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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.336 by root, Tue Aug 21 00:31:18 2007 UTC vs.
Revision 1.515 by root, Thu Apr 15 04:56:47 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 3.64 ();	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;
24	use Coro::Util ();	53	use Coro::Util ();
25		54
26	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
27	use BDB ();	56	use BDB ();
28	use Data::Dumper;	57	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.32 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		115
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	118	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
86		127
87	our %CFG;	128	our %CFG;
88		129
89	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
91		133
92	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
95		137
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		140
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
101	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 $REALLY_UNLOOP; # never set to true, please :)
102		150
103	binmode STDOUT;	151	binmode STDOUT;
104	binmode STDERR;	152	binmode STDERR;
105		153
106	# read virtual server time, if available	154	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
111	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
112		162
113	mkdir $_	163	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		165
116	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
117		167
118	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::"} };
119		180
120	#############################################################################	181	#############################################################################
121		182
122	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
123		184
…		…
159		220
160	The raw value load value from the last tick.	221	The raw value load value from the last tick.
161		222
162	=item %cf::CFG	223	=item %cf::CFG
163		224
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	226	from wherever your confdir points to.
166		227
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		229
169	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
170	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
171	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.
172		233
173	=item @cf::INVOKE_RESULTS	234	=item @cf::INVOKE_RESULTS
174		235
175	This array contains the results of the last C<invoke ()> call. When	236	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	238	that call.
178		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
179	=back	246	=back
180		247
181	=cut	248	=cut
182		249
183	BEGIN {	250	$Coro::State::WARNHOOK = sub {
184	*CORE::GLOBAL::warn = sub {
185	my $msg = join "", @_;	251	my $msg = join "", @_;
186		252
187	$msg .= "\n"	253	$msg .= "\n"
188	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
189		255
190	$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;
191		257
192	utf8::encode $msg;
193	LOG llevError, $msg;	258	LOG llevError, $msg;
194	};	259	};
195	}	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	};
196		274
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	285	for my $pkg (qw(
208	cf::global cf::attachable	286	cf::global cf::attachable
209	cf::object cf::object::player	287	cf::object cf::object::player
210	cf::client cf::player	288	cf::client cf::player
211	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
212	cf::map cf::party cf::region	291	cf::party cf::region
213	)) {	292	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	294	}
217		295
218	$Event::DIED = sub {	296	$EV::DIED = sub {
219	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
220	};	298	};
221		299
222	#############################################################################	300	#############################################################################
223		301
224	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
246	$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;
247	$d	325	$d
248	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
249	}	327	}
250		328
251	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
252		330
253	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
254		332
255	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
256		334
257	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
258		336
259	=cut	337	=cut
260		338
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		340
263	sub to_json ($) { $json_coder->encode ($_[0]) }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[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	}
265		357
266	=item cf::lock_wait $string	358	=item cf::lock_wait $string
267		359
268	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
269		361
270	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
271		363
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
275	returned.	367	returned.
276		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
277	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
278	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
279		374
280	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
281		376
282	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.
283		378
284	=cut	379	=cut
285		380
286	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
287		382
288	sub lock_wait($) {	383	sub lock_wait($) {
289	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	385	}
297		386
298	sub lock_acquire($) {	387	sub lock_acquire($) {
299	my ($key) = @_;	388	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	389	}
311		390
312	sub lock_active($) {	391	sub lock_active($) {
313	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	393	}
317		394
318	sub freeze_mainloop {	395	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
320		397
321	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	399	}
323	};	400
324	$TICK_WATCHER->stop;	401	=item cf::periodic $interval, $cb
325	$guard	402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
326	}	414	}
327		415
328	=item cf::get_slot $time[, $priority[, $name]]	416	=item cf::get_slot $time[, $priority[, $name]]
329		417
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		426
339	=cut	427	=cut
340		428
341	our @SLOT_QUEUE;	429	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
343		432
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
346	my $signal = new Coro::Signal;	437	my $signal = new Coro::Signal;
		438	my $busy;
347		439
348	while () {	440	while () {
349	next_job:	441	next_job:
		442
350	my $avail = cf::till_tick;	443	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	444
352	for (0 .. $#SLOT_QUEUE) {	445	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	448	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	449	$job->[2]->send;
356	Coro::cede;	450	Coro::cede;
357	goto next_job;	451	goto next_job;
358	}	452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	454	}
360	}	455	}
361		456
362	if (@SLOT_QUEUE) {	457	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	459	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	460	$signal->wait;
366	} else {	461	} else {
		462	$busy = 0;
367	Coro::schedule;	463	Coro::schedule;
368	}	464	}
369	}	465	}
370	};	466	};
371		467
372	sub get_slot($;$$) {	468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
373	my ($time, $pri, $name) = @_;	471	my ($time, $pri, $name) = @_;
374		472
375	$time = $TICK * .6 if $time > $TICK * .6;	473	$time = clamp $time, 0.01, $TICK * .6;
		474
376	my $sig = new Coro::Signal;	475	my $sig = new Coro::Signal;
377		476
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	479	$SLOT_QUEUE->ready;
…		…
391		490
392	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
393		492
394	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
395		494
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
397	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
398	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
399	acceptable.	498	acceptable.
400		499
401	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
402	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
…		…
407		506
408	sub sync_job(&) {	507	sub sync_job(&) {
409	my ($job) = @_;	508	my ($job) = @_;
410		509
411	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	511	my $time = AE::time;
413		512
414	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
416		515
417	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	517
419	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
420		519
421	my $busy = 1;	520	my $busy = 1;
422	my @res;	521	my @res;
423		522
424	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	525	@res = eval { $job->() };
426	warn $@ if $@;	526	warn $@ if $@;
427	undef $busy;	527	undef $busy;
428	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
429		529
430	while ($busy) {	530	while ($busy) {
431	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
432	}	535	}
		536	}
433		537
434	$time = Event::time - $time;	538	my $time = AE::time - $time;
435		539
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
440		541
441	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
442	} else {	543	} else {
443	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
444		545
…		…
469	=item fork_call { }, $args	570	=item fork_call { }, $args
470		571
471	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
472	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
475		576
476	=cut	577	=cut
477		578
478	sub fork_call(&@) {	579	sub fork_call(&@) {
479	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
480		581
481	# we seemingly have to make a local copy of the whole thing,	582	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	583	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	584	# TODO: investigate and fix (likely this will be rather laborious)
484		585
485	my @res = Coro::Util::fork_eval {	586	my @res = Coro::Util::fork_eval {
486	reset_signals;	587	reset_signals;
487	&$cb	588	&$cb
488	}, @args;	589	}, @args;
489		590
490	wantarray ? @res : $res[-1]	591	wantarray ? @res : $res[-1]
491	}	592	}
492		593
		594	sub objinfo {
		595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
493	=item $value = cf::db_get $family => $key	632	=item $value = cf::db_get $family => $key
494		633
495	Returns a single value from the environment database.	634	Returns a single value from the environment database.
496		635
497	=item cf::db_put $family => $key => $value	636	=item cf::db_put $family => $key => $value
498		637
499	Stores the given C<$value> in the family. It can currently store binary	638	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
502	=cut	646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
503		664
504	our $DB;	665	our $DB;
505		666
506	sub db_init {	667	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	668	cf::sync_job {
511	eval {	669	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	670	};
521	}	671	}
522		672
523	sub db_get($$) {	673	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	674	my $key = "$_[0]/$_[1]";
525		675
…		…
575	if (1) {	725	if (1) {
576	$md5 =	726	$md5 =
577	join "\x00",	727	join "\x00",
578	$processversion,	728	$processversion,
579	map {	729	map {
580	Coro::cede;	730	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	731	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	732	} 0.. $#$src;
583		733
584		734
585	my $dbmd5 = db_get cache => "$id/md5";	735	my $dbmd5 = db_get cache => "$id/md5";
…		…
623		773
624	#############################################################################	774	#############################################################################
625		775
626	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
627		777
628	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
631		781
632	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	784	Deliantra).
635		785
636	=over 4	786	=over 4
637		787
638	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
639		789
…		…
683	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
684		834
685	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
687		837
688	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
690		840
691	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
692		842
693	=over 4	843	=over 4
…		…
921	}	1071	}
922		1072
923	0	1073	0
924	}	1074	}
925		1075
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1077
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1079
930	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
931		1081
…		…
937		1087
938	=cut	1088	=cut
939		1089
940	#############################################################################	1090	#############################################################################
941	# object support	1091	# object support
942	#
943		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
944	sub _can_merge {	1126	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1127	my ($ob1, $ob2) = @_;
946		1128
947	local $Storable::canonical = 1;	1129	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1130
951	$fob1 eq $fob2	1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
952	}	1133	}
953		1134
954	sub reattach {	1135	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1137	my ($obj) = @_;
957		1138
		1139	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1141
960	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
961		1143
962	@$registry = ();	1144	@$registry = ();
963		1145
…		…
978	cf::attachable->attach (	1160	cf::attachable->attach (
979	prio => -1000000,	1161	prio => -1000000,
980	on_instantiate => sub {	1162	on_instantiate => sub {
981	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
982		1164
983	$data = from_json $data;	1165	$data = decode_json $data;
984		1166
985	for (@$data) {	1167	for (@$data) {
986	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
987		1169
988	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1186	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
1006		1188
1007	sync_job {	1189	sync_job {
1008	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
1011		1194
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	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	}
1016	close $fh;	1202	aio_close $fh;
1017		1203
1018	if (@$objs) {	1204	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	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;
		1211	aio_fsync $fh;
		1212	}
1024	close $fh;	1213	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1215	}
1027	} else {	1216	} else {
1028	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
1029	}	1218	}
1030		1219
1031	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1224	} else {
1033	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
1034	}	1226	}
1035	} else {	1227	} else {
1036	aio_unlink $filename;	1228	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
1038	}	1230	}
1039	}	1231	};
1040	}	1232	}
1041		1233
1042	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
1044		1236
…		…
1056	or return;	1248	or return;
1057		1249
1058	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1252	or return;
		1253
1061	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
1062	}	1256	}
1063		1257
		1258	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1260	$decname, length $data, scalar @{$av || []};
		1261
1066	return ($data, $av);	1262	($data, $av)
1067	}	1263	}
1068		1264
1069	=head2 COMMAND CALLBACKS	1265	=head2 COMMAND CALLBACKS
1070		1266
1071	=over 4	1267	=over 4
…		…
1125	my ($name, $cb) = @_;	1321	my ($name, $cb) = @_;
1126		1322
1127	$EXTICMD{$name} = $cb;	1323	$EXTICMD{$name} = $cb;
1128	}	1324	}
1129		1325
		1326	use File::Glob ();
		1327
1130	cf::player->attach (	1328	cf::player->attach (
1131	on_command => sub {	1329	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
1133		1331
1134	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
1135	or return;	1333	or return;
1136		1334
…		…
1149	my ($type, $reply, @payload) =	1347	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1348	"ARRAY" eq ref $msg
1151	? @$msg	1349	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1351
		1352	my @reply;
		1353
1154	if (my $cb = $EXTCMD{$type}) {	1354	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1355	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
1160	} else {	1361	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1363	}
1163		1364
1164	cf::override;	1365	cf::override;
1165	},	1366	},
1166	);	1367	);
		1368
		1369	# "readahead" all extensions
		1370	sub cache_extensions {
		1371	my $grp = IO::AIO::aio_group;
		1372
		1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1374	for (grep /\.ext$/, @{$_[0]}) {
		1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1376	}
		1377	};
		1378
		1379	$grp
		1380	}
1167		1381
1168	sub load_extensions {	1382	sub load_extensions {
1169	cf::sync_job {	1383	cf::sync_job {
1170	my %todo;	1384	my %todo;
1171		1385
…		…
1191		1405
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1408
1195	$ext{source} =	1409	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1197	. "#line 1 \"$path\"\n{\n"	1411	. "#line 1 \"$path\"\n{\n"
1198	. $source	1412	. $source
1199	. "\n};\n1";	1413	. "\n};\n1";
1200		1414
1201	$todo{$base} = \%ext;	1415	$todo{$base} = \%ext;
1202	}	1416	}
1203		1417
		1418	my $pass = 0;
1204	my %done;	1419	my %done;
1205	while (%todo) {	1420	while (%todo) {
1206	my $progress;	1421	my $progress;
1207		1422
		1423	++$pass;
		1424
		1425	ext:
1208	while (my ($k, $v) = each %todo) {	1426	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1427	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1428	next ext
1211	unless exists $done{$_};	1429	unless exists $done{$_};
1212	}	1430	}
1213		1431
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1433
1216	unless (eval $v->{source}) {	1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1437	warn "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1440	if exists $v->{meta}{mandatory};
1221	warn $msg;	1441	} else {
1222	warn "mandatory extension failed to load, exiting.\n";	1442	$done{$k} = delete $todo{$k};
1223	exit 1;	1443	push @EXTS, $v->{pkg};
1224	}	1444	$progress = 1;
1225		1445
1226	warn $msg;	1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
1227	}	1448	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1449	}
1233		1450
1234	skip:	1451	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
1237	}	1459	}
1238	};	1460	};
1239	}	1461	}
1240		1462
1241	#############################################################################	1463	#############################################################################
1242		1464
1243	=back	1465	=back
1244		1466
1245	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1246		1468
1247	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1248		1470
1249	=cut	1471	=cut
1250		1472
1251	package cf::player;	1473	package cf::player;
1252		1474
1253	use Coro::AIO;	1475	use Coro::AIO;
1254		1476
1255	=head3 cf::player	1477	=head3 cf::player
1256		1478
1257	=over 4	1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
1258		1494
1259	=item cf::player::find $login	1495	=item cf::player::find $login
1260		1496
1261	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1262		1498
…		…
1281		1517
1282	sub exists($) {	1518	sub exists($) {
1283	my ($login) = @_;	1519	my ($login) = @_;
1284		1520
1285	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1287	}	1523	}
1288		1524
1289	sub find($) {	1525	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1527	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1538
1303	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1306	}	1548	}
1307	}	1549	}
1308	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1309		1564
1310	sub save($) {	1565	sub save($) {
1311	my ($pl) = @_;	1566	my ($pl) = @_;
1312		1567
1313	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1319		1574
1320	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1322		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1323	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1324	Coro::cede;	1584	cf::cede_to_tick;
1325	}	1585	}
1326		1586
1327	sub new($) {	1587	sub new($) {
1328	my ($login) = @_;	1588	my ($login) = @_;
1329		1589
…		…
1358	my ($pl) = @_;	1618	my ($pl) = @_;
1359		1619
1360	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1361		1621
1362	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1624
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1369		1631
1370	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1669	or return [];
1408		1670
1409	my @logins;	1671	my @logins;
1410		1672
1411	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1415		1683
1416	utf8::decode $login;	1684	utf8::decode $login;
1417	push @logins, $login;	1685	push @logins, $login;
1418	}	1686	}
1419		1687
…		…
1446	}	1714	}
1447		1715
1448	\@paths	1716	\@paths
1449	}	1717	}
1450		1718
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1720
1453	Expand crossfire pod fragments into protocol xml.	1721	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1722
1501	=item $player->ext_reply ($msgid, @msg)	1723	=item $player->ext_reply ($msgid, @msg)
1502		1724
1503	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1504		1726
…		…
1571	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1572	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1573		1795
1574	sub generate_random_map {	1796	sub generate_random_map {
1575	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1576	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1577	$self->_create_random_map (	1802	$self->_create_random_map (
1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1581	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1582	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1702		1927
1703	# the temporary/swap location	1928	# the temporary/swap location
1704	sub save_path {	1929	sub save_path {
1705	my ($self) = @_;	1930	my ($self) = @_;
1706		1931
1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1708	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1709	}	1934	}
1710		1935
1711	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1712	sub uniq_path {	1937	sub uniq_path {
1713	my ($self) = @_;	1938	my ($self) = @_;
1714		1939
1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1716	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1717	}
1718
1719	# and all this just because we cannot iterate over
1720	# all maps in C++...
1721	sub change_all_map_light {
1722	my ($change) = @_;
1723
1724	$_->change_map_light ($change)
1725	for grep $_->outdoor, values %cf::MAP;
1726	}	1942	}
1727		1943
1728	sub decay_objects {	1944	sub decay_objects {
1729	my ($self) = @_;	1945	my ($self) = @_;
1730		1946
…		…
1743		1959
1744	sub load_header_from($) {	1960	sub load_header_from($) {
1745	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1746		1962
1747	utf8::encode $path;	1963	utf8::encode $path;
1748	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1749	# or return;
1750
1751	$self->_load_header ($path)
1752	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1753		1972
1754	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1755		1974
1756	1	1975	1
1757	}	1976	}
…		…
1811	sub find {	2030	sub find {
1812	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1813		2032
1814	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1815		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1816	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1817		2037
1818	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1819	my $guard = cf::lock_acquire "map_find:$path";
1820	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1821	or return;	2040	or return;
1822		2041
1823	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1824		2043
…		…
1826	or return;	2045	or return;
1827		2046
1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1830	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1831	$map->reset;	2052	$map->reset;
1832	undef $guard;
1833	return find $path;	2053	return find $path;
1834	}	2054	}
1835		2055
1836	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1837	}	2057	}
1838	}	2058	}
1839		2059
1840	sub pre_load { }	2060	sub pre_load { }
1841	sub post_load { }	2061	#sub post_load { } # XS
1842		2062
1843	sub load {	2063	sub load {
1844	my ($self) = @_;	2064	my ($self) = @_;
1845		2065
1846	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1847		2067
1848	my $path = $self->{path};	2068	my $path = $self->{path};
1849		2069
1850	{	2070	{
1851	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1852		2072
		2073	return unless $self->valid;
1853	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1854		2075
1855	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1856		2077
1857	$self->alloc;	2078	$self->alloc;
1858		2079
1859	$self->pre_load;	2080	$self->pre_load;
1860	Coro::cede;	2081	cf::cede_to_tick;
1861		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1862	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1863	or return;	2086	or return;
1864		2087
1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1866	if delete $self->{load_original};	2089	if delete $self->{load_original};
1867		2090
1868	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1869	utf8::encode $uniq;	2092	utf8::encode $uniq;
1870	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1871	$self->clear_unique_items;	2095	$self->clear_unique_items;
1872	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1873	}	2099	}
1874	}	2100	}
1875		2101
1876	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1877	# now do the right thing for maps	2105	# now do the right thing for maps
1878	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1879	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1880	unless $self->difficulty;	2108	unless $self->difficulty;
1881	Coro::cede;	2109	cf::cede_to_tick;
1882		2110
1883	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1884	$self->decay_objects;	2112	$self->decay_objects;
1885	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1886	$self->update_buttons;	2114	$self->update_buttons;
1887	Coro::cede;	2115	cf::cede_to_tick;
1888	$self->set_darkness_map;
1889	Coro::cede;
1890	$self->activate;	2116	$self->activate;
1891	}	2117	}
1892		2118
1893	$self->{last_save} = $cf::RUNTIME;	2119	$self->{last_save} = $cf::RUNTIME;
1894	$self->last_access ($cf::RUNTIME);	2120	$self->last_access ($cf::RUNTIME);
1895		2121
1896	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1897	}	2123	}
1898		2124
1899	$self->post_load;	2125	$self->post_load;
1900	}	2126	}
1901		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1902	sub customise_for {	2131	sub customise_for {
1903	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1904		2133
1905	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1906	if $self->per_player;	2135	if $self->per_player;
…		…
1944	}	2173	}
1945		2174
1946	sub do_load_sync {	2175	sub do_load_sync {
1947	my ($map) = @_;	2176	my ($map) = @_;
1948		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1949	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1950	}	2182	}
1951		2183
1952	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1953	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1954		2186
1955	sub find_async {	2187	sub find_async {
1956	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1957		2189
1958	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1959		2191
1960	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1962	}	2194	}
1963		2195
1964	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1965	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1966	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1967	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1968	if (my $map = find $path) {	2203	if (my $map = find $k) {
1969	$map->load;	2204	$map->load if $v;
1970	}	2205	}
1971		2206
1972	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1973	}	2208	}
1974	}	2209	}
1975	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1976	};	2211	};
1977	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
…		…
1980	}	2215	}
1981		2216
1982	sub save {	2217	sub save {
1983	my ($self) = @_;	2218	my ($self) = @_;
1984		2219
1985	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1986		2221
1987	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1988		2223
1989	return unless $self->dirty;	2224	return unless $self->dirty;
1990		2225
…		…
1996	return if $self->{deny_save};	2231	return if $self->{deny_save};
1997		2232
1998	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1999		2234
2000	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
2001	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
2002	};	2238	};
		2239
		2240	cf::get_slot 0.02;
2003		2241
2004	if ($uniq) {	2242	if ($uniq) {
2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2007	} else {	2245	} else {
…		…
2013	my ($self) = @_;	2251	my ($self) = @_;
2014		2252
2015	# save first because save cedes	2253	# save first because save cedes
2016	$self->save;	2254	$self->save;
2017		2255
2018	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
2019		2257
2020	return if $self->players;	2258	return if $self->players;
2021	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
2022	return if $self->{deny_save};	2260	return if $self->{deny_save};
2023		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
2024	$self->clear;	2266	$self->clear;
2025	$self->in_memory (cf::MAP_SWAPPED);
2026	}	2267	}
2027		2268
2028	sub reset_at {	2269	sub reset_at {
2029	my ($self) = @_;	2270	my ($self) = @_;
2030		2271
…		…
2048		2289
2049	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2291
2051	return if $self->players;	2292	return if $self->players;
2052		2293
2053	warn "resetting map ", $self->path;	2294	warn "resetting map ", $self->path, "\n";
2054		2295
2055	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
2056		2297
2057	# need to save uniques path	2298	# need to save uniques path
2058	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
2062	if $uniq;	2303	if $uniq;
2063	}	2304	}
2064		2305
2065	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
2066		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
2067	$self->clear;	2310	$self->clear;
2068
2069	$_->clear_links_to ($self) for values %cf::MAP;
2070		2311
2071	$self->unlink_save;	2312	$self->unlink_save;
2072	$self->destroy;	2313	$self->destroy;
2073	}	2314	}
2074		2315
2075	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
2076		2317
2077	sub nuke {	2318	sub nuke {
2078	my ($self) = @_;	2319	my ($self) = @_;
2079		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
2080	delete $cf::MAP{$self->path};	2324	delete $cf::MAP{$self->path};
2081		2325
2082	$self->unlink_save;	2326	$self->unlink_save;
2083		2327
2084	bless $self, "cf::map";	2328	bless $self, "cf::map";
2085	delete $self->{deny_reset};	2329	delete $self->{deny_reset};
2086	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
2087	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089		2333
2090	$cf::MAP{$self->path} = $self;	2334	$cf::MAP{$self->path} = $self;
		2335	}
2091		2336
2092	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
2093	}	2338	}
2094		2339
2095	=item $maps = cf::map::tmp_maps	2340	=item $maps = cf::map::tmp_maps
…		…
2137		2382
2138	sub unique_maps() {	2383	sub unique_maps() {
2139	[	2384	[
2140	map {	2385	map {
2141	utf8::decode $_;	2386	utf8::decode $_;
2142	/\.map$/	2387	s/\.map$//; # TODO future compatibility hack
		2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2389	? ()
2143	? normalise $_	2390	: normalise $_
2144	: ()
2145	} @{ aio_readdir $UNIQUEDIR or [] }	2391	} @{ aio_readdir $UNIQUEDIR or [] }
2146	]	2392	]
2147	}	2393	}
2148		2394
2149	package cf;	2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
2150		2426
2151	=back	2427	=back
2152		2428
2153	=head3 cf::object	2429	=head3 cf::object
2154		2430
…		…
2158		2434
2159	=over 4	2435	=over 4
2160		2436
2161	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
2162		2438
2163	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
2164		2441
2165	=cut	2442	=cut
2166		2443
2167	sub inv_recursive_;	2444	sub inv_recursive_;
2168	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
2171		2448
2172	sub inv_recursive {	2449	sub inv_recursive {
2173	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
2174	}	2451	}
2175		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
2176	package cf;	2481	package cf;
2177		2482
2178	=back	2483	=back
2179		2484
2180	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
2186	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2187	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
2188	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
2189		2494
2190	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
2191		2510
2192	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
2193	# with dialog boxes.	2512	# with dialog boxes.
2194	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
2195	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
2207	my $dialog = $pl->{npc_dialog};	2526	my $dialog = $pl->{npc_dialog};
2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2209		2528
2210	} else {	2529	} else {
2211	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
2212	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2213	}	2532	}
2214	}	2533	}
2215	}	2534	}
2216		2535
2217	=item $object->send_msg ($channel, $msg, $color, [extra...])	2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2242		2561
2243	=item $player_object->enter_link	2562	=item $player_object->enter_link
2244		2563
2245	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
2246		2565
2247	The player should be reasonably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
2248	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
2249		2570
2250	Will never block.	2571	Will never block.
2251		2572
2252	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
2253		2574
…		…
2305	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
2306	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
2307		2628
2308	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
2309	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
2310	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
2311		2632
2312	$map->load;	2633	$map->load;
2313	$map->load_neighbours;	2634	$map->load_neighbours;
2314		2635
2315	return unless $self->contr->active;	2636	return unless $self->contr->active;
2316	$self->activate_recursive;
2317		2637
2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2319	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
		2640
		2641	# only activate afterwards, to support waiting in hooks
		2642	$self->activate_recursive;
2320	}	2643	}
2321		2644
2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2323		2646
2324	Moves the player to the given map-path and coordinates by first freezing	2647	Moves the player to the given map-path and coordinates by first freezing
2325	her, loading and preparing them map, calling the provided $check callback	2648	her, loading and preparing them map, calling the provided $check callback
2326	that has to return the map if sucecssful, and then unfreezes the player on	2649	that has to return the map if sucecssful, and then unfreezes the player on
2327	the new (success) or old (failed) map position. In either case, $done will	2650	the new (success) or old (failed) map position. In either case, $done will
2328	be called at the end of this process.	2651	be called at the end of this process.
2329		2652
		2653	Note that $check will be called with a potentially non-loaded map, so if
		2654	it needs a loaded map it has to call C<< ->load >>.
		2655
2330	=cut	2656	=cut
2331		2657
2332	our $GOTOGEN;	2658	our $GOTOGEN;
2333		2659
2334	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
…		…
2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339		2665
2340	$self->enter_link;	2666	$self->enter_link;
2341		2667
2342	(async {	2668	(async {
		2669	$Coro::current->{desc} = "player::goto $path $x $y";
		2670
		2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
2343	my $map = eval {	2690	my $map = eval {
2344	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
2345		2692
2346	if ($map) {	2693	if ($map) {
2347	$map = $map->customise_for ($self);	2694	$map = $map->customise_for ($self);
2348	$map = $check->($map) if $check && $map;	2695	$map = $check->($map) if $check && $map;
2349	} else {	2696	} else {
2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2351	}	2698	}
2352		2699
2353	$map	2700	$map
2354	};	2701	};
2355		2702
…		…
2391	}	2738	}
2392		2739
2393	sub prepare_random_map {	2740	sub prepare_random_map {
2394	my ($exit) = @_;	2741	my ($exit) = @_;
2395		2742
2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
2397
2398	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
2399	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
2400	# that depends on the exit object	2745	# that depends on the exit object
2401		2746
2402	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
2404	if ($exit->map) {	2749	if ($exit->map) {
2405	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
2406	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
2407	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
2408	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
2409	}	2756	}
2410		2757
2411	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
2412		2759
2413	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2414	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
2415	my $meta = "$RANDOMDIR/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
2416		2763
2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
2419	undef $fh;	2766	undef $fh;
2420	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
2421		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
2422	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2423	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2424	}	2775	}
2425	}	2776	}
2426		2777
2427	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2428	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2429		2780
2430	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2431		2782
2432	if ($exit->slaying eq "/!") {
2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
2434	# the problem is that $exit might not survive long enough
2435	# so it needs to be done right now, right here
2436	cf::sync_job { prepare_random_map $exit };
2437	}
2438
2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2440	my $hp = $exit->stats->hp;
2441	my $sp = $exit->stats->sp;
2442
2443	$self->enter_link;	2783	$self->enter_link;
2444		2784
2445	# if exit is damned, update players death & WoR home-position
2446	$self->contr->savebed ($slaying, $hp, $sp)
2447	if $exit->flag (FLAG_DAMNED);
2448
2449	(async {	2785	(async {
2450	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2451	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
		2795	prepare_random_map $exit
		2796	if $exit->slaying eq "/!";
		2797	}
		2798
		2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
		2802
2452	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2453		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
2454	1;	2809	1
2455	}) {	2810	}) {
2456	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2457	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
2458	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2459	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2460		2815
2461	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2478	sub cf::client::send_drawinfo {	2833	sub cf::client::send_drawinfo {
2479	my ($self, $text, $flags) = @_;	2834	my ($self, $text, $flags) = @_;
2480		2835
2481	utf8::encode $text;	2836	utf8::encode $text;
2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2838	}
		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
2483	}	2863	}
2484		2864
2485	=item $client->send_msg ($channel, $msg, $color, [extra...])	2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
2486		2866
2487	Send a drawinfo or msg packet to the client, formatting the msg for the	2867	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2489	the message, with C<log> being the default. If C<$color> is negative, suppress	2869	the message, with C<log> being the default. If C<$color> is negative, suppress
2490	the message unless the client supports the msg packet.	2870	the message unless the client supports the msg packet.
2491		2871
2492	=cut	2872	=cut
2493		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
2494	sub cf::client::send_msg {	2988	sub cf::client::send_msg {
2495	my ($self, $channel, $msg, $color, @extra) = @_;	2989	my ($self, $channel, $msg, $color, @extra) = @_;
2496		2990
2497	$msg = $self->pl->expand_cfpod ($msg);	2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
2498		2993
2499	$color &= cf::NDI_CLIENT_MASK; # just in case...	2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
2500		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
2501	if (ref $channel) {	3003	} elsif (ref $channel) {
2502	# send meta info to client, if not yet sent	3004	# send meta info to client, if not yet sent
2503	unless (exists $self->{channel}{$channel->{id}}) {	3005	unless (exists $self->{channel}{$channel->{id}}) {
2504	$self->{channel}{$channel->{id}} = $channel;	3006	$self->{channel}{$channel->{id}} = $channel;
2505	$self->ext_msg (channel_info => $channel);	3007	$self->ext_msg (channel_info => $channel);
2506	}	3008	}
…		…
2508	$channel = $channel->{id};	3010	$channel = $channel->{id};
2509	}	3011	}
2510		3012
2511	return unless @extra || length $msg;	3013	return unless @extra || length $msg;
2512		3014
2513	if ($self->can_msg) {
2514	# default colour, mask it out	3015	# default colour, mask it out
2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2516	if $color & cf::NDI_DEF;	3017	if $color & cf::NDI_DEF;
2517		3018
2518	$self->send_packet ("msg " . $self->{json_coder}->encode (	3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2520	} else {	3022	);
2521	if ($color >= 0) {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3023
2532	$color &= cf::NDI_COLOR_MASK;	3024	$self->send_big_packet ($pkt);
2533
2534	utf8::encode $msg;
2535
2536	if (0 && $msg =~ /\[/) {
2537	# COMMAND/INFO
2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
2539	} else {
2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2541	$self->send_packet ("drawinfo $color $msg")
2542	}
2543	}
2544	}
2545	}	3025	}
2546		3026
2547	=item $client->ext_msg ($type, @msg)	3027	=item $client->ext_msg ($type, @msg)
2548		3028
2549	Sends an ext event to the client.	3029	Sends an ext event to the client.
…		…
2551	=cut	3031	=cut
2552		3032
2553	sub cf::client::ext_msg($$@) {	3033	sub cf::client::ext_msg($$@) {
2554	my ($self, $type, @msg) = @_;	3034	my ($self, $type, @msg) = @_;
2555		3035
2556	my $extcmd = $self->extcmd;
2557
2558	if ($extcmd == 2) {	3036	if ($self->extcmd == 2) {
2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560	} elsif ($extcmd == 1) { # TODO: remove	3038	} elsif ($self->extcmd == 1) { # TODO: remove
2561	push @msg, msgtype => "event_$type";	3039	push @msg, msgtype => "event_$type";
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563	}	3041	}
2564	}	3042	}
2565		3043
2566	=item $client->ext_reply ($msgid, @msg)	3044	=item $client->ext_reply ($msgid, @msg)
2567		3045
…		…
2571		3049
2572	sub cf::client::ext_reply($$@) {	3050	sub cf::client::ext_reply($$@) {
2573	my ($self, $id, @msg) = @_;	3051	my ($self, $id, @msg) = @_;
2574		3052
2575	if ($self->extcmd == 2) {	3053	if ($self->extcmd == 2) {
2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577	} elsif ($self->ns->extcmd == 1) {	3055	} elsif ($self->extcmd == 1) {
2578	#TODO: version 1, remove	3056	#TODO: version 1, remove
2579	unshift @msg, msgtype => "reply", msgid => $id;	3057	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3059	}
2582	}	3060	}
2583		3061
2584	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2585		3063
…		…
2646	my ($type, $reply, @payload) =	3124	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3125	"ARRAY" eq ref $msg
2648	? @$msg	3126	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3128
		3129	my @reply;
		3130
2651	if (my $cb = $EXTICMD{$type}) {	3131	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3132	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
2657	} else {	3138	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3140	}
2660		3141
2661	cf::override;	3142	cf::override;
…		…
2683		3164
2684	$coro	3165	$coro
2685	}	3166	}
2686		3167
2687	cf::client->attach (	3168	cf::client->attach (
2688	on_destroy => sub {	3169	on_client_destroy => sub {
2689	my ($ns) = @_;	3170	my ($ns) = @_;
2690		3171
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3173	},
2693	);	3174	);
…		…
2709	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2710		3191
2711	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2712		3193
2713	$safe->permit_only (Opcode::opset qw(	3194	$safe->permit_only (Opcode::opset qw(
2714	:base_core :base_mem :base_orig :base_math	3195	:base_core :base_mem :base_orig :base_math :base_loop
2715	grepstart grepwhile mapstart mapwhile	3196	grepstart grepwhile mapstart mapwhile
2716	sort time	3197	sort time
2717	));	3198	));
2718		3199
2719	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
…		…
2721	=pod	3202	=pod
2722		3203
2723	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2724		3205
2725	cf::object	3206	cf::object
2726	contr pay_amount pay_player map x y force_find force_add	3207	contr pay_amount pay_player map x y force_find force_add destroy
2727	insert remove name archname title slaying race	3208	insert remove name archname title slaying race decrease split
		3209	value
2728		3210
2729	cf::object::player	3211	cf::object::player
2730	player	3212	player
2731		3213
2732	cf::player	3214	cf::player
…		…
2737		3219
2738	=cut	3220	=cut
2739		3221
2740	for (	3222	for (
2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2742	insert remove inv name archname title slaying race)],	3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
2743	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2744	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2745	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2746	) {	3229	) {
2747	no strict 'refs';	3230	no strict 'refs';
2748	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2749	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2767		3250
2768	my $qcode = $code;	3251	my $qcode = $code;
2769	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2770	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2771		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2772	local $_;	3258	local $_;
2773	local @safe::cf::_safe_eval_args = values %vars;
2774		3259
2775	my $eval =	3260	my $eval =
2776	"do {\n"	3261	"do {\n"
2777	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2778	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2779	. $code	3264	. $code
2780	. "\n}"	3265	. "\n}"
2781	;	3266	;
2782		3267
		3268	if ($CFG{safe_eval}) {
2783	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2784	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2785	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2786		3277
2787	if ($@) {	3278	if ($@) {
2788	warn "$@";	3279	warn "$@";
2789	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2790	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2809	=cut	3300	=cut
2810		3301
2811	sub register_script_function {	3302	sub register_script_function {
2812	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2813		3304
2814	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2815	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2816	}	3307	}
2817		3308
2818	=back	3309	=back
2819		3310
2820	=cut	3311	=cut
…		…
2823	# the server's init and main functions	3314	# the server's init and main functions
2824		3315
2825	sub load_facedata($) {	3316	sub load_facedata($) {
2826	my ($path) = @_;	3317	my ($path) = @_;
2827		3318
		3319	# HACK to clear player env face cache, we need some signal framework
		3320	# for this (global event?)
		3321	%ext::player_env::MUSIC_FACE_CACHE = ();
		3322
2828	my $enc = JSON::XS->new->utf8->canonical;	3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829		3324
2830	warn "loading facedata from $path\n";	3325	warn "loading facedata from $path\n";
2831		3326
2832	my $facedata;	3327	my $facedata;
2833	0 < aio_load $path, $facedata	3328	0 < aio_load $path, $facedata
…		…
2837		3332
2838	$facedata->{version} == 2	3333	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2840		3335
2841	# patch in the exptable	3336	# patch in the exptable
		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2842	$facedata->{resource}{"res/exp_table"} = {	3338	$facedata->{resource}{"res/exp_table"} = {
2843	type => FT_RSRC,	3339	type => FT_RSRC,
2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),	3340	data => $exp_table,
		3341	hash => (Digest::MD5::md5 $exp_table),
2845	};	3342	};
2846	cf::cede_to_tick;	3343	cf::cede_to_tick;
2847		3344
2848	{	3345	{
2849	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2850		3347
2851	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2853	cf::face::set_visibility $idx, $info->{visibility};	3351	cf::face::set_visibility $idx, $info->{visibility};
2854	cf::face::set_magicmap $idx, $info->{magicmap};	3352	cf::face::set_magicmap $idx, $info->{magicmap};
2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2857		3355
2858	cf::cede_to_tick;	3356	cf::cede_to_tick;
2859	}	3357	}
2860		3358
2861	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2862	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2863	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2864	or next;	3363	or next;
		3364
2865	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
2866	cf::face::set_smooth $idx, $smooth;	3366	cf::face::set_smooth $idx, $smooth;
2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868	} else {	3368	} else {
2869	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2883		3383
2884	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2885	}	3385	}
2886		3386
2887	{	3387	{
2888	# TODO: for gcfclient pleasure, we should give resources
2889	# that gcfclient doesn't grok a >10000 face index.
2890	my $res = $facedata->{resource};	3388	my $res = $facedata->{resource};
2891		3389
2892	my $soundconf = delete $res->{"res/sound.conf"};
2893
2894	while (my ($name, $info) = each %$res) {	3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896	my $data;
2897		3393
2898	if ($info->{type} & 1) {	3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2899	# prepend meta info	3395	cf::face::set_type $idx, $info->{type};
2900		3396	} else {
2901	my $meta = $enc->encode ({	3397	$RESOURCE{$name} = $info;
2902	name => $name,
2903	%{ $info->{meta} || {} },
2904	});
2905
2906	$data = pack "(w/a*)*", $meta, $info->{data};
2907	}	3398	}
2908		3399
2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2910	cf::face::set_type $idx, $info->{type};
2911
2912	cf::cede_to_tick;	3400	cf::cede_to_tick;
2913	}	3401	}
2914
2915	if ($soundconf) {
2916	$soundconf = $enc->decode (delete $soundconf->{data});
2917
2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2919	my $sound = $soundconf->{compat}[$_]
2920	or next;
2921
2922	my $face = cf::face::find "sound/$sound->[1]";
2923	cf::sound::set $sound->[0] => $face;
2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2925	}
2926
2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
2928	my $face = cf::face::find "sound/$v";
2929	cf::sound::set $k => $face;
2930	}
2931	}
2932	}	3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2933		3405
2934	1	3406	1
2935	}	3407	}
		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
2936		3428
2937	register_exticmd fx_want => sub {	3429	register_exticmd fx_want => sub {
2938	my ($ns, $want) = @_;	3430	my ($ns, $want) = @_;
2939		3431
2940	while (my ($k, $v) = each %$want) {	3432	while (my ($k, $v) = each %$want) {
2941	$ns->fx_want ($k, $v);	3433	$ns->fx_want ($k, $v);
2942	}	3434	}
2943	};	3435	};
2944		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
2945	sub reload_regions {	3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
2946	load_resource_file "$MAPDIR/regions"	3452	load_resource_file "$MAPDIR/regions"
2947	or die "unable to load regions file\n";	3453	or die "unable to load regions file\n";
2948		3454
2949	for (cf::region::list) {	3455	for (cf::region::list) {
2950	$_->{match} = qr/$_->{match}/	3456	$_->{match} = qr/$_->{match}/
…		…
2958	}	3464	}
2959		3465
2960	sub reload_archetypes {	3466	sub reload_archetypes {
2961	load_resource_file "$DATADIR/archetypes"	3467	load_resource_file "$DATADIR/archetypes"
2962	or die "unable to load archetypes\n";	3468	or die "unable to load archetypes\n";
2963	#d# NEED to laod twice to resolve forward references
2964	# this really needs to be done in an extra post-pass
2965	# (which needs to be synchronous, so solve it differently)
2966	load_resource_file "$DATADIR/archetypes"
2967	or die "unable to load archetypes\n";
2968	}	3469	}
2969		3470
2970	sub reload_treasures {	3471	sub reload_treasures {
2971	load_resource_file "$DATADIR/treasures"	3472	load_resource_file "$DATADIR/treasures"
2972	or die "unable to load treasurelists\n";	3473	or die "unable to load treasurelists\n";
2973	}	3474	}
2974		3475
2975	sub reload_resources {	3476	sub reload_resources {
2976	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
2977		3478
		3479	reload_facedata;
		3480	reload_archetypes;
2978	reload_regions;	3481	reload_regions;
2979	reload_facedata;
2980	#reload_archetypes;#d#
2981	reload_archetypes;
2982	reload_treasures;	3482	reload_treasures;
2983		3483
2984	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
2985	}	3485	}
2986		3486
2987	sub init {	3487	sub reload_config {
2988	reload_resources;	3488	warn "reloading config file...\n";
2989	}
2990		3489
2991	sub cfg_load {
2992	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2993	or return;	3491	or return;
2994		3492
2995	local $/;	3493	local $/;
2996	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2997		3495
2998	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2999		3497
3000	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3001	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3005	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3006	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
3007	};	3505	};
3008	warn $@ if $@;	3506	warn $@ if $@;
3009	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
3010	}	3538	}
3011		3539
3012	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
3013	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
3014	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
3015	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3016	(async {	3553	(async {
3017	Event::one_event;	3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3555	EV::loop EV::LOOP_ONESHOT;
3018	})->prio (Coro::PRIO_MAX);	3556	})->prio (Coro::PRIO_MAX);
3019	};	3557	};
3020		3558
3021	cfg_load;	3559	evthread_start IO::AIO::poll_fileno;
		3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
3022	db_init;	3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
3023	load_extensions;	3582	load_extensions;
3024		3583
3025	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
3026	Event::loop;	3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	main_loop;
3027	}	3594	}
3028		3595
3029	#############################################################################	3596	#############################################################################
3030	# initialisation and cleanup	3597	# initialisation and cleanup
3031		3598
3032	# install some emergency cleanup handlers	3599	# install some emergency cleanup handlers
3033	BEGIN {	3600	BEGIN {
		3601	our %SIGWATCHER = ();
3034	for my $signal (qw(INT HUP TERM)) {	3602	for my $signal (qw(INT HUP TERM)) {
3035	Event->signal (	3603	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3036	reentrant => 0,
3037	data => WF_AUTOCANCEL,
3038	signal => $signal,
3039	prio => 0,
3040	cb => sub {
3041	cf::cleanup "SIG$signal";	3604	cf::cleanup "SIG$signal";
3042	},
3043	);	3605	};
3044	}	3606	}
3045	}	3607	}
3046		3608
3047	sub write_runtime {	3609	sub write_runtime_sync {
3048	my $runtime = "$LOCALDIR/runtime";	3610	my $t0 = AE::time;
3049		3611
3050	# first touch the runtime file to show we are still running:	3612	# first touch the runtime file to show we are still running:
3051	# the fsync below can take a very very long time.	3613	# the fsync below can take a very very long time.
3052		3614
3053	IO::AIO::aio_utime $runtime, undef, undef;	3615	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3054		3616
3055	my $guard = cf::lock_acquire "write_runtime";	3617	my $guard = cf::lock_acquire "write_runtime";
3056		3618
3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3619	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3058	or return;	3620	or return;
3059		3621
3060	my $value = $cf::RUNTIME + 90 + 10;	3622	my $value = $cf::RUNTIME + 90 + 10;
3061	# 10 is the runtime save interval, for a monotonic clock	3623	# 10 is the runtime save interval, for a monotonic clock
3062	# 60 allows for the watchdog to kill the server.	3624	# 60 allows for the watchdog to kill the server.
…		…
3072	aio_utime $fh, undef, undef;	3634	aio_utime $fh, undef, undef;
3073		3635
3074	close $fh	3636	close $fh
3075	or return;	3637	or return;
3076		3638
3077	aio_rename "$runtime~", $runtime	3639	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3078	and return;	3640	and return;
3079		3641
3080	warn "runtime file written.\n";	3642	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3081		3643
3082	1	3644	1
		3645	}
		3646
		3647	our $uuid_lock;
		3648	our $uuid_skip;
		3649
		3650	sub write_uuid_sync($) {
		3651	$uuid_skip ||= $_[0];
		3652
		3653	return if $uuid_lock;
		3654	local $uuid_lock = 1;
		3655
		3656	my $uuid = "$LOCALDIR/uuid";
		3657
		3658	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3659	or return;
		3660
		3661	my $value = uuid_seq uuid_cur;
		3662
		3663	unless ($value) {
		3664	warn "cowardly refusing to write zero uuid value!\n";
		3665	return;
		3666	}
		3667
		3668	my $value = uuid_str $value + $uuid_skip;
		3669	$uuid_skip = 0;
		3670
		3671	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3672	and return;
		3673
		3674	# always fsync - this file is important
		3675	aio_fsync $fh
		3676	and return;
		3677
		3678	close $fh
		3679	or return;
		3680
		3681	aio_rename "$uuid~", $uuid
		3682	and return;
		3683
		3684	warn "uuid file written ($value).\n";
		3685
		3686	1
		3687
		3688	}
		3689
		3690	sub write_uuid($$) {
		3691	my ($skip, $sync) = @_;
		3692
		3693	$sync ? write_uuid_sync $skip
		3694	: async { write_uuid_sync $skip };
3083	}	3695	}
3084		3696
3085	sub emergency_save() {	3697	sub emergency_save() {
3086	my $freeze_guard = cf::freeze_mainloop;	3698	my $freeze_guard = cf::freeze_mainloop;
3087		3699
3088	warn "enter emergency perl save\n";	3700	warn "emergency_perl_save: enter\n";
3089		3701
3090	cf::sync_job {	3702	cf::sync_job {
		3703	# this is a trade-off: we want to be very quick here, so
		3704	# save all maps without fsync, and later call a global sync
		3705	# (which in turn might be very very slow)
		3706	local $USE_FSYNC = 0;
		3707
3091	# use a peculiar iteration method to avoid tripping on perl	3708	# use a peculiar iteration method to avoid tripping on perl
3092	# refcount bugs in for. also avoids problems with players	3709	# refcount bugs in for. also avoids problems with players
3093	# and maps saved/destroyed asynchronously.	3710	# and maps saved/destroyed asynchronously.
3094	warn "begin emergency player save\n";	3711	warn "emergency_perl_save: begin player save\n";
3095	for my $login (keys %cf::PLAYER) {	3712	for my $login (keys %cf::PLAYER) {
3096	my $pl = $cf::PLAYER{$login} or next;	3713	my $pl = $cf::PLAYER{$login} or next;
3097	$pl->valid or next;	3714	$pl->valid or next;
		3715	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3098	$pl->save;	3716	$pl->save;
3099	}	3717	}
3100	warn "end emergency player save\n";	3718	warn "emergency_perl_save: end player save\n";
3101		3719
3102	warn "begin emergency map save\n";	3720	warn "emergency_perl_save: begin map save\n";
3103	for my $path (keys %cf::MAP) {	3721	for my $path (keys %cf::MAP) {
3104	my $map = $cf::MAP{$path} or next;	3722	my $map = $cf::MAP{$path} or next;
3105	$map->valid or next;	3723	$map->valid or next;
3106	$map->save;	3724	$map->save;
3107	}	3725	}
3108	warn "end emergency map save\n";	3726	warn "emergency_perl_save: end map save\n";
3109		3727
3110	warn "begin emergency database checkpoint\n";	3728	warn "emergency_perl_save: begin database checkpoint\n";
3111	BDB::db_env_txn_checkpoint $DB_ENV;	3729	BDB::db_env_txn_checkpoint $DB_ENV;
3112	warn "end emergency database checkpoint\n";	3730	warn "emergency_perl_save: end database checkpoint\n";
		3731
		3732	warn "emergency_perl_save: begin write uuid\n";
		3733	write_uuid_sync 1;
		3734	warn "emergency_perl_save: end write uuid\n";
3113	};	3735	};
3114		3736
		3737	warn "emergency_perl_save: starting sync()\n";
		3738	IO::AIO::aio_sync sub {
		3739	warn "emergency_perl_save: finished sync()\n";
		3740	};
		3741
3115	warn "leave emergency perl save\n";	3742	warn "emergency_perl_save: leave\n";
3116	}	3743	}
3117		3744
3118	sub post_cleanup {	3745	sub post_cleanup {
3119	my ($make_core) = @_;	3746	my ($make_core) = @_;
3120		3747
3121	warn Carp::longmess "post_cleanup backtrace"	3748	warn Carp::longmess "post_cleanup backtrace"
3122	if $make_core;	3749	if $make_core;
		3750
		3751	my $fh = pidfile;
		3752	unlink $PIDFILE if <$fh> == $$;
		3753	}
		3754
		3755	# a safer delete_package, copied from Symbol
		3756	sub clear_package($) {
		3757	my $pkg = shift;
		3758
		3759	# expand to full symbol table name if needed
		3760	unless ($pkg =~ /^main::.*::$/) {
		3761	$pkg = "main$pkg" if $pkg =~ /^::/;
		3762	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3763	$pkg .= '::' unless $pkg =~ /::$/;
		3764	}
		3765
		3766	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3767	my $stem_symtab = *{$stem}{HASH};
		3768
		3769	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3770	or return;
		3771
		3772	# clear all symbols
		3773	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3774	for my $name (keys %$leaf_symtab) {
		3775	_gv_clear *{"$pkg$name"};
		3776	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3777	}
		3778	warn "cleared package $pkg\n";#d#
3123	}	3779	}
3124		3780
3125	sub do_reload_perl() {	3781	sub do_reload_perl() {
3126	# can/must only be called in main	3782	# can/must only be called in main
3127	if ($Coro::current != $Coro::main) {	3783	if ($Coro::current != $Coro::main) {
3128	warn "can only reload from main coroutine";	3784	warn "can only reload from main coroutine";
3129	return;	3785	return;
3130	}	3786	}
3131		3787
		3788	return if $RELOAD++;
		3789
		3790	my $t1 = AE::time;
		3791
		3792	while ($RELOAD) {
3132	warn "reloading...";	3793	warn "reloading...";
3133		3794
3134	warn "entering sync_job";	3795	warn "entering sync_job";
3135		3796
3136	cf::sync_job {	3797	cf::sync_job {
3137	cf::write_runtime; # external watchdog should not bark	3798	cf::write_runtime_sync; # external watchdog should not bark
3138	cf::emergency_save;	3799	cf::emergency_save;
3139	cf::write_runtime; # external watchdog should not bark	3800	cf::write_runtime_sync; # external watchdog should not bark
3140		3801
3141	warn "syncing database to disk";	3802	warn "syncing database to disk";
3142	BDB::db_env_txn_checkpoint $DB_ENV;	3803	BDB::db_env_txn_checkpoint $DB_ENV;
3143		3804
3144	# if anything goes wrong in here, we should simply crash as we already saved	3805	# if anything goes wrong in here, we should simply crash as we already saved
3145		3806
3146	warn "cancelling all WF_AUTOCANCEL watchers";
3147	for (Event::all_watchers) {
3148	$_->cancel if $_->data & WF_AUTOCANCEL;
3149	}
3150
3151	warn "flushing outstanding aio requests";	3807	warn "flushing outstanding aio requests";
3152	for (;;) {
3153	BDB::flush;
3154	IO::AIO::flush;
3155	Coro::cede;
3156	last unless IO::AIO::nreqs || BDB::nreqs;	3808	while (IO::AIO::nreqs || BDB::nreqs) {
3157	warn "iterate...";	3809	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3158	}
3159
3160	++$RELOAD;
3161
3162	warn "cancelling all extension coros";
3163	$_->cancel for values %EXT_CORO;
3164	%EXT_CORO = ();
3165
3166	warn "removing commands";
3167	%COMMAND = ();
3168
3169	warn "removing ext/exti commands";
3170	%EXTCMD = ();
3171	%EXTICMD = ();
3172
3173	warn "unloading/nuking all extensions";
3174	for my $pkg (@EXTS) {
3175	warn "... unloading $pkg";
3176
3177	if (my $cb = $pkg->can ("unload")) {
3178	eval {
3179	$cb->($pkg);
3180	1
3181	} or warn "$pkg unloaded, but with errors: $@";
3182	}	3810	}
3183		3811
3184	warn "... nuking $pkg";	3812	warn "cancelling all extension coros";
3185	Symbol::delete_package $pkg;	3813	$_->cancel for values %EXT_CORO;
3186	}	3814	%EXT_CORO = ();
3187		3815
3188	warn "unloading all perl modules loaded from $LIBDIR";	3816	warn "removing commands";
3189	while (my ($k, $v) = each %INC) {	3817	%COMMAND = ();
3190	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3191		3818
		3819	warn "removing ext/exti commands";
		3820	%EXTCMD = ();
		3821	%EXTICMD = ();
		3822
		3823	warn "unloading/nuking all extensions";
		3824	for my $pkg (@EXTS) {
3192	warn "... unloading $k";	3825	warn "... unloading $pkg";
3193	delete $INC{$k};
3194		3826
3195	$k =~ s/\.pm$//;
3196	$k =~ s/\//::/g;
3197
3198	if (my $cb = $k->can ("unload_module")) {	3827	if (my $cb = $pkg->can ("unload")) {
		3828	eval {
3199	$cb->();	3829	$cb->($pkg);
		3830	1
		3831	} or warn "$pkg unloaded, but with errors: $@";
		3832	}
		3833
		3834	warn "... clearing $pkg";
		3835	clear_package $pkg;
3200	}	3836	}
3201		3837
3202	Symbol::delete_package $k;	3838	warn "unloading all perl modules loaded from $LIBDIR";
		3839	while (my ($k, $v) = each %INC) {
		3840	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3841
		3842	warn "... unloading $k";
		3843	delete $INC{$k};
		3844
		3845	$k =~ s/\.pm$//;
		3846	$k =~ s/\//::/g;
		3847
		3848	if (my $cb = $k->can ("unload_module")) {
		3849	$cb->();
		3850	}
		3851
		3852	clear_package $k;
3203	}	3853	}
3204		3854
3205	warn "getting rid of safe::, as good as possible";	3855	warn "getting rid of safe::, as good as possible";
3206	Symbol::delete_package "safe::$_"	3856	clear_package "safe::$_"
3207	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3857	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3208		3858
3209	warn "unloading cf.pm \"a bit\"";	3859	warn "unloading cf.pm \"a bit\"";
3210	delete $INC{"cf.pm"};	3860	delete $INC{"cf.pm"};
3211	delete $INC{"cf/pod.pm"};	3861	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3212		3862
3213	# don't, removes xs symbols, too,	3863	# don't, removes xs symbols, too,
3214	# and global variables created in xs	3864	# and global variables created in xs
3215	#Symbol::delete_package __PACKAGE__;	3865	#clear_package __PACKAGE__;
3216		3866
3217	warn "unload completed, starting to reload now";	3867	warn "unload completed, starting to reload now";
3218		3868
3219	warn "reloading cf.pm";	3869	warn "reloading cf.pm";
3220	require cf;	3870	require cf;
3221	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3871	cf::_connect_to_perl_1;
3222		3872
3223	warn "loading config and database again";	3873	warn "loading config and database again";
3224	cf::cfg_load;	3874	cf::reload_config;
3225		3875
3226	warn "loading extensions";	3876	warn "loading extensions";
3227	cf::load_extensions;	3877	cf::load_extensions;
3228		3878
		3879	if ($REATTACH_ON_RELOAD) {
3229	warn "reattaching attachments to objects/players";	3880	warn "reattaching attachments to objects/players";
3230	_global_reattach; # objects, sockets	3881	_global_reattach; # objects, sockets
3231	warn "reattaching attachments to maps";	3882	warn "reattaching attachments to maps";
3232	reattach $_ for values %MAP;	3883	reattach $_ for values %MAP;
3233	warn "reattaching attachments to players";	3884	warn "reattaching attachments to players";
3234	reattach $_ for values %PLAYER;	3885	reattach $_ for values %PLAYER;
		3886	}
3235		3887
		3888	warn "running post_init jobs";
		3889	(pop @POST_INIT)->(1) while @POST_INIT;
		3890
3236	warn "leaving sync_job";	3891	warn "leaving sync_job";
3237		3892
3238	1	3893	1
3239	} or do {	3894	} or do {
3240	warn $@;	3895	warn $@;
3241	warn "error while reloading, exiting.";	3896	cf::cleanup "error while reloading, exiting.";
3242	exit 1;
3243	};	3897	};
3244		3898
3245	warn "reloaded";	3899	warn "reloaded";
		3900	--$RELOAD;
		3901	}
		3902
		3903	$t1 = AE::time - $t1;
		3904	warn "reload completed in ${t1}s\n";
3246	};	3905	};
3247		3906
3248	our $RELOAD_WATCHER; # used only during reload	3907	our $RELOAD_WATCHER; # used only during reload
3249		3908
3250	sub reload_perl() {	3909	sub reload_perl() {
3251	# doing reload synchronously and two reloads happen back-to-back,	3910	# doing reload synchronously and two reloads happen back-to-back,
3252	# coro crashes during coro_state_free->destroy here.	3911	# coro crashes during coro_state_free->destroy here.
3253		3912
3254	$RELOAD_WATCHER ||= Event->timer (	3913	$RELOAD_WATCHER ||= cf::async {
3255	reentrant => 0,	3914	Coro::AIO::aio_wait cache_extensions;
3256	after => 0,	3915
3257	data => WF_AUTOCANCEL,	3916	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3258	cb => sub {
3259	do_reload_perl;	3917	do_reload_perl;
3260	undef $RELOAD_WATCHER;	3918	undef $RELOAD_WATCHER;
3261	},	3919	};
3262	);	3920	};
3263	}	3921	}
3264		3922
3265	register_command "reload" => sub {	3923	register_command "reload" => sub {
3266	my ($who, $arg) = @_;	3924	my ($who, $arg) = @_;
3267		3925
3268	if ($who->flag (FLAG_WIZ)) {	3926	if ($who->flag (FLAG_WIZ)) {
3269	$who->message ("reloading server.");	3927	$who->message ("reloading server.");
		3928	async {
		3929	$Coro::current->{desc} = "perl_reload";
3270	async { reload_perl };	3930	reload_perl;
		3931	};
3271	}	3932	}
3272	};	3933	};
3273		3934
3274	unshift @INC, $LIBDIR;	3935	unshift @INC, $LIBDIR;
3275		3936
…		…
3277		3938
3278	our @WAIT_FOR_TICK;	3939	our @WAIT_FOR_TICK;
3279	our @WAIT_FOR_TICK_BEGIN;	3940	our @WAIT_FOR_TICK_BEGIN;
3280		3941
3281	sub wait_for_tick {	3942	sub wait_for_tick {
3282	return unless $TICK_WATCHER->is_active;
3283	return if $Coro::current == $Coro::main;	3943	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3284		3944
3285	my $signal = new Coro::Signal;	3945	my $signal = new Coro::Signal;
3286	push @WAIT_FOR_TICK, $signal;	3946	push @WAIT_FOR_TICK, $signal;
3287	$signal->wait;	3947	$signal->wait;
3288	}	3948	}
3289		3949
3290	sub wait_for_tick_begin {	3950	sub wait_for_tick_begin {
3291	return unless $TICK_WATCHER->is_active;
3292	return if $Coro::current == $Coro::main;	3951	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3293		3952
3294	my $signal = new Coro::Signal;	3953	my $signal = new Coro::Signal;
3295	push @WAIT_FOR_TICK_BEGIN, $signal;	3954	push @WAIT_FOR_TICK_BEGIN, $signal;
3296	$signal->wait;	3955	$signal->wait;
3297	}	3956	}
3298		3957
3299	my $min = 1e6;#d#	3958	sub tick {
3300	my $avg = 10;
3301	$TICK_WATCHER = Event->timer (
3302	reentrant => 0,
3303	parked => 1,
3304	prio => 0,
3305	at => $NEXT_TICK || $TICK,
3306	data => WF_AUTOCANCEL,
3307	cb => sub {
3308	if ($Coro::current != $Coro::main) {	3959	if ($Coro::current != $Coro::main) {
3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3960	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3310	unless ++$bug_warning > 10;	3961	unless ++$bug_warning > 10;
3311	return;	3962	return;
3312	}	3963	}
3313		3964
3314	$NOW = $tick_start = Event::time;
3315
3316	cf::server_tick; # one server iteration	3965	cf::server_tick; # one server iteration
3317		3966
3318	0 && sync_job {#d#	3967	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3319	for(1..10) {
3320	my $t = Event::time;
3321	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3322	or die;
3323		3968
3324	$map->width (50);	3969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3325	$map->height (50);	3970	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3326	$map->alloc;	3971	Coro::async_pool {
3327	$map->_load_objects ("/tmp/x.map", 1);	3972	$Coro::current->{desc} = "runtime saver";
3328	my $t = Event::time - $t;	3973	write_runtime_sync
3329		3974	or warn "ERROR: unable to write runtime file: $!";
3330	#next unless $t < 0.0013;#d#
3331	if ($t < $min) {
3332	$min = $t;
3333	}
3334	$avg = $avg * 0.99 + $t * 0.01;
3335	}
3336	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3337	exit 0;
3338	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3339	};	3975	};
		3976	}
3340		3977
3341	$RUNTIME += $TICK;
3342	$NEXT_TICK += $TICK;
3343
3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
3346	Coro::async_pool {
3347	write_runtime
3348	or warn "ERROR: unable to write runtime file: $!";
3349	};
3350	}
3351
3352	# my $AFTER = Event::time;
3353	# warn $AFTER - $NOW;#d#
3354
3355	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3978	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3356	$sig->send;	3979	$sig->send;
3357	}	3980	}
3358	while (my $sig = shift @WAIT_FOR_TICK) {	3981	while (my $sig = shift @WAIT_FOR_TICK) {
3359	$sig->send;	3982	$sig->send;
3360	}	3983	}
3361		3984
3362	$NOW = Event::time;	3985	$LOAD = ($NOW - $TICK_START) / $TICK;
3363
3364	# if we are delayed by four ticks or more, skip them all
3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3366
3367	$TICK_WATCHER->at ($NEXT_TICK);
3368	$TICK_WATCHER->start;
3369
3370	$LOAD = ($NOW - $tick_start) / $TICK;
3371	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3372		3987
3373	_post_tick;	3988	if (0) {
3374		3989	if ($NEXT_TICK) {
3375		3990	my $jitter = $TICK_START - $NEXT_TICK;
		3991	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3992	warn "jitter $JITTER\n";#d#
		3993	}
3376	},	3994	}
3377	);	3995	}
3378		3996
3379	{	3997	{
3380	BDB::max_poll_time $TICK * 0.1;	3998	# configure BDB
3381	$BDB_POLL_WATCHER = Event->io (	3999
3382	reentrant => 0,
3383	fd => BDB::poll_fileno,
3384	poll => 'r',
3385	prio => 0,
3386	data => WF_AUTOCANCEL,
3387	cb => \&BDB::poll_cb,
3388	);
3389	BDB::min_parallel 8;	4000	BDB::min_parallel 16;
3390		4001	BDB::max_poll_reqs $TICK * 0.1;
3391	BDB::set_sync_prepare {	4002	$AnyEvent::BDB::WATCHER->priority (1);
3392	my $status;
3393	my $current = $Coro::current;
3394	(
3395	sub {
3396	$status = $!;
3397	$current->ready; undef $current;
3398	},
3399	sub {
3400	Coro::schedule while defined $current;
3401	$! = $status;
3402	},
3403	)
3404	};
3405		4003
3406	unless ($DB_ENV) {	4004	unless ($DB_ENV) {
3407	$DB_ENV = BDB::db_env_create;	4005	$DB_ENV = BDB::db_env_create;
		4006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4007	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4008	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4009	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4010	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3408		4011
3409	cf::sync_job {	4012	cf::sync_job {
3410	eval {	4013	eval {
3411	BDB::db_env_open	4014	BDB::db_env_open
3412	$DB_ENV,	4015	$DB_ENV,
…		…
3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4017	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4018	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3416	0666;	4019	0666;
3417		4020
3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4021	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3419
3420	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3421	$DB_ENV->set_lk_detect;
3422	};	4022	};
3423		4023
3424	cf::cleanup "db_env_open(db): $@" if $@;	4024	cf::cleanup "db_env_open(db): $@" if $@;
3425	};	4025	};
3426	}	4026	}
		4027
		4028	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4029	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4030	};
		4031	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4032	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4033	};
		4034	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4035	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4036	};
3427	}	4037	}
3428		4038
3429	{	4039	{
		4040	# configure IO::AIO
		4041
3430	IO::AIO::min_parallel 8;	4042	IO::AIO::min_parallel 8;
3431
3432	undef $Coro::AIO::WATCHER;
3433	IO::AIO::max_poll_time $TICK * 0.1;	4043	IO::AIO::max_poll_time $TICK * 0.1;
3434	$AIO_POLL_WATCHER = Event->io (	4044	undef $AnyEvent::AIO::WATCHER;
3435	reentrant => 0,
3436	data => WF_AUTOCANCEL,
3437	fd => IO::AIO::poll_fileno,
3438	poll => 'r',
3439	prio => 6,
3440	cb => \&IO::AIO::poll_cb,
3441	);
3442	}	4045	}
3443		4046
3444	my $_log_backtrace;	4047	my $_log_backtrace;
3445		4048
3446	sub _log_backtrace {	4049	sub _log_backtrace {
…		…
3449	$msg =~ s/\n//;	4052	$msg =~ s/\n//;
3450		4053
3451	# limit the # of concurrent backtraces	4054	# limit the # of concurrent backtraces
3452	if ($_log_backtrace < 2) {	4055	if ($_log_backtrace < 2) {
3453	++$_log_backtrace;	4056	++$_log_backtrace;
		4057	my $perl_bt = Carp::longmess $msg;
3454	async {	4058	async {
		4059	$Coro::current->{desc} = "abt $msg";
		4060
3455	my @bt = fork_call {	4061	my @bt = fork_call {
3456	@addr = map { sprintf "%x", $_ } @addr;	4062	@addr = map { sprintf "%x", $_ } @addr;
3457	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4063	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3458	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4064	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3459	or die "addr2line: $!";	4065	or die "addr2line: $!";
…		…
3467	}	4073	}
3468		4074
3469	@funcs	4075	@funcs
3470	};	4076	};
3471		4077
3472	LOG llevInfo, "[ABT] $msg\n";	4078	LOG llevInfo, "[ABT] $perl_bt\n";
		4079	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3473	LOG llevInfo, "[ABT] $_\n" for @bt;	4080	LOG llevInfo, "[ABT] $_\n" for @bt;
3474	--$_log_backtrace;	4081	--$_log_backtrace;
3475	};	4082	};
3476	} else {	4083	} else {
3477	LOG llevInfo, "[ABT] $msg\n";	4084	LOG llevInfo, "[ABT] $msg\n";
3478	LOG llevInfo, "[ABT] [suppressed]\n";	4085	LOG llevInfo, "[ABT] [suppressed]\n";
3479	}	4086	}
3480	}	4087	}
3481		4088
3482	# load additional modules	4089	# load additional modules
3483	use cf::pod;	4090	require "cf/$_.pm" for @EXTRA_MODULES;
		4091	cf::_connect_to_perl_2;
3484		4092
3485	END { cf::emergency_save }	4093	END { cf::emergency_save }
3486		4094
3487	1	4095	1
3488		4096

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