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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 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 Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	85
		86	our $CONFDIR = confdir;
		87	our $DATADIR = datadir;
		88	our $LIBDIR = "$DATADIR/ext";
		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;
60		101
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	104	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	110	our $DB_ENV;
71		111
72	our %CFG;	112	our %CFG;
73		113
74	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
76		117
77	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		121
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $TICK_START; # for load detecting purposes
		129
86	binmode STDOUT;	130	binmode STDOUT;
87	binmode STDERR;	131	binmode STDERR;
88		132
89	# read virtual server time, if available	133	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
94	}	138	}
95		139
96	mkdir cf::localdir;	140	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		142
103	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
104		144
105	sub cf::map::normalise;	145	sub cf::map::normalise;
106		146
…		…
117	=item $cf::RUNTIME	157	=item $cf::RUNTIME
118		158
119	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
120	every server tick.	160	every server tick.
121		161
122	=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
123		165
124	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		170
127	=item $cf::NOW	171	=item $cf::NOW
128		172
129	The time of the last (current) server tick.	173	The time of the last (current) server tick.
130		174
131	=item $cf::TICK	175	=item $cf::TICK
132		176
133	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	189	=item %cf::CFG
136		190
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	192	from wherever your confdir points to.
139		193
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		195
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	197	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		205
146	=back	206	=back
147		207
148	=cut	208	=cut
149		209
150	BEGIN {	210	BEGIN {
…		…
152	my $msg = join "", @_;	212	my $msg = join "", @_;
153		213
154	$msg .= "\n"	214	$msg .= "\n"
155	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
156		216
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		218
159	utf8::encode $msg;
160	LOG llevError, $msg;	219	LOG llevError, $msg;
161	};	220	};
162	}	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#?
163		237
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		245
171	# 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
172	# within the Safe compartment.	247	# within the Safe compartment.
173	for my $pkg (qw(	248	for my $pkg (qw(
174	cf::global cf::attachable	249	cf::global cf::attachable
175	cf::object cf::object::player	250	cf::object cf::object::player
176	cf::client cf::player	251	cf::client cf::player
177	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
178	cf::map cf::party cf::region	254	cf::party cf::region
179	)) {	255	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	257	}
183		258
184	$Event::DIED = sub {	259	$EV::DIED = sub {
185	warn "error in event callback: @_";	260	warn "error in event callback: @_";
186	};	261	};
		262
		263	#############################################################################
187		264
188	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
189		266
190	=over 4	267	=over 4
191		268
…		…
210	$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;
211	$d	288	$d
212	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
213	}	290	}
214		291
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
218		293
219	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
220		295
221	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
222		297
223	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
		299
		300	=cut
		301
		302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		303
		304	sub encode_json($) { $json_coder->encode ($_[0]) }
		305	sub decode_json($) { $json_coder->decode ($_[0]) }
224		306
225	=item cf::lock_wait $string	307	=item cf::lock_wait $string
226		308
227	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
228		310
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
234	returned.	316	returned.
235		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
236	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
237	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
238		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
239	=cut	328	=cut
240		329
241	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
242		332
243	sub lock_wait($) {	333	sub lock_wait($) {
244	my ($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#
245		340
246	# wait for lock, if any	341	# wait for lock, if any
247	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	344	Coro::schedule;
…		…
255		350
256	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
257	lock_wait $key;	352	lock_wait $key;
258		353
259	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
260		356
261	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
264	}	361	}
265	}	362	}
266		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
267	sub freeze_mainloop {	370	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
269		372
270	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
271	$TICK_WATCHER->start;	374	}
		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($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
272	};	434	}
273	$TICK_WATCHER->stop;	435	};
274	$guard	436
		437	sub get_slot($;$$) {
		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	$sig->wait;
275	}	449	}
276		450
277	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
278		452
279	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		458
285	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
286		460
287	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
288		462
289	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
292		467
293	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
296	fast or be very important.	471	fast or be very important.
…		…
299		474
300	sub sync_job(&) {	475	sub sync_job(&) {
301	my ($job) = @_;	476	my ($job) = @_;
302		477
303	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
304	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
306		483
307	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	485
309	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
310		487
311	my $busy = 1;	488	my $busy = 1;
312	my @res;	489	my @res;
313		490
314	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	493	@res = eval { $job->() };
316	warn $@ if $@;	494	warn $@ if $@;
317	undef $busy;	495	undef $busy;
318	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
319		497
320	while ($busy) {	498	while ($busy) {
321	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
322	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
323		509
324	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
325	} else {	511	} else {
326	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
327		513
…		…
347	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
348		534
349	$coro	535	$coro
350	}	536	}
351		537
352	sub write_runtime {	538	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		539
355	my $runtime = cf::localdir . "/runtime";	540	Executes the given code block with the given arguments in a seperate
		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.
356		544
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	=cut
358	or return;
359		546
360	my $value = $cf::RUNTIME + 90 + 10;	547	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	548	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		549
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	# we seemingly have to make a local copy of the whole thing,
365	and return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
366		553
367	# always fsync - this file is important	554	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	555	reset_signals;
369	and return;	556	&$cb
		557	}, @args;
370		558
371	close $fh	559	wantarray ? @res : $res[-1]
372	or return;	560	}
373		561
374	aio_rename "$runtime~", $runtime	562	=item $coin = coin_from_name $name
375	and return;
376		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		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($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
377	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		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"
378	}	714	}
379		715
380	=item cf::datalog type => key => value, ...	716	=item cf::datalog type => key => value, ...
381		717
382	Log a datalog packet of the given type with the given key-value pairs.	718	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		730
395	#############################################################################	731	#############################################################################
396		732
397	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
398		734
399	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
400	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")
401	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
402		738
403	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>
404	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
405	crossfire+).	741	Deliantra).
406		742
407	=over 4	743	=over 4
408		744
409	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
410		746
…		…
454	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
455		791
456	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
458		794
459	Some classes such as crossfire maps and objects can specify attachments	795	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		797
462	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
463		799
464	=over 4	800	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
574		910
575	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		915
580	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	917	my $pkg = shift @arg;
582		918
583	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
613	}	949	}
614		950
615	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
616	} else {	952	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	954	}
619		955
620	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
621	}	957	}
622		958
…		…
624	if (ref $_[0]) {	960	if (ref $_[0]) {
625	_object_attach @_;	961	_object_attach @_;
626	} else {	962	} else {
627	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
628	}	964	}
		965	_recalc_want;
629	};	966	};
630		967
631	# all those should be optimised	968	# all those should be optimised
632	sub cf::attachable::detach {	969	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
637	reattach ($obj);	974	reattach ($obj);
638	} else {	975	} else {
639	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
640	}	977	}
		978	_recalc_want;
641	};	979	};
642		980
643	sub cf::attachable::attached {	981	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
645		983
…		…
660	";	998	";
661	die if $@;	999	die if $@;
662	}	1000	}
663		1001
664	our $override;	1002	our $override;
665	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?
666		1004
667	sub override {	1005	sub override {
668	$override = 1;	1006	$override = 1;
669	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
670	}	1008	}
671		1009
672	sub do_invoke {	1010	sub do_invoke {
673	my $event = shift;	1011	my $event = shift;
674	my $callbacks = shift;	1012	my $callbacks = shift;
675		1013
676	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
677		1015
678	local $override;	1016	local $override;
679		1017
680	for (@$callbacks) {	1018	for (@$callbacks) {
681	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
690	}	1028	}
691		1029
692	0	1030	0
693	}	1031	}
694		1032
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1034
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1036
699	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
700		1038
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1042
705	=back	1043	=back
706		1044
707	=cut	1045	=cut
708		1046
709	#############################################################################	1047	#############################################################################
710	# 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, $ob2
		1090	}
711		1091
712	sub reattach {	1092	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1094	my ($obj) = @_;
715		1095
		1096	# no longer needed after getting rid of delete_package?
716	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
717		1098
718	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
719		1100
720	@$registry = ();	1101	@$registry = ();
721		1102
…		…
736	cf::attachable->attach (	1117	cf::attachable->attach (
737	prio => -1000000,	1118	prio => -1000000,
738	on_instantiate => sub {	1119	on_instantiate => sub {
739	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
740		1121
741	$data = from_json $data;	1122	$data = decode_json $data;
742		1123
743	for (@$data) {	1124	for (@$data) {
744	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
745		1126
746	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1143	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
764		1145
765	sync_job {	1146	sync_job {
766	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
769		1151
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1156	aio_close $fh;
775		1157
776	if (@$objs) {	1158	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1164	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
784	}	1166	}
785	} else {	1167	} else {
786	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
787	}	1169	}
…		…
792	}	1174	}
793	} else {	1175	} else {
794	aio_unlink $filename;	1176	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
796	}	1178	}
797	}	1179	};
798	}	1180	}
799		1181
800	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
802		1184
…		…
814	or return;	1196	or return;
815		1197
816	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
818	or return;	1200	or return;
		1201
819	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
820	}	1204	}
821		1205
		1206	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
824	return ($data, $av);	1210	($data, $av)
825	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
826		1218
827	#############################################################################	1219	#############################################################################
828	# command handling &c	1220	# command handling &c
829		1221
830	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1236	}
845		1237
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1239
848	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.
849		1245
850	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
851	called.	1247	called.
852		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
853	=cut	1260	=cut
854		1261
855	sub register_extcmd {	1262	sub register_extcmd {
856	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
857		1264
858	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
859	}	1272	}
860		1273
861	cf::player->attach (	1274	cf::player->attach (
862	on_command => sub {	1275	on_command => sub {
863	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1285	cf::override;
873	},	1286	},
874	on_extcmd => sub {	1287	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
876		1289
877	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1291
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
885	} else {	1307	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1309	}
888		1310
889	cf::override;	1311	cf::override;
890	},	1312	},
891	);	1313	);
892		1314
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
928	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1320	next unless -r $path;
930	eval {	1321
931	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	$progress = 1;
932	1	1378	}
933	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
934	}	1384	};
935	}	1385	}
936		1386
937	#############################################################################	1387	#############################################################################
938		1388
		1389	=back
		1390
939	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
940		1392
941	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
942		1394
943	=cut	1395	=cut
944		1396
945	package cf::player;	1397	package cf::player;
946		1398
…		…
948		1400
949	=head3 cf::player	1401	=head3 cf::player
950		1402
951	=over 4	1403	=over 4
952		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
953	=item cf::player::find $login	1419	=item cf::player::find $login
954		1420
955	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
956		1422
957	=cut	1423	=cut
958		1424
959	sub playerdir($) {	1425	sub playerdir($) {
960	cf::localdir	1426	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1428	}
966		1429
967	sub path($) {	1430	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
999		1462
1000	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1003	}	1472	}
1004	}	1473	}
1005	}	1474	}
1006		1475
…		…
1015	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1016		1485
1017	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1019		1488
		1489	cf::get_slot 0.01;
		1490
1020	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1021	Coro::cede;	1492	cf::cede_to_tick;
1022	}	1493	}
1023		1494
1024	sub new($) {	1495	sub new($) {
1025	my ($login) = @_;	1496	my ($login) = @_;
1026		1497
…		…
1032	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1033		1504
1034	$self	1505	$self
1035	}	1506	}
1036		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
1037	=item $pl->quit_character	1518	=item $pl->quit_character
1038		1519
1039	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1041		1522
…		…
1045	my ($pl) = @_;	1526	my ($pl) = @_;
1046		1527
1047	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1048		1529
1049	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1050	$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
1051		1532
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1056		1539
1057	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1089		1572
1090	=cut	1573	=cut
1091		1574
1092	sub list_logins {	1575	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1577	or return [];
1095		1578
1096	my @logins;	1579	my @logins;
1097		1580
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1102		1591
1103	utf8::decode $login;	1592	utf8::decode $login;
1104	push @logins, $login;	1593	push @logins, $login;
1105	}	1594	}
1106		1595
…		…
1133	}	1622	}
1134		1623
1135	\@paths	1624	\@paths
1136	}	1625	}
1137		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1628
		1629	Expand deliantra pod fragments into protocol xml.
		1630
1138	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1139		1632
1140	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1141		1634
1142	=cut	1635	=cut
1143		1636
1144	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1146		1639
1147	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1641	}
1151		1642
1152	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1153		1644
1154	Sends an ext event to the client.	1645	Sends an ext event to the client.
1155		1646
1156	=cut	1647	=cut
1157		1648
1158	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1160		1651
1161	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1162	}	1653	}
1163		1654
1164	=head3 cf::region	1655	=head3 cf::region
1165		1656
1166	=over 4	1657	=over 4
…		…
1169		1660
1170	package cf::region;	1661	package cf::region;
1171		1662
1172	=item cf::region::find_by_path $path	1663	=item cf::region::find_by_path $path
1173		1664
1174	Tries to decuce the probable region for a map knowing only its path.	1665	Tries to decuce the likely region for a map knowing only its path.
1175		1666
1176	=cut	1667	=cut
1177		1668
1178	sub find_by_path($) {	1669	sub find_by_path($) {
1179	my ($path) = @_;	1670	my ($path) = @_;
1180		1671
1181	my ($match, $specificity);	1672	my ($match, $specificity);
1182		1673
1183	for my $region (list) {	1674	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1187	}	1678	}
1188	}	1679	}
1189		1680
…		…
1210	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1212		1703
1213	sub generate_random_map {	1704	sub generate_random_map {
1214	my ($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
1215	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1710	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1254		1748
1255	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1256	local $self->{path};	1750	local $self->{path};
1257	local $self->{load_path};	1751	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1752
1261	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1262	}	1754	}
1263		1755
1264	sub normalise {	1756	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1312	return $self;	1804	return $self;
1313	}	1805	}
1314	}	1806	}
1315		1807
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1809	()
1318	}	1810	}
1319		1811
1320	sub init {	1812	sub init {
1321	my ($self) = @_;	1813	my ($self) = @_;
…		…
1336		1828
1337	# the original (read-only) location	1829	# the original (read-only) location
1338	sub load_path {	1830	sub load_path {
1339	my ($self) = @_;	1831	my ($self) = @_;
1340		1832
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1342	}	1834	}
1343		1835
1344	# the temporary/swap location	1836	# the temporary/swap location
1345	sub save_path {	1837	sub save_path {
1346	my ($self) = @_;	1838	my ($self) = @_;
1347		1839
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1350	}	1842	}
1351		1843
1352	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1353	sub uniq_path {	1845	sub uniq_path {
1354	my ($self) = @_;	1846	my ($self) = @_;
1355		1847
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1358	}	1850	}
1359		1851
1360	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1361	# all maps in C++...	1853	# all maps in C++...
1362	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1364		1856
1365	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1367	}	1859	}
1368		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1369	sub unlink_save {	1869	sub unlink_save {
1370	my ($self) = @_;	1870	my ($self) = @_;
1371		1871
1372	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1876
1377	sub load_header_from($) {	1877	sub load_header_from($) {
1378	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1379		1879
1380	utf8::encode $path;	1880	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1386		1889
1387	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1388		1891
1389	1	1892	1
1390	}	1893	}
…		…
1429	$self->load_header_orig	1932	$self->load_header_orig
1430	or return;	1933	or return;
1431	$self->prepare_orig;	1934	$self->prepare_orig;
1432	}	1935	}
1433		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
1434	$self->default_region (cf::region::find_by_path $self->{path})	1940	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1941	unless $self->default_region;
1436		1942
1437	1	1943	1
1438	}	1944	}
…		…
1441	sub find {	1947	sub find {
1442	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1443		1949
1444	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1445		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1447		1954
1448	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1449	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1450	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1451	or return;	1960	or return;
1452		1961
1453	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1454		1963
1455	$map->load_header	1964	$map->load_header
1456	or return;	1965	or return;
1457		1966
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1461	$map->reset;	1972	$map->reset;
1462	undef $guard;
1463	return find $path;	1973	return find $path;
1464	}	1974	}
1465		1975
1466	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1467	}	1977	}
…		…
1474	my ($self) = @_;	1984	my ($self) = @_;
1475		1985
1476	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1477		1987
1478	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1480		1992
		1993	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		1995
1483	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1484		1997
1485	$self->alloc;	1998	$self->alloc;
1486		1999
1487	$self->pre_load;	2000	$self->pre_load;
1488	Coro::cede;	2001	cf::cede_to_tick;
1489		2002
1490	$self->_load_objects ($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)
1491	or return;	2006	or return;
1492		2007
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1494	if delete $self->{load_original};	2009	if delete $self->{load_original};
1495		2010
1496	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2012	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2015	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1501	}	2019	}
1502	}	2020	}
1503		2021
1504	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1505	# now do the right thing for maps	2025	# now do the right thing for maps
1506	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2028	unless $self->difficulty;
1517	Coro::cede;	2029	cf::cede_to_tick;
		2030
		2031	unless ($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;
1518	$self->activate;	2038	$self->activate;
1519	Coro::cede;	2039	}
		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
		2044	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2045	}
1521		2046
1522	$self->post_load;	2047	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2048	}
1527		2049
1528	sub customise_for {	2050	sub customise_for {
1529	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1530		2052
1531	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2054	if $self->per_player;
1533		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1534	$self	2059	$self
1535	}	2060	}
1536		2061
1537	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2063	sub load_neighbours {
1539	my ($map) = @_;	2064	my ($map) = @_;
1540		2065
1541	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1542		2067
1543	for (0 .. 3) {	2068	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1545	or next;	2070	or next;
1546	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1547	or next;	2072	or next;
1548	$neigh->load;	2073	$neigh->load;
1549		2074
		2075	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2078	}
1553		2079
1554	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1556	or next;	2083	or next;
1557	$neigh->load;	2084	$neigh->load;
1558	}	2085	}
1559	}	2086	}
1560		2087
…		…
1565	}	2092	}
1566		2093
1567	sub do_load_sync {	2094	sub do_load_sync {
1568	my ($map) = @_;	2095	my ($map) = @_;
1569		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1570	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1571	}	2101	}
1572		2102
1573	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1575		2105
1576	sub find_async {	2106	sub find_async {
1577	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1578		2108
1579	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1580		2110
1581	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2113	}
1584		2114
1585	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1586	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1587	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2122	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2123	$map->load if $v;
		2124	}
1592		2125
1593	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1594	}	2127	}
1595	}	2128	}
1596	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1597	};	2130	};
1598	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2134	}
1602		2135
1603	sub save {	2136	sub save {
1604	my ($self) = @_;	2137	my ($self) = @_;
1605		2138
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2140
1608	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1609		2142
1610	return unless $self->dirty;	2143	return unless $self->dirty;
1611		2144
…		…
1617	return if $self->{deny_save};	2150	return if $self->{deny_save};
1618		2151
1619	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1620		2153
1621	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1623	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1624		2160
1625	if ($uniq) {	2161	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2164	} else {
…		…
1634	my ($self) = @_;	2170	my ($self) = @_;
1635		2171
1636	# save first because save cedes	2172	# save first because save cedes
1637	$self->save;	2173	$self->save;
1638		2174
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2176
1641	return if $self->players;	2177	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2179	return if $self->{deny_save};
1644		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2185	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2186	}
1648		2187
1649	sub reset_at {	2188	sub reset_at {
1650	my ($self) = @_;	2189	my ($self) = @_;
1651		2190
1652	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1655		2193
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2196
…		…
1669	my ($self) = @_;	2207	my ($self) = @_;
1670		2208
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2210
1673	return if $self->players;	2211	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2212
1676	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1677		2214
1678	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1679		2216
1680	# need to save uniques path	2217	# need to save uniques path
1681	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2222	if $uniq;
1686	}	2223	}
1687		2224
1688	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1689		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2229	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2230
1694	$self->unlink_save;	2231	$self->unlink_save;
1695	$self->destroy;	2232	$self->destroy;
1696	}	2233	}
1697		2234
1698	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1699		2236
1700	sub nuke {	2237	sub nuke {
1701	my ($self) = @_;	2238	my ($self) = @_;
1702		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1703	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1704		2244
1705	$self->unlink_save;	2245	$self->unlink_save;
1706		2246
1707	bless $self, "cf::map";	2247	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2252
1713	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1714		2255
1715	$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	]
1716	}	2293	}
1717		2294
1718	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1719		2296
1720	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2298	instantiated unique items. May block.
1722		2299
1723	=cut	2300	=cut
1724		2301
1725	sub unique_maps() {	2302	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1727	or return;	2304	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2305	utf8::decode $_;
1733	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2308	? ()
1736	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2311	]
1738
1739	\@paths
1740	}	2312	}
1741
1742	package cf;
1743		2313
1744	=back	2314	=back
1745		2315
1746	=head3 cf::object	2316	=head3 cf::object
1747		2317
…		…
1751		2321
1752	=over 4	2322	=over 4
1753		2323
1754	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1755		2325
1756	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.
1757		2328
1758	=cut	2329	=cut
1759		2330
1760	sub inv_recursive_;	2331	sub inv_recursive_;
1761	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1764		2335
1765	sub inv_recursive {	2336	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1767	}	2338	}
1768		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
1769	package cf;	2368	package cf;
1770		2369
1771	=back	2370	=back
1772		2371
1773	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1779	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>
1780	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
1781	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1782		2381
1783	=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	};
1784		2397
1785	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2399	# with dialog boxes.
1787	#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
1788	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1790		2403
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2405
1793	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1795	} 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 {
1796	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1798	}	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 (@_);
1799	}	2431	}
1800		2432
1801	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1802		2434
1803	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1816		2448
1817	=item $player_object->enter_link	2449	=item $player_object->enter_link
1818		2450
1819	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}>).
1820		2452
1821	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.
1822	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.
1823		2457
1824	Will never block.	2458	Will never block.
1825		2459
1826	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1827		2461
…		…
1850	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1851		2485
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2487
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1856		2490
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2492	}
1859		2493
1860	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1862		2498
1863	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1864		2500
1865	unless ($map) {	2501	unless ($map) {
1866	# restore original map position	2502	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1883		2519
1884	$map->load;	2520	$map->load;
1885	$map->load_diag;	2521	$map->load_neighbours;
1886		2522
1887	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1888	$self->activate_recursive;	2525	$self->activate_recursive;
1889		2526
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1892	}	2529	}
1893		2530
1894	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2532
1898	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1902	};	2537	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2538
1908	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1909	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2541
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1929		2545
1930	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1931	my ($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;
1932		2551
1933	$self->enter_link;	2552	$self->enter_link;
1934		2553
1935	(async {	2554	(async {
		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
1936	my $map = eval {	2576	my $map = eval {
1937	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2580	$map = $map->customise_for ($self);
		2581	$map = $check->($map) if $check && $map;
		2582	} else {
		2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2584	}
		2585
1939	$map	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 $@;
1940	} or	2592	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1944	})->prio (1);	2600	})->prio (1);
1945	}	2601	}
1946		2602
1947	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1948		2604
…		…
1968	}	2624	}
1969		2625
1970	sub prepare_random_map {	2626	sub prepare_random_map {
1971	my ($exit) = @_;	2627	my ($exit) = @_;
1972		2628
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2631	# that depends on the exit object
1978		2632
1979	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2635	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1986	}	2642	}
1987		2643
1988	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1989		2645
1990	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1993		2649
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2652	undef $fh;
1997	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1998		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2001	}	2661	}
2002	}	2662	}
2003		2663
2004	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2006		2666
2007	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2008		2668
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2669	$self->enter_link;
2021		2670
2022	(async {	2671	(async {
2023	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2024	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
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2025	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2026		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
2027	1;	2695	1
2028	}) {	2696	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "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. "
2031	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2701
2034	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
…		…
2053		2721
2054	utf8::encode $text;	2722	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2724	}
2057		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
2058	=item $client->ext_event ($type, %msg)	2871	=item $client->ext_msg ($type, @msg)
2059		2872
2060	Sends an exti event to the client.	2873	Sends an ext event to the client.
2061		2874
2062	=cut	2875	=cut
2063		2876
2064	sub cf::client::ext_event($$%) {	2877	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2878	my ($self, $type, @msg) = @_;
2066		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2882	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2883	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2069	}	2904	}
2070		2905
2071	=item $success = $client->query ($flags, "text", \&cb)	2906	=item $success = $client->query ($flags, "text", \&cb)
2072		2907
2073	Queues a query to the client, calling the given callback with	2908	Queues a query to the client, calling the given callback with
2074	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>,
2075	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>.
2076		2911
2077	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
2078	reliable at some point in the future.	2913	become reliable at some point in the future.
2079		2914
2080	=cut	2915	=cut
2081		2916
2082	sub cf::client::query {	2917	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2918	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2926	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2927	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2928
2094	$self->send_packet ($self->{query_queue}[0][0])	2929	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2930	if @{ $self->{query_queue} } == 1;
		2931
		2932	1
2096	}	2933	}
2097		2934
2098	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	},
2099	on_reply => sub {	2941	on_reply => sub {
2100	my ($ns, $msg) = @_;	2942	my ($ns, $msg) = @_;
2101		2943
2102	# this weird shuffling is so that direct followup queries	2944	# this weird shuffling is so that direct followup queries
2103	# get handled first	2945	# get handled first
…		…
2115	} else {	2957	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2959	}
2118	}	2960	}
2119	},	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	},
2120	);	2988	);
2121		2989
2122	=item $client->async (\&cb)	2990	=item $client->async (\&cb)
2123		2991
2124	Create a new coroutine, running the specified callback. The coroutine will	2992	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3033	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3034	our $safe_hole = new Safe::Hole;
2167		3035
2168	$SIG{FPE} = 'IGNORE';	3036	$SIG{FPE} = 'IGNORE';
2169		3037
2170	$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	));
2171		3043
2172	# here we export the classes and methods available to script code	3044	# here we export the classes and methods available to script code
2173		3045
2174	=pod	3046	=pod
2175		3047
2176	The following functions and methods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2177		3049
2178	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
2179	cf::object::player player	3054	cf::object::player
2180	cf::player peaceful	3055	player
2181	cf::map trigger	3056
		3057	cf::player
		3058	peaceful
		3059
		3060	cf::map
		3061	trigger
2182		3062
2183	=cut	3063	=cut
2184		3064
2185	for (	3065	for (
2186	["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)],
2187	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2190	) {	3072	) {
2191	no strict 'refs';	3073	no strict 'refs';
…		…
2262	=back	3144	=back
2263		3145
2264	=cut	3146	=cut
2265		3147
2266	#############################################################################	3148	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	3149	# the server's init and main functions
2437		3150
2438	sub load_facedata($) {	3151	sub load_facedata($) {
2439	my ($path) = @_;	3152	my ($path) = @_;
		3153
		3154	# HACK to clear player env face cache, we need some signal framework
		3155	# for this (global event?)
		3156	%ext::player_env::MUSIC_FACE_CACHE = ();
		3157
		3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3159
2441	warn "loading facedata from $path\n";	3160	warn "loading facedata from $path\n";
2442		3161
2443	my $facedata;	3162	my $facedata;
2444	0 < aio_load $path, $facedata	3163	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3166	$facedata = Coro::Storable::thaw $facedata;
2448		3167
2449	$facedata->{version} == 2	3168	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3169	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3170
		3171	# patch in the exptable
		3172	$facedata->{resource}{"res/exp_table"} = {
		3173	type => FT_RSRC,
		3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3175	};
		3176	cf::cede_to_tick;
		3177
2452	{	3178	{
2453	my $faces = $facedata->{faceinfo};	3179	my $faces = $facedata->{faceinfo};
2454		3180
2455	while (my ($face, $info) = each %$faces) {	3181	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3183
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3184	cf::face::set_visibility $idx, $info->{visibility};
		3185	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3188
		3189	cf::cede_to_tick;
2461	}	3190	}
2462		3191
2463	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3193	next unless $info->{smooth};
		3194
2465	my $idx = cf::face::find $face	3195	my $idx = cf::face::find $face
2466	or next;	3196	or next;
		3197
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3198	if (my $smooth = cf::face::find $info->{smooth}) {
		3199	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3201	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3203	}
2472	Coro::cede;	3204
		3205	cf::cede_to_tick;
2473	}	3206	}
2474	}	3207	}
2475		3208
2476	{	3209	{
2477	my $anims = $facedata->{animinfo};	3210	my $anims = $facedata->{animinfo};
2478		3211
2479	while (my ($anim, $info) = each %$anims) {	3212	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3213	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3214	cf::cede_to_tick;
2482	}	3215	}
2483		3216
2484	cf::anim::invalidate_all; # d'oh	3217	cf::anim::invalidate_all; # d'oh
2485	}	3218	}
2486		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
2487	1	3255	1
2488	}	3256	}
2489		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 $_->{match};
		3307	}
		3308	}
		3309
2490	sub reload_facedata {	3310	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3311	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3312	or die "unable to load facedata\n";
2493	}	3313	}
2494		3314
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3315	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3316	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3317	or die "unable to load archetypes\n";
2503	}	3318	}
2504		3319
2505	sub reload_treasures {	3320	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3321	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3322	or die "unable to load treasurelists\n";
2508	}	3323	}
2509		3324
2510	sub reload_resources {	3325	sub reload_resources {
2511	warn "reloading resource files...\n";	3326	warn "reloading resource files...\n";
2512		3327
2513	reload_regions;
2514	reload_facedata;	3328	reload_facedata;
2515	reload_archetypes;	3329	reload_archetypes;
		3330	reload_regions;
2516	reload_treasures;	3331	reload_treasures;
2517		3332
2518	warn "finished reloading resource files\n";	3333	warn "finished reloading resource files\n";
2519	}	3334	}
2520		3335
2521	sub init {	3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
2522	reload_resources;	3341	reload_resources;
2523	}	3342	}
2524		3343
2525	sub cfg_load {	3344	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3346	or return;
2528		3347
2529	local $/;	3348	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
2531		3350
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533		3352
2534	$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};
2535	$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};
…		…
2541	};	3360	};
2542	warn $@ if $@;	3361	warn $@ if $@;
2543	}	3362	}
2544	}	3363	}
2545		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
2546	sub main {	3384	sub main {
		3385	atomic;
		3386
2547	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
2549	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#
2550	(async {	3390	(async {
2551	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
2553	};	3394	};
2554		3395
2555	cfg_load;	3396	{
		3397	my $guard = freeze_mainloop;
		3398	reload_config;
2556	db_init;	3399	db_init;
2557	load_extensions;	3400	load_extensions;
2558		3401
2559	$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
2560	Event::loop;	3410	EV::loop;
2561	}	3411	}
2562		3412
2563	#############################################################################	3413	#############################################################################
2564	# initialisation and cleanup	3414	# initialisation and cleanup
2565		3415
2566	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
2567	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
2576	},
2577	);	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
2578	}	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 };
2579	}	3503	}
2580		3504
2581	sub emergency_save() {	3505	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
2583		3507
…		…
2589	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
2591	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3519	$pl->save;
2595	}	3520	}
2596	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
2597		3522
2598	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
2604	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
2605		3530
2606	warn "begin emergency database checkpoint\n";	3531	warn "begin emergency database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3532	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
2609	};	3538	};
2610		3539
2611	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
2612	}	3541	}
2613		3542
2614	sub post_cleanup {	3543	sub post_cleanup {
2615	my ($make_core) = @_;	3544	my ($make_core) = @_;
2616		3545
2617	warn Carp::longmess "post_cleanup backtrace"	3546	warn Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
2619	}	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
2620		3580
2621	sub do_reload_perl() {	3581	sub do_reload_perl() {
2622	# can/must only be called in main	3582	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
2624	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
2625	return;	3585	return;
2626	}	3586	}
2627		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
2628	warn "reloading...";	3591	warn "reloading...";
2629		3592
2630	warn "entering sync_job";	3593	warn "entering sync_job";
2631		3594
2632	cf::sync_job {	3595	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
2634	cf::emergency_save;	3597	cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2636		3599
2637	warn "syncing database to disk";	3600	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3602
2640	# 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
2641		3604
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3606	while (IO::AIO::nreqs || BDB::nreqs) {
2653	warn "iterate...";	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();
2661
2662	warn "removing commands";
2663	%COMMAND = ();
2664
2665	warn "removing ext commands";
2666	%EXTCMD = ();
2667
2668	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";
2671
2672	if (my $cb = $pkg->can ("unload")) {
2673	eval {
2674	$cb->($pkg);
2675	1
2676	} or warn "$pkg unloaded, but with errors: $@";
2677	}	3608	}
2678		3609
2679	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
2680	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
2681	}	3612	%EXT_CORO = ();
2682		3613
2683	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
2684	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
2687	warn "... unloading $k";	3623	warn "... unloading $pkg";
2688	delete $INC{$k};
2689		3624
2690	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;
2692
2693	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
2694	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
2695	}	3634	}
2696		3635
2697	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;
2698	}	3651	}
2699		3652
2700	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
2702	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);
2703		3656
2704	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2706		3660
2707	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3662	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
2710		3664
2711	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
2712		3666
2713	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2714	require cf;	3668	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716		3670
2717	warn "loading config and database again";	3671	warn "loading config and database again";
2718	cf::cfg_load;	3672	cf::reload_config;
2719		3673
2720	warn "loading extensions";	3674	warn "loading extensions";
2721	cf::load_extensions;	3675	cf::load_extensions;
2722		3676
2723	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2724	_global_reattach; # objects, sockets	3678	_global_reattach; # objects, sockets
2725	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2726	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
2727	warn "reattaching attachments to players";	3681	warn "reattaching attachments to players";
2728	reattach $_ for values %PLAYER;	3682	reattach $_ for values %PLAYER;
2729		3683
2730	warn "leaving sync_job";	3684	warn "leaving sync_job";
2731		3685
2732	1	3686	1
2733	} or do {	3687	} or do {
2734	warn $@;	3688	warn $@;
2735	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
2736	exit 1;
2737	};	3690	};
2738		3691
2739	warn "reloaded";	3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
2740	};	3695	};
2741		3696
2742	our $RELOAD_WATCHER; # used only during reload	3697	our $RELOAD_WATCHER; # used only during reload
2743		3698
2744	sub reload_perl() {	3699	sub reload_perl() {
2745	# doing reload synchronously and two reloads happen back-to-back,	3700	# doing reload synchronously and two reloads happen back-to-back,
2746	# coro crashes during coro_state_free->destroy here.	3701	# coro crashes during coro_state_free->destroy here.
2747		3702
2748	$RELOAD_WATCHER ||= Event->timer (	3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2749	reentrant => 0,
2750	after => 0,
2751	data => WF_AUTOCANCEL,
2752	cb => sub {
2753	do_reload_perl;	3704	do_reload_perl;
2754	undef $RELOAD_WATCHER;	3705	undef $RELOAD_WATCHER;
2755	},
2756	);	3706	};
2757	}	3707	}
2758		3708
2759	register_command "reload" => sub {	3709	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
2761		3711
2762	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
		3714	async {
		3715	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	3716	reload_perl;
		3717	};
2765	}	3718	}
2766	};	3719	};
2767		3720
2768	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
2769		3722
…		…
2771		3724
2772	our @WAIT_FOR_TICK;	3725	our @WAIT_FOR_TICK;
2773	our @WAIT_FOR_TICK_BEGIN;	3726	our @WAIT_FOR_TICK_BEGIN;
2774		3727
2775	sub wait_for_tick {	3728	sub wait_for_tick {
2776	return unless $TICK_WATCHER->is_active;
2777	return if $Coro::current == $Coro::main;	3729	return if tick_inhibit || $Coro::current == $Coro::main;
2778		3730
2779	my $signal = new Coro::Signal;	3731	my $signal = new Coro::Signal;
2780	push @WAIT_FOR_TICK, $signal;	3732	push @WAIT_FOR_TICK, $signal;
2781	$signal->wait;	3733	$signal->wait;
2782	}	3734	}
2783		3735
2784	sub wait_for_tick_begin {	3736	sub wait_for_tick_begin {
2785	return unless $TICK_WATCHER->is_active;
2786	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2787		3738
2788	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3740	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3741	$signal->wait;
2791	}	3742	}
2792		3743
2793	$TICK_WATCHER = Event->timer (	3744	sub tick {
2794	reentrant => 0,
2795	parked => 1,
2796	prio => 0,
2797	at => $NEXT_TICK || $TICK,
2798	data => WF_AUTOCANCEL,
2799	cb => sub {
2800	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
2801	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"
2802	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
2803	return;	3748	return;
2804	}	3749	}
2805		3750
2806	$NOW = Event::time;
2807
2808	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
2809		3752
2810	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;
2812
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2815	Coro::async_pool {	3755	Coro::async_pool {
		3756	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	3757	write_runtime_sync
2817	or warn "ERROR: unable to write runtime file: $!";	3758	or warn "ERROR: unable to write runtime file: $!";
2818	};
2819	}	3759	};
		3760	}
2820		3761
2821	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#
2823
2824	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2826
2827	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;
2829
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2831	$sig->send;	3763	$sig->send;
2832	}	3764	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {	3765	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;	3766	$sig->send;
2835	}
2836
2837	_post_tick;
2838	},	3767	}
2839	);	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	}
2840		3780
2841	{	3781	{
2842	BDB::max_poll_time $TICK * 0.1;	3782	# configure BDB
2843	$BDB_POLL_WATCHER = Event->io (	3783
2844	reentrant => 0,
2845	fd => BDB::poll_fileno,
2846	poll => 'r',
2847	prio => 0,
2848	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,
2850	);
2851	BDB::min_parallel 8;	3784	BDB::min_parallel 8;
2852		3785	BDB::max_poll_reqs $TICK * 0.1;
2853	BDB::set_sync_prepare {	3786	$AnyEvent::BDB::WATCHER->priority (1);
2854	my $status;
2855	my $current = $Coro::current;
2856	(
2857	sub {
2858	$status = $!;
2859	$current->ready; undef $current;
2860	},
2861	sub {
2862	Coro::schedule while defined $current;
2863	$! = $status;
2864	},
2865	)
2866	};
2867		3787
2868	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	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);
2870		3795
2871	cf::sync_job {	3796	cf::sync_job {
2872	eval {	3797	eval {
2873	BDB::db_env_open	3798	BDB::db_env_open
2874	$DB_ENV,	3799	$DB_ENV,
2875	$BDB_ENV_DIR,	3800	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3801	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3802	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3803	0666;
2879		3804
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3805	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	3806	};
2885		3807
2886	cf::cleanup "db_env_open(db): $@" if $@;	3808	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	3809	};
2888	}	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	};
2889	}	3821	}
2890		3822
2891	{	3823	{
		3824	# configure IO::AIO
		3825
2892	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
2893
2894	undef $Coro::AIO::WATCHER;
2895	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
2896	$AIO_POLL_WATCHER = Event->io (	3828	undef $AnyEvent::AIO::WATCHER;
2897	reentrant => 0,	3829	}
2898	data => WF_AUTOCANCEL,	3830
2899	fd => IO::AIO::poll_fileno,	3831	my $_log_backtrace;
2900	poll => 'r',	3832
2901	prio => 6,	3833	sub _log_backtrace {
2902	cb => \&IO::AIO::poll_cb,	3834	my ($msg, @addr) = @_;
2903	);	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	}
2904	}	3871	}
2905		3872
2906	# load additional modules	3873	# load additional modules
2907	use cf::pod;	3874	use cf::pod;
2908		3875

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