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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.513 by root, Mon Apr 12 05:22:38 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		180
116	#############################################################################	181	#############################################################################
117		182
118	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
119		184
…		…
155		220
156	The raw value load value from the last tick.	221	The raw value load value from the last tick.
157		222
158	=item %cf::CFG	223	=item %cf::CFG
159		224
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	226	from wherever your confdir points to.
162		227
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		229
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
169	=back	246	=back
170		247
171	=cut	248	=cut
172		249
173	BEGIN {	250	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	251	my $msg = join "", @_;
176		252
177	$msg .= "\n"	253	$msg .= "\n"
178	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
179		255
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		257
182	utf8::encode $msg;
183	LOG llevError, $msg;	258	LOG llevError, $msg;
184	};	259	};
185	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
186		274
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	285	for my $pkg (qw(
198	cf::global cf::attachable	286	cf::global cf::attachable
199	cf::object cf::object::player	287	cf::object cf::object::player
200	cf::client cf::player	288	cf::client cf::player
201	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
202	cf::map cf::party cf::region	291	cf::party cf::region
203	)) {	292	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	294	}
207		295
208	$Event::DIED = sub {	296	$EV::DIED = sub {
209	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
210	};	298	};
211		299
212	#############################################################################	300	#############################################################################
213		301
214	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	325	$d
238	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
239	}	327	}
240		328
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
244		330
245	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
246		332
247	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
248		334
249	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
250		336
		337	=cut
		338
		339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		340
		341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
251	=item cf::lock_wait $string	358	=item cf::lock_wait $string
252		359
253	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
254		361
255	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
256		363
257	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
260	returned.	367	returned.
261		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
262	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
264		374
265	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
266		376
267	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
268		378
269	=cut	379	=cut
270		380
271	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
272		382
273	sub lock_wait($) {	383	sub lock_wait($) {
274	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	385	}
282		386
283	sub lock_acquire($) {	387	sub lock_acquire($) {
284	my ($key) = @_;	388	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	389	}
296		390
297	sub lock_active($) {	391	sub lock_active($) {
298	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	393	}
302		394
303	sub freeze_mainloop {	395	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
305		397
306	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over timer.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
308	};	465	}
309	$TICK_WATCHER->stop;	466	};
310	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
311	}	481	}
312		482
313	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
314		484
315	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		490
321	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
322		492
323	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
324		494
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	496	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	498	acceptable.
329		499
330	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		506
337	sub sync_job(&) {	507	sub sync_job(&) {
338	my ($job) = @_;	508	my ($job) = @_;
339		509
340	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	511	my $time = AE::time;
342		512
343	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
345		515
346	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	517
348	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
349		519
350	my $busy = 1;	520	my $busy = 1;
351	my @res;	521	my @res;
352		522
353	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	525	@res = eval { $job->() };
355	warn $@ if $@;	526	warn $@ if $@;
356	undef $busy;	527	undef $busy;
357	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
358		529
359	while ($busy) {	530	while ($busy) {
360	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
361	}	535	}
		536	}
362		537
363	$time = Event::time - $time;	538	my $time = AE::time - $time;
364		539
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
369		541
370	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
371	} else {	543	} else {
372	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
373		545
…		…
398	=item fork_call { }, $args	570	=item fork_call { }, $args
399		571
400	Executes the given code block with the given arguments in a seperate	572	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	574	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
404		576
405	=cut	577	=cut
406		578
407	sub fork_call(&@) {	579	sub fork_call(&@) {
408	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
409		581
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	582	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	583	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	584	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		585
415	if (my $pid = fork) {	586	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	587	reset_signals;
428	local $SIG{__WARN__};	588	&$cb
429	local $SIG{__DIE__};	589	}, @args;
430	eval {
431	close $fh1;
432		590
433	my @res = eval { $cb->(@args) };	591	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	592	}
435	};
436		593
437	warn $@ if $@;	594	=item $coin = coin_from_name $name
438	_exit 0;	595
439	}	596	=cut
		597
		598	our %coin_alias = (
		599	"silver" => "silvercoin",
		600	"silvercoin" => "silvercoin",
		601	"silvercoins" => "silvercoin",
		602	"gold" => "goldcoin",
		603	"goldcoin" => "goldcoin",
		604	"goldcoins" => "goldcoin",
		605	"platinum" => "platinacoin",
		606	"platinumcoin" => "platinacoin",
		607	"platinumcoins" => "platinacoin",
		608	"platina" => "platinacoin",
		609	"platinacoin" => "platinacoin",
		610	"platinacoins" => "platinacoin",
		611	"royalty" => "royalty",
		612	"royalties" => "royalty",
		613	);
		614
		615	sub coin_from_name($) {
		616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
440	}	619	}
441		620
442	=item $value = cf::db_get $family => $key	621	=item $value = cf::db_get $family => $key
443		622
444	Returns a single value from the environment database.	623	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	625	=item cf::db_put $family => $key => $value
447		626
448	Stores the given C<$value> in the family. It can currently store binary	627	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	628	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		629
		630	=item $db = cf::db_table "name"
		631
		632	Create and/or open a new database table. The string must not be "db" and must be unique
		633	within each server.
		634
451	=cut	635	=cut
		636
		637	sub db_table($) {
		638	my ($name) = @_;
		639	my $db = BDB::db_create $DB_ENV;
		640
		641	eval {
		642	$db->set_flags (BDB::CHKSUM);
		643
		644	utf8::encode $name;
		645	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		646	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		647	cf::cleanup "db_open(db): $!" if $!;
		648	};
		649	cf::cleanup "db_open(db): $@" if $@;
		650
		651	$db
		652	}
452		653
453	our $DB;	654	our $DB;
454		655
455	sub db_init {	656	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	657	cf::sync_job {
460	eval {	658	$DB ||= db_table "db";
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}	659	};
470	}	660	}
471		661
472	sub db_get($$) {	662	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	663	my $key = "$_[0]/$_[1]";
474		664
…		…
524	if (1) {	714	if (1) {
525	$md5 =	715	$md5 =
526	join "\x00",	716	join "\x00",
527	$processversion,	717	$processversion,
528	map {	718	map {
529	Coro::cede;	719	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	720	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	721	} 0.. $#$src;
532		722
533		723
534	my $dbmd5 = db_get cache => "$id/md5";	724	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		762
573	#############################################################################	763	#############################################################################
574		764
575	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
576		766
577	Many objects in crossfire are so-called attachable objects. That means you can	767	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	768	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
580		770
581	In the following description, CLASS can be any of C<global>, C<object>	771	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	772	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	773	Deliantra).
584		774
585	=over 4	775	=over 4
586		776
587	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
588		778
…		…
632	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
633		823
634	Register an attachment by C<$name> through which attachable objects of the	824	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
636		826
637	Some classes such as crossfire maps and objects can specify attachments	827	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	828	that are attached at load/instantiate time, thus the need for a name.
639		829
640	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
641		831
642	=over 4	832	=over 4
…		…
840	";	1030	";
841	die if $@;	1031	die if $@;
842	}	1032	}
843		1033
844	our $override;	1034	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1035	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1036
847	sub override {	1037	sub override {
848	$override = 1;	1038	$override = 1;
849	@invoke_results = ();	1039	@INVOKE_RESULTS = (@_);
850	}	1040	}
851		1041
852	sub do_invoke {	1042	sub do_invoke {
853	my $event = shift;	1043	my $event = shift;
854	my $callbacks = shift;	1044	my $callbacks = shift;
855		1045
856	@invoke_results = ();	1046	@INVOKE_RESULTS = ();
857		1047
858	local $override;	1048	local $override;
859		1049
860	for (@$callbacks) {	1050	for (@$callbacks) {
861	eval { &{$_->[1]} };	1051	eval { &{$_->[1]} };
…		…
870	}	1060	}
871		1061
872	0	1062	0
873	}	1063	}
874		1064
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1066
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1068
879	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
880		1070
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1071	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1072	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1073	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1074
885	=back	1075	=back
886		1076
887	=cut	1077	=cut
888		1078
889	#############################################################################	1079	#############################################################################
890	# object support	1080	# object support
		1081
		1082	sub _object_equal($$);
		1083	sub _object_equal($$) {
		1084	my ($a, $b) = @_;
		1085
		1086	return 0 unless (ref $a) eq (ref $b);
		1087
		1088	if ("HASH" eq ref $a) {
		1089	my @ka = keys %$a;
		1090	my @kb = keys %$b;
		1091
		1092	return 0 if @ka != @kb;
		1093
		1094	for (0 .. $#ka) {
		1095	return 0 unless $ka[$_] eq $kb[$_];
		1096	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1097	}
		1098
		1099	} elsif ("ARRAY" eq ref $a) {
		1100
		1101	return 0 if @$a != @$b;
		1102
		1103	for (0 .. $#$a) {
		1104	return 0 unless _object_equal $a->[$_], $b->[$_];
		1105	}
		1106
		1107	} elsif ($a ne $b) {
		1108	return 0;
		1109	}
		1110
		1111	1
		1112	}
		1113
		1114	our $SLOW_MERGES;#d#
		1115	sub _can_merge {
		1116	my ($ob1, $ob2) = @_;
		1117
		1118	++$SLOW_MERGES;#d#
		1119
		1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
		1122	}
891		1123
892	sub reattach {	1124	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1126	my ($obj) = @_;
895		1127
		1128	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1129	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1130
898	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
899		1132
900	@$registry = ();	1133	@$registry = ();
901		1134
…		…
916	cf::attachable->attach (	1149	cf::attachable->attach (
917	prio => -1000000,	1150	prio => -1000000,
918	on_instantiate => sub {	1151	on_instantiate => sub {
919	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
920		1153
921	$data = from_json $data;	1154	$data = decode_json $data;
922		1155
923	for (@$data) {	1156	for (@$data) {
924	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
925		1158
926	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1175	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
944		1177
945	sync_job {	1178	sync_job {
946	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
949		1183
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1189	aio_fsync $fh;
		1190	}
954	close $fh;	1191	aio_close $fh;
955		1192
956	if (@$objs) {	1193	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1194	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1200	aio_fsync $fh;
		1201	}
962	close $fh;	1202	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
964	}	1204	}
965	} else {	1205	} else {
966	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
967	}	1207	}
968		1208
969	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1213	} else {
971	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
972	}	1215	}
973	} else {	1216	} else {
974	aio_unlink $filename;	1217	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
976	}	1219	}
977	}	1220	};
978	}	1221	}
979		1222
980	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
982		1225
…		…
994	or return;	1237	or return;
995		1238
996	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
998	or return;	1241	or return;
		1242
999	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
1000	}	1245	}
1001		1246
		1247	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1249	$decname, length $data, scalar @{$av || []};
		1250
1004	return ($data, $av);	1251	($data, $av)
1005	}	1252	}
1006		1253
1007	=head2 COMMAND CALLBACKS	1254	=head2 COMMAND CALLBACKS
1008		1255
1009	=over 4	1256	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1276	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1277	}
1031		1278
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1279	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1280
1034	Register a callback fro execution when the client sends an extcmd packet.	1281	Register a callback for execution when the client sends an (synchronous)
		1282	extcmd packet. Ext commands will be processed in the order they are
		1283	received by the server, like other user commands. The first argument is
		1284	the logged-in player. Ext commands can only be processed after a player
		1285	has logged in successfully.
1035		1286
1036	If the callback returns something, it is sent back as if reply was being	1287	If the callback returns something, it is sent back as if reply was being
1037	called.	1288	called.
1038		1289
		1290	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1291
		1292	Register a callback for execution when the client sends an (asynchronous)
		1293	exticmd packet. Exti commands are processed by the server as soon as they
		1294	are received, i.e. out of order w.r.t. other commands. The first argument
		1295	is a client socket. Exti commands can be received anytime, even before
		1296	log-in.
		1297
		1298	If the callback returns something, it is sent back as if reply was being
		1299	called.
		1300
1039	=cut	1301	=cut
1040		1302
1041	sub register_extcmd {	1303	sub register_extcmd {
1042	my ($name, $cb) = @_;	1304	my ($name, $cb) = @_;
1043		1305
1044	$EXTCMD{$name} = $cb;	1306	$EXTCMD{$name} = $cb;
1045	}	1307	}
1046		1308
		1309	sub register_exticmd {
		1310	my ($name, $cb) = @_;
		1311
		1312	$EXTICMD{$name} = $cb;
		1313	}
		1314
		1315	use File::Glob ();
		1316
1047	cf::player->attach (	1317	cf::player->attach (
1048	on_command => sub {	1318	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
1050		1320
1051	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
1052	or return;	1322	or return;
1053		1323
…		…
1058	cf::override;	1328	cf::override;
1059	},	1329	},
1060	on_extcmd => sub {	1330	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
1062		1332
1063	my $msg = eval { from_json $buf };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1334
1065	if (ref $msg) {	1335	if (ref $msg) {
		1336	my ($type, $reply, @payload) =
		1337	"ARRAY" eq ref $msg
		1338	? @$msg
		1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1340
		1341	my @reply;
		1342
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
1071	} else {	1350	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1352	}
1074		1353
1075	cf::override;	1354	cf::override;
1076	},	1355	},
1077	);	1356	);
		1357
		1358	# "readahead" all extensions
		1359	sub cache_extensions {
		1360	my $grp = IO::AIO::aio_group;
		1361
		1362	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1363	for (grep /\.ext$/, @{$_[0]}) {
		1364	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1365	}
		1366	};
		1367
		1368	$grp
		1369	}
1078		1370
1079	sub load_extensions {	1371	sub load_extensions {
1080	cf::sync_job {	1372	cf::sync_job {
1081	my %todo;	1373	my %todo;
1082		1374
…		…
1102		1394
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1397
1106	$ext{source} =	1398	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1400	. "#line 1 \"$path\"\n{\n"
1109	. $source	1401	. $source
1110	. "\n};\n1";	1402	. "\n};\n1";
1111		1403
1112	$todo{$base} = \%ext;	1404	$todo{$base} = \%ext;
1113	}	1405	}
1114		1406
		1407	my $pass = 0;
1115	my %done;	1408	my %done;
1116	while (%todo) {	1409	while (%todo) {
1117	my $progress;	1410	my $progress;
1118		1411
		1412	++$pass;
		1413
		1414	ext:
1119	while (my ($k, $v) = each %todo) {	1415	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1416	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1417	next ext
1122	unless exists $done{$_};	1418	unless exists $done{$_};
1123	}	1419	}
1124		1420
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1422
1127	unless (eval $v->{source}) {	1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1426	warn "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1429	if exists $v->{meta}{mandatory};
1132	warn $msg;	1430	} else {
1133	warn "mandatory extension failed to load, exiting.\n";	1431	$done{$k} = delete $todo{$k};
1134	exit 1;	1432	push @EXTS, $v->{pkg};
1135	}	1433	$progress = 1;
1136		1434
1137	warn $msg;	1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
1138	}	1437	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1438	}
1144		1439
1145	skip:	1440	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1442
		1443	while (my ($k, $v) = each %todo) {
		1444	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1445	if exists $v->{meta}{mandatory};
		1446	}
		1447	}
1148	}	1448	}
1149	};	1449	};
1150	}	1450	}
1151		1451
1152	#############################################################################	1452	#############################################################################
1153		1453
1154	=back	1454	=back
1155		1455
1156	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
1157		1457
1158	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
1159		1459
1160	=cut	1460	=cut
1161		1461
1162	package cf::player;	1462	package cf::player;
1163		1463
1164	use Coro::AIO;	1464	use Coro::AIO;
1165		1465
1166	=head3 cf::player	1466	=head3 cf::player
1167		1467
1168	=over 4	1468	=over 4
		1469
		1470	=item cf::player::num_playing
		1471
		1472	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1473
		1474	=cut
		1475
		1476	sub num_playing {
		1477	scalar grep
		1478	$_->ob->map
		1479	&& !$_->hidden
		1480	&& !$_->ob->flag (cf::FLAG_WIZ),
		1481	cf::player::list
		1482	}
1169		1483
1170	=item cf::player::find $login	1484	=item cf::player::find $login
1171		1485
1172	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
1173		1487
…		…
1192		1506
1193	sub exists($) {	1507	sub exists($) {
1194	my ($login) = @_;	1508	my ($login) = @_;
1195		1509
1196	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1511	or !aio_stat path $login
1198	}	1512	}
1199		1513
1200	sub find($) {	1514	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1516	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1526	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1527
1214	my $pl = load_pl path $login	1528	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1529	or return;
		1530
		1531	my $pl = cf::player::load_pl $f
		1532	or return;
		1533
		1534	local $cf::PLAYER_LOADING{$login} = $pl;
		1535	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
1217	}	1537	}
1218	}	1538	}
1219	}	1539	}
		1540
		1541	cf::player->attach (
		1542	on_load => sub {
		1543	my ($pl, $path) = @_;
		1544
		1545	# restore slots saved in save, below
		1546	my $slots = delete $pl->{_slots};
		1547
		1548	$pl->ob->current_weapon ($slots->[0]);
		1549	$pl->combat_ob ($slots->[1]);
		1550	$pl->ranged_ob ($slots->[2]);
		1551	},
		1552	);
1220		1553
1221	sub save($) {	1554	sub save($) {
1222	my ($pl) = @_;	1555	my ($pl) = @_;
1223		1556
1224	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
1230		1563
1231	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
1233		1566
		1567	cf::get_slot 0.01;
		1568
		1569	# save slots, to be restored later
		1570	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1571
1234	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
1235	Coro::cede;	1573	cf::cede_to_tick;
1236	}	1574	}
1237		1575
1238	sub new($) {	1576	sub new($) {
1239	my ($login) = @_;	1577	my ($login) = @_;
1240		1578
…		…
1246	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1247		1585
1248	$self	1586	$self
1249	}	1587	}
1250		1588
		1589	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1590
		1591	=cut
		1592
		1593	sub send_msg {
		1594	my $ns = shift->ns
		1595	or return;
		1596	$ns->send_msg (@_);
		1597	}
		1598
1251	=item $pl->quit_character	1599	=item $pl->quit_character
1252		1600
1253	Nukes the player without looking back. If logged in, the connection will	1601	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1255		1603
…		…
1259	my ($pl) = @_;	1607	my ($pl) = @_;
1260		1608
1261	my $name = $pl->ob->name;	1609	my $name = $pl->ob->name;
1262		1610
1263	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1612	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1613
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1270		1620
1271	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1658	or return [];
1309		1659
1310	my @logins;	1660	my @logins;
1311		1661
1312	for my $login (@$dirs) {	1662	for my $login (@$dirs) {
		1663	my $path = path $login;
		1664
		1665	# a .pst is a dead give-away for a valid player
		1666	# if no pst file found, open and chekc for blocked users
		1667	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1316		1672
1317	utf8::decode $login;	1673	utf8::decode $login;
1318	push @logins, $login;	1674	push @logins, $login;
1319	}	1675	}
1320		1676
…		…
1347	}	1703	}
1348		1704
1349	\@paths	1705	\@paths
1350	}	1706	}
1351		1707
		1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1709
		1710	Expand deliantra pod fragments into protocol xml.
		1711
1352	=item $player->ext_reply ($msgid, %msg)	1712	=item $player->ext_reply ($msgid, @msg)
1353		1713
1354	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1355		1715
1356	=cut	1716	=cut
1357		1717
1358	sub ext_reply($$%) {	1718	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1719	my ($self, $id, @msg) = @_;
1360		1720
1361	$msg{msgid} = $id;	1721	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1722	}
1365		1723
1366	=item $player->ext_event ($type, %msg)	1724	=item $player->ext_msg ($type, @msg)
1367		1725
1368	Sends an ext event to the client.	1726	Sends an ext event to the client.
1369		1727
1370	=cut	1728	=cut
1371		1729
1372	sub ext_event($$%) {	1730	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1731	my ($self, $type, @msg) = @_;
1374		1732
1375	$self->ns->ext_event ($type, %msg);	1733	$self->ns->ext_msg ($type, @msg);
1376	}	1734	}
1377		1735
1378	=head3 cf::region	1736	=head3 cf::region
1379		1737
1380	=over 4	1738	=over 4
…		…
1393	my ($path) = @_;	1751	my ($path) = @_;
1394		1752
1395	my ($match, $specificity);	1753	my ($match, $specificity);
1396		1754
1397	for my $region (list) {	1755	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1756	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1757	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1758	if $region->specificity > $specificity;
1401	}	1759	}
1402	}	1760	}
1403		1761
…		…
1424	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1426		1784
1427	sub generate_random_map {	1785	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1786	my ($self, $rmp) = @_;
		1787
		1788	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1789
1429	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1791	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1523	$self->init; # pass $1 etc.	1884	$self->init; # pass $1 etc.
1524	return $self;	1885	return $self;
1525	}	1886	}
1526	}	1887	}
1527		1888
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1889	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1890	()
1530	}	1891	}
1531		1892
1532	sub init {	1893	sub init {
1533	my ($self) = @_;	1894	my ($self) = @_;
…		…
1555		1916
1556	# the temporary/swap location	1917	# the temporary/swap location
1557	sub save_path {	1918	sub save_path {
1558	my ($self) = @_;	1919	my ($self) = @_;
1559		1920
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1922	"$TMPDIR/$path.map"
1562	}	1923	}
1563		1924
1564	# the unique path, undef == no special unique path	1925	# the unique path, undef == no special unique path
1565	sub uniq_path {	1926	sub uniq_path {
1566	my ($self) = @_;	1927	my ($self) = @_;
1567		1928
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1930	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1931	}
1580		1932
1581	sub decay_objects {	1933	sub decay_objects {
1582	my ($self) = @_;	1934	my ($self) = @_;
1583		1935
…		…
1596		1948
1597	sub load_header_from($) {	1949	sub load_header_from($) {
1598	my ($self, $path) = @_;	1950	my ($self, $path) = @_;
1599		1951
1600	utf8::encode $path;	1952	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1954	or return;
		1955
		1956	$self->_load_header ($f)
		1957	or return;
		1958
		1959	local $MAP_LOADING{$self->{path}} = $self;
		1960	$f->resolve_delayed_derefs;
1606		1961
1607	$self->{load_path} = $path;	1962	$self->{load_path} = $path;
1608		1963
1609	1	1964	1
1610	}	1965	}
…		…
1664	sub find {	2019	sub find {
1665	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1666		2021
1667	$path = normalise $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1668		2023
		2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2026
1671	$cf::MAP{$path} || do {	2027	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2028	my $map = new_from_path cf::map $path
1674	or return;	2029	or return;
1675		2030
1676	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1677		2032
…		…
1679	or return;	2034	or return;
1680		2035
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2037	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1684	$map->reset;	2041	$map->reset;
1685	undef $guard;
1686	return find $path;	2042	return find $path;
1687	}	2043	}
1688		2044
1689	$cf::MAP{$path} = $map	2045	$cf::MAP{$path} = $map
1690	}	2046	}
1691	}	2047	}
1692		2048
1693	sub pre_load { }	2049	sub pre_load { }
1694	sub post_load { }	2050	#sub post_load { } # XS
1695		2051
1696	sub load {	2052	sub load {
1697	my ($self) = @_;	2053	my ($self) = @_;
1698		2054
1699	local $self->{deny_reset} = 1; # loading can take a long time	2055	local $self->{deny_reset} = 1; # loading can take a long time
1700		2056
1701	my $path = $self->{path};	2057	my $path = $self->{path};
1702		2058
1703	{	2059	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2060	my $guard = cf::lock_acquire "map_data:$path";
1705		2061
		2062	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2064
1708	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1709		2066
1710	$self->alloc;	2067	$self->alloc;
1711		2068
1712	$self->pre_load;	2069	$self->pre_load;
1713	Coro::cede;	2070	cf::cede_to_tick;
1714		2071
		2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2074	$self->_load_objects ($f)
1716	or return;	2075	or return;
1717		2076
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1719	if delete $self->{load_original};	2078	if delete $self->{load_original};
1720		2079
1721	if (my $uniq = $self->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2081	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2084	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1726	}	2088	}
1727	}	2089	}
1728		2090
1729	Coro::cede;	2091	$f->resolve_delayed_derefs;
		2092
		2093	cf::cede_to_tick;
1730	# now do the right thing for maps	2094	# now do the right thing for maps
1731	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2097	unless $self->difficulty;
1734	Coro::cede;	2098	cf::cede_to_tick;
1735		2099
1736	unless ($self->{deny_activate}) {	2100	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2101	$self->decay_objects;
1738	$self->fix_auto_apply;	2102	$self->fix_auto_apply;
1739	$self->update_buttons;	2103	$self->update_buttons;
1740	Coro::cede;	2104	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2105	$self->activate;
1744	}	2106	}
1745		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2111	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2112	}
1748		2113
1749	$self->post_load;	2114	$self->post_load;
1750	}	2115	}
1751		2116
		2117	# customize the map for a given player, i.e.
		2118	# return the _real_ map. used by e.g. per-player
		2119	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2120	sub customise_for {
1753	my ($self, $ob) = @_;	2121	my ($self, $ob) = @_;
1754		2122
1755	return find "~" . $ob->name . "/" . $self->{path}	2123	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2124	if $self->per_player;
…		…
1760		2128
1761	$self	2129	$self
1762	}	2130	}
1763		2131
1764	# find and load all maps in the 3x3 area around a map	2132	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2133	sub load_neighbours {
1766	my ($map) = @_;	2134	my ($map) = @_;
1767		2135
1768	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1769		2137
1770	for (0 .. 3) {	2138	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1772	or next;	2140	or next;
1773	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1774	or next;	2142	or next;
1775	$neigh->load;	2143	$neigh->load;
1776		2144
		2145	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2148	}
1780		2149
1781	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1783	or next;	2153	or next;
1784	$neigh->load;	2154	$neigh->load;
1785	}	2155	}
1786	}	2156	}
1787		2157
…		…
1792	}	2162	}
1793		2163
1794	sub do_load_sync {	2164	sub do_load_sync {
1795	my ($map) = @_;	2165	my ($map) = @_;
1796		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1797	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1798	}	2171	}
1799		2172
1800	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2174	our $MAP_PREFETCHER = undef;
1802		2175
1803	sub find_async {	2176	sub find_async {
1804	my ($path, $origin) = @_;	2177	my ($path, $origin, $load) = @_;
1805		2178
1806	$path = normalise $path, $origin && $origin->{path};	2179	$path = normalise $path, $origin && $origin->{path};
1807		2180
1808	if (my $map = $cf::MAP{$path}) {	2181	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2183	}
1811		2184
1812	undef $MAP_PREFETCH{$path};	2185	$MAP_PREFETCH{$path} |= $load;
		2186
1813	$MAP_PREFETCHER ||= cf::async {	2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
1814	while (%MAP_PREFETCH) {	2190	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2191	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2192	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2193	$map->load if $v;
		2194	}
1819		2195
1820	delete $MAP_PREFETCH{$path};	2196	delete $MAP_PREFETCH{$k};
1821	}	2197	}
1822	}	2198	}
1823	undef $MAP_PREFETCHER;	2199	undef $MAP_PREFETCHER;
1824	};	2200	};
1825	$MAP_PREFETCHER->prio (6);	2201	$MAP_PREFETCHER->prio (6);
…		…
1828	}	2204	}
1829		2205
1830	sub save {	2206	sub save {
1831	my ($self) = @_;	2207	my ($self) = @_;
1832		2208
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1834		2210
1835	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1836		2212
1837	return unless $self->dirty;	2213	return unless $self->dirty;
1838		2214
…		…
1844	return if $self->{deny_save};	2220	return if $self->{deny_save};
1845		2221
1846	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
1847		2223
1848	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
1850	};	2227	};
		2228
		2229	cf::get_slot 0.02;
1851		2230
1852	if ($uniq) {	2231	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2234	} else {
…		…
1861	my ($self) = @_;	2240	my ($self) = @_;
1862		2241
1863	# save first because save cedes	2242	# save first because save cedes
1864	$self->save;	2243	$self->save;
1865		2244
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2246
1868	return if $self->players;	2247	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
1870	return if $self->{deny_save};	2249	return if $self->{deny_save};
1871		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
1872	$self->clear;	2255	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2256	}
1875		2257
1876	sub reset_at {	2258	sub reset_at {
1877	my ($self) = @_;	2259	my ($self) = @_;
1878		2260
…		…
1896		2278
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2280
1899	return if $self->players;	2281	return if $self->players;
1900		2282
1901	warn "resetting map ", $self->path;	2283	warn "resetting map ", $self->path, "\n";
1902		2284
1903	$self->in_memory (cf::MAP_SWAPPED);	2285	$self->in_memory (cf::MAP_SWAPPED);
1904		2286
1905	# need to save uniques path	2287	# need to save uniques path
1906	unless ($self->{deny_save}) {	2288	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2292	if $uniq;
1911	}	2293	}
1912		2294
1913	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
1914		2296
		2297	$self->deactivate;
		2298	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2299	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2300
1919	$self->unlink_save;	2301	$self->unlink_save;
1920	$self->destroy;	2302	$self->destroy;
1921	}	2303	}
1922		2304
1923	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
1924		2306
1925	sub nuke {	2307	sub nuke {
1926	my ($self) = @_;	2308	my ($self) = @_;
1927		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
1928	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1929		2314
1930	$self->unlink_save;	2315	$self->unlink_save;
1931		2316
1932	bless $self, "cf::map";	2317	bless $self, "cf::map";
1933	delete $self->{deny_reset};	2318	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2322
1938	$cf::MAP{$self->path} = $self;	2323	$cf::MAP{$self->path} = $self;
		2324	}
1939		2325
1940	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
1941	}	2327	}
1942		2328
1943	=item $maps = cf::map::tmp_maps	2329	=item $maps = cf::map::tmp_maps
…		…
1985		2371
1986	sub unique_maps() {	2372	sub unique_maps() {
1987	[	2373	[
1988	map {	2374	map {
1989	utf8::decode $_;	2375	utf8::decode $_;
1990	/\.map$/	2376	s/\.map$//; # TODO future compatibility hack
		2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2378	? ()
1991	? normalise $_	2379	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2380	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2381	]
1995	}	2382	}
1996		2383
1997	package cf;	2384	=item cf::map::static_maps
		2385
		2386	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2387	file in the shared directory excluding F</styles> and F</editor>). May
		2388	block.
		2389
		2390	=cut
		2391
		2392	sub static_maps() {
		2393	my @dirs = "";
		2394	my @maps;
		2395
		2396	while (@dirs) {
		2397	my $dir = shift @dirs;
		2398
		2399	next if $dir eq "/styles" || $dir eq "/editor";
		2400
		2401	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2402	or return;
		2403
		2404	for (@$files) {
		2405	s/\.map$// or next;
		2406	utf8::decode $_;
		2407	push @maps, "$dir/$_";
		2408	}
		2409
		2410	push @dirs, map "$dir/$_", @$dirs;
		2411	}
		2412
		2413	\@maps
		2414	}
1998		2415
1999	=back	2416	=back
2000		2417
2001	=head3 cf::object	2418	=head3 cf::object
2002		2419
…		…
2006		2423
2007	=over 4	2424	=over 4
2008		2425
2009	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
2010		2427
2011	Returns the inventory of the object _and_ their inventories, recursively.	2428	Returns the inventory of the object I<and> their inventories, recursively,
		2429	but I<not> the object itself.
2012		2430
2013	=cut	2431	=cut
2014		2432
2015	sub inv_recursive_;	2433	sub inv_recursive_;
2016	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
2019		2437
2020	sub inv_recursive {	2438	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
2022	}	2440	}
2023		2441
		2442	=item $ref = $ob->ref
		2443
		2444	Creates and returns a persistent reference to an object that can be stored as a string.
		2445
		2446	=item $ob = cf::object::deref ($refstring)
		2447
		2448	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2449	even if the object actually exists. May block.
		2450
		2451	=cut
		2452
		2453	sub deref {
		2454	my ($ref) = @_;
		2455
		2456	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2457	my ($uuid, $name) = ($1, $2);
		2458	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2459	or return;
		2460	$pl->ob->uuid eq $uuid
		2461	or return;
		2462
		2463	$pl->ob
		2464	} else {
		2465	warn "$ref: cannot resolve object reference\n";
		2466	undef
		2467	}
		2468	}
		2469
2024	package cf;	2470	package cf;
2025		2471
2026	=back	2472	=back
2027		2473
2028	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2480	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2481	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
2037		2483
2038	=cut	2484	=cut
		2485
		2486	our $SAY_CHANNEL = {
		2487	id => "say",
		2488	title => "Map",
		2489	reply => "say ",
		2490	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2491	};
		2492
		2493	our $CHAT_CHANNEL = {
		2494	id => "chat",
		2495	title => "Chat",
		2496	reply => "chat ",
		2497	tooltip => "Player chat and shouts, global to the server.",
		2498	};
2039		2499
2040	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2501	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2502	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
2050		2510
2051	} else {	2511	} else {
2052	my $pl = $self->contr;	2512	my $pl = $self->contr;
2053		2513
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2515	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2517
2060	} else {	2518	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2521	}
2064	}	2522	}
		2523	}
		2524
		2525	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2526
		2527	=cut
		2528
		2529	sub cf::object::send_msg {
		2530	my $pl = shift->contr
		2531	or return;
		2532	$pl->send_msg (@_);
2065	}	2533	}
2066		2534
2067	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
2068		2536
2069	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
2082		2550
2083	=item $player_object->enter_link	2551	=item $player_object->enter_link
2084		2552
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2553	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2554
2087	The player should be reasonably safe there for short amounts of time. You	2555	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2556	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2557	though, as the palyer cannot control the character while it is on the link
		2558	map.
2089		2559
2090	Will never block.	2560	Will never block.
2091		2561
2092	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
2093		2563
…		…
2145	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
2147		2617
2148	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
2151		2621
2152	$map->load;	2622	$map->load;
2153	$map->load_diag;	2623	$map->load_neighbours;
2154		2624
2155	return unless $self->contr->active;	2625	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2626
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2628	$self->enter_map ($map, $x, $y);
2160	}
2161		2629
		2630	# only activate afterwards, to support waiting in hooks
		2631	$self->activate_recursive;
		2632	}
		2633
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2163		2635
2164	Moves the player to the given map-path and coordinates by first freezing	2636	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2637	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2638	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2639	the new (success) or old (failed) map position. In either case, $done will
		2640	be called at the end of this process.
		2641
		2642	Note that $check will be called with a potentially non-loaded map, so if
		2643	it needs a loaded map it has to call C<< ->load >>.
2168		2644
2169	=cut	2645	=cut
2170		2646
2171	our $GOTOGEN;	2647	our $GOTOGEN;
2172		2648
2173	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2650	my ($self, $path, $x, $y, $check, $done) = @_;
2175		2651
2176	# do generation counting so two concurrent goto's will be executed in-order	2652	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2654
2179	$self->enter_link;	2655	$self->enter_link;
2180		2656
2181	(async {	2657	(async {
		2658	$Coro::current->{desc} = "player::goto $path $x $y";
		2659
		2660	# *tag paths override both path and x|y
		2661	if ($path =~ /^\*(.*)$/) {
		2662	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2663	my $ob = $obs[rand @obs];
		2664
		2665	# see if we actually can go there
		2666	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2667	$ob = $obs[rand @obs];
		2668	} else {
		2669	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	}
		2671	# else put us there anyways for now #d#
		2672
		2673	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2674	} else {
		2675	($path, $x, $y) = (undef, undef, undef);
		2676	}
		2677	}
		2678
2182	my $map = eval {	2679	my $map = eval {
2183	my $map = cf::map::find $path;	2680	my $map = defined $path ? cf::map::find $path : undef;
2184		2681
2185	if ($map) {	2682	if ($map) {
2186	$map = $map->customise_for ($self);	2683	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2684	$map = $check->($map) if $check && $map;
2188	} else {	2685	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2687	}
2191		2688
2192	$map	2689	$map
2193	};	2690	};
2194		2691
…		…
2199		2696
2200	if ($gen == $self->{_goto_generation}) {	2697	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2698	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2699	$self->leave_link ($map, $x, $y);
2203	}	2700	}
		2701
		2702	$done->() if $done;
2204	})->prio (1);	2703	})->prio (1);
2205	}	2704	}
2206		2705
2207	=item $player_object->enter_exit ($exit_object)	2706	=item $player_object->enter_exit ($exit_object)
2208		2707
…		…
2228	}	2727	}
2229		2728
2230	sub prepare_random_map {	2729	sub prepare_random_map {
2231	my ($exit) = @_;	2730	my ($exit) = @_;
2232		2731
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2732	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2733	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2734	# that depends on the exit object
2238		2735
2239	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2738	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2739	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
2246	}	2745	}
2247		2746
2248	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
2249		2748
2250	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2751	my $meta = "$RANDOMDIR/$md5.meta";
2253		2752
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2755	undef $fh;
2257	aio_rename "$meta~", $meta;	2756	aio_rename "$meta~", $meta;
2258		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
2261	}	2764	}
2262	}	2765	}
2263		2766
2264	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
2266		2769
2267	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
2268		2771
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2772	$self->enter_link;
2281		2773
2282	(async {	2774	(async {
2283	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
2284	unless (eval {	2777	unless (eval {
		2778	$self->deactivate_recursive; # just to be sure
		2779
		2780	# random map handling
		2781	{
		2782	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2783
		2784	prepare_random_map $exit
		2785	if $exit->slaying eq "/!";
		2786	}
		2787
		2788	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2789	my $x = $exit->stats->hp;
		2790	my $y = $exit->stats->sp;
		2791
2285	$self->goto ($slaying, $hp, $sp);	2792	$self->goto ($map, $x, $y);
2286		2793
		2794	# if exit is damned, update players death & WoR home-position
		2795	$self->contr->savebed ($map, $x, $y)
		2796	if $exit->flag (cf::FLAG_DAMNED);
		2797
2287	1;	2798	1
2288	}) {	2799	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2801	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2804
2294	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
…		…
2313		2824
2314	utf8::encode $text;	2825	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2826	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2827	}
2317		2828
		2829	=item $client->send_big_packet ($pkt)
		2830
		2831	Like C<send_packet>, but tries to compress large packets, and fragments
		2832	them as required.
		2833
		2834	=cut
		2835
		2836	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2837
		2838	sub cf::client::send_big_packet {
		2839	my ($self, $pkt) = @_;
		2840
		2841	# try lzf for large packets
		2842	$pkt = "lzf " . Compress::LZF::compress $pkt
		2843	if 1024 <= length $pkt and $self->{can_lzf};
		2844
		2845	# split very large packets
		2846	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2847	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2848	$pkt = "frag";
		2849	}
		2850
		2851	$self->send_packet ($pkt);
		2852	}
		2853
		2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2855
		2856	Send a drawinfo or msg packet to the client, formatting the msg for the
		2857	client if neccessary. C<$type> should be a string identifying the type of
		2858	the message, with C<log> being the default. If C<$color> is negative, suppress
		2859	the message unless the client supports the msg packet.
		2860
		2861	=cut
		2862
		2863	# non-persistent channels (usually the info channel)
		2864	our %CHANNEL = (
		2865	"c/motd" => {
		2866	id => "infobox",
		2867	title => "MOTD",
		2868	reply => undef,
		2869	tooltip => "The message of the day",
		2870	},
		2871	"c/identify" => {
		2872	id => "infobox",
		2873	title => "Identify",
		2874	reply => undef,
		2875	tooltip => "Items recently identified",
		2876	},
		2877	"c/examine" => {
		2878	id => "infobox",
		2879	title => "Examine",
		2880	reply => undef,
		2881	tooltip => "Signs and other items you examined",
		2882	},
		2883	"c/shopinfo" => {
		2884	id => "infobox",
		2885	title => "Shop Info",
		2886	reply => undef,
		2887	tooltip => "What your bargaining skill tells you about the shop",
		2888	},
		2889	"c/book" => {
		2890	id => "infobox",
		2891	title => "Book",
		2892	reply => undef,
		2893	tooltip => "The contents of a note or book",
		2894	},
		2895	"c/lookat" => {
		2896	id => "infobox",
		2897	title => "Look",
		2898	reply => undef,
		2899	tooltip => "What you saw there",
		2900	},
		2901	"c/who" => {
		2902	id => "infobox",
		2903	title => "Players",
		2904	reply => undef,
		2905	tooltip => "Shows players who are currently online",
		2906	},
		2907	"c/body" => {
		2908	id => "infobox",
		2909	title => "Body Parts",
		2910	reply => undef,
		2911	tooltip => "Shows which body parts you posess and are available",
		2912	},
		2913	"c/statistics" => {
		2914	id => "infobox",
		2915	title => "Statistics",
		2916	reply => undef,
		2917	tooltip => "Shows your primary statistics",
		2918	},
		2919	"c/skills" => {
		2920	id => "infobox",
		2921	title => "Skills",
		2922	reply => undef,
		2923	tooltip => "Shows your experience per skill and item power",
		2924	},
		2925	"c/shopitems" => {
		2926	id => "infobox",
		2927	title => "Shop Items",
		2928	reply => undef,
		2929	tooltip => "Shows the items currently for sale in this shop",
		2930	},
		2931	"c/resistances" => {
		2932	id => "infobox",
		2933	title => "Resistances",
		2934	reply => undef,
		2935	tooltip => "Shows your resistances",
		2936	},
		2937	"c/pets" => {
		2938	id => "infobox",
		2939	title => "Pets",
		2940	reply => undef,
		2941	tooltip => "Shows information abotu your pets/a specific pet",
		2942	},
		2943	"c/perceiveself" => {
		2944	id => "infobox",
		2945	title => "Perceive Self",
		2946	reply => undef,
		2947	tooltip => "You gained detailed knowledge about yourself",
		2948	},
		2949	"c/uptime" => {
		2950	id => "infobox",
		2951	title => "Uptime",
		2952	reply => undef,
		2953	tooltip => "How long the server has been running since last restart",
		2954	},
		2955	"c/mapinfo" => {
		2956	id => "infobox",
		2957	title => "Map Info",
		2958	reply => undef,
		2959	tooltip => "Information related to the maps",
		2960	},
		2961	"c/party" => {
		2962	id => "party",
		2963	title => "Party",
		2964	reply => "gsay ",
		2965	tooltip => "Messages and chat related to your party",
		2966	},
		2967	"c/death" => {
		2968	id => "death",
		2969	title => "Death",
		2970	reply => undef,
		2971	tooltip => "Reason for and more info about your most recent death",
		2972	},
		2973	"c/say" => $SAY_CHANNEL,
		2974	"c/chat" => $CHAT_CHANNEL,
		2975	);
		2976
		2977	sub cf::client::send_msg {
		2978	my ($self, $channel, $msg, $color, @extra) = @_;
		2979
		2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
		2982
		2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2984
		2985	# check predefined channels, for the benefit of C
		2986	if ($CHANNEL{$channel}) {
		2987	$channel = $CHANNEL{$channel};
		2988
		2989	$self->ext_msg (channel_info => $channel);
		2990	$channel = $channel->{id};
		2991
		2992	} elsif (ref $channel) {
		2993	# send meta info to client, if not yet sent
		2994	unless (exists $self->{channel}{$channel->{id}}) {
		2995	$self->{channel}{$channel->{id}} = $channel;
		2996	$self->ext_msg (channel_info => $channel);
		2997	}
		2998
		2999	$channel = $channel->{id};
		3000	}
		3001
		3002	return unless @extra || length $msg;
		3003
		3004	# default colour, mask it out
		3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3006	if $color & cf::NDI_DEF;
		3007
		3008	my $pkt = "msg "
		3009	. $self->{json_coder}->encode (
		3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3011	);
		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
2318	=item $client->ext_event ($type, %msg)	3016	=item $client->ext_msg ($type, @msg)
2319		3017
2320	Sends an exti event to the client.	3018	Sends an ext event to the client.
2321		3019
2322	=cut	3020	=cut
2323		3021
2324	sub cf::client::ext_event($$%) {	3022	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3023	my ($self, $type, @msg) = @_;
2326		3024
		3025	if ($self->extcmd == 2) {
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3028	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3029	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3030	}
		3031	}
		3032
		3033	=item $client->ext_reply ($msgid, @msg)
		3034
		3035	Sends an ext reply to the client.
		3036
		3037	=cut
		3038
		3039	sub cf::client::ext_reply($$@) {
		3040	my ($self, $id, @msg) = @_;
		3041
		3042	if ($self->extcmd == 2) {
		3043	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3044	} elsif ($self->extcmd == 1) {
		3045	#TODO: version 1, remove
		3046	unshift @msg, msgtype => "reply", msgid => $id;
		3047	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3048	}
2329	}	3049	}
2330		3050
2331	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
2332		3052
2333	Queues a query to the client, calling the given callback with	3053	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3054	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3055	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3056
2337	Queries can fail, so check the return code. Or don't, as queries will become	3057	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3058	become reliable at some point in the future.
2339		3059
2340	=cut	3060	=cut
2341		3061
2342	sub cf::client::query {	3062	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3063	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3071	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3072	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3073
2354	$self->send_packet ($self->{query_queue}[0][0])	3074	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3075	if @{ $self->{query_queue} } == 1;
		3076
		3077	1
2356	}	3078	}
2357		3079
2358	cf::client->attach (	3080	cf::client->attach (
		3081	on_connect => sub {
		3082	my ($ns) = @_;
		3083
		3084	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3085	},
2359	on_reply => sub {	3086	on_reply => sub {
2360	my ($ns, $msg) = @_;	3087	my ($ns, $msg) = @_;
2361		3088
2362	# this weird shuffling is so that direct followup queries	3089	# this weird shuffling is so that direct followup queries
2363	# get handled first	3090	# get handled first
…		…
2375	} else {	3102	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3103	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3104	}
2378	}	3105	}
2379	},	3106	},
		3107	on_exticmd => sub {
		3108	my ($ns, $buf) = @_;
		3109
		3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3111
		3112	if (ref $msg) {
		3113	my ($type, $reply, @payload) =
		3114	"ARRAY" eq ref $msg
		3115	? @$msg
		3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3117
		3118	my @reply;
		3119
		3120	if (my $cb = $EXTICMD{$type}) {
		3121	@reply = $cb->($ns, @payload);
		3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
		3127	} else {
		3128	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3129	}
		3130
		3131	cf::override;
		3132	},
2380	);	3133	);
2381		3134
2382	=item $client->async (\&cb)	3135	=item $client->async (\&cb)
2383		3136
2384	Create a new coroutine, running the specified callback. The coroutine will	3137	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3153
2401	$coro	3154	$coro
2402	}	3155	}
2403		3156
2404	cf::client->attach (	3157	cf::client->attach (
2405	on_destroy => sub {	3158	on_client_destroy => sub {
2406	my ($ns) = @_;	3159	my ($ns) = @_;
2407		3160
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3162	},
2410	);	3163	);
…		…
2425	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
2427		3180
2428	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
2429		3182
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3183	$safe->permit_only (Opcode::opset qw(
		3184	:base_core :base_mem :base_orig :base_math :base_loop
		3185	grepstart grepwhile mapstart mapwhile
		3186	sort time
		3187	));
2431		3188
2432	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2433		3190
2434	=pod	3191	=pod
2435		3192
2436	The following functions and methods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2437		3194
2438	cf::object contr pay_amount pay_player map	3195	cf::object
		3196	contr pay_amount pay_player map x y force_find force_add destroy
		3197	insert remove name archname title slaying race decrease split
		3198	value
		3199
2439	cf::object::player player	3200	cf::object::player
2440	cf::player peaceful	3201	player
2441	cf::map trigger	3202
		3203	cf::player
		3204	peaceful
		3205
		3206	cf::map
		3207	trigger
2442		3208
2443	=cut	3209	=cut
2444		3210
2445	for (	3211	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3212	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2450	) {	3218	) {
2451	no strict 'refs';	3219	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2471		3239
2472	my $qcode = $code;	3240	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2475		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2476	local $_;	3247	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3248
2479	my $eval =	3249	my $eval =
2480	"do {\n"	3250	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3253	. $code
2484	. "\n}"	3254	. "\n}"
2485	;	3255	;
2486		3256
		3257	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3261	sub_generation_inc;
		3262	} else {
		3263	local @cf::_safe_eval_args = values %vars;
		3264	@res = wantarray ? eval eval : scalar eval $eval;
		3265	}
2490		3266
2491	if ($@) {	3267	if ($@) {
2492	warn "$@";	3268	warn "$@";
2493	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2494	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2513	=cut	3289	=cut
2514		3290
2515	sub register_script_function {	3291	sub register_script_function {
2516	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2517		3293
2518	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2520	}	3296	}
2521		3297
2522	=back	3298	=back
2523		3299
2524	=cut	3300	=cut
…		…
2526	#############################################################################	3302	#############################################################################
2527	# the server's init and main functions	3303	# the server's init and main functions
2528		3304
2529	sub load_facedata($) {	3305	sub load_facedata($) {
2530	my ($path) = @_;	3306	my ($path) = @_;
		3307
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
		3312	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2531		3313
2532	warn "loading facedata from $path\n";	3314	warn "loading facedata from $path\n";
2533		3315
2534	my $facedata;	3316	my $facedata;
2535	0 < aio_load $path, $facedata	3317	0 < aio_load $path, $facedata
…		…
2538	$facedata = Coro::Storable::thaw $facedata;	3320	$facedata = Coro::Storable::thaw $facedata;
2539		3321
2540	$facedata->{version} == 2	3322	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3324
		3325	# patch in the exptable
		3326	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3327	$facedata->{resource}{"res/exp_table"} = {
		3328	type => FT_RSRC,
		3329	data => $exp_table,
		3330	hash => (Digest::MD5::md5 $exp_table),
		3331	};
		3332	cf::cede_to_tick;
		3333
2543	{	3334	{
2544	my $faces = $facedata->{faceinfo};	3335	my $faces = $facedata->{faceinfo};
2545		3336
2546	while (my ($face, $info) = each %$faces) {	3337	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3339
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3340	cf::face::set_visibility $idx, $info->{visibility};
		3341	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3344
		3345	cf::cede_to_tick;
2552	}	3346	}
2553		3347
2554	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3349	next unless $info->{smooth};
		3350
2556	my $idx = cf::face::find $face	3351	my $idx = cf::face::find $face
2557	or next;	3352	or next;
		3353
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3354	if (my $smooth = cf::face::find $info->{smooth}) {
		3355	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3357	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3359	}
2563	Coro::cede;	3360
		3361	cf::cede_to_tick;
2564	}	3362	}
2565	}	3363	}
2566		3364
2567	{	3365	{
2568	my $anims = $facedata->{animinfo};	3366	my $anims = $facedata->{animinfo};
2569		3367
2570	while (my ($anim, $info) = each %$anims) {	3368	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3369	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3370	cf::cede_to_tick;
2573	}	3371	}
2574		3372
2575	cf::anim::invalidate_all; # d'oh	3373	cf::anim::invalidate_all; # d'oh
2576	}	3374	}
2577		3375
		3376	{
		3377	my $res = $facedata->{resource};
		3378
		3379	while (my ($name, $info) = each %$res) {
		3380	if (defined $info->{type}) {
		3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3382
		3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3384	cf::face::set_type $idx, $info->{type};
		3385	} else {
		3386	$RESOURCE{$name} = $info;
		3387	}
		3388
		3389	cf::cede_to_tick;
		3390	}
		3391	}
		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
2578	1	3395	1
2579	}	3396	}
2580		3397
		3398	cf::global->attach (on_resource_update => sub {
		3399	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3400	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3401
		3402	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3403	my $sound = $soundconf->{compat}[$_]
		3404	or next;
		3405
		3406	my $face = cf::face::find "sound/$sound->[1]";
		3407	cf::sound::set $sound->[0] => $face;
		3408	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3409	}
		3410
		3411	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3412	my $face = cf::face::find "sound/$v";
		3413	cf::sound::set $k => $face;
		3414	}
		3415	}
		3416	});
		3417
		3418	register_exticmd fx_want => sub {
		3419	my ($ns, $want) = @_;
		3420
		3421	while (my ($k, $v) = each %$want) {
		3422	$ns->fx_want ($k, $v);
		3423	}
		3424	};
		3425
		3426	sub load_resource_file($) {
		3427	my $guard = lock_acquire "load_resource_file";
		3428
		3429	my $status = load_resource_file_ $_[0];
		3430	get_slot 0.1, 100;
		3431	cf::arch::commit_load;
		3432
		3433	$status
		3434	}
		3435
2581	sub reload_regions {	3436	sub reload_regions {
		3437	# HACK to clear player env face cache, we need some signal framework
		3438	# for this (global event?)
		3439	%ext::player_env::MUSIC_FACE_CACHE = ();
		3440
2582	load_resource_file "$MAPDIR/regions"	3441	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3442	or die "unable to load regions file\n";
		3443
		3444	for (cf::region::list) {
		3445	$_->{match} = qr/$_->{match}/
		3446	if exists $_->{match};
		3447	}
2584	}	3448	}
2585		3449
2586	sub reload_facedata {	3450	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3451	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3452	or die "unable to load facedata\n";
…		…
2599	}	3463	}
2600		3464
2601	sub reload_resources {	3465	sub reload_resources {
2602	warn "reloading resource files...\n";	3466	warn "reloading resource files...\n";
2603		3467
		3468	reload_facedata;
		3469	reload_archetypes;
2604	reload_regions;	3470	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3471	reload_treasures;
2609		3472
2610	warn "finished reloading resource files\n";	3473	warn "finished reloading resource files\n";
2611	}	3474	}
2612		3475
2613	sub init {	3476	sub reload_config {
2614	reload_resources;	3477	warn "reloading config file...\n";
2615	}
2616		3478
2617	sub cfg_load {
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2619	or return;	3480	or return;
2620		3481
2621	local $/;	3482	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2623		3484
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2625		3486
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3487	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3488	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2631	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2632	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2633	};	3494	};
2634	warn $@ if $@;	3495	warn $@ if $@;
2635	}	3496	}
		3497
		3498	warn "finished reloading resource files\n";
		3499	}
		3500
		3501	sub pidfile() {
		3502	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3503	or die "$PIDFILE: $!";
		3504	flock $fh, &Fcntl::LOCK_EX
		3505	or die "$PIDFILE: flock: $!";
		3506	$fh
		3507	}
		3508
		3509	# make sure only one server instance is running at any one time
		3510	sub atomic {
		3511	my $fh = pidfile;
		3512
		3513	my $pid = <$fh>;
		3514	kill 9, $pid if $pid > 0;
		3515
		3516	seek $fh, 0, 0;
		3517	print $fh $$;
		3518	}
		3519
		3520	sub main_loop {
		3521	warn "EV::loop starting\n";
		3522	if (1) {
		3523	EV::loop;
		3524	}
		3525	warn "EV::loop returned\n";
		3526	goto &main_loop unless $REALLY_UNLOOP;
2636	}	3527	}
2637		3528
2638	sub main {	3529	sub main {
		3530	cf::init_globals; # initialise logging
		3531
		3532	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3533	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3534	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3535	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3536
		3537	cf::init_experience;
		3538	cf::init_anim;
		3539	cf::init_attackmess;
		3540	cf::init_dynamic;
		3541
		3542	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3543
2639	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3546	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3547	(async {
2643	Event::one_event;	3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3550	})->prio (Coro::PRIO_MAX);
2645	};	3551	};
2646		3552
2647	cfg_load;	3553	evthread_start IO::AIO::poll_fileno;
		3554
		3555	cf::sync_job {
		3556	cf::load_settings;
		3557	cf::load_materials;
		3558
		3559	reload_resources;
		3560	reload_config;
2648	db_init;	3561	db_init;
		3562
		3563	cf::init_uuid;
		3564	cf::init_signals;
		3565	cf::init_skills;
		3566
		3567	cf::init_beforeplay;
		3568
		3569	atomic;
		3570
2649	load_extensions;	3571	load_extensions;
2650		3572
2651	$TICK_WATCHER->start;	3573	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3574
		3575	# no (long-running) fork's whatsoever before this point(!)
		3576	use POSIX ();
		3577	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3578
		3579	(pop @POST_INIT)->(0) while @POST_INIT;
		3580	};
		3581
		3582	main_loop;
2653	}	3583	}
2654		3584
2655	#############################################################################	3585	#############################################################################
2656	# initialisation and cleanup	3586	# initialisation and cleanup
2657		3587
2658	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2659	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2668	},
2669	);	3594	};
2670	}	3595	}
2671	}	3596	}
2672		3597
2673	sub write_runtime {	3598	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3599	my $t0 = AE::time;
2675		3600
2676	# first touch the runtime file to show we are still running:	3601	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3602	# the fsync below can take a very very long time.
2678		3603
2679	IO::AIO::aio_utime $runtime, undef, undef;	3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3605
2681	my $guard = cf::lock_acquire "write_runtime";	3606	my $guard = cf::lock_acquire "write_runtime";
2682		3607
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3609	or return;
2685		3610
2686	my $value = $cf::RUNTIME + 90 + 10;	3611	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3612	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3613	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3623	aio_utime $fh, undef, undef;
2699		3624
2700	close $fh	3625	close $fh
2701	or return;	3626	or return;
2702		3627
2703	aio_rename "$runtime~", $runtime	3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3629	and return;
2705		3630
2706	warn "runtime file written.\n";	3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3632
2708	1	3633	1
		3634	}
		3635
		3636	our $uuid_lock;
		3637	our $uuid_skip;
		3638
		3639	sub write_uuid_sync($) {
		3640	$uuid_skip ||= $_[0];
		3641
		3642	return if $uuid_lock;
		3643	local $uuid_lock = 1;
		3644
		3645	my $uuid = "$LOCALDIR/uuid";
		3646
		3647	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3648	or return;
		3649
		3650	my $value = uuid_seq uuid_cur;
		3651
		3652	unless ($value) {
		3653	warn "cowardly refusing to write zero uuid value!\n";
		3654	return;
		3655	}
		3656
		3657	my $value = uuid_str $value + $uuid_skip;
		3658	$uuid_skip = 0;
		3659
		3660	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3661	and return;
		3662
		3663	# always fsync - this file is important
		3664	aio_fsync $fh
		3665	and return;
		3666
		3667	close $fh
		3668	or return;
		3669
		3670	aio_rename "$uuid~", $uuid
		3671	and return;
		3672
		3673	warn "uuid file written ($value).\n";
		3674
		3675	1
		3676
		3677	}
		3678
		3679	sub write_uuid($$) {
		3680	my ($skip, $sync) = @_;
		3681
		3682	$sync ? write_uuid_sync $skip
		3683	: async { write_uuid_sync $skip };
2709	}	3684	}
2710		3685
2711	sub emergency_save() {	3686	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
2713		3688
2714	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
2715		3690
2716	cf::sync_job {	3691	cf::sync_job {
		3692	# this is a trade-off: we want to be very quick here, so
		3693	# save all maps without fsync, and later call a global sync
		3694	# (which in turn might be very very slow)
		3695	local $USE_FSYNC = 0;
		3696
2717	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3705	$pl->save;
2725	}	3706	}
2726	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
2727		3708
2728	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3712	$map->valid or next;
2732	$map->save;	3713	$map->save;
2733	}	3714	}
2734	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
2735		3716
2736	warn "begin emergency database checkpoint\n";	3717	warn "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3718	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3719	warn "emergency_perl_save: end database checkpoint\n";
		3720
		3721	warn "emergency_perl_save: begin write uuid\n";
		3722	write_uuid_sync 1;
		3723	warn "emergency_perl_save: end write uuid\n";
2739	};	3724	};
2740		3725
		3726	warn "emergency_perl_save: starting sync()\n";
		3727	IO::AIO::aio_sync sub {
		3728	warn "emergency_perl_save: finished sync()\n";
		3729	};
		3730
2741	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
2742	}	3732	}
2743		3733
2744	sub post_cleanup {	3734	sub post_cleanup {
2745	my ($make_core) = @_;	3735	my ($make_core) = @_;
2746		3736
2747	warn Carp::longmess "post_cleanup backtrace"	3737	warn Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3738	if $make_core;
		3739
		3740	my $fh = pidfile;
		3741	unlink $PIDFILE if <$fh> == $$;
		3742	}
		3743
		3744	# a safer delete_package, copied from Symbol
		3745	sub clear_package($) {
		3746	my $pkg = shift;
		3747
		3748	# expand to full symbol table name if needed
		3749	unless ($pkg =~ /^main::.*::$/) {
		3750	$pkg = "main$pkg" if $pkg =~ /^::/;
		3751	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3752	$pkg .= '::' unless $pkg =~ /::$/;
		3753	}
		3754
		3755	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3756	my $stem_symtab = *{$stem}{HASH};
		3757
		3758	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3759	or return;
		3760
		3761	# clear all symbols
		3762	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3763	for my $name (keys %$leaf_symtab) {
		3764	_gv_clear *{"$pkg$name"};
		3765	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3766	}
		3767	warn "cleared package $pkg\n";#d#
2749	}	3768	}
2750		3769
2751	sub do_reload_perl() {	3770	sub do_reload_perl() {
2752	# can/must only be called in main	3771	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2754	warn "can only reload from main coroutine";	3773	warn "can only reload from main coroutine";
2755	return;	3774	return;
2756	}	3775	}
2757		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
2758	warn "reloading...";	3782	warn "reloading...";
2759		3783
2760	warn "entering sync_job";	3784	warn "entering sync_job";
2761		3785
2762	cf::sync_job {	3786	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark	3787	cf::write_runtime_sync; # external watchdog should not bark
2764	cf::emergency_save;	3788	cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark	3789	cf::write_runtime_sync; # external watchdog should not bark
2766		3790
2767	warn "syncing database to disk";	3791	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
2769		3793
2770	# if anything goes wrong in here, we should simply crash as we already saved	3794	# if anything goes wrong in here, we should simply crash as we already saved
2771		3795
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";	3796	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;	3797	while (IO::AIO::nreqs || BDB::nreqs) {
2783	warn "iterate...";	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();
2791
2792	warn "removing commands";
2793	%COMMAND = ();
2794
2795	warn "removing ext commands";
2796	%EXTCMD = ();
2797
2798	warn "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";
2801
2802	if (my $cb = $pkg->can ("unload")) {
2803	eval {
2804	$cb->($pkg);
2805	1
2806	} or warn "$pkg unloaded, but with errors: $@";
2807	}	3799	}
2808		3800
2809	warn "... nuking $pkg";	3801	warn "cancelling all extension coros";
2810	Symbol::delete_package $pkg;	3802	$_->cancel for values %EXT_CORO;
2811	}	3803	%EXT_CORO = ();
2812		3804
2813	warn "unloading all perl modules loaded from $LIBDIR";	3805	warn "removing commands";
2814	while (my ($k, $v) = each %INC) {	3806	%COMMAND = ();
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
2817	warn "... unloading $k";	3814	warn "... unloading $pkg";
2818	delete $INC{$k};
2819		3815
2820	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;
2822
2823	if (my $cb = $k->can ("unload_module")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
2824	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
2825	}	3825	}
2826		3826
2827	Symbol::delete_package $k;	3827	warn "unloading all perl modules loaded from $LIBDIR";
		3828	while (my ($k, $v) = each %INC) {
		3829	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3830
		3831	warn "... unloading $k";
		3832	delete $INC{$k};
		3833
		3834	$k =~ s/\.pm$//;
		3835	$k =~ s/\//::/g;
		3836
		3837	if (my $cb = $k->can ("unload_module")) {
		3838	$cb->();
		3839	}
		3840
		3841	clear_package $k;
2828	}	3842	}
2829		3843
2830	warn "getting rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3846	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3847
2834	warn "unloading cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3851
2838	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3853	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
2841		3855
2842	warn "unload completed, starting to reload now";	3856	warn "unload completed, starting to reload now";
2843		3857
2844	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
2845	require cf;	3859	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
2847		3861
2848	warn "loading config and database again";	3862	warn "loading config and database again";
2849	cf::cfg_load;	3863	cf::reload_config;
2850		3864
2851	warn "loading extensions";	3865	warn "loading extensions";
2852	cf::load_extensions;	3866	cf::load_extensions;
2853		3867
		3868	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3870	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3871	warn "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3873	warn "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3874	reattach $_ for values %PLAYER;
		3875	}
2860		3876
		3877	warn "running post_init jobs";
		3878	(pop @POST_INIT)->(1) while @POST_INIT;
		3879
2861	warn "leaving sync_job";	3880	warn "leaving sync_job";
2862		3881
2863	1	3882	1
2864	} or do {	3883	} or do {
2865	warn $@;	3884	warn $@;
2866	warn "error while reloading, exiting.";	3885	cf::cleanup "error while reloading, exiting.";
2867	exit 1;
2868	};	3886	};
2869		3887
2870	warn "reloaded";	3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
2871	};	3894	};
2872		3895
2873	our $RELOAD_WATCHER; # used only during reload	3896	our $RELOAD_WATCHER; # used only during reload
2874		3897
2875	sub reload_perl() {	3898	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	3899	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	3900	# coro crashes during coro_state_free->destroy here.
2878		3901
2879	$RELOAD_WATCHER ||= Event->timer (	3902	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	3903	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	3904
2882	data => WF_AUTOCANCEL,	3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	3906	do_reload_perl;
2885	undef $RELOAD_WATCHER;	3907	undef $RELOAD_WATCHER;
2886	},	3908	};
2887	);	3909	};
2888	}	3910	}
2889		3911
2890	register_command "reload" => sub {	3912	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
2892		3914
2893	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	3916	$who->message ("reloading server.");
		3917	async {
		3918	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	3919	reload_perl;
		3920	};
2896	}	3921	}
2897	};	3922	};
2898		3923
2899	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
2900		3925
…		…
2902		3927
2903	our @WAIT_FOR_TICK;	3928	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	3929	our @WAIT_FOR_TICK_BEGIN;
2905		3930
2906	sub wait_for_tick {	3931	sub wait_for_tick {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		3933
2910	my $signal = new Coro::Signal;	3934	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	3935	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	3936	$signal->wait;
2913	}	3937	}
2914		3938
2915	sub wait_for_tick_begin {	3939	sub wait_for_tick_begin {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		3941
2919	my $signal = new Coro::Signal;	3942	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	3943	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	3944	$signal->wait;
2922	}	3945	}
2923		3946
2924	my $min = 1e6;#d#	3947	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	3948	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	3950	unless ++$bug_warning > 10;
2936	return;	3951	return;
2937	}	3952	}
2938		3953
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
2942		3955
2943	0 && sync_job {#d#	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		3957
2949	$map->width (50);	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	3960	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	3961	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	3962	write_runtime_sync
2954		3963	or warn "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	3964	};
		3965	}
2965		3966
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	3968	$sig->send;
2982	}	3969	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	3970	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	3971	$sig->send;
2985	}	3972	}
2986		3973
2987	$NOW = Event::time;	3974	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		3976
2998	_post_tick;	3977	if (0) {
2999		3978	if ($NEXT_TICK) {
3000		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
3001	},	3983	}
3002	);	3984	}
3003		3985
3004	{	3986	{
3005	BDB::max_poll_time $TICK * 0.1;	3987	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	3988
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	3989	BDB::min_parallel 16;
3015		3990	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	3991	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		3992
3031	unless ($DB_ENV) {	3993	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	3994	$DB_ENV = BDB::db_env_create;
		3995	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3996	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3997	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3998	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3999	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4000
3034	cf::sync_job {	4001	cf::sync_job {
3035	eval {	4002	eval {
3036	BDB::db_env_open	4003	BDB::db_env_open
3037	$DB_ENV,	4004	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4008	0666;
3042		4009
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4011	};
3048		4012
3049	cf::cleanup "db_env_open(db): $@" if $@;	4013	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4014	};
3051	}	4015	}
		4016
		4017	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4018	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4019	};
		4020	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4021	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4022	};
		4023	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4024	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4025	};
3052	}	4026	}
3053		4027
3054	{	4028	{
		4029	# configure IO::AIO
		4030
3055	IO::AIO::min_parallel 8;	4031	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4032	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4033	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4034	}
3068		4035
3069	my $_log_backtrace;	4036	my $_log_backtrace;
3070		4037
3071	sub _log_backtrace {	4038	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	4041	$msg =~ s/\n//;
3075		4042
3076	# limit the # of concurrent backtraces	4043	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4044	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
3079	async {	4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
3080	my @bt = fork_call {	4050	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4051	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4053	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4054	or die "addr2line: $!";
…		…
3092	}	4062	}
3093		4063
3094	@funcs	4064	@funcs
3095	};	4065	};
3096		4066
3097	LOG llevInfo, "[ABT] $msg\n";	4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4069	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4070	--$_log_backtrace;
3100	};	4071	};
3101	} else {	4072	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4073	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4074	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4075	}
3105	}	4076	}
3106		4077
3107	# load additional modules	4078	# load additional modules
3108	use cf::pod;	4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
3109		4081
3110	END { cf::emergency_save }	4082	END { cf::emergency_save }
3111		4083
3112	1	4084	1
3113		4085

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