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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
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;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
58		118
59	our %CFG;	119	our %CFG;
60		120
61	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
63		124
64	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	127	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		128
73	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
76	binmode STDOUT;	141	binmode STDOUT;
77	binmode STDERR;	142	binmode STDERR;
78		143
79	# read virtual server time, if available	144	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
84	}	149	}
85		150
86	mkdir cf::localdir;	151	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	152	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		153
93	our $EMERGENCY_POSITION;	154	our $EMERGENCY_POSITION;
94		155
95	sub cf::map::normalise;	156	sub cf::map::normalise;
96		157
…		…
107	=item $cf::RUNTIME	168	=item $cf::RUNTIME
108		169
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	170	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	171	every server tick.
111		172
112	=item $cf::LIBDIR	173	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		174	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		175	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		176
114	The perl library directory, where extensions and cf-specific modules can	177	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	178	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		179	unique-items directory, player file directory, random maps directory and
		180	database environment.
116		181
117	=item $cf::NOW	182	=item $cf::NOW
118		183
119	The time of the last (current) server tick.	184	The time of the last (current) server tick.
120		185
121	=item $cf::TICK	186	=item $cf::TICK
122		187
123	The interval between server ticks, in seconds.	188	The interval between server ticks, in seconds.
124		189
		190	=item $cf::LOADAVG
		191
		192	The current CPU load on the server (alpha-smoothed), as a value between 0
		193	(none) and 1 (overloaded), indicating how much time is spent on processing
		194	objects per tick. Healthy values are < 0.5.
		195
		196	=item $cf::LOAD
		197
		198	The raw value load value from the last tick.
		199
125	=item %cf::CFG	200	=item %cf::CFG
126		201
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	203	from wherever your confdir points to.
129		204
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		206
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	207	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	208	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	209	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.	210
		211	=item @cf::INVOKE_RESULTS
		212
		213	This array contains the results of the last C<invoke ()> call. When
		214	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		215	that call.
136		216
137	=back	217	=back
138		218
139	=cut	219	=cut
140		220
141	BEGIN {	221	BEGIN {
142	*CORE::GLOBAL::warn = sub {	222	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	223	my $msg = join "", @_;
144	utf8::encode $msg;
145		224
146	$msg .= "\n"	225	$msg .= "\n"
147	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
148		227
		228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		229
149	LOG llevError, $msg;	230	LOG llevError, $msg;
150	};	231	};
151	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
152		248
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	253	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		254	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	255	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		256
160	# we bless all objects into (empty) derived classes to force a method lookup	257	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	258	# within the Safe compartment.
162	for my $pkg (qw(	259	for my $pkg (qw(
163	cf::global cf::attachable	260	cf::global cf::attachable
164	cf::object cf::object::player	261	cf::object cf::object::player
165	cf::client cf::player	262	cf::client cf::player
166	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
167	cf::map cf::party cf::region	265	cf::party cf::region
168	)) {	266	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	268	}
172		269
173	$Event::DIED = sub {	270	$EV::DIED = sub {
174	warn "error in event callback: @_";	271	warn "error in event callback: @_";
175	};	272	};
		273
		274	#############################################################################
176		275
177	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
178		277
179	=over 4	278	=over 4
180		279
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	299	$d
201	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
202	}	301	}
203		302
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
207		304
208	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
209		306
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
218		308
219	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
220		310
221	=cut	311	=cut
222		312
223	sub to_json($) {	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	314
225	JSON::Syck::Dump $_[0]	315	sub encode_json($) { $json_coder->encode ($_[0]) }
		316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
226	}	330	}
227		331
228	=item cf::lock_wait $string	332	=item cf::lock_wait $string
229		333
230	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
231		335
232	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
233		337
234	Wait until the given lock is available and then acquires it and returns	338	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,	339	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	340	for example when the coroutine gets canceled), the lock is automatically
237	returned.	341	returned.
238		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
239	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
241		348
242	=cut	349	=item $locked = cf::lock_active $string
243		350
244	our %LOCK;	351	Return true if the lock is currently active, i.e. somebody has locked it.
		352
		353	=cut
		354
		355	our $LOCKS = new Coro::SemaphoreSet;
245		356
246	sub lock_wait($) {	357	sub lock_wait($) {
247	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	359	}
255		360
256	sub lock_acquire($) {	361	sub lock_acquire($) {
257	my ($key) = @_;	362	$LOCKS->guard ($_[0])
		363	}
258		364
259	# wait, to be sure we are not locked	365	sub lock_active($) {
260	lock_wait $key;	366	$LOCKS->count ($_[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	}	367	}
269		368
270	sub freeze_mainloop {	369	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
272		371
273	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	373	}
275	$WRITE_RUNTIME_WATCHER->start;	374
		375	=item cf::periodic $interval, $cb
		376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
276	};	433	}
277	$WRITE_RUNTIME_WATCHER->stop;	434	};
278	$TICK_WATCHER->stop;	435
279	$guard	436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
		439	my ($time, $pri, $name) = @_;
		440
		441	$time = $TICK * .6 if $time > $TICK * .6;
		442	my $sig = new Coro::Signal;
		443
		444	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		445	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		446	$SLOT_QUEUE->ready;
		447	$sig->wait;
280	}	448	}
281		449
282	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
283		451
284	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		457
290	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
291		459
292	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
293		461
294	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
297		466
298	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
301	fast or be very important.	470	fast or be very important.
…		…
304		473
305	sub sync_job(&) {	474	sub sync_job(&) {
306	my ($job) = @_;	475	my ($job) = @_;
307		476
308	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
		478	my $time = EV::time;
		479
309	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
311		482
312	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	484
314	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
315		486
316	my $busy = 1;	487	my $busy = 1;
317	my @res;	488	my @res;
318		489
319	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	492	@res = eval { $job->() };
321	warn $@ if $@;	493	warn $@ if $@;
322	undef $busy;	494	undef $busy;
323	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
324		496
325	while ($busy) {	497	while ($busy) {
326	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
327	}	502	}
		503	}
		504
		505	my $time = EV::time - $time;
		506
		507	$TICK_START += $time; # do not account sync jobs to server load
328		508
329	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
330	} else {	510	} else {
331	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
332		512
…		…
352	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
353		533
354	$coro	534	$coro
355	}	535	}
356		536
357	sub write_runtime {	537	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		538
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	Executes the given code block with the given arguments in a seperate
361	or return;	540	process, returning the results. Everything must be serialisable with
		541	Coro::Storable. May, of course, block. Note that the executed sub may
		542	never block itself or use any form of event handling.
362		543
363	my $value = $cf::RUNTIME + 90 + 10;	544	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		545
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	546	sub fork_call(&@) {
368	and return;	547	my ($cb, @args) = @_;
369		548
370	# always fsync - this file is important	549	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	550	# otherwise perl prematurely frees the stuff :/
372	and return;	551	# TODO: investigate and fix (likely this will be rather laborious)
373		552
374	close $fh	553	my @res = Coro::Util::fork_eval {
375	or return;	554	reset_signals;
		555	&$cb
		556	}, @args;
376		557
377	aio_rename "$runtime~", $runtime	558	wantarray ? @res : $res[-1]
378	and return;	559	}
379		560
		561	=item $coin = coin_from_name $name
		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
		586	}
		587
		588	=item $value = cf::db_get $family => $key
		589
		590	Returns a single value from the environment database.
		591
		592	=item cf::db_put $family => $key => $value
		593
		594	Stores the given C<$value> in the family. It can currently store binary
		595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
		602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
		615	};
		616	cf::cleanup "db_open(db): $@" if $@;
		617
		618	$db
		619	}
		620
		621	our $DB;
		622
		623	sub db_init {
		624	cf::sync_job {
		625	$DB ||= db_table "db";
		626	};
		627	}
		628
		629	sub db_get($$) {
		630	my $key = "$_[0]/$_[1]";
		631
		632	cf::sync_job {
		633	BDB::db_get $DB, undef, $key, my $data;
		634
		635	$! ? ()
		636	: $data
380	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		641	BDB::dbreq_pri 4;
		642	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		643	}
		644
		645	=item cf::cache $id => [$paths...], $processversion => $process
		646
		647	Generic caching function that returns the value of the resource $id,
		648	caching and regenerating as required.
		649
		650	This function can block.
		651
		652	=cut
		653
		654	sub cache {
		655	my ($id, $src, $processversion, $process) = @_;
		656
		657	my $meta =
		658	join "\x00",
		659	$processversion,
		660	map {
		661	aio_stat $_
		662	and Carp::croak "$_: $!";
		663
		664	($_, (stat _)[7,9])
		665	} @$src;
		666
		667	my $dbmeta = db_get cache => "$id/meta";
		668	if ($dbmeta ne $meta) {
		669	# changed, we may need to process
		670
		671	my @data;
		672	my $md5;
		673
		674	for (0 .. $#$src) {
		675	0 <= aio_load $src->[$_], $data[$_]
		676	or Carp::croak "$src->[$_]: $!";
		677	}
		678
		679	# if processing is expensive, check
		680	# checksum first
		681	if (1) {
		682	$md5 =
		683	join "\x00",
		684	$processversion,
		685	map {
		686	cf::cede_to_tick;
		687	($src->[$_], Digest::MD5::md5_hex $data[$_])
		688	} 0.. $#$src;
		689
		690
		691	my $dbmd5 = db_get cache => "$id/md5";
		692	if ($dbmd5 eq $md5) {
		693	db_put cache => "$id/meta", $meta;
		694
		695	return db_get cache => "$id/data";
		696	}
		697	}
		698
		699	my $t1 = Time::HiRes::time;
		700	my $data = $process->(\@data);
		701	my $t2 = Time::HiRes::time;
		702
		703	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		704
		705	db_put cache => "$id/data", $data;
		706	db_put cache => "$id/md5" , $md5;
		707	db_put cache => "$id/meta", $meta;
		708
		709	return $data;
		710	}
		711
		712	db_get cache => "$id/data"
		713	}
		714
		715	=item cf::datalog type => key => value, ...
		716
		717	Log a datalog packet of the given type with the given key-value pairs.
		718
		719	=cut
		720
		721	sub datalog($@) {
		722	my ($type, %kv) = @_;
		723	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	724	}
382		725
383	=back	726	=back
384		727
385	=cut	728	=cut
386		729
387	#############################################################################	730	#############################################################################
388		731
389	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
390		733
391	Many objects in crossfire are so-called attachable objects. That means you can	734	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")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
394		737
395	In the following description, CLASS can be any of C<global>, C<object>	738	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	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	740	Deliantra).
398		741
399	=over 4	742	=over 4
400		743
401	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
402		745
…		…
446	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
447		790
448	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
450		793
451	Some classes such as crossfire maps and objects can specify attachments	794	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.	795	that are attached at load/instantiate time, thus the need for a name.
453		796
454	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
455		798
456	=over 4	799	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	908	$registry = $CB_TYPE[$object_type] ||= [];
566		909
567	} elsif ($type eq "subtype") {	910	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	911	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	912	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	913	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		914
572	} elsif ($type eq "package") {	915	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	916	my $pkg = shift @arg;
574		917
575	while (my ($name, $id) = each %cb_id) {	918	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	947	_attach $registry, $klass, @attach;
605	}	948	}
606		949
607	$obj->{$name} = \%arg;	950	$obj->{$name} = \%arg;
608	} else {	951	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	952	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	953	}
611		954
612	$obj->{_attachment}{$name} = undef;	955	$obj->{_attachment}{$name} = undef;
613	}	956	}
614		957
…		…
616	if (ref $_[0]) {	959	if (ref $_[0]) {
617	_object_attach @_;	960	_object_attach @_;
618	} else {	961	} else {
619	_attach shift->_attach_registry, @_;	962	_attach shift->_attach_registry, @_;
620	}	963	}
		964	_recalc_want;
621	};	965	};
622		966
623	# all those should be optimised	967	# all those should be optimised
624	sub cf::attachable::detach {	968	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	969	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	972	delete $obj->{_attachment}{$name};
629	reattach ($obj);	973	reattach ($obj);
630	} else {	974	} else {
631	Carp::croak "cannot, currently, detach class attachments";	975	Carp::croak "cannot, currently, detach class attachments";
632	}	976	}
		977	_recalc_want;
633	};	978	};
634		979
635	sub cf::attachable::attached {	980	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	981	my ($obj, $name) = @_;
637		982
…		…
652	";	997	";
653	die if $@;	998	die if $@;
654	}	999	}
655		1000
656	our $override;	1001	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1002	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1003
659	sub override {	1004	sub override {
660	$override = 1;	1005	$override = 1;
661	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
662	}	1007	}
663		1008
664	sub do_invoke {	1009	sub do_invoke {
665	my $event = shift;	1010	my $event = shift;
666	my $callbacks = shift;	1011	my $callbacks = shift;
667		1012
668	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
669		1014
670	local $override;	1015	local $override;
671		1016
672	for (@$callbacks) {	1017	for (@$callbacks) {
673	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
682	}	1027	}
683		1028
684	0	1029	0
685	}	1030	}
686		1031
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1033
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1035
691	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
692		1037
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1038	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	1039	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1041
697	=back	1042	=back
698		1043
699	=cut	1044	=cut
700		1045
701	#############################################################################	1046	#############################################################################
702	# object support	1047	# object support
		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
		1082	sub _can_merge {
		1083	my ($ob1, $ob2) = @_;
		1084
		1085	++$SLOW_MERGES;#d#
		1086
		1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
		1089	}
703		1090
704	sub reattach {	1091	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1093	my ($obj) = @_;
707		1094
		1095	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1097
710	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
711		1099
712	@$registry = ();	1100	@$registry = ();
713		1101
…		…
728	cf::attachable->attach (	1116	cf::attachable->attach (
729	prio => -1000000,	1117	prio => -1000000,
730	on_instantiate => sub {	1118	on_instantiate => sub {
731	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
732		1120
733	$data = from_json $data;	1121	$data = decode_json $data;
734		1122
735	for (@$data) {	1123	for (@$data) {
736	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
737		1125
738	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1142	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
756		1144
757	sync_job {	1145	sync_job {
758	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
761		1150
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1155	aio_close $fh;
767		1156
768	if (@$objs) {	1157	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1163	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
776	}	1165	}
777	} else {	1166	} else {
778	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
779	}	1168	}
780		1169
781	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1174	} else {
783	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
784	}	1176	}
785	} else {	1177	} else {
786	aio_unlink $filename;	1178	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
788	}	1180	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1181	};
796	}	1182	}
797		1183
798	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
800		1186
…		…
805		1191
806	sub object_thawer_load {	1192	sub object_thawer_load {
807	my ($filename) = @_;	1193	my ($filename) = @_;
808		1194
809	my ($data, $av);	1195	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1196
814	(aio_load $filename, $data) >= 0	1197	(aio_load $filename, $data) >= 0
815	or return;	1198	or return;
816		1199
817	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
819	or return;	1202	or return;
		1203
820	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
821	}	1206	}
822		1207
		1208	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1210	$decname, length $data, scalar @{$av || []};
		1211
825	return ($data, $av);	1212	($data, $av)
826	}	1213	}
		1214
		1215	=head2 COMMAND CALLBACKS
		1216
		1217	=over 4
		1218
		1219	=cut
827		1220
828	#############################################################################	1221	#############################################################################
829	# command handling &c	1222	# command handling &c
830		1223
831	=item cf::register_command $name => \&callback($ob,$args);	1224	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1237	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1238	}
846		1239
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1240	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1241
849	Register a callbackf ro execution when the client sends an extcmd packet.	1242	Register a callback for execution when the client sends an (synchronous)
		1243	extcmd packet. Ext commands will be processed in the order they are
		1244	received by the server, like other user commands. The first argument is
		1245	the logged-in player. Ext commands can only be processed after a player
		1246	has logged in successfully.
850		1247
851	If the callback returns something, it is sent back as if reply was being	1248	If the callback returns something, it is sent back as if reply was being
852	called.	1249	called.
853		1250
		1251	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1252
		1253	Register a callback for execution when the client sends an (asynchronous)
		1254	exticmd packet. Exti commands are processed by the server as soon as they
		1255	are received, i.e. out of order w.r.t. other commands. The first argument
		1256	is a client socket. Exti commands can be received anytime, even before
		1257	log-in.
		1258
		1259	If the callback returns something, it is sent back as if reply was being
		1260	called.
		1261
854	=cut	1262	=cut
855		1263
856	sub register_extcmd {	1264	sub register_extcmd {
857	my ($name, $cb) = @_;	1265	my ($name, $cb) = @_;
858		1266
859	$EXTCMD{$name} = $cb;	1267	$EXTCMD{$name} = $cb;
860	}	1268	}
		1269
		1270	sub register_exticmd {
		1271	my ($name, $cb) = @_;
		1272
		1273	$EXTICMD{$name} = $cb;
		1274	}
		1275
		1276	use File::Glob ();
861		1277
862	cf::player->attach (	1278	cf::player->attach (
863	on_command => sub {	1279	on_command => sub {
864	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
865		1281
…		…
873	cf::override;	1289	cf::override;
874	},	1290	},
875	on_extcmd => sub {	1291	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
877		1293
878	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1295
880	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
886	} else {	1311	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1313	}
889		1314
890	cf::override;	1315	cf::override;
891	},	1316	},
892	);	1317	);
893		1318
		1319	# "readahead" all extensions
894	sub load_extension {	1320	sub cache_extensions {
895	my ($path) = @_;	1321	my $grp = IO::AIO::aio_group;
896		1322
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
898	my $base = $1;	1324	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1325	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	}	1326	}
922	die $@;
923	}	1327	};
924		1328
925	push @EXTS, $pkg;	1329	$grp
926	}	1330	}
927		1331
928	sub load_extensions {	1332	sub load_extensions {
		1333	cf::sync_job {
		1334	my %todo;
		1335
929	for my $ext (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1337	next unless -r $path;
931	eval {	1338
932	load_extension $ext;	1339	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1340	my $base = $1;
		1341	my $pkg = $1;
		1342	$pkg =~ s/[^[:word:]]/_/g;
		1343	$pkg = "ext::$pkg";
		1344
		1345	open my $fh, "<:utf8", $path
		1346	or die "$path: $!";
		1347
		1348	my $source = do { local $/; <$fh> };
		1349
		1350	my %ext = (
		1351	path => $path,
		1352	base => $base,
		1353	pkg => $pkg,
		1354	);
		1355
		1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1358
		1359	$ext{source} =
		1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1361	. "#line 1 \"$path\"\n{\n"
		1362	. $source
		1363	. "\n};\n1";
		1364
		1365	$todo{$base} = \%ext;
		1366	}
		1367
		1368	my %done;
		1369	while (%todo) {
		1370	my $progress;
		1371
		1372	while (my ($k, $v) = each %todo) {
		1373	for (split /,\s*/, $v->{meta}{depends}) {
		1374	goto skip
		1375	unless exists $done{$_};
		1376	}
		1377
		1378	warn "... loading '$k' into '$v->{pkg}'\n";
		1379
		1380	unless (eval $v->{source}) {
		1381	my $msg = $@ ? "$v->{path}: $@\n"
		1382	: "$v->{base}: extension inactive.\n";
		1383
		1384	if (exists $v->{meta}{mandatory}) {
		1385	warn $msg;
		1386	cf::cleanup "mandatory extension failed to load, exiting.";
		1387	}
		1388
		1389	warn $msg;
		1390	}
		1391
		1392	$done{$k} = delete $todo{$k};
		1393	push @EXTS, $v->{pkg};
		1394	$progress = 1;
933	1	1395	}
934	} or warn "$ext not loaded: $@";	1396
		1397	skip:
		1398	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1399	unless $progress;
		1400	}
935	}	1401	};
936	}	1402	}
937		1403
938	#############################################################################	1404	#############################################################################
939		1405
		1406	=back
		1407
940	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
941		1409
942	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
943		1411
944	=cut	1412	=cut
945		1413
946	package cf::player;	1414	package cf::player;
947		1415
…		…
949		1417
950	=head3 cf::player	1418	=head3 cf::player
951		1419
952	=over 4	1420	=over 4
953		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
		1435
954	=item cf::player::find $login	1436	=item cf::player::find $login
955		1437
956	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
957		1439
958	=cut	1440	=cut
959		1441
960	sub playerdir($) {	1442	sub playerdir($) {
961	cf::localdir	1443	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1444	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1445	}
967		1446
968	sub path($) {	1447	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1448	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1449
971	(playerdir $login) . "/$login.pl"	1450	(playerdir $login) . "/playerdata"
972	}	1451	}
973		1452
974	sub find_active($) {	1453	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1454	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1455	and $cf::PLAYER{$_[0]}->active
…		…
979		1458
980	sub exists($) {	1459	sub exists($) {
981	my ($login) = @_;	1460	my ($login) = @_;
982		1461
983	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
985	}	1464	}
986		1465
987	sub find($) {	1466	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1468	my $login = $_[0];
990		1469
991	my $guard = cf::lock_acquire "user_find:$login";	1470	my $guard = cf::lock_acquire "user_find:$login";
992		1471
993	$cf::PLAYER{$_[0]} || do {	1472	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1473	# rename old playerfiles to new ones
		1474	#TODO: remove when no longer required
		1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1478	aio_unlink +(playerdir $login) . "/$login.pl";
		1479
		1480	my $f = new_from_file cf::object::thawer path $login
995	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
997	}	1489	}
998	}	1490	}
999	}	1491	}
1000		1492
…		…
1009	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1010		1502
1011	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1013		1505
		1506	cf::get_slot 0.01;
		1507
1014	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1015	Coro::cede;	1509	cf::cede_to_tick;
1016	}	1510	}
1017		1511
1018	sub new($) {	1512	sub new($) {
1019	my ($login) = @_;	1513	my ($login) = @_;
1020		1514
…		…
1026	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1027		1521
1028	$self	1522	$self
1029	}	1523	}
1030		1524
		1525	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1526
		1527	=cut
		1528
		1529	sub send_msg {
		1530	my $ns = shift->ns
		1531	or return;
		1532	$ns->send_msg (@_);
		1533	}
		1534
1031	=item $pl->quit_character	1535	=item $pl->quit_character
1032		1536
1033	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1035		1539
1036	=cut	1540	=cut
1037		1541
1038	sub quit_character {	1542	sub quit_character {
1039	my ($pl) = @_;	1543	my ($pl) = @_;
1040		1544
		1545	my $name = $pl->ob->name;
		1546
1041	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1549
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1048		1556
1049	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1559	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1560	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1561	$pl->destroy;
		1562
		1563	my $prefix = qr<^~\Q$name\E/>;
		1564
		1565	# nuke player maps
		1566	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1567
1054	IO::AIO::aio_rmtree $temp;	1568	IO::AIO::aio_rmtree $temp;
		1569	}
		1570
		1571	=item $pl->kick
		1572
		1573	Kicks a player out of the game. This destroys the connection.
		1574
		1575	=cut
		1576
		1577	sub kick {
		1578	my ($pl, $kicker) = @_;
		1579
		1580	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1581	$pl->killer ("kicked");
		1582	$pl->ns->destroy;
1055	}	1583	}
1056		1584
1057	=item cf::player::list_logins	1585	=item cf::player::list_logins
1058		1586
1059	Returns am arrayref of all valid playernames in the system, can take a	1587	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1588	while and may block, so not sync_job-capable, ever.
1061		1589
1062	=cut	1590	=cut
1063		1591
1064	sub list_logins {	1592	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1593	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1594	or return [];
1067		1595
1068	my @logins;	1596	my @logins;
1069		1597
1070	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1074		1608
1075	utf8::decode $login;	1609	utf8::decode $login;
1076	push @logins, $login;	1610	push @logins, $login;
1077	}	1611	}
1078		1612
…		…
1105	}	1639	}
1106		1640
1107	\@paths	1641	\@paths
1108	}	1642	}
1109		1643
		1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1645
		1646	Expand deliantra pod fragments into protocol xml.
		1647
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1111		1649
1112	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1113		1651
1114	=cut	1652	=cut
1115		1653
1116	sub ext_reply($$$%) {	1654	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1118		1656
1119	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1658	}
1123		1659
1124	package cf;	1660	=item $player->ext_msg ($type, @msg)
		1661
		1662	Sends an ext event to the client.
		1663
		1664	=cut
		1665
		1666	sub ext_msg($$@) {
		1667	my ($self, $type, @msg) = @_;
		1668
		1669	$self->ns->ext_msg ($type, @msg);
		1670	}
		1671
		1672	=head3 cf::region
		1673
		1674	=over 4
		1675
		1676	=cut
		1677
		1678	package cf::region;
		1679
		1680	=item cf::region::find_by_path $path
		1681
		1682	Tries to decuce the likely region for a map knowing only its path.
		1683
		1684	=cut
		1685
		1686	sub find_by_path($) {
		1687	my ($path) = @_;
		1688
		1689	my ($match, $specificity);
		1690
		1691	for my $region (list) {
		1692	if ($region->{match} && $path =~ $region->{match}) {
		1693	($match, $specificity) = ($region, $region->specificity)
		1694	if $region->specificity > $specificity;
		1695	}
		1696	}
		1697
		1698	$match
		1699	}
1125		1700
1126	=back	1701	=back
1127
1128		1702
1129	=head3 cf::map	1703	=head3 cf::map
1130		1704
1131	=over 4	1705	=over 4
1132		1706
…		…
1144	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1146		1720
1147	sub generate_random_map {	1721	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1149	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1727	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1764	my ($self, $merge) = @_;
1188		1765
1189	# we have to keep some variables in memory intact	1766	# we have to keep some variables in memory intact
1190	local $self->{path};	1767	local $self->{path};
1191	local $self->{load_path};	1768	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1769
1195	$self->SUPER::thawer_merge ($merge);	1770	$self->SUPER::thawer_merge ($merge);
1196	}	1771	}
1197		1772
1198	sub normalise {	1773	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1246	return $self;	1821	return $self;
1247	}	1822	}
1248	}	1823	}
1249		1824
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1826	()
1252	}	1827	}
1253		1828
1254	sub init {	1829	sub init {
1255	my ($self) = @_;	1830	my ($self) = @_;
…		…
1270		1845
1271	# the original (read-only) location	1846	# the original (read-only) location
1272	sub load_path {	1847	sub load_path {
1273	my ($self) = @_;	1848	my ($self) = @_;
1274		1849
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1850	"$MAPDIR/$self->{path}.map"
1276	}	1851	}
1277		1852
1278	# the temporary/swap location	1853	# the temporary/swap location
1279	sub save_path {	1854	sub save_path {
1280	my ($self) = @_;	1855	my ($self) = @_;
1281		1856
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1858	"$TMPDIR/$path.map"
1284	}	1859	}
1285		1860
1286	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1287	sub uniq_path {	1862	sub uniq_path {
1288	my ($self) = @_;	1863	my ($self) = @_;
1289		1864
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1866	"$UNIQUEDIR/$path"
1292	}	1867	}
1293		1868
1294	# and all this just because we cannot iterate over	1869	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	1870	my ($self) = @_;
1298		1871
1299	$_->change_map_light ($change)	1872	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	1873
		1874	$self->do_decay_objects;
1301	}	1875	}
1302		1876
1303	sub unlink_save {	1877	sub unlink_save {
1304	my ($self) = @_;	1878	my ($self) = @_;
1305		1879
1306	utf8::encode (my $save = $self->save_path);	1880	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1881	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1882	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	}	1883	}
1315		1884
1316	sub load_header_from($) {	1885	sub load_header_from($) {
1317	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1318		1887
1319	utf8::encode $path;	1888	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1890	or return;
		1891
		1892	$self->_load_header ($f)
		1893	or return;
		1894
		1895	local $MAP_LOADING{$self->{path}} = $self;
		1896	$f->resolve_delayed_derefs;
1325		1897
1326	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1327		1899
1328	1	1900	1
1329	}	1901	}
…		…
1368	$self->load_header_orig	1940	$self->load_header_orig
1369	or return;	1941	or return;
1370	$self->prepare_orig;	1942	$self->prepare_orig;
1371	}	1943	}
1372		1944
		1945	$self->{deny_reset} = 1
		1946	if $self->no_reset;
		1947
		1948	$self->default_region (cf::region::find_by_path $self->{path})
		1949	unless $self->default_region;
		1950
1373	1	1951	1
1374	}	1952	}
1375		1953
1376	sub find;	1954	sub find;
1377	sub find {	1955	sub find {
1378	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1379		1957
1380	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1381		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1383		1962
1384	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1387	or return;	1965	or return;
1388		1966
1389	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1390		1968
1391	$map->load_header	1969	$map->load_header
1392	or return;	1970	or return;
1393		1971
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1397	$map->reset;	1977	$map->reset;
1398	undef $guard;
1399	return find $path;	1978	return find $path;
1400	}	1979	}
1401		1980
1402	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1403	}	1982	}
…		…
1410	my ($self) = @_;	1989	my ($self) = @_;
1411		1990
1412	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1413		1992
1414	my $path = $self->{path};	1993	my $path = $self->{path};
		1994
		1995	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1416		1997
		1998	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2000
1419	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1420		2002
1421	$self->alloc;	2003	$self->alloc;
1422		2004
1423	$self->pre_load;	2005	$self->pre_load;
		2006	cf::cede_to_tick;
1424		2007
1425	$self->_load_objects ($self->{load_path}, 1)	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
		2010	$self->_load_objects ($f)
1426	or return;	2011	or return;
1427		2012
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1429	if delete $self->{load_original};	2014	if delete $self->{load_original};
1430		2015
1431	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2017	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2020	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1436	}	2024	}
1437	}	2025	}
1438		2026
1439	Coro::cede;	2027	$f->resolve_delayed_derefs;
1440		2028
		2029	cf::cede_to_tick;
1441	# now do the right thing for maps	2030	# now do the right thing for maps
1442	$self->link_multipart_objects;	2031	$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)	2032	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2033	unless $self->difficulty;
1452	Coro::cede;	2034	cf::cede_to_tick;
		2035
		2036	unless ($self->{deny_activate}) {
		2037	$self->decay_objects;
		2038	$self->fix_auto_apply;
		2039	$self->update_buttons;
		2040	cf::cede_to_tick;
1453	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2048	}
1455		2049
1456	$self->post_load;	2050	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2051	}
1460		2052
1461	sub customise_for {	2053	sub customise_for {
1462	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1463		2055
1464	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2057	if $self->per_player;
1466		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1467	$self	2062	$self
1468	}	2063	}
1469		2064
1470	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2066	sub load_neighbours {
1472	my ($map) = @_;	2067	my ($map) = @_;
1473		2068
1474	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1475		2070
1476	for (0 .. 3) {	2071	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1478	or next;	2073	or next;
1479	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1480	or next;	2075	or next;
1481	$neigh->load;	2076	$neigh->load;
1482		2077
		2078	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2081	}
1486		2082
1487	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1489	or next;	2086	or next;
1490	$neigh->load;	2087	$neigh->load;
1491	}	2088	}
1492	}	2089	}
1493		2090
…		…
1498	}	2095	}
1499		2096
1500	sub do_load_sync {	2097	sub do_load_sync {
1501	my ($map) = @_;	2098	my ($map) = @_;
1502		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1503	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1504	}	2104	}
1505		2105
1506	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1508		2108
1509	sub find_async {	2109	sub find_async {
1510	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1511		2111
1512	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1513		2113
1514	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2116	}
1517		2117
1518	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1519	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1520	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2125	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2126	$map->load if $v;
		2127	}
1525		2128
1526	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1527	}	2130	}
1528	}	2131	}
1529	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1530	};	2133	};
1531	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2137	}
1535		2138
1536	sub save {	2139	sub save {
1537	my ($self) = @_;	2140	my ($self) = @_;
1538		2141
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2143
1541	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1542		2145
1543	return unless $self->dirty;	2146	return unless $self->dirty;
1544		2147
…		…
1550	return if $self->{deny_save};	2153	return if $self->{deny_save};
1551		2154
1552	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1553		2156
1554	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1556	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1557		2163
1558	if ($uniq) {	2164	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2167	} else {
…		…
1567	my ($self) = @_;	2173	my ($self) = @_;
1568		2174
1569	# save first because save cedes	2175	# save first because save cedes
1570	$self->save;	2176	$self->save;
1571		2177
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2179
1574	return if $self->players;	2180	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2182	return if $self->{deny_save};
1577		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2188	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2189	}
1581		2190
1582	sub reset_at {	2191	sub reset_at {
1583	my ($self) = @_;	2192	my ($self) = @_;
1584		2193
1585	# TODO: safety, remove and allow resettable per-player maps	2194	# 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};	2195	return 1e99 if $self->{deny_reset};
1588		2196
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2199
…		…
1602	my ($self) = @_;	2210	my ($self) = @_;
1603		2211
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2213
1606	return if $self->players;	2214	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2215
1609	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
		2217
		2218	$self->in_memory (cf::MAP_SWAPPED);
		2219
		2220	# need to save uniques path
		2221	unless ($self->{deny_save}) {
		2222	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2223
		2224	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2225	if $uniq;
		2226	}
1610		2227
1611	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1612		2229
1613	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2232	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2233
1618	$self->unlink_save;	2234	$self->unlink_save;
1619	$self->destroy;	2235	$self->destroy;
1620	}	2236	}
1621		2237
1622	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1623		2239
1624	sub nuke {	2240	sub nuke {
1625	my ($self) = @_;	2241	my ($self) = @_;
1626		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1627	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1628		2247
1629	$self->unlink_save;	2248	$self->unlink_save;
1630		2249
1631	bless $self, "cf::map";	2250	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2255
1637	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1638		2258
1639	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1640	}	2296	}
1641		2297
1642	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1643		2299
1644	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2301	instantiated unique items. May block.
1646		2302
1647	=cut	2303	=cut
1648		2304
1649	sub unique_maps() {	2305	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1651	or return;	2307	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2308	utf8::decode $_;
1657	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2311	? ()
1660	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2314	]
1662
1663	\@paths
1664	}	2315	}
1665
1666	package cf;
1667		2316
1668	=back	2317	=back
1669		2318
1670	=head3 cf::object	2319	=head3 cf::object
1671		2320
…		…
1675		2324
1676	=over 4	2325	=over 4
1677		2326
1678	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1679		2328
1680	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1681		2331
1682	=cut	2332	=cut
1683		2333
1684	sub inv_recursive_;	2334	sub inv_recursive_;
1685	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1688		2338
1689	sub inv_recursive {	2339	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1691	}	2341	}
1692		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1693	package cf;	2371	package cf;
1694		2372
1695	=back	2373	=back
1696		2374
1697	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	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	2382	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1706		2384
1707	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1708		2400
1709	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2402	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1714		2406
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2408
1717	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1719	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1722	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1723	}	2434	}
1724		2435
1725	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1726		2437
1727	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1740		2451
1741	=item $player_object->enter_link	2452	=item $player_object->enter_link
1742		2453
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2455
1745	The player should be reasonably safe there for short amounts of time. You	2456	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.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1747		2460
1748	Will never block.	2461	Will never block.
1749		2462
1750	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1751		2464
…		…
1774	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1775		2488
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2490
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1780		2493
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2495	}
1783		2496
1784	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1786		2501
1787	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1788		2503
1789	unless ($map) {	2504	unless ($map) {
1790	# restore original map position	2505	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1807		2522
1808	$map->load;	2523	$map->load;
1809	$map->load_diag;	2524	$map->load_neighbours;
1810		2525
1811	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1812	$self->activate_recursive;	2528	$self->activate_recursive;
		2529
		2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1814	}	2532	}
1815		2533
1816	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2535
1820	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1824	};	2540	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2541
1830	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2543	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		2544
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1851		2548
1852	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2554
1855	$self->enter_link;	2555	$self->enter_link;
1856		2556
1857	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1858	my $map = eval {	2579	my $map = eval {
1859	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1861	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2595	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1866	})->prio (1);	2603	})->prio (1);
1867	}	2604	}
1868		2605
1869	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1870		2607
…		…
1890	}	2627	}
1891		2628
1892	sub prepare_random_map {	2629	sub prepare_random_map {
1893	my ($exit) = @_;	2630	my ($exit) = @_;
1894		2631
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2634	# that depends on the exit object
1900		2635
1901	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2638	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1908	}	2645	}
1909		2646
1910	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1911		2648
1912	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1915		2652
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2655	undef $fh;
1919	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1920		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1923	}	2664	}
1924	}	2665	}
1925		2666
1926	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1928		2669
1929	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1930		2671
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;	2672	$self->enter_link;
1941		2673
1942	(async {	2674	(async {
1943	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1944	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
1945	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1946		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1947	1;	2698	1
1948	}) {	2699	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2704
1954	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2706	$self->leave_link;
1956	}	2707	}
1957	})->prio (1);	2708	})->prio (1);
…		…
1970		2721
1971	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1973		2724
1974	utf8::encode $text;	2725	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2727	}
1977		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
		2833
		2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
		2843	} elsif (ref $channel) {
		2844	# send meta info to client, if not yet sent
		2845	unless (exists $self->{channel}{$channel->{id}}) {
		2846	$self->{channel}{$channel->{id}} = $channel;
		2847	$self->ext_msg (channel_info => $channel);
		2848	}
		2849
		2850	$channel = $channel->{id};
		2851	}
		2852
		2853	return unless @extra || length $msg;
		2854
		2855	# default colour, mask it out
		2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2857	if $color & cf::NDI_DEF;
		2858
		2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
		2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2862	);
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if (8192 < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->ext_msg ($type, @msg)
		2878
		2879	Sends an ext event to the client.
		2880
		2881	=cut
		2882
		2883	sub cf::client::ext_msg($$@) {
		2884	my ($self, $type, @msg) = @_;
		2885
		2886	if ($self->extcmd == 2) {
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
		2889	push @msg, msgtype => "event_$type";
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2909	}
		2910	}
1978		2911
1979	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
1980		2913
1981	Queues a query to the client, calling the given callback with	2914	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>,	2915	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>.	2916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2917
1985	Queries can fail, so check the return code. Or don't, as queries will become	2918	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2919	become reliable at some point in the future.
1987		2920
1988	=cut	2921	=cut
1989		2922
1990	sub cf::client::query {	2923	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2932	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2934
2002	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
2004	}	2939	}
2005		2940
2006	cf::client->attach (	2941	cf::client->attach (
		2942	on_connect => sub {
		2943	my ($ns) = @_;
		2944
		2945	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2946	},
2007	on_reply => sub {	2947	on_reply => sub {
2008	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
2009		2949
2010	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
2011	# get handled first	2951	# get handled first
…		…
2023	} else {	2963	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2965	}
2026	}	2966	}
2027	},	2967	},
		2968	on_exticmd => sub {
		2969	my ($ns, $buf) = @_;
		2970
		2971	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2972
		2973	if (ref $msg) {
		2974	my ($type, $reply, @payload) =
		2975	"ARRAY" eq ref $msg
		2976	? @$msg
		2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2978
		2979	my @reply;
		2980
		2981	if (my $cb = $EXTICMD{$type}) {
		2982	@reply = $cb->($ns, @payload);
		2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
		2988	} else {
		2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2990	}
		2991
		2992	cf::override;
		2993	},
2028	);	2994	);
2029		2995
2030	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
2031		2997
2032	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2075		3041
2076	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2077		3043
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3044	$safe->permit_only (Opcode::opset qw(
		3045	:base_core :base_mem :base_orig :base_math
		3046	grepstart grepwhile mapstart mapwhile
		3047	sort time
		3048	));
2079		3049
2080	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2081		3051
2082	=pod	3052	=pod
2083		3053
2084	The following fucntions and emthods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2085		3055
2086	cf::object contr pay_amount pay_player map	3056	cf::object
		3057	contr pay_amount pay_player map x y force_find force_add destroy
		3058	insert remove name archname title slaying race decrease split
		3059	value
		3060
2087	cf::object::player player	3061	cf::object::player
2088	cf::player peaceful	3062	player
2089	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2090		3069
2091	=cut	3070	=cut
2092		3071
2093	for (	3072	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2098	) {	3079	) {
2099	no strict 'refs';	3080	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2118	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2119		3100
2120	my $qcode = $code;	3101	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2123		3106
2124	local $_;	3107	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2126		3109
2127	my $eval =	3110	my $eval =
…		…
2170	=back	3153	=back
2171		3154
2172	=cut	3155	=cut
2173		3156
2174	#############################################################################	3157	#############################################################################
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]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3158	# the server's init and main functions
2284		3159
		3160	sub load_facedata($) {
		3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
		3169	warn "loading facedata from $path\n";
		3170
		3171	my $facedata;
		3172	0 < aio_load $path, $facedata
		3173	or die "$path: $!";
		3174
		3175	$facedata = Coro::Storable::thaw $facedata;
		3176
		3177	$facedata->{version} == 2
		3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
		3187	{
		3188	my $faces = $facedata->{faceinfo};
		3189
		3190	while (my ($face, $info) = each %$faces) {
		3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
		3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
		3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	while (my ($face, $info) = each %$faces) {
		3202	next unless $info->{smooth};
		3203
		3204	my $idx = cf::face::find $face
		3205	or next;
		3206
		3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3210	} else {
		3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3212	}
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
		3218	{
		3219	my $anims = $facedata->{animinfo};
		3220
		3221	while (my ($anim, $info) = each %$anims) {
		3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	cf::anim::invalidate_all; # d'oh
		3227	}
		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
		3264	1
		3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
2285	sub load_resources {	3295	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3311	or die "unable to load regions file\n";
2288	}
2289		3312
2290	sub cfg_load {	3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
		3324	sub reload_archetypes {
		3325	load_resource_file "$DATADIR/archetypes"
		3326	or die "unable to load archetypes\n";
		3327	}
		3328
		3329	sub reload_treasures {
		3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
		3332	}
		3333
		3334	sub reload_resources {
		3335	warn "reloading resource files...\n";
		3336
		3337	reload_facedata;
		3338	reload_archetypes;
		3339	reload_regions;
		3340	reload_treasures;
		3341
		3342	warn "finished reloading resource files\n";
		3343	}
		3344
		3345	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3347	or return;
2293		3348
2294	local $/;	3349	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2296		3351
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3353
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$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};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3361	};
2307	warn $@ if $@;	3362	warn $@ if $@;
2308	}	3363	}
2309	}	3364	}
2310		3365
2311	sub init {	3366	sub pidfile() {
2312	load_resources;	3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
2313	}	3383	}
2314		3384
2315	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2316	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3403	(async {
2320	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2322	};	3407	};
2323		3408
2324	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
		3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2326	load_extensions;	3427	load_extensions;
2327		3428
2328	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2329	Event::loop;	3437	EV::loop;
2330	}	3438	}
2331		3439
2332	#############################################################################	3440	#############################################################################
2333	# initialisation and cleanup	3441	# initialisation and cleanup
2334		3442
2335	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2336	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3447	$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";	3448	cf::cleanup "SIG$signal";
2345	},
2346	);	3449	};
		3450	}
		3451	}
		3452
		3453	sub write_runtime_sync {
		3454	# first touch the runtime file to show we are still running:
		3455	# the fsync below can take a very very long time.
		3456
		3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3458
		3459	my $guard = cf::lock_acquire "write_runtime";
		3460
		3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = $cf::RUNTIME + 90 + 10;
		3465	# 10 is the runtime save interval, for a monotonic clock
		3466	# 60 allows for the watchdog to kill the server.
		3467
		3468	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3469	and return;
		3470
		3471	# always fsync - this file is important
		3472	aio_fsync $fh
		3473	and return;
		3474
		3475	# touch it again to show we are up-to-date
		3476	aio_utime $fh, undef, undef;
		3477
		3478	close $fh
		3479	or return;
		3480
		3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3482	and return;
		3483
		3484	warn "runtime file written.\n";
		3485
2347	}	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2348	}	3537	}
2349		3538
2350	sub emergency_save() {	3539	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2352		3541
2353	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2354		3543
2355	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2356	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3558	$pl->save;
2364	}	3559	}
2365	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2366		3561
2367	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3565	$map->valid or next;
2371	$map->save;	3566	$map->save;
2372	}	3567	}
2373	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
		3569
		3570	warn "emergency_perl_save: begin database checkpoint\n";
		3571	BDB::db_env_txn_checkpoint $DB_ENV;
		3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2374	};	3577	};
2375		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2376	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2377	}	3585	}
2378		3586
		3587	sub post_cleanup {
		3588	my ($make_core) = @_;
		3589
		3590	warn Carp::longmess "post_cleanup backtrace"
		3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
		3621	}
		3622
2379	sub reload() {	3623	sub do_reload_perl() {
2380	# can/must only be called in main	3624	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2383	return;	3627	return;
2384	}	3628	}
2385		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2386	warn "reloading...";	3635	warn "reloading...";
2387		3636
2388	warn "cancelling server ticker";	3637	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3638
		3639	cf::sync_job {
		3640	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3641	cf::emergency_save;
		3642	cf::write_runtime_sync; # external watchdog should not bark
2392		3643
2393	eval {	3644	warn "syncing database to disk";
		3645	BDB::db_env_txn_checkpoint $DB_ENV;
		3646
2394	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2395		3648
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";	3649	warn "flushing outstanding aio requests";
2405	for (;;) {	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3651	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	}	3652	}
2432		3653
2433	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2435	}	3656	%EXT_CORO = ();
2436		3657
2437	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2438	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3667	warn "... unloading $pkg";
2442	delete $INC{$k};
2443		3668
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2448	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2449	}	3678	}
2450		3679
2451	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
2452	}	3695	}
2453		3696
2454	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3700
2458	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
		3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		3704
2461	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3706	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2464		3708
2465	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2466		3710
2467	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2468	require cf;	3712	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3714
2471	warn "loading config and database again";	3715	warn "loading config and database again";
2472	cf::cfg_load;	3716	cf::reload_config;
2473	cf::db_load;
2474		3717
2475	warn "loading extensions";	3718	warn "loading extensions";
2476	cf::load_extensions;	3719	cf::load_extensions;
2477		3720
		3721	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3723	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
		3726	warn "reattaching attachments to players";
		3727	reattach $_ for values %PLAYER;
		3728	}
2482		3729
2483	warn "loading reloadable resources";	3730	warn "running post_init jobs";
2484	load_resources;	3731	(pop @POST_INIT)->(1) while @POST_INIT;
2485		3732
2486	warn "restarting server ticker";	3733	warn "leaving sync_job";
2487		3734
2488	$TICK_WATCHER->start;	3735	1
		3736	} or do {
		3737	warn $@;
		3738	cf::cleanup "error while reloading, exiting.";
		3739	};
		3740
		3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
		3747	};
		3748
		3749	our $RELOAD_WATCHER; # used only during reload
		3750
		3751	sub reload_perl() {
		3752	# doing reload synchronously and two reloads happen back-to-back,
		3753	# coro crashes during coro_state_free->destroy here.
		3754
		3755	$RELOAD_WATCHER ||= cf::async {
		3756	Coro::AIO::aio_wait cache_extensions;
		3757
		3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3759	do_reload_perl;
		3760	undef $RELOAD_WATCHER;
		3761	};
2489	};	3762	};
2490		3763	}
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		3764
2502	register_command "reload" => sub {	3765	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2504		3767
2505	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2507		3770	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3771	$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;	3772	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3773	};
2520	}	3774	}
2521	};	3775	};
2522		3776
2523	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2524		3778
2525	my $bug_warning = 0;	3779	my $bug_warning = 0;
2526		3780
2527	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3783
2530	prio => 0,	3784	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3786
2533	cb => sub {	3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
2534	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2537	return;	3804	return;
2538	}	3805	}
2539		3806
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3808
2546	$WAIT_FOR_TICK->broadcast;	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
		3813	write_runtime_sync
		3814	or warn "ERROR: unable to write runtime file: $!";
		3815	};
		3816	}
2548		3817
2549	Event::sweep;	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
2551		3833	}
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	},	3834	}
2561	);	3835	}
2562		3836
2563	{	3837	{
2564	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3839
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;	3840	BDB::min_parallel 8;
2574		3841	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3842	$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		3843
2590	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3851
2593	cf::sync_job {	3852	cf::sync_job {
		3853	eval {
2594	BDB::db_env_open	3854	BDB::db_env_open
2595	$DB_ENV,	3855	$DB_ENV,
2596	$BDB_ENV_DIR,	3856	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3859	0666;
2600		3860
2601	cf::cleanup "$!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3862	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3863
2604	$DB_ENV->set_lk_detect;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3865	};
2606	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2607	}	3877	}
2608		3878
2609	{	3879	{
		3880	# configure IO::AIO
		3881
2610	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	3885	}
2623		3886
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3887	my $_log_backtrace;
2625	reentrant => 0,	3888
2626	data => WF_AUTOCANCEL,	3889	sub _log_backtrace {
2627	after => 1,	3890	my ($msg, @addr) = @_;
2628	interval => 10,	3891
2629	prio => 6, # keep it lowest so it acts like a watchdog	3892	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3893
2631	write_runtime	3894	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3926	}
2634	);	3927	}
		3928
		3929	# load additional modules
		3930	eval "use cf::$_" for @EXTRA_MODULES;
2635		3931
2636	END { cf::emergency_save }	3932	END { cf::emergency_save }
2637		3933
2638	1	3934	1
2639		3935

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