
150	};	229	};
151	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
152		246
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		254
160	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	256	# within the Safe compartment.
162	for my $pkg (qw(	257	for my $pkg (qw(
163	cf::global cf::attachable	258	cf::global cf::attachable
164	cf::object cf::object::player	259	cf::object cf::object::player
165	cf::client cf::player	260	cf::client cf::player
166	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
167	cf::map cf::party cf::region	263	cf::party cf::region
168	)) {	264	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	266	}
172		267
173	$Event::DIED = sub {	268	$EV::DIED = sub {
174	warn "error in event callback: @_";	269	warn "error in event callback: @_";
175	};	270	};
		271
		272	#############################################################################
176		273
177	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
178		275
179	=over 4	276	=over 4
180		277
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	297	$d
201	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
202	}	299	}
203		300
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
207		302
208	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
209		304
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
218		306
219	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
220		308
221	=cut	309	=cut
222		310
223	sub to_json($) {	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	312
225	JSON::Syck::Dump $_[0]	313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
226	}	328	}
227		329
228	=item cf::lock_wait $string	330	=item cf::lock_wait $string
229		331
230	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
231		333
232	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
233		335
234	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
237	returned.	339	returned.
238		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
239	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
241		346
242	=cut	347	=item $locked = cf::lock_active $string
243		348
244	our %LOCK;	349	Return true if the lock is currently active, i.e. somebody has locked it.
		350
		351	=cut
		352
		353	our $LOCKS = new Coro::SemaphoreSet;
245		354
246	sub lock_wait($) {	355	sub lock_wait($) {
247	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	357	}
255		358
256	sub lock_acquire($) {	359	sub lock_acquire($) {
257	my ($key) = @_;	360	$LOCKS->guard ($_[0])
		361	}
258		362
259	# wait, to be sure we are not locked	363	sub lock_active($) {
260	lock_wait $key;	364	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	365	}
269		366
270	sub freeze_mainloop {	367	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
272		369
273	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	371	}
275	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
276	};	431	}
277	$WRITE_RUNTIME_WATCHER->stop;	432	};
278	$TICK_WATCHER->stop;	433
279	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
280	}	446	}
281		447
282	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
283		449
284	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		455
290	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
291		457
292	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
293		459
294	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
297		464
298	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
301	fast or be very important.	468	fast or be very important.
…		…
304		471
305	sub sync_job(&) {	472	sub sync_job(&) {
306	my ($job) = @_;	473	my ($job) = @_;
307		474
308	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
309	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
311		480
312	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	482
314	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
315		484
316	my $busy = 1;	485	my $busy = 1;
317	my @res;	486	my @res;
318		487
319	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	490	@res = eval { $job->() };
321	warn $@ if $@;	491	warn $@ if $@;
322	undef $busy;	492	undef $busy;
323	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
324		494
325	while ($busy) {	495	while ($busy) {
326	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
327	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
328		506
329	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
330	} else {	508	} else {
331	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
332		510
…		…
352	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
353		531
354	$coro	532	$coro
355	}	533	}
356		534
357	sub write_runtime {	535	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		536
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
361	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
362		541
363	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		543
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
368	and return;	545	my ($cb, @args) = @_;
369		546
370	# always fsync - this file is important	547	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	548	# otherwise perl prematurely frees the stuff :/
372	and return;	549	# TODO: investigate and fix (likely this will be rather laborious)
373		550
374	close $fh	551	my @res = Coro::Util::fork_eval {
375	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
376		555
377	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
378	and return;	557	}
379		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
380	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	722	}
382		723
383	=back	724	=back
384		725
385	=cut	726	=cut
386		727
387	#############################################################################	728	#############################################################################
388		729
389	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
390		731
391	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
392	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
394		735
395	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	738	Deliantra).
398		739
399	=over 4	740	=over 4
400		741
401	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
402		743
…		…
446	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
447		788
448	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
450		791
451	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
452	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
453		794
454	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
455		796
456	=over 4	797	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
566		907
567	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		912
572	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	914	my $pkg = shift @arg;
574		915
575	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
605	}	946	}
606		947
607	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
608	} else {	949	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	951	}
611		952
612	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
613	}	954	}
614		955
…		…
616	if (ref $_[0]) {	957	if (ref $_[0]) {
617	_object_attach @_;	958	_object_attach @_;
618	} else {	959	} else {
619	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
620	}	961	}
		962	_recalc_want;
621	};	963	};
622		964
623	# all those should be optimised	965	# all those should be optimised
624	sub cf::attachable::detach {	966	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
629	reattach ($obj);	971	reattach ($obj);
630	} else {	972	} else {
631	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
632	}	974	}
		975	_recalc_want;
633	};	976	};
634		977
635	sub cf::attachable::attached {	978	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
637		980
…		…
652	";	995	";
653	die if $@;	996	die if $@;
654	}	997	}
655		998
656	our $override;	999	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1001
659	sub override {	1002	sub override {
660	$override = 1;	1003	$override = 1;
661	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
662	}	1005	}
663		1006
664	sub do_invoke {	1007	sub do_invoke {
665	my $event = shift;	1008	my $event = shift;
666	my $callbacks = shift;	1009	my $callbacks = shift;
667		1010
668	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
669		1012
670	local $override;	1013	local $override;
671		1014
672	for (@$callbacks) {	1015	for (@$callbacks) {
673	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
682	}	1025	}
683		1026
684	0	1027	0
685	}	1028	}
686		1029
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1031
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1033
691	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
692		1035
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1039
697	=back	1040	=back
698		1041
699	=cut	1042	=cut
700		1043
701	#############################################################################	1044	#############################################################################
702	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
703		1088
704	sub reattach {	1089	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1091	my ($obj) = @_;
707		1092
		1093	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1095
710	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
711		1097
712	@$registry = ();	1098	@$registry = ();
713		1099
…		…
728	cf::attachable->attach (	1114	cf::attachable->attach (
729	prio => -1000000,	1115	prio => -1000000,
730	on_instantiate => sub {	1116	on_instantiate => sub {
731	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
732		1118
733	$data = from_json $data;	1119	$data = decode_json $data;
734		1120
735	for (@$data) {	1121	for (@$data) {
736	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
737		1123
738	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1140	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
756		1142
757	sync_job {	1143	sync_job {
758	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
761		1148
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1153	aio_close $fh;
767		1154
768	if (@$objs) {	1155	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1161	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
776	}	1163	}
777	} else {	1164	} else {
778	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
779	}	1166	}
780		1167
781	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1172	} else {
783	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
784	}	1174	}
785	} else {	1175	} else {
786	aio_unlink $filename;	1176	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
788	}	1178	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1179	};
796	}	1180	}
797		1181
798	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
800		1184
…		…
805		1189
806	sub object_thawer_load {	1190	sub object_thawer_load {
807	my ($filename) = @_;	1191	my ($filename) = @_;
808		1192
809	my ($data, $av);	1193	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1194
814	(aio_load $filename, $data) >= 0	1195	(aio_load $filename, $data) >= 0
815	or return;	1196	or return;
816		1197
817	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
819	or return;	1200	or return;
		1201
820	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
821	}	1204	}
822		1205
		1206	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
825	return ($data, $av);	1210	($data, $av)
826	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
827		1218
828	#############################################################################	1219	#############################################################################
829	# command handling &c	1220	# command handling &c
830		1221
831	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1236	}
846		1237
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1239
849	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
850		1245
851	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
852	called.	1247	called.
853		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
854	=cut	1260	=cut
855		1261
856	sub register_extcmd {	1262	sub register_extcmd {
857	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
858		1264
859	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
860	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
861		1275
862	cf::player->attach (	1276	cf::player->attach (
863	on_command => sub {	1277	on_command => sub {
864	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
865		1279
…		…
873	cf::override;	1287	cf::override;
874	},	1288	},
875	on_extcmd => sub {	1289	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
877		1291
878	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1293
880	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
886	} else {	1309	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1311	}
889		1312
890	cf::override;	1313	cf::override;
891	},	1314	},
892	);	1315	);
893		1316
		1317	# "readahead" all extensions
894	sub load_extension {	1318	sub cache_extensions {
895	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
896		1320
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
898	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1324	}
922	die $@;
923	}	1325	};
924		1326
925	push @EXTS, $pkg;	1327	$grp
926	}	1328	}
927		1329
928	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
929	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1335	next unless -r $path;
931	eval {	1336
932	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
933	1	1393	}
934	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
935	}	1399	};
936	}	1400	}
937		1401
938	#############################################################################	1402	#############################################################################
939		1403
		1404	=back
		1405
940	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
941		1407
942	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
943		1409
944	=cut	1410	=cut
945		1411
946	package cf::player;	1412	package cf::player;
947		1413
…		…
949		1415
950	=head3 cf::player	1416	=head3 cf::player
951		1417
952	=over 4	1418	=over 4
953		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
		1433
954	=item cf::player::find $login	1434	=item cf::player::find $login
955		1435
956	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
957		1437
958	=cut	1438	=cut
959		1439
960	sub playerdir($) {	1440	sub playerdir($) {
961	cf::localdir	1441	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1442	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1443	}
967		1444
968	sub path($) {	1445	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1446	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1447
971	(playerdir $login) . "/$login.pl"	1448	(playerdir $login) . "/playerdata"
972	}	1449	}
973		1450
974	sub find_active($) {	1451	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1452	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1453	and $cf::PLAYER{$_[0]}->active
…		…
979		1456
980	sub exists($) {	1457	sub exists($) {
981	my ($login) = @_;	1458	my ($login) = @_;
982		1459
983	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
985	}	1462	}
986		1463
987	sub find($) {	1464	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1466	my $login = $_[0];
990		1467
991	my $guard = cf::lock_acquire "user_find:$login";	1468	my $guard = cf::lock_acquire "user_find:$login";
992		1469
993	$cf::PLAYER{$_[0]} || do {	1470	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1471	# rename old playerfiles to new ones
		1472	#TODO: remove when no longer required
		1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1476	aio_unlink +(playerdir $login) . "/$login.pl";
		1477
		1478	my $f = new_from_file cf::object::thawer path $login
995	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
997	}	1487	}
998	}	1488	}
999	}	1489	}
1000		1490
…		…
1009	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1010		1500
1011	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1013		1503
		1504	cf::get_slot 0.01;
		1505
1014	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1015	Coro::cede;	1507	cf::cede_to_tick;
1016	}	1508	}
1017		1509
1018	sub new($) {	1510	sub new($) {
1019	my ($login) = @_;	1511	my ($login) = @_;
1020		1512
…		…
1026	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1027		1519
1028	$self	1520	$self
1029	}	1521	}
1030		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1031	=item $pl->quit_character	1533	=item $pl->quit_character
1032		1534
1033	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1035		1537
1036	=cut	1538	=cut
1037		1539
1038	sub quit_character {	1540	sub quit_character {
1039	my ($pl) = @_;	1541	my ($pl) = @_;
1040		1542
		1543	my $name = $pl->ob->name;
		1544
1041	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1547
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1048		1554
1049	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1557	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1558	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1559	$pl->destroy;
		1560
		1561	my $prefix = qr<^~\Q$name\E/>;
		1562
		1563	# nuke player maps
		1564	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1565
1054	IO::AIO::aio_rmtree $temp;	1566	IO::AIO::aio_rmtree $temp;
		1567	}
		1568
		1569	=item $pl->kick
		1570
		1571	Kicks a player out of the game. This destroys the connection.
		1572
		1573	=cut
		1574
		1575	sub kick {
		1576	my ($pl, $kicker) = @_;
		1577
		1578	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1579	$pl->killer ("kicked");
		1580	$pl->ns->destroy;
1055	}	1581	}
1056		1582
1057	=item cf::player::list_logins	1583	=item cf::player::list_logins
1058		1584
1059	Returns am arrayref of all valid playernames in the system, can take a	1585	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1586	while and may block, so not sync_job-capable, ever.
1061		1587
1062	=cut	1588	=cut
1063		1589
1064	sub list_logins {	1590	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1591	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1592	or return [];
1067		1593
1068	my @logins;	1594	my @logins;
1069		1595
1070	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1074		1606
1075	utf8::decode $login;	1607	utf8::decode $login;
1076	push @logins, $login;	1608	push @logins, $login;
1077	}	1609	}
1078		1610
…		…
1105	}	1637	}
1106		1638
1107	\@paths	1639	\@paths
1108	}	1640	}
1109		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1111		1647
1112	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1113		1649
1114	=cut	1650	=cut
1115		1651
1116	sub ext_reply($$$%) {	1652	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1118		1654
1119	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1656	}
1123		1657
1124	package cf;	1658	=item $player->ext_msg ($type, @msg)
		1659
		1660	Sends an ext event to the client.
		1661
		1662	=cut
		1663
		1664	sub ext_msg($$@) {
		1665	my ($self, $type, @msg) = @_;
		1666
		1667	$self->ns->ext_msg ($type, @msg);
		1668	}
		1669
		1670	=head3 cf::region
		1671
		1672	=over 4
		1673
		1674	=cut
		1675
		1676	package cf::region;
		1677
		1678	=item cf::region::find_by_path $path
		1679
		1680	Tries to decuce the likely region for a map knowing only its path.
		1681
		1682	=cut
		1683
		1684	sub find_by_path($) {
		1685	my ($path) = @_;
		1686
		1687	my ($match, $specificity);
		1688
		1689	for my $region (list) {
		1690	if ($region->{match} && $path =~ $region->{match}) {
		1691	($match, $specificity) = ($region, $region->specificity)
		1692	if $region->specificity > $specificity;
		1693	}
		1694	}
		1695
		1696	$match
		1697	}
1125		1698
1126	=back	1699	=back
1127
1128		1700
1129	=head3 cf::map	1701	=head3 cf::map
1130		1702
1131	=over 4	1703	=over 4
1132		1704
…		…
1144	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1146		1718
1147	sub generate_random_map {	1719	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1149	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1725	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1188		1763
1189	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1190	local $self->{path};	1765	local $self->{path};
1191	local $self->{load_path};	1766	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1767
1195	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1196	}	1769	}
1197		1770
1198	sub normalise {	1771	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1246	return $self;	1819	return $self;
1247	}	1820	}
1248	}	1821	}
1249		1822
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1824	()
1252	}	1825	}
1253		1826
1254	sub init {	1827	sub init {
1255	my ($self) = @_;	1828	my ($self) = @_;
…		…
1270		1843
1271	# the original (read-only) location	1844	# the original (read-only) location
1272	sub load_path {	1845	sub load_path {
1273	my ($self) = @_;	1846	my ($self) = @_;
1274		1847
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1848	"$MAPDIR/$self->{path}.map"
1276	}	1849	}
1277		1850
1278	# the temporary/swap location	1851	# the temporary/swap location
1279	sub save_path {	1852	sub save_path {
1280	my ($self) = @_;	1853	my ($self) = @_;
1281		1854
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1856	"$TMPDIR/$path.map"
1284	}	1857	}
1285		1858
1286	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1287	sub uniq_path {	1860	sub uniq_path {
1288	my ($self) = @_;	1861	my ($self) = @_;
1289		1862
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1864	"$UNIQUEDIR/$path"
1292	}	1865	}
1293		1866
1294	# and all this just because we cannot iterate over	1867	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	1868	my ($self) = @_;
1298		1869
1299	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1301	}	1873	}
1302		1874
1303	sub unlink_save {	1875	sub unlink_save {
1304	my ($self) = @_;	1876	my ($self) = @_;
1305		1877
1306	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1880	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1881	}
1315		1882
1316	sub load_header_from($) {	1883	sub load_header_from($) {
1317	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1318		1885
1319	utf8::encode $path;	1886	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1325		1895
1326	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1327		1897
1328	1	1898	1
1329	}	1899	}
…		…
1368	$self->load_header_orig	1938	$self->load_header_orig
1369	or return;	1939	or return;
1370	$self->prepare_orig;	1940	$self->prepare_orig;
1371	}	1941	}
1372		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
1373	1	1949	1
1374	}	1950	}
1375		1951
1376	sub find;	1952	sub find;
1377	sub find {	1953	sub find {
1378	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1379		1955
1380	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1381		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1383		1960
1384	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1387	or return;	1963	or return;
1388		1964
1389	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1390		1966
1391	$map->load_header	1967	$map->load_header
1392	or return;	1968	or return;
1393		1969
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1397	$map->reset;	1975	$map->reset;
1398	undef $guard;
1399	return find $path;	1976	return find $path;
1400	}	1977	}
1401		1978
1402	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1403	}	1980	}
…		…
1410	my ($self) = @_;	1987	my ($self) = @_;
1411		1988
1412	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1413		1990
1414	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1416		1995
		1996	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1998
1419	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1420		2000
1421	$self->alloc;	2001	$self->alloc;
1422		2002
1423	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1424		2005
1425	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1426	or return;	2009	or return;
1427		2010
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1429	if delete $self->{load_original};	2012	if delete $self->{load_original};
1430		2013
1431	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2015	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2018	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1436	}	2022	}
1437	}	2023	}
1438		2024
1439	Coro::cede;	2025	$f->resolve_delayed_derefs;
1440		2026
		2027	cf::cede_to_tick;
1441	# now do the right thing for maps	2028	# now do the right thing for maps
1442	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2031	unless $self->difficulty;
1452	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
1453	$self->activate;	2039	$self->activate;
		2040	}
		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
		2045	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2046	}
1455		2047
1456	$self->post_load;	2048	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2049	}
1460		2050
1461	sub customise_for {	2051	sub customise_for {
1462	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1463		2053
1464	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2055	if $self->per_player;
1466		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1467	$self	2060	$self
1468	}	2061	}
1469		2062
1470	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2064	sub load_neighbours {
1472	my ($map) = @_;	2065	my ($map) = @_;
1473		2066
1474	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1475		2068
1476	for (0 .. 3) {	2069	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1478	or next;	2071	or next;
1479	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1480	or next;	2073	or next;
1481	$neigh->load;	2074	$neigh->load;
1482		2075
		2076	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2079	}
1486		2080
1487	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1489	or next;	2084	or next;
1490	$neigh->load;	2085	$neigh->load;
1491	}	2086	}
1492	}	2087	}
1493		2088
…		…
1498	}	2093	}
1499		2094
1500	sub do_load_sync {	2095	sub do_load_sync {
1501	my ($map) = @_;	2096	my ($map) = @_;
1502		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1503	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1504	}	2102	}
1505		2103
1506	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1508		2106
1509	sub find_async {	2107	sub find_async {
1510	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1511		2109
1512	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1513		2111
1514	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2114	}
1517		2115
1518	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1519	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1520	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2123	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2124	$map->load if $v;
		2125	}
1525		2126
1526	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1527	}	2128	}
1528	}	2129	}
1529	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1530	};	2131	};
1531	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2135	}
1535		2136
1536	sub save {	2137	sub save {
1537	my ($self) = @_;	2138	my ($self) = @_;
1538		2139
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2141
1541	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1542		2143
1543	return unless $self->dirty;	2144	return unless $self->dirty;
1544		2145
…		…
1550	return if $self->{deny_save};	2151	return if $self->{deny_save};
1551		2152
1552	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1553		2154
1554	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1556	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1557		2161
1558	if ($uniq) {	2162	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2165	} else {
…		…
1567	my ($self) = @_;	2171	my ($self) = @_;
1568		2172
1569	# save first because save cedes	2173	# save first because save cedes
1570	$self->save;	2174	$self->save;
1571		2175
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2177
1574	return if $self->players;	2178	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2180	return if $self->{deny_save};
1577		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2186	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2187	}
1581		2188
1582	sub reset_at {	2189	sub reset_at {
1583	my ($self) = @_;	2190	my ($self) = @_;
1584		2191
1585	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1588		2194
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2197
…		…
1602	my ($self) = @_;	2208	my ($self) = @_;
1603		2209
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2211
1606	return if $self->players;	2212	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2213
1609	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
		2215
		2216	$self->in_memory (cf::MAP_SWAPPED);
		2217
		2218	# need to save uniques path
		2219	unless ($self->{deny_save}) {
		2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2221
		2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2223	if $uniq;
		2224	}
1610		2225
1611	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1612		2227
1613	$self->in_memory (cf::MAP_SWAPPED);	2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2230	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2231
1618	$self->unlink_save;	2232	$self->unlink_save;
1619	$self->destroy;	2233	$self->destroy;
1620	}	2234	}
1621		2235
1622	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1623		2237
1624	sub nuke {	2238	sub nuke {
1625	my ($self) = @_;	2239	my ($self) = @_;
1626		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1627	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1628		2245
1629	$self->unlink_save;	2246	$self->unlink_save;
1630		2247
1631	bless $self, "cf::map";	2248	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2253
1637	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1638		2256
1639	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1640	}	2294	}
1641		2295
1642	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1643		2297
1644	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2299	instantiated unique items. May block.
1646		2300
1647	=cut	2301	=cut
1648		2302
1649	sub unique_maps() {	2303	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1651	or return;	2305	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2306	utf8::decode $_;
1657	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2309	? ()
1660	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2312	]
1662
1663	\@paths
1664	}	2313	}
1665
1666	package cf;
1667		2314
1668	=back	2315	=back
1669		2316
1670	=head3 cf::object	2317	=head3 cf::object
1671		2318
…		…
1675		2322
1676	=over 4	2323	=over 4
1677		2324
1678	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1679		2326
1680	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1681		2329
1682	=cut	2330	=cut
1683		2331
1684	sub inv_recursive_;	2332	sub inv_recursive_;
1685	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1688		2336
1689	sub inv_recursive {	2337	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1691	}	2339	}
1692		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1693	package cf;	2369	package cf;
1694		2370
1695	=back	2371	=back
1696		2372
1697	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1706		2382
1707	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1708		2398
1709	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2400	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1714		2404
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2406
1717	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1719	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1722	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1723	}	2432	}
1724		2433
1725	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1726		2435
1727	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1740		2449
1741	=item $player_object->enter_link	2450	=item $player_object->enter_link
1742		2451
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2453
1745	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
1747		2458
1748	Will never block.	2459	Will never block.
1749		2460
1750	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1751		2462
…		…
1774	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1775		2486
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2488
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1780		2491
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2493	}
1783		2494
1784	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1786		2499
1787	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1788		2501
1789	unless ($map) {	2502	unless ($map) {
1790	# restore original map position	2503	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1807		2520
1808	$map->load;	2521	$map->load;
1809	$map->load_diag;	2522	$map->load_neighbours;
1810		2523
1811	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1812	$self->activate_recursive;	2526	$self->activate_recursive;
		2527
		2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1814	}	2530	}
1815		2531
1816	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2533
1820	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1824	};	2538	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2539
1830	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2542
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1851		2546
1852	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2552
1855	$self->enter_link;	2553	$self->enter_link;
1856		2554
1857	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1858	my $map = eval {	2577	my $map = eval {
1859	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1861	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2593	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1866	})->prio (1);	2601	})->prio (1);
1867	}	2602	}
1868		2603
1869	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1870		2605
…		…
1890	}	2625	}
1891		2626
1892	sub prepare_random_map {	2627	sub prepare_random_map {
1893	my ($exit) = @_;	2628	my ($exit) = @_;
1894		2629
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2632	# that depends on the exit object
1900		2633
1901	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2636	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
1908	}	2643	}
1909		2644
1910	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1911		2646
1912	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1915		2650
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2653	undef $fh;
1919	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
1920		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
1923	}	2662	}
1924	}	2663	}
1925		2664
1926	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
1928		2667
1929	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
1930		2669
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2670	$self->enter_link;
1941		2671
1942	(async {	2672	(async {
1943	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
1944	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
1945	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
1946		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
1947	1;	2696	1
1948	}) {	2697	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2702
1954	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2704	$self->leave_link;
1956	}	2705	}
1957	})->prio (1);	2706	})->prio (1);
…		…
1970		2719
1971	sub cf::client::send_drawinfo {	2720	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2721	my ($self, $text, $flags) = @_;
1973		2722
1974	utf8::encode $text;	2723	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2725	}
1977		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/statistics" => {
		2775	id => "infobox",
		2776	title => "Statistics",
		2777	reply => undef,
		2778	tooltip => "Shows your primary statistics",
		2779	},
		2780	"c/skills" => {
		2781	id => "infobox",
		2782	title => "Skills",
		2783	reply => undef,
		2784	tooltip => "Shows your experience per skill and item power",
		2785	},
		2786	"c/resistances" => {
		2787	id => "infobox",
		2788	title => "Resistances",
		2789	reply => undef,
		2790	tooltip => "Shows your resistances",
		2791	},
		2792	"c/pets" => {
		2793	id => "infobox",
		2794	title => "Pets",
		2795	reply => undef,
		2796	tooltip => "Shows information abotu your pets/a specific pet",
		2797	},
		2798	"c/uptime" => {
		2799	id => "infobox",
		2800	title => "Uptime",
		2801	reply => undef,
		2802	tooltip => "How long the server has been running since last restart",
		2803	},
		2804	"c/mapinfo" => {
		2805	id => "infobox",
		2806	title => "Map Info",
		2807	reply => undef,
		2808	tooltip => "Information related to the maps",
		2809	},
		2810	"c/party" => {
		2811	id => "party",
		2812	title => "Party",
		2813	reply => "gsay ",
		2814	tooltip => "Messages and chat related to your party",
		2815	},
		2816	"c/death" => {
		2817	id => "death",
		2818	title => "Death",
		2819	reply => undef,
		2820	tooltip => "Reason for and more info about your most recent death",
		2821	},
		2822	"c/say" => $SAY_CHANNEL,
		2823	"c/chat" => $CHAT_CHANNEL,
		2824	);
		2825
		2826	sub cf::client::send_msg {
		2827	my ($self, $channel, $msg, $color, @extra) = @_;
		2828
		2829	$msg = $self->pl->expand_cfpod ($msg)
		2830	unless $color & cf::NDI_VERBATIM;
		2831
		2832	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2833
		2834	# check predefined channels, for the benefit of C
		2835	if ($CHANNEL{$channel}) {
		2836	$channel = $CHANNEL{$channel};
		2837
		2838	$self->ext_msg (channel_info => $channel);
		2839	$channel = $channel->{id};
		2840
		2841	} elsif (ref $channel) {
		2842	# send meta info to client, if not yet sent
		2843	unless (exists $self->{channel}{$channel->{id}}) {
		2844	$self->{channel}{$channel->{id}} = $channel;
		2845	$self->ext_msg (channel_info => $channel);
		2846	}
		2847
		2848	$channel = $channel->{id};
		2849	}
		2850
		2851	return unless @extra || length $msg;
		2852
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	}
		2874
		2875	=item $client->ext_msg ($type, @msg)
		2876
		2877	Sends an ext event to the client.
		2878
		2879	=cut
		2880
		2881	sub cf::client::ext_msg($$@) {
		2882	my ($self, $type, @msg) = @_;
		2883
		2884	if ($self->extcmd == 2) {
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2886	} elsif ($self->extcmd == 1) { # TODO: remove
		2887	push @msg, msgtype => "event_$type";
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
		2890	}
		2891
		2892	=item $client->ext_reply ($msgid, @msg)
		2893
		2894	Sends an ext reply to the client.
		2895
		2896	=cut
		2897
		2898	sub cf::client::ext_reply($$@) {
		2899	my ($self, $id, @msg) = @_;
		2900
		2901	if ($self->extcmd == 2) {
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2903	} elsif ($self->extcmd == 1) {
		2904	#TODO: version 1, remove
		2905	unshift @msg, msgtype => "reply", msgid => $id;
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2907	}
		2908	}
1978		2909
1979	=item $success = $client->query ($flags, "text", \&cb)	2910	=item $success = $client->query ($flags, "text", \&cb)
1980		2911
1981	Queues a query to the client, calling the given callback with	2912	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2915
1985	Queries can fail, so check the return code. Or don't, as queries will become	2916	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2917	become reliable at some point in the future.
1987		2918
1988	=cut	2919	=cut
1989		2920
1990	sub cf::client::query {	2921	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2922	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2930	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2932
2002	$self->send_packet ($self->{query_queue}[0][0])	2933	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2934	if @{ $self->{query_queue} } == 1;
		2935
		2936	1
2004	}	2937	}
2005		2938
2006	cf::client->attach (	2939	cf::client->attach (
		2940	on_connect => sub {
		2941	my ($ns) = @_;
		2942
		2943	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2944	},
2007	on_reply => sub {	2945	on_reply => sub {
2008	my ($ns, $msg) = @_;	2946	my ($ns, $msg) = @_;
2009		2947
2010	# this weird shuffling is so that direct followup queries	2948	# this weird shuffling is so that direct followup queries
2011	# get handled first	2949	# get handled first
…		…
2023	} else {	2961	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2963	}
2026	}	2964	}
2027	},	2965	},
		2966	on_exticmd => sub {
		2967	my ($ns, $buf) = @_;
		2968
		2969	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2970
		2971	if (ref $msg) {
		2972	my ($type, $reply, @payload) =
		2973	"ARRAY" eq ref $msg
		2974	? @$msg
		2975	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2976
		2977	my @reply;
		2978
		2979	if (my $cb = $EXTICMD{$type}) {
		2980	@reply = $cb->($ns, @payload);
		2981	}
		2982
		2983	$ns->ext_reply ($reply, @reply)
		2984	if $reply;
		2985
		2986	} else {
		2987	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2988	}
		2989
		2990	cf::override;
		2991	},
2028	);	2992	);
2029		2993
2030	=item $client->async (\&cb)	2994	=item $client->async (\&cb)
2031		2995
2032	Create a new coroutine, running the specified callback. The coroutine will	2996	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3037	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3038	our $safe_hole = new Safe::Hole;
2075		3039
2076	$SIG{FPE} = 'IGNORE';	3040	$SIG{FPE} = 'IGNORE';
2077		3041
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3042	$safe->permit_only (Opcode::opset qw(
		3043	:base_core :base_mem :base_orig :base_math
		3044	grepstart grepwhile mapstart mapwhile
		3045	sort time
		3046	));
2079		3047
2080	# here we export the classes and methods available to script code	3048	# here we export the classes and methods available to script code
2081		3049
2082	=pod	3050	=pod
2083		3051
2084	The following fucntions and emthods are available within a safe environment:	3052	The following functions and methods are available within a safe environment:
2085		3053
2086	cf::object contr pay_amount pay_player map	3054	cf::object
		3055	contr pay_amount pay_player map x y force_find force_add destroy
		3056	insert remove name archname title slaying race decrease split
		3057
2087	cf::object::player player	3058	cf::object::player
2088	cf::player peaceful	3059	player
2089	cf::map trigger	3060
		3061	cf::player
		3062	peaceful
		3063
		3064	cf::map
		3065	trigger
2090		3066
2091	=cut	3067	=cut
2092		3068
2093	for (	3069	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3070	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3071	insert remove inv nrof name archname title slaying race
		3072	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3073	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3074	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3075	["cf::map" => qw(trigger)],
2098	) {	3076	) {
2099	no strict 'refs';	3077	no strict 'refs';
…		…
2170	=back	3148	=back
2171		3149
2172	=cut	3150	=cut
2173		3151
2174	#############################################################################	3152	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3153	# the server's init and main functions
2284		3154
		3155	sub load_facedata($) {
		3156	my ($path) = @_;
		3157
		3158	# HACK to clear player env face cache, we need some signal framework
		3159	# for this (global event?)
		3160	%ext::player_env::MUSIC_FACE_CACHE = ();
		3161
		3162	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3163
		3164	warn "loading facedata from $path\n";
		3165
		3166	my $facedata;
		3167	0 < aio_load $path, $facedata
		3168	or die "$path: $!";
		3169
		3170	$facedata = Coro::Storable::thaw $facedata;
		3171
		3172	$facedata->{version} == 2
		3173	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3174
		3175	# patch in the exptable
		3176	$facedata->{resource}{"res/exp_table"} = {
		3177	type => FT_RSRC,
		3178	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3179	};
		3180	cf::cede_to_tick;
		3181
		3182	{
		3183	my $faces = $facedata->{faceinfo};
		3184
		3185	while (my ($face, $info) = each %$faces) {
		3186	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3187
		3188	cf::face::set_visibility $idx, $info->{visibility};
		3189	cf::face::set_magicmap $idx, $info->{magicmap};
		3190	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3191	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3192
		3193	cf::cede_to_tick;
		3194	}
		3195
		3196	while (my ($face, $info) = each %$faces) {
		3197	next unless $info->{smooth};
		3198
		3199	my $idx = cf::face::find $face
		3200	or next;
		3201
		3202	if (my $smooth = cf::face::find $info->{smooth}) {
		3203	cf::face::set_smooth $idx, $smooth;
		3204	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3205	} else {
		3206	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3207	}
		3208
		3209	cf::cede_to_tick;
		3210	}
		3211	}
		3212
		3213	{
		3214	my $anims = $facedata->{animinfo};
		3215
		3216	while (my ($anim, $info) = each %$anims) {
		3217	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3218	cf::cede_to_tick;
		3219	}
		3220
		3221	cf::anim::invalidate_all; # d'oh
		3222	}
		3223
		3224	{
		3225	# TODO: for gcfclient pleasure, we should give resources
		3226	# that gcfclient doesn't grok a >10000 face index.
		3227	my $res = $facedata->{resource};
		3228
		3229	while (my ($name, $info) = each %$res) {
		3230	if (defined $info->{type}) {
		3231	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3232	my $data;
		3233
		3234	if ($info->{type} & 1) {
		3235	# prepend meta info
		3236
		3237	my $meta = $enc->encode ({
		3238	name => $name,
		3239	%{ $info->{meta} || {} },
		3240	});
		3241
		3242	$data = pack "(w/a*)*", $meta, $info->{data};
		3243	} else {
		3244	$data = $info->{data};
		3245	}
		3246
		3247	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3248	cf::face::set_type $idx, $info->{type};
		3249	} else {
		3250	$RESOURCE{$name} = $info;
		3251	}
		3252
		3253	cf::cede_to_tick;
		3254	}
		3255	}
		3256
		3257	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3258
		3259	1
		3260	}
		3261
		3262	cf::global->attach (on_resource_update => sub {
		3263	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3264	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3265
		3266	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3267	my $sound = $soundconf->{compat}[$_]
		3268	or next;
		3269
		3270	my $face = cf::face::find "sound/$sound->[1]";
		3271	cf::sound::set $sound->[0] => $face;
		3272	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3273	}
		3274
		3275	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3276	my $face = cf::face::find "sound/$v";
		3277	cf::sound::set $k => $face;
		3278	}
		3279	}
		3280	});
		3281
		3282	register_exticmd fx_want => sub {
		3283	my ($ns, $want) = @_;
		3284
		3285	while (my ($k, $v) = each %$want) {
		3286	$ns->fx_want ($k, $v);
		3287	}
		3288	};
		3289
2285	sub load_resources {	3290	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3291	my $guard = lock_acquire "load_resource_file";
		3292
		3293	my $status = load_resource_file_ $_[0];
		3294	get_slot 0.1, 100;
		3295	cf::arch::commit_load;
		3296
		3297	$status
		3298	}
		3299
		3300	sub reload_regions {
		3301	# HACK to clear player env face cache, we need some signal framework
		3302	# for this (global event?)
		3303	%ext::player_env::MUSIC_FACE_CACHE = ();
		3304
		3305	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3306	or die "unable to load regions file\n";
2288	}
2289		3307
2290	sub cfg_load {	3308	for (cf::region::list) {
		3309	$_->{match} = qr/$_->{match}/
		3310	if exists $_->{match};
		3311	}
		3312	}
		3313
		3314	sub reload_facedata {
		3315	load_facedata "$DATADIR/facedata"
		3316	or die "unable to load facedata\n";
		3317	}
		3318
		3319	sub reload_archetypes {
		3320	load_resource_file "$DATADIR/archetypes"
		3321	or die "unable to load archetypes\n";
		3322	}
		3323
		3324	sub reload_treasures {
		3325	load_resource_file "$DATADIR/treasures"
		3326	or die "unable to load treasurelists\n";
		3327	}
		3328
		3329	sub reload_resources {
		3330	warn "reloading resource files...\n";
		3331
		3332	reload_facedata;
		3333	reload_archetypes;
		3334	reload_regions;
		3335	reload_treasures;
		3336
		3337	warn "finished reloading resource files\n";
		3338	}
		3339
		3340	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3342	or return;
2293		3343
2294	local $/;	3344	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2296		3346
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3348
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3356	};
2307	warn $@ if $@;	3357	warn $@ if $@;
2308	}	3358	}
2309	}	3359	}
2310		3360
2311	sub init {	3361	sub pidfile() {
2312	load_resources;	3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
2313	}	3378	}
2314		3379
2315	sub main {	3380	sub main {
		3381	cf::init_globals; # initialise logging
		3382
		3383	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3384	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3385	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3386	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3387
		3388	cf::init_experience;
		3389	cf::init_anim;
		3390	cf::init_attackmess;
		3391	cf::init_dynamic;
		3392
		3393	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3394
2316	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3398	(async {
2320	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2322	};	3402	};
2323		3403
2324	cfg_load;	3404	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3405
		3406	cf::sync_job {
		3407	reload_resources;
		3408	reload_config;
		3409	db_init;
		3410
		3411	cf::load_settings;
		3412	cf::load_materials;
		3413	cf::init_uuid;
		3414	cf::init_signals;
		3415	cf::init_commands;
		3416	cf::init_skills;
		3417
		3418	cf::init_beforeplay;
		3419
		3420	atomic;
		3421
2326	load_extensions;	3422	load_extensions;
2327		3423
2328	$TICK_WATCHER->start;	3424	utime time, time, $RUNTIMEFILE;
		3425
		3426	# no (long-running) fork's whatsoever before this point(!)
		3427	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3428
		3429	(pop @POST_INIT)->(0) while @POST_INIT;
		3430	};
		3431
2329	Event::loop;	3432	EV::loop;
2330	}	3433	}
2331		3434
2332	#############################################################################	3435	#############################################################################
2333	# initialisation and cleanup	3436	# initialisation and cleanup
2334		3437
2335	# install some emergency cleanup handlers	3438	# install some emergency cleanup handlers
2336	BEGIN {	3439	BEGIN {
		3440	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3441	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3442	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3443	cf::cleanup "SIG$signal";
2345	},
2346	);	3444	};
		3445	}
		3446	}
		3447
		3448	sub write_runtime_sync {
		3449	# first touch the runtime file to show we are still running:
		3450	# the fsync below can take a very very long time.
		3451
		3452	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3453
		3454	my $guard = cf::lock_acquire "write_runtime";
		3455
		3456	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3457	or return;
		3458
		3459	my $value = $cf::RUNTIME + 90 + 10;
		3460	# 10 is the runtime save interval, for a monotonic clock
		3461	# 60 allows for the watchdog to kill the server.
		3462
		3463	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3464	and return;
		3465
		3466	# always fsync - this file is important
		3467	aio_fsync $fh
		3468	and return;
		3469
		3470	# touch it again to show we are up-to-date
		3471	aio_utime $fh, undef, undef;
		3472
		3473	close $fh
		3474	or return;
		3475
		3476	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3477	and return;
		3478
		3479	warn "runtime file written.\n";
		3480
2347	}	3481	1
		3482	}
		3483
		3484	our $uuid_lock;
		3485	our $uuid_skip;
		3486
		3487	sub write_uuid_sync($) {
		3488	$uuid_skip ||= $_[0];
		3489
		3490	return if $uuid_lock;
		3491	local $uuid_lock = 1;
		3492
		3493	my $uuid = "$LOCALDIR/uuid";
		3494
		3495	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = uuid_seq uuid_cur;
		3499
		3500	unless ($value) {
		3501	warn "cowardly refusing to write zero uuid value!\n";
		3502	return;
		3503	}
		3504
		3505	my $value = uuid_str $value + $uuid_skip;
		3506	$uuid_skip = 0;
		3507
		3508	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3509	and return;
		3510
		3511	# always fsync - this file is important
		3512	aio_fsync $fh
		3513	and return;
		3514
		3515	close $fh
		3516	or return;
		3517
		3518	aio_rename "$uuid~", $uuid
		3519	and return;
		3520
		3521	warn "uuid file written ($value).\n";
		3522
		3523	1
		3524
		3525	}
		3526
		3527	sub write_uuid($$) {
		3528	my ($skip, $sync) = @_;
		3529
		3530	$sync ? write_uuid_sync $skip
		3531	: async { write_uuid_sync $skip };
2348	}	3532	}
2349		3533
2350	sub emergency_save() {	3534	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3535	my $freeze_guard = cf::freeze_mainloop;
2352		3536
2353	warn "enter emergency perl save\n";	3537	warn "emergency_perl_save: enter\n";
2354		3538
2355	cf::sync_job {	3539	cf::sync_job {
		3540	# this is a trade-off: we want to be very quick here, so
		3541	# save all maps without fsync, and later call a global sync
		3542	# (which in turn might be very very slow)
		3543	local $USE_FSYNC = 0;
		3544
2356	# use a peculiar iteration method to avoid tripping on perl	3545	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3546	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3548	warn "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3553	$pl->save;
2364	}	3554	}
2365	warn "end emergency player save\n";	3555	warn "emergency_perl_save: end player save\n";
2366		3556
2367	warn "begin emergency map save\n";	3557	warn "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3558	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3560	$map->valid or next;
2371	$map->save;	3561	$map->save;
2372	}	3562	}
2373	warn "end emergency map save\n";	3563	warn "emergency_perl_save: end map save\n";
		3564
		3565	warn "emergency_perl_save: begin database checkpoint\n";
		3566	BDB::db_env_txn_checkpoint $DB_ENV;
		3567	warn "emergency_perl_save: end database checkpoint\n";
		3568
		3569	warn "emergency_perl_save: begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "emergency_perl_save: end write uuid\n";
2374	};	3572	};
2375		3573
		3574	warn "emergency_perl_save: starting sync()\n";
		3575	IO::AIO::aio_sync sub {
		3576	warn "emergency_perl_save: finished sync()\n";
		3577	};
		3578
2376	warn "leave emergency perl save\n";	3579	warn "emergency_perl_save: leave\n";
2377	}	3580	}
2378		3581
		3582	sub post_cleanup {
		3583	my ($make_core) = @_;
		3584
		3585	warn Carp::longmess "post_cleanup backtrace"
		3586	if $make_core;
		3587
		3588	my $fh = pidfile;
		3589	unlink $PIDFILE if <$fh> == $$;
		3590	}
		3591
		3592	# a safer delete_package, copied from Symbol
		3593	sub clear_package($) {
		3594	my $pkg = shift;
		3595
		3596	# expand to full symbol table name if needed
		3597	unless ($pkg =~ /^main::.*::$/) {
		3598	$pkg = "main$pkg" if $pkg =~ /^::/;
		3599	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3600	$pkg .= '::' unless $pkg =~ /::$/;
		3601	}
		3602
		3603	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3604	my $stem_symtab = *{$stem}{HASH};
		3605
		3606	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3607	or return;
		3608
		3609	# clear all symbols
		3610	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3611	for my $name (keys %$leaf_symtab) {
		3612	_gv_clear *{"$pkg$name"};
		3613	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3614	}
		3615	warn "cleared package $pkg\n";#d#
		3616	}
		3617
2379	sub reload() {	3618	sub do_reload_perl() {
2380	# can/must only be called in main	3619	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3621	warn "can only reload from main coroutine";
2383	return;	3622	return;
2384	}	3623	}
2385		3624
		3625	return if $RELOAD++;
		3626
		3627	my $t1 = EV::time;
		3628
		3629	while ($RELOAD) {
2386	warn "reloading...";	3630	warn "reloading...";
2387		3631
2388	warn "cancelling server ticker";	3632	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3633
		3634	cf::sync_job {
		3635	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3636	cf::emergency_save;
		3637	cf::write_runtime_sync; # external watchdog should not bark
2392		3638
2393	eval {	3639	warn "syncing database to disk";
		3640	BDB::db_env_txn_checkpoint $DB_ENV;
		3641
2394	# if anything goes wrong in here, we should simply crash as we already saved	3642	# if anything goes wrong in here, we should simply crash as we already saved
2395		3643
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";	3644	warn "flushing outstanding aio requests";
2405	for (;;) {	3645	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3646	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();
2415
2416	warn "removing commands";
2417	%COMMAND = ();
2418
2419	warn "removing ext commands";
2420	%EXTCMD = ();
2421
2422	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";
2425
2426	if (my $cb = $pkg->can ("unload")) {
2427	eval {
2428	$cb->($pkg);
2429	1
2430	} or warn "$pkg unloaded, but with errors: $@";
2431	}	3647	}
2432		3648
2433	warn "... nuking $pkg";	3649	warn "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3650	$_->cancel for values %EXT_CORO;
2435	}	3651	%EXT_CORO = ();
2436		3652
2437	warn "unloading all perl modules loaded from $LIBDIR";	3653	warn "removing commands";
2438	while (my ($k, $v) = each %INC) {	3654	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3655
		3656	warn "removing ext/exti commands";
		3657	%EXTCMD = ();
		3658	%EXTICMD = ();
		3659
		3660	warn "unloading/nuking all extensions";
		3661	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3662	warn "... unloading $pkg";
2442	delete $INC{$k};
2443		3663
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3664	if (my $cb = $pkg->can ("unload")) {
		3665	eval {
2448	$cb->();	3666	$cb->($pkg);
		3667	1
		3668	} or warn "$pkg unloaded, but with errors: $@";
		3669	}
		3670
		3671	warn "... clearing $pkg";
		3672	clear_package $pkg;
2449	}	3673	}
2450		3674
2451	Symbol::delete_package $k;	3675	warn "unloading all perl modules loaded from $LIBDIR";
		3676	while (my ($k, $v) = each %INC) {
		3677	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3678
		3679	warn "... unloading $k";
		3680	delete $INC{$k};
		3681
		3682	$k =~ s/\.pm$//;
		3683	$k =~ s/\//::/g;
		3684
		3685	if (my $cb = $k->can ("unload_module")) {
		3686	$cb->();
		3687	}
		3688
		3689	clear_package $k;
2452	}	3690	}
2453		3691
2454	warn "getting rid of safe::, as good as possible";	3692	warn "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3693	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3694	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3695
2458	warn "unloading cf.pm \"a bit\"";	3696	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3697	delete $INC{"cf.pm"};
		3698	delete $INC{"cf/pod.pm"};
2460		3699
2461	# don't, removes xs symbols, too,	3700	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3701	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3702	#clear_package __PACKAGE__;
2464		3703
2465	warn "unload completed, starting to reload now";	3704	warn "unload completed, starting to reload now";
2466		3705
2467	warn "reloading cf.pm";	3706	warn "reloading cf.pm";
2468	require cf;	3707	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3708	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3709
2471	warn "loading config and database again";	3710	warn "loading config and database again";
2472	cf::cfg_load;	3711	cf::reload_config;
2473	cf::db_load;
2474		3712
2475	warn "loading extensions";	3713	warn "loading extensions";
2476	cf::load_extensions;	3714	cf::load_extensions;
2477		3715
		3716	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	3717	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3718	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3719	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3720	reattach $_ for values %MAP;
		3721	warn "reattaching attachments to players";
		3722	reattach $_ for values %PLAYER;
		3723	}
2482		3724
2483	warn "loading reloadable resources";	3725	warn "running post_init jobs";
2484	load_resources;	3726	(pop @POST_INIT)->(1) while @POST_INIT;
2485		3727
2486	warn "restarting server ticker";	3728	warn "leaving sync_job";
2487		3729
2488	$TICK_WATCHER->start;	3730	1
		3731	} or do {
		3732	warn $@;
		3733	cf::cleanup "error while reloading, exiting.";
		3734	};
		3735
		3736	warn "reloaded";
		3737	--$RELOAD;
		3738	}
		3739
		3740	$t1 = EV::time - $t1;
		3741	warn "reload completed in ${t1}s\n";
		3742	};
		3743
		3744	our $RELOAD_WATCHER; # used only during reload
		3745
		3746	sub reload_perl() {
		3747	# doing reload synchronously and two reloads happen back-to-back,
		3748	# coro crashes during coro_state_free->destroy here.
		3749
		3750	$RELOAD_WATCHER ||= cf::async {
		3751	Coro::AIO::aio_wait cache_extensions;
		3752
		3753	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3754	do_reload_perl;
		3755	undef $RELOAD_WATCHER;
		3756	};
2489	};	3757	};
2490		3758	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3759
2502	register_command "reload" => sub {	3760	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3761	my ($who, $arg) = @_;
2504		3762
2505	if ($who->flag (FLAG_WIZ)) {	3763	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3764	$who->message ("reloading server.");
2507		3765	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3766	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3767	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3768	};
2520	}	3769	}
2521	};	3770	};
2522		3771
2523	unshift @INC, $LIBDIR;	3772	unshift @INC, $LIBDIR;
2524		3773
2525	my $bug_warning = 0;	3774	my $bug_warning = 0;
2526		3775
2527	$TICK_WATCHER = Event->timer (	3776	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3777	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3778
2530	prio => 0,	3779	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3780	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3781
2533	cb => sub {	3782	my $signal = new Coro::Signal;
		3783	push @WAIT_FOR_TICK, $signal;
		3784	$signal->wait;
		3785	}
		3786
		3787	sub wait_for_tick_begin {
		3788	return if tick_inhibit || $Coro::current == $Coro::main;
		3789
		3790	my $signal = new Coro::Signal;
		3791	push @WAIT_FOR_TICK_BEGIN, $signal;
		3792	$signal->wait;
		3793	}
		3794
		3795	sub tick {
2534	if ($Coro::current != $Coro::main) {	3796	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3797	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3798	unless ++$bug_warning > 10;
2537	return;	3799	return;
2538	}	3800	}
2539		3801
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3802	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3803
2546	$WAIT_FOR_TICK->broadcast;	3804	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3805	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3806	Coro::async_pool {
		3807	$Coro::current->{desc} = "runtime saver";
		3808	write_runtime_sync
		3809	or warn "ERROR: unable to write runtime file: $!";
		3810	};
		3811	}
2548		3812
2549	Event::sweep;	3813	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3814	$sig->send;
		3815	}
		3816	while (my $sig = shift @WAIT_FOR_TICK) {
		3817	$sig->send;
		3818	}
		3819
		3820	$LOAD = ($NOW - $TICK_START) / $TICK;
		3821	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3822
		3823	if (0) {
		3824	if ($NEXT_TICK) {
		3825	my $jitter = $TICK_START - $NEXT_TICK;
		3826	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3827	warn "jitter $JITTER\n";#d#
2551		3828	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3829	}
2561	);	3830	}
2562		3831
2563	{	3832	{
2564	BDB::max_poll_time $TICK * 0.1;	3833	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3834
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3835	BDB::min_parallel 8;
2574		3836	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3837	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3838
2590	unless ($DB_ENV) {	3839	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3840	$DB_ENV = BDB::db_env_create;
		3841	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3842	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3843	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3844	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3845	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3846
2593	cf::sync_job {	3847	cf::sync_job {
		3848	eval {
2594	BDB::db_env_open	3849	BDB::db_env_open
2595	$DB_ENV,	3850	$DB_ENV,
2596	$BDB_ENV_DIR,	3851	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3852	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3853	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3854	0666;
2600		3855
2601	cf::cleanup "$!" if $!;	3856	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3857	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3858
		3859	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3860	};
2605	}	3861	}
		3862
		3863	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3864	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3865	};
		3866	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3867	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3868	};
		3869	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3870	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3871	};
2606	}	3872	}
2607		3873
2608	{	3874	{
		3875	# configure IO::AIO
		3876
2609	IO::AIO::min_parallel 8;	3877	IO::AIO::min_parallel 8;
2610
2611	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3878	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3879	undef $AnyEvent::AIO::WATCHER;
2614	reentrant => 0,
2615	fd => IO::AIO::poll_fileno,
2616	poll => 'r',
2617	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,
2620	);
2621	}	3880	}
2622		3881
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3882	my $_log_backtrace;
2624	reentrant => 0,	3883
2625	data => WF_AUTOCANCEL,	3884	sub _log_backtrace {
2626	after => 1,	3885	my ($msg, @addr) = @_;
2627	interval => 10,	3886
2628	prio => 6, # keep it lowest so it acts like a watchdog	3887	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3888
2630	write_runtime	3889	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3890	if ($_log_backtrace < 2) {
		3891	++$_log_backtrace;
		3892	my $perl_bt = Carp::longmess $msg;
		3893	async {
		3894	$Coro::current->{desc} = "abt $msg";
		3895
		3896	my @bt = fork_call {
		3897	@addr = map { sprintf "%x", $_ } @addr;
		3898	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3899	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3900	or die "addr2line: $!";
		3901
		3902	my @funcs;
		3903	my @res = <$fh>;
		3904	chomp for @res;
		3905	while (@res) {
		3906	my ($func, $line) = splice @res, 0, 2, ();
		3907	push @funcs, "[$func] $line";
		3908	}
		3909
		3910	@funcs
		3911	};
		3912
		3913	LOG llevInfo, "[ABT] $perl_bt\n";
		3914	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3915	LOG llevInfo, "[ABT] $_\n" for @bt;
		3916	--$_log_backtrace;
		3917	};
		3918	} else {
		3919	LOG llevInfo, "[ABT] $msg\n";
		3920	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3921	}
2633	);	3922	}
		3923
		3924	# load additional modules
		3925	use cf::pod;
2634		3926
2635	END { cf::emergency_save }	3927	END { cf::emergency_save }
2636		3928
2637	1	3929	1
2638		3930

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines