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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.191 by root, Tue Jan 23 01:05:18 2007 UTC vs.
Revision 1.447 by root, Fri Sep 19 01:39:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.4 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
		101
		102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	104	our $NEXT_TICK;
52	our $NOW;	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
		109	our $BDB_TRICKLE_WATCHER;
		110	our $DB_ENV;
53		111
54	our %CFG;	112	our %CFG;
55		113
56	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
58		117
59	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		121
67	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		124
		125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
		128	our $TICK_START; # for load detecting purposes
		129
70	binmode STDOUT;	130	binmode STDOUT;
71	binmode STDERR;	131	binmode STDERR;
72		132
73	# read virtual server time, if available	133	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
78	}	138	}
79		139
80	mkdir cf::localdir;	140	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		142
86	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
		144
		145	sub cf::map::normalise;
87		146
88	#############################################################################	147	#############################################################################
89		148
90	=head2 GLOBAL VARIABLES	149	=head2 GLOBAL VARIABLES
91		150
…		…
98	=item $cf::RUNTIME	157	=item $cf::RUNTIME
99		158
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	159	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	160	every server tick.
102		161
103	=item $cf::LIBDIR	162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		165
105	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		168	unique-items directory, player file directory, random maps directory and
		169	database environment.
107		170
108	=item $cf::NOW	171	=item $cf::NOW
109		172
110	The time of the last (current) server tick.	173	The time of the last (current) server tick.
111		174
112	=item $cf::TICK	175	=item $cf::TICK
113		176
114	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
115		178
		179	=item $cf::LOADAVG
		180
		181	The current CPU load on the server (alpha-smoothed), as a value between 0
		182	(none) and 1 (overloaded), indicating how much time is spent on processing
		183	objects per tick. Healthy values are < 0.5.
		184
		185	=item $cf::LOAD
		186
		187	The raw value load value from the last tick.
		188
116	=item %cf::CFG	189	=item %cf::CFG
117		190
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	192	from wherever your confdir points to.
120		193
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		195
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	197	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
127		205
128	=back	206	=back
129		207
130	=cut	208	=cut
131		209
132	BEGIN {	210	BEGIN {
133	*CORE::GLOBAL::warn = sub {	211	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	212	my $msg = join "", @_;
135	utf8::encode $msg;
136		213
137	$msg .= "\n"	214	$msg .= "\n"
138	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
139		216
		217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		218
140	LOG llevError, $msg;	219	LOG llevError, $msg;
141	};	220	};
142	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
143		237
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		245
151	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	247	# within the Safe compartment.
153	for my $pkg (qw(	248	for my $pkg (qw(
154	cf::global cf::attachable	249	cf::global cf::attachable
155	cf::object cf::object::player	250	cf::object cf::object::player
156	cf::client cf::player	251	cf::client cf::player
157	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
158	cf::map cf::party cf::region	254	cf::party cf::region
159	)) {	255	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	257	}
163		258
164	$Event::DIED = sub {	259	$EV::DIED = sub {
165	warn "error in event callback: @_";	260	warn "error in event callback: @_";
166	};	261	};
		262
		263	#############################################################################
167		264
168	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
169		266
170	=over 4	267	=over 4
171		268
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	288	$d
192	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
193	}	290	}
194		291
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
198		293
199	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
200		295
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
209		297
210	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
211		299
212	=cut	300	=cut
213		301
214	sub to_json($) {	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	303
216	JSON::Syck::Dump $_[0]	304	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	305	sub decode_json($) { $json_coder->decode ($_[0]) }
218		306
219	=item cf::lock_wait $string	307	=item cf::lock_wait $string
220		308
221	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
222		310
…		…
225	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
228	returned.	316	returned.
229		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
230	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
232		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
233	=cut	328	=cut
234		329
235	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
236		332
237	sub lock_wait($) {	333	sub lock_wait($) {
238	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
239		340
240	# wait for lock, if any	341	# wait for lock, if any
241	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	344	Coro::schedule;
…		…
249		350
250	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
251	lock_wait $key;	352	lock_wait $key;
252		353
253	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
254		356
255	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
258	}	361	}
259	}	362	}
260		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
261	sub freeze_mainloop {	370	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
263		372
264	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	374	}
266	$WRITE_RUNTIME_WATCHER->start;	375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
267	};	434	}
268	$WRITE_RUNTIME_WATCHER->stop;	435	};
269	$TICK_WATCHER->stop;	436
270	$guard	437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
271	}	449	}
272		450
273	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
274		452
275	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		458
281	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
282		460
283	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
284		462
285	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
288		467
289	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
292	fast or be very important.	471	fast or be very important.
…		…
295		474
296	sub sync_job(&) {	475	sub sync_job(&) {
297	my ($job) = @_;	476	my ($job) = @_;
298		477
299	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
300	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
302		483
303	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	485
305	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
306		487
307	my $busy = 1;	488	my $busy = 1;
308	my @res;	489	my @res;
309		490
310	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	493	@res = eval { $job->() };
312	warn $@ if $@;	494	warn $@ if $@;
313	undef $busy;	495	undef $busy;
314	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
315		497
316	while ($busy) {	498	while ($busy) {
317	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
318	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
319		509
320	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
321	} else {	511	} else {
322	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
323		513
…		…
343	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
344		534
345	$coro	535	$coro
346	}	536	}
347		537
348	sub write_runtime {	538	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		539
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	Executes the given code block with the given arguments in a seperate
352	or return;	541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
353		544
354	my $value = $cf::RUNTIME + 90 + 10;	545	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		546
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub fork_call(&@) {
359	and return;	548	my ($cb, @args) = @_;
360		549
361	aio_fsync $fh	550	# we seemingly have to make a local copy of the whole thing,
362	and return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
363		553
364	close $fh	554	my @res = Coro::Util::fork_eval {
365	or return;	555	reset_signals;
		556	&$cb
		557	}, @args;
366		558
367	aio_rename "$runtime~", $runtime	559	wantarray ? @res : $res[-1]
368	and return;	560	}
369		561
		562	=item $coin = coin_from_name $name
		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
		589	=item $value = cf::db_get $family => $key
		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
370	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
		714	}
		715
		716	=item cf::datalog type => key => value, ...
		717
		718	Log a datalog packet of the given type with the given key-value pairs.
		719
		720	=cut
		721
		722	sub datalog($@) {
		723	my ($type, %kv) = @_;
		724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	725	}
372		726
373	=back	727	=back
374		728
375	=cut	729	=cut
376		730
377	#############################################################################	731	#############################################################################
378		732
379	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
380		734
381	Many objects in crossfire are so-called attachable objects. That means you can	735	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
384		738
385	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	741	Deliantra).
388		742
389	=over 4	743	=over 4
390		744
391	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
392		746
…		…
436	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
437		791
438	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
440		794
441	Some classes such as crossfire maps and objects can specify attachments	795	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	796	that are attached at load/instantiate time, thus the need for a name.
443		797
444	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
445		799
446	=over 4	800	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
556		910
557	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		915
562	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	917	my $pkg = shift @arg;
564		918
565	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
595	}	949	}
596		950
597	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
598	} else {	952	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	954	}
601		955
602	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
603	}	957	}
604		958
…		…
606	if (ref $_[0]) {	960	if (ref $_[0]) {
607	_object_attach @_;	961	_object_attach @_;
608	} else {	962	} else {
609	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
610	}	964	}
		965	_recalc_want;
611	};	966	};
612		967
613	# all those should be optimised	968	# all those should be optimised
614	sub cf::attachable::detach {	969	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
619	reattach ($obj);	974	reattach ($obj);
620	} else {	975	} else {
621	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
622	}	977	}
		978	_recalc_want;
623	};	979	};
624		980
625	sub cf::attachable::attached {	981	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
627		983
…		…
642	";	998	";
643	die if $@;	999	die if $@;
644	}	1000	}
645		1001
646	our $override;	1002	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1004
649	sub override {	1005	sub override {
650	$override = 1;	1006	$override = 1;
651	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
652	}	1008	}
653		1009
654	sub do_invoke {	1010	sub do_invoke {
655	my $event = shift;	1011	my $event = shift;
656	my $callbacks = shift;	1012	my $callbacks = shift;
657		1013
658	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
659		1015
660	local $override;	1016	local $override;
661		1017
662	for (@$callbacks) {	1018	for (@$callbacks) {
663	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
672	}	1028	}
673		1029
674	0	1030	0
675	}	1031	}
676		1032
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1034
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1036
681	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
682		1038
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1042
687	=back	1043	=back
688		1044
689	=cut	1045	=cut
690		1046
691	#############################################################################	1047	#############################################################################
692	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
693		1091
694	sub reattach {	1092	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1094	my ($obj) = @_;
697		1095
		1096	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1098
700	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
701		1100
702	@$registry = ();	1101	@$registry = ();
703		1102
…		…
718	cf::attachable->attach (	1117	cf::attachable->attach (
719	prio => -1000000,	1118	prio => -1000000,
720	on_instantiate => sub {	1119	on_instantiate => sub {
721	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
722		1121
723	$data = from_json $data;	1122	$data = decode_json $data;
724		1123
725	for (@$data) {	1124	for (@$data) {
726	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
727		1126
728	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1143	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
746		1145
747	sync_job {	1146	sync_job {
748	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
751		1151
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1155	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1156	aio_close $fh;
757		1157
758	if (@$objs) {	1158	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1163	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1164	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
766	}	1166	}
767	} else {	1167	} else {
768	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
769	}	1169	}
…		…
774	}	1174	}
775	} else {	1175	} else {
776	aio_unlink $filename;	1176	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
778	}	1178	}
779	}	1179	};
780	}	1180	}
781		1181
782	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
784		1184
…		…
796	or return;	1196	or return;
797		1197
798	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
800	or return;	1200	or return;
		1201
801	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
802	}	1204	}
803		1205
		1206	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
806	return ($data, $av);	1210	($data, $av)
807	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
808		1218
809	#############################################################################	1219	#############################################################################
810	# command handling &c	1220	# command handling &c
811		1221
812	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1236	}
827		1237
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1239
830	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
831		1245
832	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
833	called.	1247	called.
834		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
835	=cut	1260	=cut
836		1261
837	sub register_extcmd {	1262	sub register_extcmd {
838	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
839		1264
840	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
841	}	1272	}
842		1273
843	cf::player->attach (	1274	cf::player->attach (
844	on_command => sub {	1275	on_command => sub {
845	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1285	cf::override;
855	},	1286	},
856	on_extcmd => sub {	1287	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
858		1289
859	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1291
861	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
867	} else {	1307	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1309	}
870		1310
871	cf::override;	1311	cf::override;
872	},	1312	},
873	);	1313	);
874		1314
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
910	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1320	next unless -r $path;
912	eval {	1321
913	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
914	1	1378	}
915	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
916	}	1384	};
917	}	1385	}
918		1386
919	#############################################################################	1387	#############################################################################
920		1388
		1389	=back
		1390
921	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
922		1392
923	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
924		1394
925	=cut	1395	=cut
926		1396
927	package cf::player;	1397	package cf::player;
928		1398
…		…
930		1400
931	=head3 cf::player	1401	=head3 cf::player
932		1402
933	=over 4	1403	=over 4
934		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
		1418
935	=item cf::player::find $login	1419	=item cf::player::find $login
936		1420
937	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
938		1422
939	=cut	1423	=cut
940		1424
941	sub playerdir($) {	1425	sub playerdir($) {
942	cf::localdir	1426	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1428	}
948		1429
949	sub path($) {	1430	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1432
952	(playerdir $login) . "/$login.pl"	1433	(playerdir $login) . "/playerdata"
953	}	1434	}
954		1435
955	sub find_active($) {	1436	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1437	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1438	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1451	my $login = $_[0];
971		1452
972	my $guard = cf::lock_acquire "user_find:$login";	1453	my $guard = cf::lock_acquire "user_find:$login";
973		1454
974	$cf::PLAYER{$_[0]} || do {	1455	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1456	# rename old playerfiles to new ones
		1457	#TODO: remove when no longer required
		1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1461	aio_unlink +(playerdir $login) . "/$login.pl";
		1462
		1463	my $f = new_from_file cf::object::thawer path $login
976	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
978	}	1472	}
979	}	1473	}
980	}	1474	}
981		1475
…		…
990	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
991		1485
992	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
994		1488
		1489	cf::get_slot 0.01;
		1490
995	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
996	Coro::cede;	1492	cf::cede_to_tick;
997	}	1493	}
998		1494
999	sub new($) {	1495	sub new($) {
1000	my ($login) = @_;	1496	my ($login) = @_;
1001		1497
…		…
1007	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1008		1504
1009	$self	1505	$self
1010	}	1506	}
1011		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1012	=item $pl->quit_character	1518	=item $pl->quit_character
1013		1519
1014	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1016		1522
1017	=cut	1523	=cut
1018		1524
1019	sub quit_character {	1525	sub quit_character {
1020	my ($pl) = @_;	1526	my ($pl) = @_;
1021		1527
		1528	my $name = $pl->ob->name;
		1529
1022	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1532
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1029		1539
1030	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1542	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1543	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1544	$pl->destroy;
		1545
		1546	my $prefix = qr<^~\Q$name\E/>;
		1547
		1548	# nuke player maps
		1549	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1550
1035	IO::AIO::aio_rmtree $temp;	1551	IO::AIO::aio_rmtree $temp;
		1552	}
		1553
		1554	=item $pl->kick
		1555
		1556	Kicks a player out of the game. This destroys the connection.
		1557
		1558	=cut
		1559
		1560	sub kick {
		1561	my ($pl, $kicker) = @_;
		1562
		1563	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1564	$pl->killer ("kicked");
		1565	$pl->ns->destroy;
1036	}	1566	}
1037		1567
1038	=item cf::player::list_logins	1568	=item cf::player::list_logins
1039		1569
1040	Returns am arrayref of all valid playernames in the system, can take a	1570	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1042		1572
1043	=cut	1573	=cut
1044		1574
1045	sub list_logins {	1575	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1577	or return [];
1048		1578
1049	my @logins;	1579	my @logins;
1050		1580
1051	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1055		1591
1056	utf8::decode $login;	1592	utf8::decode $login;
1057	push @logins, $login;	1593	push @logins, $login;
1058	}	1594	}
1059		1595
…		…
1067		1603
1068	=cut	1604	=cut
1069		1605
1070	sub maps($) {	1606	sub maps($) {
1071	my ($pl) = @_;	1607	my ($pl) = @_;
		1608
		1609	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1610
1073	my $files = aio_readdir playerdir $pl	1611	my $files = aio_readdir playerdir $pl
1074	or return;	1612	or return;
1075		1613
1076	my @paths;	1614	my @paths;
…		…
1078	for (@$files) {	1616	for (@$files) {
1079	utf8::decode $_;	1617	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1618	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1619	next unless /^$PATH_SEP/o;
1082		1620
1083	s/\.map$//;	1621	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1622	}
1086		1623
1087	\@paths	1624	\@paths
1088	}	1625	}
1089		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1628
		1629	Expand deliantra pod fragments into protocol xml.
		1630
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1091		1632
1092	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1093		1634
1094	=cut	1635	=cut
1095		1636
1096	sub ext_reply($$$%) {	1637	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1098		1639
1099	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1641	}
1103		1642
1104	package cf;	1643	=item $player->ext_msg ($type, @msg)
		1644
		1645	Sends an ext event to the client.
		1646
		1647	=cut
		1648
		1649	sub ext_msg($$@) {
		1650	my ($self, $type, @msg) = @_;
		1651
		1652	$self->ns->ext_msg ($type, @msg);
		1653	}
		1654
		1655	=head3 cf::region
		1656
		1657	=over 4
		1658
		1659	=cut
		1660
		1661	package cf::region;
		1662
		1663	=item cf::region::find_by_path $path
		1664
		1665	Tries to decuce the likely region for a map knowing only its path.
		1666
		1667	=cut
		1668
		1669	sub find_by_path($) {
		1670	my ($path) = @_;
		1671
		1672	my ($match, $specificity);
		1673
		1674	for my $region (list) {
		1675	if ($region->{match} && $path =~ $region->{match}) {
		1676	($match, $specificity) = ($region, $region->specificity)
		1677	if $region->specificity > $specificity;
		1678	}
		1679	}
		1680
		1681	$match
		1682	}
1105		1683
1106	=back	1684	=back
1107
1108		1685
1109	=head3 cf::map	1686	=head3 cf::map
1110		1687
1111	=over 4	1688	=over 4
1112		1689
…		…
1124	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1126		1703
1127	sub generate_random_map {	1704	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1129	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1710	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1168		1748
1169	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1170	local $self->{path};	1750	local $self->{path};
1171	local $self->{load_path};	1751	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1752
1175	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1176	}	1754	}
1177		1755
1178	sub normalise {	1756	sub normalise {
1179	my ($path, $base) = @_;	1757	my ($path, $base) = @_;
		1758
		1759	$path = "$path"; # make sure its a string
		1760
		1761	$path =~ s/\.map$//;
1180		1762
1181	# map plan:	1763	# map plan:
1182	#	1764	#
1183	# /! non-realised random map exit (special hack!)	1765	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1766	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1222	return $self;	1804	return $self;
1223	}	1805	}
1224	}	1806	}
1225		1807
1226	Carp::carp "unable to resolve path '$path'.";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1809	()
1228	}	1810	}
1229		1811
1230	sub init {	1812	sub init {
1231	my ($self) = @_;	1813	my ($self) = @_;
…		…
1246		1828
1247	# the original (read-only) location	1829	# the original (read-only) location
1248	sub load_path {	1830	sub load_path {
1249	my ($self) = @_;	1831	my ($self) = @_;
1250		1832
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1252	}	1834	}
1253		1835
1254	# the temporary/swap location	1836	# the temporary/swap location
1255	sub save_path {	1837	sub save_path {
1256	my ($self) = @_;	1838	my ($self) = @_;
1257		1839
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1260	}	1842	}
1261		1843
1262	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1263	sub uniq_path {	1845	sub uniq_path {
1264	my ($self) = @_;	1846	my ($self) = @_;
1265		1847
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1268	}	1850	}
1269		1851
1270	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1271	# all maps in C++...	1853	# all maps in C++...
1272	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1274		1856
1275	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1277	}	1859	}
1278		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1279	sub unlink_save {	1869	sub unlink_save {
1280	my ($self) = @_;	1870	my ($self) = @_;
1281		1871
1282	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1876
1287	sub load_header_from($) {	1877	sub load_header_from($) {
1288	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1289		1879
1290	utf8::encode $path;	1880	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1292	or return;	1882	or return;
1293		1883
1294	$self->_load_header ($path)	1884	$self->_load_header ($f)
1295	or return;	1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1296		1889
1297	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1298		1891
1299	1	1892	1
1300	}	1893	}
…		…
1339	$self->load_header_orig	1932	$self->load_header_orig
1340	or return;	1933	or return;
1341	$self->prepare_orig;	1934	$self->prepare_orig;
1342	}	1935	}
1343		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
		1940	$self->default_region (cf::region::find_by_path $self->{path})
		1941	unless $self->default_region;
		1942
1344	1	1943	1
1345	}	1944	}
1346		1945
1347	sub find;	1946	sub find;
1348	sub find {	1947	sub find {
1349	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1350		1949
1351	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1352		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1353	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1354		1954
1355	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1356	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1357	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1358	or return;	1960	or return;
1359		1961
1360	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1361		1963
1362	$map->load_header	1964	$map->load_header
1363	or return;	1965	or return;
1364		1966
1365	if ($map->should_reset) {	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1368	$map->reset;	1972	$map->reset;
1369	undef $guard;
1370	$map = find $path	1973	return find $path;
1371	or return;
1372	}	1974	}
1373		1975
1374	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1375	}	1977	}
1376	}	1978	}
…		…
1379	sub post_load { }	1981	sub post_load { }
1380		1982
1381	sub load {	1983	sub load {
1382	my ($self) = @_;	1984	my ($self) = @_;
1383		1985
		1986	local $self->{deny_reset} = 1; # loading can take a long time
		1987
1384	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1385	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1386		1992
		1993	return unless $self->valid;
1387	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1388		1995
1389	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1390		1997
1391	$self->alloc;	1998	$self->alloc;
1392		1999
1393	$self->pre_load;	2000	$self->pre_load;
		2001	cf::cede_to_tick;
1394		2002
1395	$self->_load_objects ($self->{load_path}, 1)	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
		2005	$self->_load_objects ($f)
1396	or return;	2006	or return;
1397		2007
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1399	if delete $self->{load_original};	2009	if delete $self->{load_original};
1400		2010
1401	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;	2012	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1404	$self->clear_unique_items;	2015	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1406	}	2019	}
1407	}	2020	}
1408		2021
1409	Coro::cede;	2022	$f->resolve_delayed_derefs;
1410		2023
		2024	cf::cede_to_tick;
1411	# now do the right thing for maps	2025	# now do the right thing for maps
1412	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;
1419	$self->set_darkness_map;
1420	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	2028	unless $self->difficulty;
1422	Coro::cede;	2029	cf::cede_to_tick;
		2030
		2031	unless ($self->{deny_activate}) {
		2032	$self->decay_objects;
		2033	$self->fix_auto_apply;
		2034	$self->update_buttons;
		2035	cf::cede_to_tick;
		2036	$self->set_darkness_map;
		2037	cf::cede_to_tick;
1423	$self->activate;	2038	$self->activate;
		2039	}
		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
		2044	$self->in_memory (cf::MAP_ACTIVE);
1424	}	2045	}
1425		2046
1426	$self->post_load;	2047	$self->post_load;
1427
1428	$self->in_memory (cf::MAP_IN_MEMORY);
1429	}	2048	}
1430		2049
1431	sub customise_for {	2050	sub customise_for {
1432	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1433		2052
1434	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1435	if $self->per_player;	2054	if $self->per_player;
1436		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1437	$self	2059	$self
1438	}	2060	}
1439		2061
1440	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	2063	sub load_neighbours {
1442	my ($map) = @_;	2064	my ($map) = @_;
1443		2065
1444	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1445		2067
1446	for (0 .. 3) {	2068	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1448	or next;	2070	or next;
1449	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1450	or next;	2072	or next;
1451	$neigh->load;	2073	$neigh->load;
1452		2074
		2075	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2078	}
1456		2079
1457	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1459	or next;	2083	or next;
1460	$neigh->load;	2084	$neigh->load;
1461	}	2085	}
1462	}	2086	}
1463		2087
…		…
1468	}	2092	}
1469		2093
1470	sub do_load_sync {	2094	sub do_load_sync {
1471	my ($map) = @_;	2095	my ($map) = @_;
1472		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1473	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1474	}	2101	}
1475		2102
1476	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1478		2105
1479	sub find_async {	2106	sub find_async {
1480	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1481		2108
1482	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1483		2110
1484	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1486	}	2113	}
1487		2114
1488	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1489	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1490	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1491	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1492	my $map = find $path	2122	if (my $map = find $k) {
1493	or next;
1494	$map->load;	2123	$map->load if $v;
		2124	}
1495		2125
1496	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1497	}	2127	}
1498	}	2128	}
1499	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1500	};	2130	};
1501	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1504	}	2134	}
1505		2135
1506	sub save {	2136	sub save {
1507	my ($self) = @_;	2137	my ($self) = @_;
1508		2138
1509	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1510		2140
1511	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1512		2142
1513	return unless $self->dirty;	2143	return unless $self->dirty;
1514		2144
…		…
1520	return if $self->{deny_save};	2150	return if $self->{deny_save};
1521		2151
1522	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1523		2153
1524	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1525	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1526	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1527		2160
1528	if ($uniq) {	2161	if ($uniq) {
1529	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1530	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1531	} else {	2164	} else {
…		…
1537	my ($self) = @_;	2170	my ($self) = @_;
1538		2171
1539	# save first because save cedes	2172	# save first because save cedes
1540	$self->save;	2173	$self->save;
1541		2174
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2176
1544	return if $self->players;	2177	return if $self->players;
1545	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1546	return if $self->{deny_save};	2179	return if $self->{deny_save};
1547		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1548	$self->clear;	2185	$self->clear;
1549	$self->in_memory (cf::MAP_SWAPPED);
1550	}	2186	}
1551		2187
1552	sub reset_at {	2188	sub reset_at {
1553	my ($self) = @_;	2189	my ($self) = @_;
1554		2190
1555	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1557	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1558		2193
1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1561		2196
…		…
1572	my ($self) = @_;	2207	my ($self) = @_;
1573		2208
1574	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2210
1576	return if $self->players;	2211	return if $self->players;
1577	return if $self->isa ("ext::map_per_player");#d#
1578		2212
1579	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
		2214
		2215	$self->in_memory (cf::MAP_SWAPPED);
		2216
		2217	# need to save uniques path
		2218	unless ($self->{deny_save}) {
		2219	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2220
		2221	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2222	if $uniq;
		2223	}
1580		2224
1581	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1582		2226
1583	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1584	$self->clear;	2229	$self->clear;
1585
1586	$_->clear_links_to ($self) for values %cf::MAP;
1587		2230
1588	$self->unlink_save;	2231	$self->unlink_save;
1589	$self->destroy;	2232	$self->destroy;
1590	}	2233	}
1591		2234
1592	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1593		2236
1594	sub nuke {	2237	sub nuke {
1595	my ($self) = @_;	2238	my ($self) = @_;
1596		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1597	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1598		2244
1599	$self->unlink_save;	2245	$self->unlink_save;
1600		2246
1601	bless $self, "cf::map";	2247	bless $self, "cf::map";
1602	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1603	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1604	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606		2252
1607	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1608		2255
1609	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1610	}	2293	}
1611		2294
1612	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1613		2296
1614	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1615	instantiated unique items. May block.	2298	instantiated unique items. May block.
1616		2299
1617	=cut	2300	=cut
1618		2301
1619	sub unique_maps() {	2302	sub unique_maps() {
1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1621	or return;	2304	map {
1622
1623	my @paths;
1624
1625	for (@$files) {
1626	utf8::decode $_;	2305	utf8::decode $_;
1627	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1628	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1629		2308	? ()
1630	s/\.map$//;	2309	: normalise $_
1631	push @paths, $_;	2310	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2311	]
1633
1634	\@paths
1635	}	2312	}
1636
1637	package cf;
1638		2313
1639	=back	2314	=back
1640		2315
1641	=head3 cf::object	2316	=head3 cf::object
1642		2317
…		…
1646		2321
1647	=over 4	2322	=over 4
1648		2323
1649	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1650		2325
1651	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1652		2328
1653	=cut	2329	=cut
1654		2330
1655	sub inv_recursive_;	2331	sub inv_recursive_;
1656	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1659		2335
1660	sub inv_recursive {	2336	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1662	}	2338	}
1663		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1664	package cf;	2368	package cf;
1665		2369
1666	=back	2370	=back
1667		2371
1668	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1677		2381
1678	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1679		2397
1680	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2399	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1685		2403
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2405
1688	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1690	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1693	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1694	}	2431	}
1695		2432
1696	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1697		2434
1698	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1711		2448
1712	=item $player_object->enter_link	2449	=item $player_object->enter_link
1713		2450
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2452
1716	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1718		2457
1719	Will never block.	2458	Will never block.
1720		2459
1721	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1722		2461
…		…
1730	=cut	2469	=cut
1731		2470
1732	sub link_map {	2471	sub link_map {
1733	unless ($LINK_MAP) {	2472	unless ($LINK_MAP) {
1734	$LINK_MAP = cf::map::find "{link}"	2473	$LINK_MAP = cf::map::find "{link}"
1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2474	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736	$LINK_MAP->load;	2475	$LINK_MAP->load;
1737	}	2476	}
1738		2477
1739	$LINK_MAP	2478	$LINK_MAP
1740	}	2479	}
…		…
1745	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1746		2485
1747	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1748		2487
1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1751		2490
1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1753	}	2492	}
1754		2493
1755	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1756	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1757		2498
1758	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1759		2500
1760	unless ($map) {	2501	unless ($map) {
1761	# restore original map position	2502	# restore original map position
…		…
1775	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1776	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1777	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1778		2519
1779	$map->load;	2520	$map->load;
1780	$map->load_diag;	2521	$map->load_neighbours;
1781		2522
1782	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1783	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1784	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1785	}	2529	}
1786		2530
1787	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1788	on_logout => sub {
1789	my ($pl) = @_;
1790		2532
1791	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1792	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1793	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1794	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1795	};	2537	be called at the end of this process.
1796	}
1797	},
1798	on_login => sub {
1799	my ($pl) = @_;
1800		2538
1801	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1802	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1803	if ($pl->ob->{_link_pos}) {
1804	$pl->ob->enter_link;
1805	(async {
1806	# we need this sleep as the login has a concurrent enter_exit running
1807	# and this sleep increases chances of the player not ending up in scorn
1808	$pl->ob->reply (undef,
1809	"There was an internal problem at your last logout, "
1810	. "the server will try to bring you to your intended destination in a second.",
1811	cf::NDI_RED);
1812	Coro::Timer::sleep 1;
1813	$pl->ob->leave_link;
1814	})->prio (2);
1815	}
1816	},
1817	);
1818		2541
1819	=item $player_object->goto ($path, $x, $y)
1820
1821	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1822		2545
1823	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1824	my ($self, $path, $x, $y) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
		2548
		2549	# do generation counting so two concurrent goto's will be executed in-order
		2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1825		2551
1826	$self->enter_link;	2552	$self->enter_link;
1827		2553
1828	(async {	2554	(async {
1829	my $map = cf::map::find $path;	2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
		2576	my $map = eval {
		2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1830	$map = $map->customise_for ($self) if $map;	2580	$map = $map->customise_for ($self);
1831		2581	$map = $check->($map) if $check && $map;
1832	# warn "entering ", $map->path, " at ($x, $y)\n"	2582	} else {
1833	# if $map;
1834
1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2584	}
1836		2585
		2586	$map
		2587	};
		2588
		2589	if ($@) {
		2590	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2591	LOG llevError | logBacktrace, Carp::longmess $@;
		2592	}
		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1837	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1838	})->prio (1);	2600	})->prio (1);
1839	}	2601	}
1840		2602
1841	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1842		2604
…		…
1862	}	2624	}
1863		2625
1864	sub prepare_random_map {	2626	sub prepare_random_map {
1865	my ($exit) = @_;	2627	my ($exit) = @_;
1866		2628
1867	my $guard = cf::lock_acquire "exit_prepare:$exit";
1868
1869	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1870	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1871	# that depends on the exit object	2631	# that depends on the exit object
1872		2632
1873	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
1874		2634
1875	if ($exit->map) {	2635	if ($exit->map) {
1876	$rmp->{region} = $exit->map->region_name;	2636	$rmp->{region} = $exit->region->name;
1877	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1878	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1879	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1880	}	2642	}
1881		2643
1882	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1883		2645
1884	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1885	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1887		2649
1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1889	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1890	undef $fh;	2652	undef $fh;
1891	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1892		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1893	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
1894	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
1895	}	2661	}
1896	}	2662	}
1897		2663
1898	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
1899	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
…		…
1901	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1902		2668
1903	$self->enter_link;	2669	$self->enter_link;
1904		2670
1905	(async {	2671	(async {
1906	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
1907	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
1908	prepare_random_map $exit	2681	prepare_random_map $exit
1909	if $exit->slaying eq "/!";	2682	if $exit->slaying eq "/!";
		2683	}
1910		2684
1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
1913		2688
		2689	$self->goto ($map, $x, $y);
		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
1914	1;	2695	1
1915	}) {	2696	}) {
1916	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
1917	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
1918	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
1919	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
1920		2701
1921	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
1922	$self->leave_link;	2703	$self->leave_link;
1923	}	2704	}
1924	})->prio (1);	2705	})->prio (1);
…		…
1937		2718
1938	sub cf::client::send_drawinfo {	2719	sub cf::client::send_drawinfo {
1939	my ($self, $text, $flags) = @_;	2720	my ($self, $text, $flags) = @_;
1940		2721
1941	utf8::encode $text;	2722	utf8::encode $text;
1942	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1943	}	2724	}
1944		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
		2798
		2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2800
		2801	# check predefined channels, for the benefit of C
		2802	if ($CHANNEL{$channel}) {
		2803	$channel = $CHANNEL{$channel};
		2804
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807
		2808	$channel = $channel->{id};
		2809
		2810	} elsif (ref $channel) {
		2811	# send meta info to client, if not yet sent
		2812	unless (exists $self->{channel}{$channel->{id}}) {
		2813	$self->{channel}{$channel->{id}} = $channel;
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816	}
		2817
		2818	$channel = $channel->{id};
		2819	}
		2820
		2821	return unless @extra || length $msg;
		2822
		2823	if ($self->can_msg) {
		2824	# default colour, mask it out
		2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2826	if $color & cf::NDI_DEF;
		2827
		2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
		2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
		2844	} else {
		2845	if ($color >= 0) {
		2846	# replace some tags by gcfclient-compatible ones
		2847	for ($msg) {
		2848	1 while
		2849	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2850	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2851	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2852	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2853	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2854	}
		2855
		2856	$color &= cf::NDI_COLOR_MASK;
		2857
		2858	utf8::encode $msg;
		2859
		2860	if (0 && $msg =~ /\[/) {
		2861	# COMMAND/INFO
		2862	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2863	} else {
		2864	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2865	$self->send_packet ("drawinfo $color $msg")
		2866	}
		2867	}
		2868	}
		2869	}
		2870
		2871	=item $client->ext_msg ($type, @msg)
		2872
		2873	Sends an ext event to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_msg($$@) {
		2878	my ($self, $type, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2882	} elsif ($self->extcmd == 1) { # TODO: remove
		2883	push @msg, msgtype => "event_$type";
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2885	}
		2886	}
		2887
		2888	=item $client->ext_reply ($msgid, @msg)
		2889
		2890	Sends an ext reply to the client.
		2891
		2892	=cut
		2893
		2894	sub cf::client::ext_reply($$@) {
		2895	my ($self, $id, @msg) = @_;
		2896
		2897	if ($self->extcmd == 2) {
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2899	} elsif ($self->extcmd == 1) {
		2900	#TODO: version 1, remove
		2901	unshift @msg, msgtype => "reply", msgid => $id;
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
1945		2905
1946	=item $success = $client->query ($flags, "text", \&cb)	2906	=item $success = $client->query ($flags, "text", \&cb)
1947		2907
1948	Queues a query to the client, calling the given callback with	2908	Queues a query to the client, calling the given callback with
1949	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2909	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1950	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2910	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1951		2911
1952	Queries can fail, so check the return code. Or don't, as queries will become	2912	Queries can fail, so check the return code. Or don't, as queries will
1953	reliable at some point in the future.	2913	become reliable at some point in the future.
1954		2914
1955	=cut	2915	=cut
1956		2916
1957	sub cf::client::query {	2917	sub cf::client::query {
1958	my ($self, $flags, $text, $cb) = @_;	2918	my ($self, $flags, $text, $cb) = @_;
…		…
1966	utf8::encode $text;	2926	utf8::encode $text;
1967	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2927	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1968		2928
1969	$self->send_packet ($self->{query_queue}[0][0])	2929	$self->send_packet ($self->{query_queue}[0][0])
1970	if @{ $self->{query_queue} } == 1;	2930	if @{ $self->{query_queue} } == 1;
		2931
		2932	1
1971	}	2933	}
1972		2934
1973	cf::client->attach (	2935	cf::client->attach (
		2936	on_connect => sub {
		2937	my ($ns) = @_;
		2938
		2939	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2940	},
1974	on_reply => sub {	2941	on_reply => sub {
1975	my ($ns, $msg) = @_;	2942	my ($ns, $msg) = @_;
1976		2943
1977	# this weird shuffling is so that direct followup queries	2944	# this weird shuffling is so that direct followup queries
1978	# get handled first	2945	# get handled first
1979	my $queue = delete $ns->{query_queue}	2946	my $queue = delete $ns->{query_queue}
1980	or return; # be conservative, not sure how that can happen, but we saw a crash here	2947	or return; # be conservative, not sure how that can happen, but we saw a crash here
1981		2948
1982	(shift @$queue)->[1]->($msg);	2949	(shift @$queue)->[1]->($msg);
		2950	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983		2951
1984	push @{ $ns->{query_queue} }, @$queue;	2952	push @{ $ns->{query_queue} }, @$queue;
1985		2953
1986	if (@{ $ns->{query_queue} } == @$queue) {	2954	if (@{ $ns->{query_queue} } == @$queue) {
1987	if (@$queue) {	2955	if (@$queue) {
…		…
1989	} else {	2957	} else {
1990	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1991	}	2959	}
1992	}	2960	}
1993	},	2961	},
		2962	on_exticmd => sub {
		2963	my ($ns, $buf) = @_;
		2964
		2965	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2966
		2967	if (ref $msg) {
		2968	my ($type, $reply, @payload) =
		2969	"ARRAY" eq ref $msg
		2970	? @$msg
		2971	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2972
		2973	my @reply;
		2974
		2975	if (my $cb = $EXTICMD{$type}) {
		2976	@reply = $cb->($ns, @payload);
		2977	}
		2978
		2979	$ns->ext_reply ($reply, @reply)
		2980	if $reply;
		2981
		2982	} else {
		2983	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2984	}
		2985
		2986	cf::override;
		2987	},
1994	);	2988	);
1995		2989
1996	=item $client->async (\&cb)	2990	=item $client->async (\&cb)
1997		2991
1998	Create a new coroutine, running the specified callback. The coroutine will	2992	Create a new coroutine, running the specified callback. The coroutine will
…		…
2039	our $safe = new Safe "safe";	3033	our $safe = new Safe "safe";
2040	our $safe_hole = new Safe::Hole;	3034	our $safe_hole = new Safe::Hole;
2041		3035
2042	$SIG{FPE} = 'IGNORE';	3036	$SIG{FPE} = 'IGNORE';
2043		3037
2044	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3038	$safe->permit_only (Opcode::opset qw(
		3039	:base_core :base_mem :base_orig :base_math
		3040	grepstart grepwhile mapstart mapwhile
		3041	sort time
		3042	));
2045		3043
2046	# here we export the classes and methods available to script code	3044	# here we export the classes and methods available to script code
2047		3045
2048	=pod	3046	=pod
2049		3047
2050	The following fucntions and emthods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2051		3049
2052	cf::object contr pay_amount pay_player map	3050	cf::object
		3051	contr pay_amount pay_player map x y force_find force_add destroy
		3052	insert remove name archname title slaying race decrease split
		3053
2053	cf::object::player player	3054	cf::object::player
2054	cf::player peaceful	3055	player
2055	cf::map trigger	3056
		3057	cf::player
		3058	peaceful
		3059
		3060	cf::map
		3061	trigger
2056		3062
2057	=cut	3063	=cut
2058		3064
2059	for (	3065	for (
2060	["cf::object" => qw(contr pay_amount pay_player map)],	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3067	insert remove inv nrof name archname title slaying race
		3068	decrease split destroy change_exp)],
2061	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2062	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2063	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2064	) {	3072	) {
2065	no strict 'refs';	3073	no strict 'refs';
…		…
2136	=back	3144	=back
2137		3145
2138	=cut	3146	=cut
2139		3147
2140	#############################################################################	3148	#############################################################################
		3149	# the server's init and main functions
2141		3150
2142	=head2 EXTENSION DATABASE SUPPORT	3151	sub load_facedata($) {
		3152	my ($path) = @_;
2143		3153
2144	Crossfire maintains a very simple database for extension use. It can	3154	# HACK to clear player env face cache, we need some signal framework
2145	currently store anything that can be serialised using Storable, which	3155	# for this (global event?)
2146	excludes objects.	3156	%ext::player_env::MUSIC_FACE_CACHE = ();
2147		3157
2148	The parameter C<$family> should best start with the name of the extension	3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2149	using it, it should be unique.
2150		3159
2151	=over 4	3160	warn "loading facedata from $path\n";
2152		3161
2153	=item $hashref = cf::db_get $family	3162	my $facedata;
		3163	0 < aio_load $path, $facedata
		3164	or die "$path: $!";
2154		3165
2155	Return a hashref for use by the extension C<$family>, which can be	3166	$facedata = Coro::Storable::thaw $facedata;
2156	modified. After modifications, you have to call C<cf::db_dirty> or
2157	C<cf::db_sync>.
2158		3167
2159	=item $value = cf::db_get $family => $key	3168	$facedata->{version} == 2
		3169	or cf::cleanup "$path: version mismatch, cannot proceed.";
2160		3170
2161	Returns a single value from the database	3171	# patch in the exptable
2162		3172	$facedata->{resource}{"res/exp_table"} = {
2163	=item cf::db_put $family => $hashref	3173	type => FT_RSRC,
2164		3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2165	Stores the given family hashref into the database. Updates are delayed, if
2166	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2167
2168	=item cf::db_put $family => $key => $value
2169
2170	Stores the given C<$value> in the family hash. Updates are delayed, if you
2171	want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173	=item cf::db_dirty
2174
2175	Marks the database as dirty, to be updated at a later time.
2176
2177	=item cf::db_sync
2178
2179	Immediately write the database to disk I<if it is dirty>.
2180
2181	=cut
2182
2183	our $DB;
2184
2185	{
2186	my $path = cf::localdir . "/database.pst";
2187
2188	sub db_load() {
2189	$DB = stat $path ? Storable::retrieve $path : { };
2190	}	3175	};
		3176	cf::cede_to_tick;
2191		3177
2192	my $pid;
2193
2194	sub db_save() {
2195	waitpid $pid, 0 if $pid;
2196	if (0 == ($pid = fork)) {
2197	$DB->{_meta}{version} = 1;
2198	Storable::nstore $DB, "$path~";
2199	rename "$path~", $path;
2200	cf::_exit 0 if defined $pid;
2201	}
2202	}	3178	{
		3179	my $faces = $facedata->{faceinfo};
2203		3180
2204	my $dirty;	3181	while (my ($face, $info) = each %$faces) {
		3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205		3183
2206	sub db_sync() {	3184	cf::face::set_visibility $idx, $info->{visibility};
2207	db_save if $dirty;	3185	cf::face::set_magicmap $idx, $info->{magicmap};
2208	undef $dirty;	3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2209	}	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210		3188
2211	my $idle = Event->idle (	3189	cf::cede_to_tick;
2212	reentrant => 0,
2213	min => 10,
2214	max => 20,
2215	repeat => 0,
2216	data => WF_AUTOCANCEL,
2217	cb => \&db_sync,
2218	);
2219
2220	sub db_dirty() {
2221	$dirty = 1;
2222	$idle->start;
2223	}
2224
2225	sub db_get($;$) {
2226	@_ >= 2
2227	? $DB->{$_[0]}{$_[1]}
2228	: ($DB->{$_[0]} ||= { })
2229	}
2230
2231	sub db_put($$;$) {
2232	if (@_ >= 3) {
2233	$DB->{$_[0]}{$_[1]} = $_[2];
2234	} else {
2235	$DB->{$_[0]} = $_[1];
2236	}
2237	db_dirty;
2238	}
2239
2240	cf::global->attach (
2241	prio => 10000,
2242	on_cleanup => sub {
2243	db_sync;
2244	},	3190	}
2245	);
2246	}
2247		3191
2248	#############################################################################	3192	while (my ($face, $info) = each %$faces) {
2249	# the server's main()	3193	next unless $info->{smooth};
2250		3194
2251	sub cfg_load {	3195	my $idx = cf::face::find $face
		3196	or next;
		3197
		3198	if (my $smooth = cf::face::find $info->{smooth}) {
		3199	cf::face::set_smooth $idx, $smooth;
		3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3201	} else {
		3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3203	}
		3204
		3205	cf::cede_to_tick;
		3206	}
		3207	}
		3208
		3209	{
		3210	my $anims = $facedata->{animinfo};
		3211
		3212	while (my ($anim, $info) = each %$anims) {
		3213	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	cf::anim::invalidate_all; # d'oh
		3218	}
		3219
		3220	{
		3221	# TODO: for gcfclient pleasure, we should give resources
		3222	# that gcfclient doesn't grok a >10000 face index.
		3223	my $res = $facedata->{resource};
		3224
		3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
		3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3228	my $data;
		3229
		3230	if ($info->{type} & 1) {
		3231	# prepend meta info
		3232
		3233	my $meta = $enc->encode ({
		3234	name => $name,
		3235	%{ $info->{meta} || {} },
		3236	});
		3237
		3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
		3245	} else {
		3246	$RESOURCE{$name} = $info;
		3247	}
		3248
		3249	cf::cede_to_tick;
		3250	}
		3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3254
		3255	1
		3256	}
		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
		3277
		3278	register_exticmd fx_want => sub {
		3279	my ($ns, $want) = @_;
		3280
		3281	while (my ($k, $v) = each %$want) {
		3282	$ns->fx_want ($k, $v);
		3283	}
		3284	};
		3285
		3286	sub load_resource_file($) {
		3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
		3295
		3296	sub reload_regions {
		3297	# HACK to clear player env face cache, we need some signal framework
		3298	# for this (global event?)
		3299	%ext::player_env::MUSIC_FACE_CACHE = ();
		3300
		3301	load_resource_file "$MAPDIR/regions"
		3302	or die "unable to load regions file\n";
		3303
		3304	for (cf::region::list) {
		3305	$_->{match} = qr/$_->{match}/
		3306	if exists $_->{match};
		3307	}
		3308	}
		3309
		3310	sub reload_facedata {
		3311	load_facedata "$DATADIR/facedata"
		3312	or die "unable to load facedata\n";
		3313	}
		3314
		3315	sub reload_archetypes {
		3316	load_resource_file "$DATADIR/archetypes"
		3317	or die "unable to load archetypes\n";
		3318	}
		3319
		3320	sub reload_treasures {
		3321	load_resource_file "$DATADIR/treasures"
		3322	or die "unable to load treasurelists\n";
		3323	}
		3324
		3325	sub reload_resources {
		3326	warn "reloading resource files...\n";
		3327
		3328	reload_facedata;
		3329	reload_archetypes;
		3330	reload_regions;
		3331	reload_treasures;
		3332
		3333	warn "finished reloading resource files\n";
		3334	}
		3335
		3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
		3341	reload_resources;
		3342	}
		3343
		3344	sub reload_config {
2252	open my $fh, "<:utf8", cf::confdir . "/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
2253	or return;	3346	or return;
2254		3347
2255	local $/;	3348	local $/;
2256	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
2257		3350
2258	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2259		3352
2260	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2261	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2267	};	3360	};
2268	warn $@ if $@;	3361	warn $@ if $@;
2269	}	3362	}
2270	}	3363	}
2271		3364
		3365	sub pidfile() {
		3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
		3382	}
		3383
2272	sub main {	3384	sub main {
		3385	atomic;
		3386
2273	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
2274	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
2275	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2276	(async {	3390	(async {
2277	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
2278	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
2279	};	3394	};
2280		3395
2281	cfg_load;	3396	{
2282	db_load;	3397	my $guard = freeze_mainloop;
		3398	reload_config;
		3399	db_init;
2283	load_extensions;	3400	load_extensions;
2284		3401
2285	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
2286	Event::loop;	3410	EV::loop;
2287	}	3411	}
2288		3412
2289	#############################################################################	3413	#############################################################################
2290	# initialisation and cleanup	3414	# initialisation and cleanup
2291		3415
2292	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
2293	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
2294	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
2295	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2296	reentrant => 0,
2297	data => WF_AUTOCANCEL,
2298	signal => $signal,
2299	prio => 0,
2300	cb => sub {
2301	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
2302	},
2303	);	3422	};
		3423	}
		3424	}
		3425
		3426	sub write_runtime_sync {
		3427	# first touch the runtime file to show we are still running:
		3428	# the fsync below can take a very very long time.
		3429
		3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3431
		3432	my $guard = cf::lock_acquire "write_runtime";
		3433
		3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3435	or return;
		3436
		3437	my $value = $cf::RUNTIME + 90 + 10;
		3438	# 10 is the runtime save interval, for a monotonic clock
		3439	# 60 allows for the watchdog to kill the server.
		3440
		3441	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3442	and return;
		3443
		3444	# always fsync - this file is important
		3445	aio_fsync $fh
		3446	and return;
		3447
		3448	# touch it again to show we are up-to-date
		3449	aio_utime $fh, undef, undef;
		3450
		3451	close $fh
		3452	or return;
		3453
		3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3455	and return;
		3456
		3457	warn "runtime file written.\n";
		3458
2304	}	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
2305	}	3503	}
2306		3504
2307	sub emergency_save() {	3505	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
2309		3507
…		…
2315	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320	$pl->save;	3519	$pl->save;
2321	}	3520	}
2322	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
2323		3522
2324	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
2326	my $map = $cf::MAP{$path} or next;	3525	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3526	$map->valid or next;
2328	$map->save;	3527	$map->save;
2329	}	3528	}
2330	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
		3530
		3531	warn "begin emergency database checkpoint\n";
		3532	BDB::db_env_txn_checkpoint $DB_ENV;
		3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
2331	};	3538	};
2332		3539
2333	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
2334	}	3541	}
2335		3542
		3543	sub post_cleanup {
		3544	my ($make_core) = @_;
		3545
		3546	warn Carp::longmess "post_cleanup backtrace"
		3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
		3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
		3580
2336	sub reload() {	3581	sub do_reload_perl() {
2337	# can/must only be called in main	3582	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
2340	return;	3585	return;
2341	}	3586	}
2342		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
2343	warn "reloading...";	3591	warn "reloading...";
2344		3592
2345	warn "cancelling server ticker";	3593	warn "entering sync_job";
2346	$TICK_WATCHER->cancel;
2347		3594
		3595	cf::sync_job {
		3596	cf::write_runtime_sync; # external watchdog should not bark
2348	cf::emergency_save;	3597	cf::emergency_save;
		3598	cf::write_runtime_sync; # external watchdog should not bark
2349		3599
2350	eval {	3600	warn "syncing database to disk";
		3601	BDB::db_env_txn_checkpoint $DB_ENV;
		3602
2351	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2352		3604
2353	warn "syncing database to disk";
2354	cf::db_sync;
2355
2356	warn "cancelling all WF_AUTOCANCEL watchers";
2357	for (Event::all_watchers) {
2358	$_->cancel if $_->data & WF_AUTOCANCEL;
2359	}
2360
2361	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2362	for (;;) {	3606	while (IO::AIO::nreqs || BDB::nreqs) {
2363	IO::AIO::flush;	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2364	Coro::cede;
2365	last unless IO::AIO::nreqs;
2366	warn "iterate...";
2367	}
2368
2369	warn "cancelling all extension coros";
2370	$_->cancel for values %EXT_CORO;
2371	%EXT_CORO = ();
2372
2373	warn "removing commands";
2374	%COMMAND = ();
2375
2376	warn "removing ext commands";
2377	%EXTCMD = ();
2378
2379	warn "unloading/nuking all extensions";
2380	for my $pkg (@EXTS) {
2381	warn "... unloading $pkg";
2382
2383	if (my $cb = $pkg->can ("unload")) {
2384	eval {
2385	$cb->($pkg);
2386	1
2387	} or warn "$pkg unloaded, but with errors: $@";
2388	}	3608	}
2389		3609
2390	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
2391	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
2392	}	3612	%EXT_CORO = ();
2393		3613
2394	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
2395	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
2396	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2397		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
2398	warn "... unloading $k";	3623	warn "... unloading $pkg";
2399	delete $INC{$k};
2400		3624
2401	$k =~ s/\.pm$//;
2402	$k =~ s/\//::/g;
2403
2404	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
2405	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
2406	}	3634	}
2407		3635
2408	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
2409	}	3651	}
2410		3652
2411	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
2412	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
2413	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2414		3656
2415	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2416	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2417		3660
2418	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2419	# and global variables created in xs	3662	# and global variables created in xs
2420	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
2421		3664
2422	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
2423		3666
2424	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2425	require cf;	3668	require cf;
2426	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2427		3670
2428	warn "loading config and database again";	3671	warn "loading config and database again";
2429	cf::cfg_load;	3672	cf::reload_config;
2430	cf::db_load;
2431		3673
2432	warn "loading extensions";	3674	warn "loading extensions";
2433	cf::load_extensions;	3675	cf::load_extensions;
2434		3676
2435	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2436	_global_reattach;	3678	_global_reattach; # objects, sockets
2437	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2438	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
		3681	warn "reattaching attachments to players";
		3682	reattach $_ for values %PLAYER;
2439		3683
2440	warn "restarting server ticker";	3684	warn "leaving sync_job";
2441		3685
2442	$TICK_WATCHER->start;	3686	1
		3687	} or do {
		3688	warn $@;
		3689	cf::cleanup "error while reloading, exiting.";
		3690	};
		3691
		3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
		3695	};
		3696
		3697	our $RELOAD_WATCHER; # used only during reload
		3698
		3699	sub reload_perl() {
		3700	# doing reload synchronously and two reloads happen back-to-back,
		3701	# coro crashes during coro_state_free->destroy here.
		3702
		3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3704	do_reload_perl;
		3705	undef $RELOAD_WATCHER;
2443	};	3706	};
2444		3707	}
2445	if ($@) {
2446	warn $@;
2447	warn "error while reloading, exiting.";
2448	exit 1;
2449	}
2450
2451	warn "reloaded";
2452	};
2453
2454	our $RELOAD_WATCHER; # used only during reload
2455		3708
2456	register_command "reload" => sub {	3709	register_command "reload" => sub {
2457	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
2458		3711
2459	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
2460	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
2461		3714	async {
2462	# doing reload synchronously and two reloads happen back-to-back,	3715	$Coro::current->{desc} = "perl_reload";
2463	# coro crashes during coro_state_free->destroy here.
2464
2465	$RELOAD_WATCHER ||= Event->timer (
2466	reentrant => 0,
2467	after => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => sub {
2470	reload;	3716	reload_perl;
2471	undef $RELOAD_WATCHER;
2472	},
2473	);	3717	};
2474	}	3718	}
2475	};	3719	};
2476		3720
2477	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
2478		3722
2479	my $bug_warning = 0;	3723	my $bug_warning = 0;
2480		3724
2481	$TICK_WATCHER = Event->timer (	3725	our @WAIT_FOR_TICK;
2482	reentrant => 0,	3726	our @WAIT_FOR_TICK_BEGIN;
2483	parked => 1,	3727
2484	prio => 0,	3728	sub wait_for_tick {
2485	at => $NEXT_TICK || $TICK,	3729	return if tick_inhibit || $Coro::current == $Coro::main;
2486	data => WF_AUTOCANCEL,	3730
2487	cb => sub {	3731	my $signal = new Coro::Signal;
		3732	push @WAIT_FOR_TICK, $signal;
		3733	$signal->wait;
		3734	}
		3735
		3736	sub wait_for_tick_begin {
		3737	return if tick_inhibit || $Coro::current == $Coro::main;
		3738
		3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK_BEGIN, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub tick {
2488	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
2489	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2490	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
2491	return;	3748	return;
2492	}	3749	}
2493		3750
2494	$NOW = Event::time;
2495
2496	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
2497	$RUNTIME += $TICK;
2498	$NEXT_TICK += $TICK;
2499		3752
2500	$WAIT_FOR_TICK->broadcast;	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2501	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2502		3755	Coro::async_pool {
2503	Event::sweep;	3756	$Coro::current->{desc} = "runtime saver";
2504	Coro::cede_notself;
2505
2506	# my $AFTER = Event::time;
2507	# warn $AFTER - $NOW;#d#
2508
2509	# if we are delayed by four ticks or more, skip them all
2510	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2511
2512	$TICK_WATCHER->at ($NEXT_TICK);
2513	$TICK_WATCHER->start;
2514	},
2515	);
2516
2517	IO::AIO::max_poll_time $TICK * 0.1;
2518
2519	undef $Coro::AIO::WATCHER;
2520	$AIO_POLL_WATCHER = Event->io (
2521	reentrant => 0,
2522	fd => IO::AIO::poll_fileno,
2523	poll => 'r',
2524	prio => 6,
2525	data => WF_AUTOCANCEL,
2526	cb => \&IO::AIO::poll_cb,
2527	);
2528
2529	$WRITE_RUNTIME_WATCHER = Event->timer (
2530	reentrant => 0,
2531	data => WF_AUTOCANCEL,
2532	after => 1,
2533	interval => 10,
2534	prio => 6, # keep it lowest so it acts like a watchdog
2535	cb => Coro::unblock_sub {
2536	write_runtime	3757	write_runtime_sync
2537	or warn "ERROR: unable to write runtime file: $!";	3758	or warn "ERROR: unable to write runtime file: $!";
		3759	};
2538	},	3760	}
2539	);	3761
		3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3763	$sig->send;
		3764	}
		3765	while (my $sig = shift @WAIT_FOR_TICK) {
		3766	$sig->send;
		3767	}
		3768
		3769	$LOAD = ($NOW - $TICK_START) / $TICK;
		3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3771
		3772	if (0) {
		3773	if ($NEXT_TICK) {
		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
		3777	}
		3778	}
		3779	}
		3780
		3781	{
		3782	# configure BDB
		3783
		3784	BDB::min_parallel 8;
		3785	BDB::max_poll_reqs $TICK * 0.1;
		3786	$AnyEvent::BDB::WATCHER->priority (1);
		3787
		3788	unless ($DB_ENV) {
		3789	$DB_ENV = BDB::db_env_create;
		3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3795
		3796	cf::sync_job {
		3797	eval {
		3798	BDB::db_env_open
		3799	$DB_ENV,
		3800	$BDBDIR,
		3801	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3802	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3803	0666;
		3804
		3805	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3806	};
		3807
		3808	cf::cleanup "db_env_open(db): $@" if $@;
		3809	};
		3810	}
		3811
		3812	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3814	};
		3815	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3817	};
		3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3820	};
		3821	}
		3822
		3823	{
		3824	# configure IO::AIO
		3825
		3826	IO::AIO::min_parallel 8;
		3827	IO::AIO::max_poll_time $TICK * 0.1;
		3828	undef $AnyEvent::AIO::WATCHER;
		3829	}
		3830
		3831	my $_log_backtrace;
		3832
		3833	sub _log_backtrace {
		3834	my ($msg, @addr) = @_;
		3835
		3836	$msg =~ s/\n//;
		3837
		3838	# limit the # of concurrent backtraces
		3839	if ($_log_backtrace < 2) {
		3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
		3842	async {
		3843	$Coro::current->{desc} = "abt $msg";
		3844
		3845	my @bt = fork_call {
		3846	@addr = map { sprintf "%x", $_ } @addr;
		3847	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3848	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3849	or die "addr2line: $!";
		3850
		3851	my @funcs;
		3852	my @res = <$fh>;
		3853	chomp for @res;
		3854	while (@res) {
		3855	my ($func, $line) = splice @res, 0, 2, ();
		3856	push @funcs, "[$func] $line";
		3857	}
		3858
		3859	@funcs
		3860	};
		3861
		3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3864	LOG llevInfo, "[ABT] $_\n" for @bt;
		3865	--$_log_backtrace;
		3866	};
		3867	} else {
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] [suppressed]\n";
		3870	}
		3871	}
		3872
		3873	# load additional modules
		3874	use cf::pod;
2540		3875
2541	END { cf::emergency_save }	3876	END { cf::emergency_save }
2542		3877
2543	1	3878	1
2544		3879

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