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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC vs.
Revision 1.507 by root, Sat Mar 20 02:24:38 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
13	use Storable ();	36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 4.1 ();	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 ();	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 2.51 ();	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;
75		112
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	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	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	115	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		117
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	121	our $DB_ENV;
89		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
90	our %CFG;	125	our %CFG;
91		126
92	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
94		130
95	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
98		134
99	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		137
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
105		147
106	binmode STDOUT;	148	binmode STDOUT;
107	binmode STDERR;	149	binmode STDERR;
108		150
109	# read virtual server time, if available	151	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
114	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
115		159
116	mkdir $_	160	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		162
119	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
120		164
121	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		177
123	#############################################################################	178	#############################################################################
124		179
125	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
126		181
…		…
162		217
163	The raw value load value from the last tick.	218	The raw value load value from the last tick.
164		219
165	=item %cf::CFG	220	=item %cf::CFG
166		221
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	223	from wherever your confdir points to.
169		224
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		226
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		230
176	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
177		232
178	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	235	that call.
181		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
182	=back	243	=back
183		244
184	=cut	245	=cut
185		246
186	BEGIN {	247	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	248	my $msg = join "", @_;
189		249
190	$msg .= "\n"	250	$msg .= "\n"
191	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
192		252
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		254
195	LOG llevError, $msg;	255	LOG llevError, $msg;
196	};	256	};
197	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
198		271
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	282	for my $pkg (qw(
210	cf::global cf::attachable	283	cf::global cf::attachable
211	cf::object cf::object::player	284	cf::object cf::object::player
212	cf::client cf::player	285	cf::client cf::player
213	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
214	cf::map cf::party cf::region	288	cf::party cf::region
215	)) {	289	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	291	}
219		292
220	$Event::DIED = sub {	293	$EV::DIED = sub {
221	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
222	};	295	};
223		296
224	#############################################################################	297	#############################################################################
225		298
226	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	322	$d
250	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
251	}	324	}
252		325
253	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
254		327
255	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
256		329
257	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
258		331
259	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
260		333
261	=cut	334	=cut
262		335
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		337
265	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
267		354
268	=item cf::lock_wait $string	355	=item cf::lock_wait $string
269		356
270	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
271		358
272	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
273		360
274	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
277	returned.	364	returned.
278		365
279	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	367	deadlocked coro.
…		…
286		373
287	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
288		375
289	=cut	376	=cut
290		377
291	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		379
294	sub lock_wait($) {	380	sub lock_wait($) {
295	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	382	}
308		383
309	sub lock_acquire($) {	384	sub lock_acquire($) {
310	my ($key) = @_;	385	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	386	}
324		387
325	sub lock_active($) {	388	sub lock_active($) {
326	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	390	}
330		391
331	sub freeze_mainloop {	392	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
333		394
334	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	396	}
336	};	397
337	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
338	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
339	}	411	}
340		412
341	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
342		414
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
351		423
352	=cut	424	=cut
353		425
354	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
356		429
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	432	$Coro::current->desc ("timeslot manager");
360		433
361	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
362		436
363	while () {	437	while () {
364	next_job:	438	next_job:
		439
365	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	441
367	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	446	$job->[2]->send;
371	Coro::cede;	447	Coro::cede;
372	goto next_job;	448	goto next_job;
373	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	451	}
375	}	452	}
376		453
377	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	457	$signal->wait;
381	} else {	458	} else {
		459	$busy = 0;
382	Coro::schedule;	460	Coro::schedule;
383	}	461	}
384	}	462	}
385	};	463	};
386		464
387	sub get_slot($;$$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
388	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
389		469
390	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
391	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
392		473
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
406		487
407	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
408		489
409	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
410		491
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	495	acceptable.
415		496
416	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		503
423	sub sync_job(&) {	504	sub sync_job(&) {
424	my ($job) = @_;	505	my ($job) = @_;
425		506
426	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	508	my $time = EV::time;
428		509
429	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
431		512
432	LOG llevError, Carp::longmess "sync job";#d#	513	LOG llevError, Carp::longmess "sync job";#d#
433		514
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
437		516
438	my $busy = 1;	517	my $busy = 1;
439	my @res;	518	my @res;
440		519
…		…
447		526
448	while ($busy) {	527	while ($busy) {
449	if (Coro::nready) {	528	if (Coro::nready) {
450	Coro::cede_notself;	529	Coro::cede_notself;
451	} else {	530	} else {
452	Event::one_event;	531	EV::loop EV::LOOP_ONESHOT;
453	}	532	}
454	}	533	}
455		534
456	$time = Event::time - $time;	535	my $time = EV::time - $time;
457		536
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
462		538
463	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
464	} else {	540	} else {
465	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
466		542
…		…
491	=item fork_call { }, $args	567	=item fork_call { }, $args
492		568
493	Executes the given code block with the given arguments in a seperate	569	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	571	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
497		573
498	=cut	574	=cut
499		575
500	sub fork_call(&@) {	576	sub fork_call(&@) {
501	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
…		…
508	reset_signals;	584	reset_signals;
509	&$cb	585	&$cb
510	}, @args;	586	}, @args;
511		587
512	wantarray ? @res : $res[-1]	588	wantarray ? @res : $res[-1]
		589	}
		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
513	}	616	}
514		617
515	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
516		619
517	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
656		759
657	#############################################################################	760	#############################################################################
658		761
659	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
660		763
661	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
664		767
665	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	770	Deliantra).
668		771
669	=over 4	772	=over 4
670		773
671	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
672		775
…		…
716	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
717		820
718	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
720		823
721	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
723		826
724	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
725		828
726	=over 4	829	=over 4
…		…
954	}	1057	}
955		1058
956	0	1059	0
957	}	1060	}
958		1061
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1063
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1065
963	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
964		1067
…		…
1017		1120
1018	sub reattach {	1121	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1123	my ($obj) = @_;
1021		1124
		1125	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1127
1024	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
1025		1129
1026	@$registry = ();	1130	@$registry = ();
1027		1131
…		…
1042	cf::attachable->attach (	1146	cf::attachable->attach (
1043	prio => -1000000,	1147	prio => -1000000,
1044	on_instantiate => sub {	1148	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
1046		1150
1047	$data = from_json $data;	1151	$data = decode_json $data;
1048		1152
1049	for (@$data) {	1153	for (@$data) {
1050	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
1051		1155
1052	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1177	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1076		1180
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
1081	close $fh;	1188	aio_close $fh;
1082		1189
1083	if (@$objs) {	1190	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
1089	close $fh;	1199	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1201	}
1092	} else {	1202	} else {
1093	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1094	}	1204	}
1095		1205
1096	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1210	} else {
1098	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1099	}	1212	}
1100	} else {	1213	} else {
1101	aio_unlink $filename;	1214	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1103	}	1216	}
…		…
1122		1235
1123	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1124	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1125	or return;	1238	or return;
1126		1239
1127	my $st = eval { Coro::Storable::thaw $av }	1240	my $st = eval { Coro::Storable::thaw $av };
1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1129	$av = $st->{objs};	1241	$av = $st->{objs};
1130	}	1242	}
1131		1243
1132	utf8::decode (my $decname = $filename);	1244	utf8::decode (my $decname = $filename);
1133	warn sprintf "loading %s (%d,%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
…		…
1195	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1196		1308
1197	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1198	}	1310	}
1199		1311
		1312	use File::Glob ();
		1313
1200	cf::player->attach (	1314	cf::player->attach (
1201	on_command => sub {	1315	on_command => sub {
1202	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1203		1317
1204	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
…		…
1236		1350
1237	cf::override;	1351	cf::override;
1238	},	1352	},
1239	);	1353	);
1240		1354
		1355	# "readahead" all extensions
		1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
		1358
		1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
		1364
		1365	$grp
		1366	}
		1367
1241	sub load_extensions {	1368	sub load_extensions {
1242	cf::sync_job {	1369	cf::sync_job {
1243	my %todo;	1370	my %todo;
1244		1371
1245	for my $path (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
…		…
1264		1391
1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1267		1394
1268	$ext{source} =	1395	$ext{source} =
1269	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1270	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1271	. $source	1398	. $source
1272	. "\n};\n1";	1399	. "\n};\n1";
1273		1400
1274	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1275	}	1402	}
1276		1403
		1404	my $pass = 0;
1277	my %done;	1405	my %done;
1278	while (%todo) {	1406	while (%todo) {
1279	my $progress;	1407	my $progress;
1280		1408
		1409	++$pass;
		1410
		1411	ext:
1281	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1282	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1283	goto skip	1414	next ext
1284	unless exists $done{$_};	1415	unless exists $done{$_};
1285	}	1416	}
1286		1417
1287	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1288		1419
1289	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1290	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1291	: "$v->{base}: extension inactive.\n";
1292		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1293	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1294	warn $msg;	1427	} else {
1295	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1296	exit 1;	1429	push @EXTS, $v->{pkg};
1297	}	1430	$progress = 1;
1298		1431
1299	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1300	}	1434	}
1301
1302	$done{$k} = delete $todo{$k};
1303	push @EXTS, $v->{pkg};
1304	$progress = 1;
1305	}	1435	}
1306		1436
1307	skip:	1437	unless ($progress) {
1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1309	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1310	}	1445	}
1311	};	1446	};
1312	}	1447	}
1313		1448
1314	#############################################################################	1449	#############################################################################
1315		1450
1316	=back	1451	=back
1317		1452
1318	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1319		1454
1320	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1321		1456
1322	=cut	1457	=cut
1323		1458
1324	package cf::player;	1459	package cf::player;
1325		1460
…		…
1368		1503
1369	sub exists($) {	1504	sub exists($) {
1370	my ($login) = @_;	1505	my ($login) = @_;
1371		1506
1372	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1373	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1374	}	1509	}
1375		1510
1376	sub find($) {	1511	sub find($) {
1377	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1378	my $login = $_[0];	1513	my $login = $_[0];
…		…
1390	my $f = new_from_file cf::object::thawer path $login	1525	my $f = new_from_file cf::object::thawer path $login
1391	or return;	1526	or return;
1392		1527
1393	my $pl = cf::player::load_pl $f	1528	my $pl = cf::player::load_pl $f
1394	or return;	1529	or return;
		1530
1395	local $cf::PLAYER_LOADING{$login} = $pl;	1531	local $cf::PLAYER_LOADING{$login} = $pl;
1396	$f->resolve_delayed_derefs;	1532	$f->resolve_delayed_derefs;
1397	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1398	}	1534	}
1399	}	1535	}
…		…
1409		1545
1410	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1411		1547
1412	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1413	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
		1550
		1551	cf::get_slot 0.01;
1414		1552
1415	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1416	cf::cede_to_tick;	1554	cf::cede_to_tick;
1417	}	1555	}
1418		1556
…		…
1450	my ($pl) = @_;	1588	my ($pl) = @_;
1451		1589
1452	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1453		1591
1454	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1455	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1456		1594
1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1458	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1459	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1460	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1461		1601
1462	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1463	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1502		1642
1503	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
1504	my $path = path $login;	1644	my $path = path $login;
1505		1645
1506	# a .pst is a dead give-away for a valid player	1646	# a .pst is a dead give-away for a valid player
1507	unless (-e "$path.pst") {	1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1509	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1510	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
1511	}	1652	}
1512		1653
…		…
1543	}	1684	}
1544		1685
1545	\@paths	1686	\@paths
1546	}	1687	}
1547		1688
1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1549		1690
1550	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1551
1552	=cut
1553
1554	sub expand_cfpod {
1555	((my $self), (local $_)) = @_;
1556
1557	# escape & and <
1558	s/&/&amp;/g;
1559	s/(?<![BIUGHT])</&lt;/g;
1560
1561	# this is buggy, it needs to properly take care of nested <'s
1562
1563	1 while
1564	# replace B<>, I<>, U<> etc.
1565	s/B<([^\>]*)>/<b>$1<\/b>/
1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1569	# replace G<male|female> tags
1570	|| s{G<([^>|]*)\|([^>]*)>}{
1571	$self->gender ? $2 : $1
1572	}ge
1573	# replace H<hint text>
1574	|| s{H<([^\>]*)>}
1575	{
1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1578	"")
1579	[$self->{hintmode}]
1580	}ge;
1581
1582	# create single paragraphs (very hackish)
1583	s/(?<=\S)\n(?=\w)/ /g;
1584
1585	# compress some whitespace
1586	s/\s+\n/\n/g; # ws line-ends
1587	s/\n\n+/\n/g; # double lines
1588	s/^\n+//; # beginning lines
1589	s/\n+$//; # ending lines
1590
1591	$_
1592	}
1593
1594	sub hintmode {
1595	$_[0]{hintmode} = $_[1] if @_ > 1;
1596	$_[0]{hintmode}
1597	}
1598		1692
1599	=item $player->ext_reply ($msgid, @msg)	1693	=item $player->ext_reply ($msgid, @msg)
1600		1694
1601	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1602		1696
…		…
1669	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1670	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1671		1765
1672	sub generate_random_map {	1766	sub generate_random_map {
1673	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1674	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1675	$self->_create_random_map (	1772	$self->_create_random_map (
1676	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1677	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1678	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1800		1897
1801	# the temporary/swap location	1898	# the temporary/swap location
1802	sub save_path {	1899	sub save_path {
1803	my ($self) = @_;	1900	my ($self) = @_;
1804		1901
1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1806	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1807	}	1904	}
1808		1905
1809	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1810	sub uniq_path {	1907	sub uniq_path {
1811	my ($self) = @_;	1908	my ($self) = @_;
1812		1909
1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1814	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1815	}
1816
1817	# and all this just because we cannot iterate over
1818	# all maps in C++...
1819	sub change_all_map_light {
1820	my ($change) = @_;
1821
1822	$_->change_map_light ($change)
1823	for grep $_->outdoor, values %cf::MAP;
1824	}	1912	}
1825		1913
1826	sub decay_objects {	1914	sub decay_objects {
1827	my ($self) = @_;	1915	my ($self) = @_;
1828		1916
…		…
1912	sub find {	2000	sub find {
1913	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1914		2002
1915	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1916		2004
1917	cf::lock_wait "map_data:$path";#d#remove	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1918	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1919		2007
1920	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1921	my $guard1 = cf::lock_acquire "map_find:$path";
1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1923
1924	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1925	or return;	2010	or return;
1926		2011
1927	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1928		2013
…		…
1930	or return;	2015	or return;
1931		2016
1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1933	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1934	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
1935	undef $guard1;	2021	undef $guard1;
1936	undef $guard2;
1937	$map->reset;	2022	$map->reset;
1938	return find $path;	2023	return find $path;
1939	}	2024	}
1940		2025
1941	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1942	}	2027	}
1943	}	2028	}
1944		2029
1945	sub pre_load { }	2030	sub pre_load { }
1946	sub post_load { }	2031	#sub post_load { } # XS
1947		2032
1948	sub load {	2033	sub load {
1949	my ($self) = @_;	2034	my ($self) = @_;
1950		2035
1951	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1968	my $f = new_from_file cf::object::thawer $self->{load_path};	2053	my $f = new_from_file cf::object::thawer $self->{load_path};
1969	$f->skip_block;	2054	$f->skip_block;
1970	$self->_load_objects ($f)	2055	$self->_load_objects ($f)
1971	or return;	2056	or return;
1972		2057
1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1974	if delete $self->{load_original};	2059	if delete $self->{load_original};
1975		2060
1976	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1977	utf8::encode $uniq;	2062	utf8::encode $uniq;
1978	unless (aio_stat $uniq) {	2063	unless (aio_stat $uniq) {
…		…
1996	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1997	$self->decay_objects;	2082	$self->decay_objects;
1998	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1999	$self->update_buttons;	2084	$self->update_buttons;
2000	cf::cede_to_tick;	2085	cf::cede_to_tick;
2001	$self->set_darkness_map;
2002	cf::cede_to_tick;
2003	$self->activate;	2086	$self->activate;
2004	}	2087	}
2005		2088
2006	$self->{last_save} = $cf::RUNTIME;	2089	$self->{last_save} = $cf::RUNTIME;
2007	$self->last_access ($cf::RUNTIME);	2090	$self->last_access ($cf::RUNTIME);
2008		2091
2009	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
2010	}	2093	}
2011		2094
2012	$self->post_load;	2095	$self->post_load;
2013	}	2096	}
2014		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
2015	sub customise_for {	2101	sub customise_for {
2016	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
2017		2103
2018	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
2019	if $self->per_player;	2105	if $self->per_player;
…		…
2072	my ($path, $origin, $load) = @_;	2158	my ($path, $origin, $load) = @_;
2073		2159
2074	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
2075		2161
2076	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2078	}	2164	}
2079		2165
2080	$MAP_PREFETCH{$path} |= $load;	2166	$MAP_PREFETCH{$path} |= $load;
2081		2167
2082	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
…		…
2119	cf::async {	2205	cf::async {
2120	$Coro::current->{desc} = "map player save";	2206	$Coro::current->{desc} = "map player save";
2121	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
2122	};	2208	};
2123		2209
		2210	cf::get_slot 0.02;
		2211
2124	if ($uniq) {	2212	if ($uniq) {
2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2126	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2127	} else {	2215	} else {
2128	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2216	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2136	$self->save;	2224	$self->save;
2137		2225
2138	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2139		2227
2140	return if $self->players;	2228	return if $self->players;
2141	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
2142	return if $self->{deny_save};	2230	return if $self->{deny_save};
2143		2231
2144	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
2145		2233
2146	$self->deactivate;	2234	$self->deactivate;
…		…
2171		2259
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173		2261
2174	return if $self->players;	2262	return if $self->players;
2175		2263
2176	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
2177		2265
2178	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
2179		2267
2180	# need to save uniques path	2268	# need to save uniques path
2181	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2264		2352
2265	sub unique_maps() {	2353	sub unique_maps() {
2266	[	2354	[
2267	map {	2355	map {
2268	utf8::decode $_;	2356	utf8::decode $_;
2269	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
2270	? normalise $_	2360	: normalise $_
2271	: ()
2272	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2273	]	2362	]
2274	}	2363	}
2275		2364
2276	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
2277		2396
2278	=back	2397	=back
2279		2398
2280	=head3 cf::object	2399	=head3 cf::object
2281		2400
…		…
2285		2404
2286	=over 4	2405	=over 4
2287		2406
2288	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2289		2408
2290	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
2291		2411
2292	=cut	2412	=cut
2293		2413
2294	sub inv_recursive_;	2414	sub inv_recursive_;
2295	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2300	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2301	}	2421	}
2302		2422
2303	=item $ref = $ob->ref	2423	=item $ref = $ob->ref
2304		2424
2305	creates and returns a persistent reference to an objetc that can be stored as a string.	2425	Creates and returns a persistent reference to an object that can be stored as a string.
2306		2426
2307	=item $ob = cf::object::deref ($refstring)	2427	=item $ob = cf::object::deref ($refstring)
2308		2428
2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2310	even if the object actually exists. May block.	2430	even if the object actually exists. May block.
…		…
2342	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
2343	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2344		2464
2345	=cut	2465	=cut
2346		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
		2480
2347	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2348	# with dialog boxes.	2482	# with dialog boxes.
2349	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
2350	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
2351	my ($self, $npc, $msg, $flags) = @_;	2485	my ($self, $npc, $msg, $flags) = @_;
…		…
2362	my $dialog = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2364		2498
2365	} else {	2499	} else {
2366	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2367	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2368	}	2502	}
2369	}	2503	}
2370	}	2504	}
2371		2505
2372	=item $object->send_msg ($channel, $msg, $color, [extra...])	2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2397		2531
2398	=item $player_object->enter_link	2532	=item $player_object->enter_link
2399		2533
2400	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
2401		2535
2402	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
2403	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
2404		2540
2405	Will never block.	2541	Will never block.
2406		2542
2407	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2408		2544
…		…
2460	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2461	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2462		2598
2463	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2464	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2465	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2466		2602
2467	$map->load;	2603	$map->load;
2468	$map->load_neighbours;	2604	$map->load_neighbours;
2469		2605
2470	return unless $self->contr->active;	2606	return unless $self->contr->active;
2471	$self->activate_recursive;
2472		2607
2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2474	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
2475	}	2613	}
2476		2614
2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2478		2616
2479	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
2480	her, loading and preparing them map, calling the provided $check callback	2618	her, loading and preparing them map, calling the provided $check callback
2481	that has to return the map if sucecssful, and then unfreezes the player on	2619	that has to return the map if sucecssful, and then unfreezes the player on
2482	the new (success) or old (failed) map position. In either case, $done will	2620	the new (success) or old (failed) map position. In either case, $done will
2483	be called at the end of this process.	2621	be called at the end of this process.
		2622
		2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
2484		2625
2485	=cut	2626	=cut
2486		2627
2487	our $GOTOGEN;	2628	our $GOTOGEN;
2488		2629
…		…
2567	}	2708	}
2568		2709
2569	sub prepare_random_map {	2710	sub prepare_random_map {
2570	my ($exit) = @_;	2711	my ($exit) = @_;
2571		2712
2572	my $guard = cf::lock_acquire "exit_prepare:$exit";
2573
2574	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2575	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2576	# that depends on the exit object	2715	# that depends on the exit object
2577		2716
2578	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2580	if ($exit->map) {	2719	if ($exit->map) {
2581	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2582	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2583	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2584	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2585	}	2726	}
2586		2727
2587	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2588		2729
2589	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2590	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2591	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2592		2733
2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2594	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2595	undef $fh;	2736	undef $fh;
2596	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2597		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2598	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2599	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2600	}	2745	}
2601	}	2746	}
2602		2747
2603	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2604	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2605		2750
2606	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2607		2752
2608	if ($exit->slaying eq "/!") {
2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
2610	# the problem is that $exit might not survive long enough
2611	# so it needs to be done right now, right here
2612	cf::sync_job { prepare_random_map $exit };
2613	}
2614
2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2616	my $hp = $exit->stats->hp;
2617	my $sp = $exit->stats->sp;
2618
2619	$self->enter_link;	2753	$self->enter_link;
2620		2754
2621	# if exit is damned, update players death & WoR home-position
2622	$self->contr->savebed ($slaying, $hp, $sp)
2623	if $exit->flag (FLAG_DAMNED);
2624
2625	(async {	2755	(async {
2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2756	$Coro::current->{desc} = "enter_exit";
2627		2757
2628	$self->deactivate_recursive; # just to be sure
2629	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2630	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2631		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
2632	1;	2779	1
2633	}) {	2780	}) {
2634	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2635	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2636	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2637	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2638		2785
2639	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2656	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
2657	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
2658		2805
2659	utf8::encode $text;	2806	utf8::encode $text;
2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2808	}
		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
2661	}	2833	}
2662		2834
2663	=item $client->send_msg ($channel, $msg, $color, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2664		2836
2665	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2667	the message, with C<log> being the default. If C<$color> is negative, suppress	2839	the message, with C<log> being the default. If C<$color> is negative, suppress
2668	the message unless the client supports the msg packet.	2840	the message unless the client supports the msg packet.
2669		2841
2670	=cut	2842	=cut
2671		2843
		2844	# non-persistent channels (usually the info channel)
2672	our %CHANNEL = (	2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
2673	"c/identify" => {	2852	"c/identify" => {
2674	id => "infobox",	2853	id => "infobox",
2675	title => "Identify",	2854	title => "Identify",
2676	reply => undef,	2855	reply => undef,
2677	tooltip => "Items recently identified",	2856	tooltip => "Items recently identified",
…		…
2680	id => "infobox",	2859	id => "infobox",
2681	title => "Examine",	2860	title => "Examine",
2682	reply => undef,	2861	reply => undef,
2683	tooltip => "Signs and other items you examined",	2862	tooltip => "Signs and other items you examined",
2684	},	2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
2685	"c/lookat" => {	2876	"c/lookat" => {
2686	id => "infobox",	2877	id => "infobox",
2687	title => "Look",	2878	title => "Look",
2688	reply => undef,	2879	reply => undef,
2689	tooltip => "What you saw there",	2880	tooltip => "What you saw there",
2690	},	2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
2691	);	2956	);
2692		2957
2693	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2694	my ($self, $channel, $msg, $color, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2695		2960
2696	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
2697		2963
2698	$color &= cf::NDI_CLIENT_MASK; # just in case...	2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
2699		2965
2700	# check predefined channels, for the benefit of C	2966	# check predefined channels, for the benefit of C
2701	if ($CHANNEL{$channel}) {	2967	if ($CHANNEL{$channel}) {
2702	$channel = $CHANNEL{$channel};	2968	$channel = $CHANNEL{$channel};
2703		2969
2704	$self->ext_msg (channel_info => $channel)	2970	$self->ext_msg (channel_info => $channel);
2705	if $self->can_msg;
2706
2707	$channel = $channel->{id};	2971	$channel = $channel->{id};
2708		2972
2709	} elsif (ref $channel) {	2973	} elsif (ref $channel) {
2710	# send meta info to client, if not yet sent	2974	# send meta info to client, if not yet sent
2711	unless (exists $self->{channel}{$channel->{id}}) {	2975	unless (exists $self->{channel}{$channel->{id}}) {
2712	$self->{channel}{$channel->{id}} = $channel;	2976	$self->{channel}{$channel->{id}} = $channel;
2713	$self->ext_msg (channel_info => $channel)	2977	$self->ext_msg (channel_info => $channel);
2714	if $self->can_msg;
2715	}	2978	}
2716		2979
2717	$channel = $channel->{id};	2980	$channel = $channel->{id};
2718	}	2981	}
2719		2982
2720	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2721		2984
2722	if ($self->can_msg) {
2723	# default colour, mask it out	2985	# default colour, mask it out
2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2725	if $color & cf::NDI_DEF;	2987	if $color & cf::NDI_DEF;
2726		2988
2727	$self->send_packet ("msg " . $self->{json_coder}->encode (	2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2729	} else {	2992	);
2730	if ($color >= 0) {
2731	# replace some tags by gcfclient-compatible ones
2732	for ($msg) {
2733	1 while
2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2739	}
2740		2993
2741	$color &= cf::NDI_COLOR_MASK;	2994	$self->send_big_packet ($pkt);
2742
2743	utf8::encode $msg;
2744
2745	if (0 && $msg =~ /\[/) {
2746	# COMMAND/INFO
2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
2748	} else {
2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2750	$self->send_packet ("drawinfo $color $msg")
2751	}
2752	}
2753	}
2754	}	2995	}
2755		2996
2756	=item $client->ext_msg ($type, @msg)	2997	=item $client->ext_msg ($type, @msg)
2757		2998
2758	Sends an ext event to the client.	2999	Sends an ext event to the client.
…		…
2761		3002
2762	sub cf::client::ext_msg($$@) {	3003	sub cf::client::ext_msg($$@) {
2763	my ($self, $type, @msg) = @_;	3004	my ($self, $type, @msg) = @_;
2764		3005
2765	if ($self->extcmd == 2) {	3006	if ($self->extcmd == 2) {
2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2767	} elsif ($self->extcmd == 1) { # TODO: remove	3008	} elsif ($self->extcmd == 1) { # TODO: remove
2768	push @msg, msgtype => "event_$type";	3009	push @msg, msgtype => "event_$type";
2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2770	}	3011	}
2771	}	3012	}
2772		3013
2773	=item $client->ext_reply ($msgid, @msg)	3014	=item $client->ext_reply ($msgid, @msg)
2774		3015
…		…
2778		3019
2779	sub cf::client::ext_reply($$@) {	3020	sub cf::client::ext_reply($$@) {
2780	my ($self, $id, @msg) = @_;	3021	my ($self, $id, @msg) = @_;
2781		3022
2782	if ($self->extcmd == 2) {	3023	if ($self->extcmd == 2) {
2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2784	} elsif ($self->extcmd == 1) {	3025	} elsif ($self->extcmd == 1) {
2785	#TODO: version 1, remove	3026	#TODO: version 1, remove
2786	unshift @msg, msgtype => "reply", msgid => $id;	3027	unshift @msg, msgtype => "reply", msgid => $id;
2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2788	}	3029	}
2789	}	3030	}
2790		3031
2791	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2792		3033
…		…
2919	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2920		3161
2921	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2922		3163
2923	$safe->permit_only (Opcode::opset qw(	3164	$safe->permit_only (Opcode::opset qw(
2924	:base_core :base_mem :base_orig :base_math	3165	:base_core :base_mem :base_orig :base_math :base_loop
2925	grepstart grepwhile mapstart mapwhile	3166	grepstart grepwhile mapstart mapwhile
2926	sort time	3167	sort time
2927	));	3168	));
2928		3169
2929	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
…		…
2932		3173
2933	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2934		3175
2935	cf::object	3176	cf::object
2936	contr pay_amount pay_player map x y force_find force_add destroy	3177	contr pay_amount pay_player map x y force_find force_add destroy
2937	insert remove name archname title slaying race decrease_ob_nr	3178	insert remove name archname title slaying race decrease split
		3179	value
2938		3180
2939	cf::object::player	3181	cf::object::player
2940	player	3182	player
2941		3183
2942	cf::player	3184	cf::player
…		…
2947		3189
2948	=cut	3190	=cut
2949		3191
2950	for (	3192	for (
2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2952	insert remove inv name archname title slaying race	3194	insert remove inv nrof name archname title slaying race
2953	decrease_ob_nr destroy)],	3195	decrease split destroy change_exp value msg lore send_msg)],
2954	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2955	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2956	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2957	) {	3199	) {
2958	no strict 'refs';	3200	no strict 'refs';
2959	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2960	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2978		3220
2979	my $qcode = $code;	3221	my $qcode = $code;
2980	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2981	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2982		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2983	local $_;	3228	local $_;
2984	local @safe::cf::_safe_eval_args = values %vars;
2985		3229
2986	my $eval =	3230	my $eval =
2987	"do {\n"	3231	"do {\n"
2988	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2989	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2990	. $code	3234	. $code
2991	. "\n}"	3235	. "\n}"
2992	;	3236	;
2993		3237
		3238	if ($CFG{safe_eval}) {
2994	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2995	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2996	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2997		3247
2998	if ($@) {	3248	if ($@) {
2999	warn "$@";	3249	warn "$@";
3000	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
3001	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3020	=cut	3270	=cut
3021		3271
3022	sub register_script_function {	3272	sub register_script_function {
3023	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
3024		3274
3025	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
3026	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
3027	}	3277	}
3028		3278
3029	=back	3279	=back
3030		3280
3031	=cut	3281	=cut
…		…
3052		3302
3053	$facedata->{version} == 2	3303	$facedata->{version} == 2
3054	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
3055		3305
3056	# patch in the exptable	3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3057	$facedata->{resource}{"res/exp_table"} = {	3308	$facedata->{resource}{"res/exp_table"} = {
3058	type => FT_RSRC,	3309	type => FT_RSRC,
3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
3060	};	3312	};
3061	cf::cede_to_tick;	3313	cf::cede_to_tick;
3062		3314
3063	{	3315	{
3064	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
3065		3317
3066	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
3068	cf::face::set_visibility $idx, $info->{visibility};	3321	cf::face::set_visibility $idx, $info->{visibility};
3069	cf::face::set_magicmap $idx, $info->{magicmap};	3322	cf::face::set_magicmap $idx, $info->{magicmap};
3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3072		3325
3073	cf::cede_to_tick;	3326	cf::cede_to_tick;
3074	}	3327	}
3075		3328
3076	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
3077	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
3078	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
3079	or next;	3333	or next;
		3334
3080	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
3081	cf::face::set_smooth $idx, $smooth;	3336	cf::face::set_smooth $idx, $smooth;
3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3083	} else {	3338	} else {
3084	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3098		3353
3099	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
3100	}	3355	}
3101		3356
3102	{	3357	{
3103	# TODO: for gcfclient pleasure, we should give resources
3104	# that gcfclient doesn't grok a >10000 face index.
3105	my $res = $facedata->{resource};	3358	my $res = $facedata->{resource};
3106		3359
3107	my $soundconf = delete $res->{"res/sound.conf"};
3108
3109	while (my ($name, $info) = each %$res) {	3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3111	my $data;
3112		3363
3113	if ($info->{type} & 1) {	3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3114	# prepend meta info	3365	cf::face::set_type $idx, $info->{type};
3115
3116	my $meta = $enc->encode ({
3117	name => $name,
3118	%{ $info->{meta} || {} },
3119	});
3120
3121	$data = pack "(w/a*)*", $meta, $info->{data};
3122	} else {	3366	} else {
3123	$data = $info->{data};	3367	$RESOURCE{$name} = $info;
3124	}	3368	}
3125		3369
3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3127	cf::face::set_type $idx, $info->{type};
3128
3129	cf::cede_to_tick;	3370	cf::cede_to_tick;
3130	}	3371	}
3131
3132	if ($soundconf) {
3133	$soundconf = $enc->decode (delete $soundconf->{data});
3134
3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3136	my $sound = $soundconf->{compat}[$_]
3137	or next;
3138
3139	my $face = cf::face::find "sound/$sound->[1]";
3140	cf::sound::set $sound->[0] => $face;
3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3142	}
3143
3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
3145	my $face = cf::face::find "sound/$v";
3146	cf::sound::set $k => $face;
3147	}
3148	}
3149	}	3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3150		3375
3151	1	3376	1
3152	}	3377	}
		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
3153		3398
3154	register_exticmd fx_want => sub {	3399	register_exticmd fx_want => sub {
3155	my ($ns, $want) = @_;	3400	my ($ns, $want) = @_;
3156		3401
3157	while (my ($k, $v) = each %$want) {	3402	while (my ($k, $v) = each %$want) {
3158	$ns->fx_want ($k, $v);	3403	$ns->fx_want ($k, $v);
3159	}	3404	}
3160	};	3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
3161		3416
3162	sub reload_regions {	3417	sub reload_regions {
3163	# HACK to clear player env face cache, we need some signal framework	3418	# HACK to clear player env face cache, we need some signal framework
3164	# for this (global event?)	3419	# for this (global event?)
3165	%ext::player_env::MUSIC_FACE_CACHE = ();	3420	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3179	}	3434	}
3180		3435
3181	sub reload_archetypes {	3436	sub reload_archetypes {
3182	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
3183	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
3184	#d# NEED to laod twice to resolve forward references
3185	# this really needs to be done in an extra post-pass
3186	# (which needs to be synchronous, so solve it differently)
3187	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";
3189	}	3439	}
3190		3440
3191	sub reload_treasures {	3441	sub reload_treasures {
3192	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
3193	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
3194	}	3444	}
3195		3445
3196	sub reload_resources {	3446	sub reload_resources {
3197	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
3198		3448
		3449	reload_facedata;
		3450	reload_archetypes;
3199	reload_regions;	3451	reload_regions;
3200	reload_facedata;
3201	#reload_archetypes;#d#
3202	reload_archetypes;
3203	reload_treasures;	3452	reload_treasures;
3204		3453
3205	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
3206	}	3455	}
3207		3456
3208	sub init {
3209	reload_resources;
3210	}
3211
3212	sub reload_config {	3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
3213	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
3214	or return;	3461	or return;
3215		3462
3216	local $/;	3463	local $/;
3217	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
3218		3465
3219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3220		3467
3221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3226	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3227	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
3228	};	3475	};
3229	warn $@ if $@;	3476	warn $@ if $@;
3230	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
3231	}	3508	}
3232		3509
3233	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
3234	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
3235	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3237	(async {	3528	(async {
3238	$Coro::current->{desc} = "IDLE BUG HANDLER";	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
3239	Event::one_event;	3530	EV::loop EV::LOOP_ONESHOT;
3240	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
3241	};	3532	};
3242		3533
		3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
3243	reload_config;	3541	reload_config;
3244	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
3245	load_extensions;	3553	load_extensions;
3246		3554
3247	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
3248	Event::loop;	3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
3249	}	3565	}
3250		3566
3251	#############################################################################	3567	#############################################################################
3252	# initialisation and cleanup	3568	# initialisation and cleanup
3253		3569
3254	# install some emergency cleanup handlers	3570	# install some emergency cleanup handlers
3255	BEGIN {	3571	BEGIN {
		3572	our %SIGWATCHER = ();
3256	for my $signal (qw(INT HUP TERM)) {	3573	for my $signal (qw(INT HUP TERM)) {
3257	Event->signal (	3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3258	reentrant => 0,
3259	data => WF_AUTOCANCEL,
3260	signal => $signal,
3261	prio => 0,
3262	cb => sub {
3263	cf::cleanup "SIG$signal";	3575	cf::cleanup "SIG$signal";
3264	},
3265	);	3576	};
3266	}	3577	}
3267	}	3578	}
3268		3579
3269	sub write_runtime {	3580	sub write_runtime_sync {
3270	my $runtime = "$LOCALDIR/runtime";	3581	my $t0 = EV::time;
3271		3582
3272	# first touch the runtime file to show we are still running:	3583	# first touch the runtime file to show we are still running:
3273	# the fsync below can take a very very long time.	3584	# the fsync below can take a very very long time.
3274		3585
3275	IO::AIO::aio_utime $runtime, undef, undef;	3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3276		3587
3277	my $guard = cf::lock_acquire "write_runtime";	3588	my $guard = cf::lock_acquire "write_runtime";
3278		3589
3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3280	or return;	3591	or return;
3281		3592
3282	my $value = $cf::RUNTIME + 90 + 10;	3593	my $value = $cf::RUNTIME + 90 + 10;
3283	# 10 is the runtime save interval, for a monotonic clock	3594	# 10 is the runtime save interval, for a monotonic clock
3284	# 60 allows for the watchdog to kill the server.	3595	# 60 allows for the watchdog to kill the server.
…		…
3294	aio_utime $fh, undef, undef;	3605	aio_utime $fh, undef, undef;
3295		3606
3296	close $fh	3607	close $fh
3297	or return;	3608	or return;
3298		3609
3299	aio_rename "$runtime~", $runtime	3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3300	and return;	3611	and return;
3301		3612
3302	warn "runtime file written.\n";	3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3303		3614
3304	1	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
3305	}	3666	}
3306		3667
3307	sub emergency_save() {	3668	sub emergency_save() {
3308	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
3309		3670
3310	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
3311		3672
3312	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
3313	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
3314	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
3315	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
3316	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
3317	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
3318	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
3319	$pl->valid or next;	3685	$pl->valid or next;
3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3321	$pl->save;	3687	$pl->save;
3322	}	3688	}
3323	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
3324		3690
3325	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
3326	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
3327	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
3328	$map->valid or next;	3694	$map->valid or next;
3329	$map->save;	3695	$map->save;
3330	}	3696	}
3331	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
3332		3698
3333	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
3334	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
3335	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
3336	};	3706	};
3337		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
3338	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
3339	}	3714	}
3340		3715
3341	sub post_cleanup {	3716	sub post_cleanup {
3342	my ($make_core) = @_;	3717	my ($make_core) = @_;
3343		3718
3344	warn Carp::longmess "post_cleanup backtrace"	3719	warn Carp::longmess "post_cleanup backtrace"
3345	if $make_core;	3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
3346	}	3750	}
3347		3751
3348	sub do_reload_perl() {	3752	sub do_reload_perl() {
3349	# can/must only be called in main	3753	# can/must only be called in main
3350	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
3351	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
3352	return;	3756	return;
3353	}	3757	}
3354		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
3355	warn "reloading...";	3764	warn "reloading...";
3356		3765
3357	warn "entering sync_job";	3766	warn "entering sync_job";
3358		3767
3359	cf::sync_job {	3768	cf::sync_job {
3360	cf::write_runtime; # external watchdog should not bark	3769	cf::write_runtime_sync; # external watchdog should not bark
3361	cf::emergency_save;	3770	cf::emergency_save;
3362	cf::write_runtime; # external watchdog should not bark	3771	cf::write_runtime_sync; # external watchdog should not bark
3363		3772
3364	warn "syncing database to disk";	3773	warn "syncing database to disk";
3365	BDB::db_env_txn_checkpoint $DB_ENV;	3774	BDB::db_env_txn_checkpoint $DB_ENV;
3366		3775
3367	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
3368		3777
3369	warn "cancelling all WF_AUTOCANCEL watchers";
3370	for (Event::all_watchers) {
3371	$_->cancel if $_->data & WF_AUTOCANCEL;
3372	}
3373
3374	warn "flushing outstanding aio requests";	3778	warn "flushing outstanding aio requests";
3375	for (;;) {
3376	BDB::flush;
3377	IO::AIO::flush;
3378	Coro::cede_notself;
3379	last unless IO::AIO::nreqs || BDB::nreqs;	3779	while (IO::AIO::nreqs || BDB::nreqs) {
3380	warn "iterate...";	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3381	}
3382
3383	++$RELOAD;
3384
3385	warn "cancelling all extension coros";
3386	$_->cancel for values %EXT_CORO;
3387	%EXT_CORO = ();
3388
3389	warn "removing commands";
3390	%COMMAND = ();
3391
3392	warn "removing ext/exti commands";
3393	%EXTCMD = ();
3394	%EXTICMD = ();
3395
3396	warn "unloading/nuking all extensions";
3397	for my $pkg (@EXTS) {
3398	warn "... unloading $pkg";
3399
3400	if (my $cb = $pkg->can ("unload")) {
3401	eval {
3402	$cb->($pkg);
3403	1
3404	} or warn "$pkg unloaded, but with errors: $@";
3405	}	3781	}
3406		3782
3407	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
3408	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
3409	}	3785	%EXT_CORO = ();
3410		3786
3411	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
3412	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
3413	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3414		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
3415	warn "... unloading $k";	3796	warn "... unloading $pkg";
3416	delete $INC{$k};
3417		3797
3418	$k =~ s/\.pm$//;
3419	$k =~ s/\//::/g;
3420
3421	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
3422	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
3423	}	3807	}
3424		3808
3425	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
3426	}	3824	}
3427		3825
3428	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
3429	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3431		3829
3432	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
3433	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
3434	delete $INC{"cf/pod.pm"};	3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3435		3833
3436	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
3437	# and global variables created in xs	3835	# and global variables created in xs
3438	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
3439		3837
3440	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
3441		3839
3442	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
3443	require cf;	3841	require cf;
3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
3445		3843
3446	warn "loading config and database again";	3844	warn "loading config and database again";
3447	cf::reload_config;	3845	cf::reload_config;
3448		3846
3449	warn "loading extensions";	3847	warn "loading extensions";
3450	cf::load_extensions;	3848	cf::load_extensions;
3451		3849
		3850	if ($REATTACH_ON_RELOAD) {
3452	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
3453	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
3454	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
3455	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
3456	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
3457	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
3458		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
3459	warn "leaving sync_job";	3862	warn "leaving sync_job";
3460		3863
3461	1	3864	1
3462	} or do {	3865	} or do {
3463	warn $@;	3866	warn $@;
3464	warn "error while reloading, exiting.";	3867	cf::cleanup "error while reloading, exiting.";
3465	exit 1;
3466	};	3868	};
3467		3869
3468	warn "reloaded";	3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
3469	};	3876	};
3470		3877
3471	our $RELOAD_WATCHER; # used only during reload	3878	our $RELOAD_WATCHER; # used only during reload
3472		3879
3473	sub reload_perl() {	3880	sub reload_perl() {
3474	# doing reload synchronously and two reloads happen back-to-back,	3881	# doing reload synchronously and two reloads happen back-to-back,
3475	# coro crashes during coro_state_free->destroy here.	3882	# coro crashes during coro_state_free->destroy here.
3476		3883
3477	$RELOAD_WATCHER ||= Event->timer (	3884	$RELOAD_WATCHER ||= cf::async {
3478	reentrant => 0,	3885	Coro::AIO::aio_wait cache_extensions;
3479	after => 0,	3886
3480	data => WF_AUTOCANCEL,	3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3481	cb => sub {
3482	do_reload_perl;	3888	do_reload_perl;
3483	undef $RELOAD_WATCHER;	3889	undef $RELOAD_WATCHER;
3484	},	3890	};
3485	);	3891	};
3486	}	3892	}
3487		3893
3488	register_command "reload" => sub {	3894	register_command "reload" => sub {
3489	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
3490		3896
…		…
3503		3909
3504	our @WAIT_FOR_TICK;	3910	our @WAIT_FOR_TICK;
3505	our @WAIT_FOR_TICK_BEGIN;	3911	our @WAIT_FOR_TICK_BEGIN;
3506		3912
3507	sub wait_for_tick {	3913	sub wait_for_tick {
3508	return unless $TICK_WATCHER->is_active;
3509	return if $Coro::current == $Coro::main;	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3510		3915
3511	my $signal = new Coro::Signal;	3916	my $signal = new Coro::Signal;
3512	push @WAIT_FOR_TICK, $signal;	3917	push @WAIT_FOR_TICK, $signal;
3513	$signal->wait;	3918	$signal->wait;
3514	}	3919	}
3515		3920
3516	sub wait_for_tick_begin {	3921	sub wait_for_tick_begin {
3517	return unless $TICK_WATCHER->is_active;
3518	return if $Coro::current == $Coro::main;	3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3519		3923
3520	my $signal = new Coro::Signal;	3924	my $signal = new Coro::Signal;
3521	push @WAIT_FOR_TICK_BEGIN, $signal;	3925	push @WAIT_FOR_TICK_BEGIN, $signal;
3522	$signal->wait;	3926	$signal->wait;
3523	}	3927	}
3524		3928
3525	$TICK_WATCHER = Event->timer (	3929	sub tick {
3526	reentrant => 0,
3527	parked => 1,
3528	prio => 0,
3529	at => $NEXT_TICK || $TICK,
3530	data => WF_AUTOCANCEL,
3531	cb => sub {
3532	if ($Coro::current != $Coro::main) {	3930	if ($Coro::current != $Coro::main) {
3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3534	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
3535	return;	3933	return;
3536	}	3934	}
3537		3935
3538	$NOW = $tick_start = Event::time;
3539
3540	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
3541		3937
3542	$RUNTIME += $TICK;	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3543	$NEXT_TICK += $TICK;
3544		3939
3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3546	$NEXT_RUNTIME_WRITE = $NOW + 10;	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3547	Coro::async_pool {	3942	Coro::async_pool {
3548	$Coro::current->{desc} = "runtime saver";	3943	$Coro::current->{desc} = "runtime saver";
3549	write_runtime	3944	write_runtime_sync
3550	or warn "ERROR: unable to write runtime file: $!";	3945	or warn "ERROR: unable to write runtime file: $!";
3551	};
3552	}	3946	};
		3947	}
3553		3948
3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3555	$sig->send;	3950	$sig->send;
3556	}	3951	}
3557	while (my $sig = shift @WAIT_FOR_TICK) {	3952	while (my $sig = shift @WAIT_FOR_TICK) {
3558	$sig->send;	3953	$sig->send;
3559	}	3954	}
3560		3955
3561	$NOW = Event::time;	3956	$LOAD = ($NOW - $TICK_START) / $TICK;
3562
3563	# if we are delayed by four ticks or more, skip them all
3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3565
3566	$TICK_WATCHER->at ($NEXT_TICK);
3567	$TICK_WATCHER->start;
3568
3569	$LOAD = ($NOW - $tick_start) / $TICK;
3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3571		3958
3572	_post_tick;	3959	if (0) {
		3960	if ($NEXT_TICK) {
		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
3573	},	3965	}
3574	);	3966	}
3575		3967
3576	{	3968	{
		3969	# configure BDB
		3970
3577	BDB::min_parallel 8;	3971	BDB::min_parallel 16;
3578	BDB::max_poll_time $TICK * 0.1;	3972	BDB::max_poll_reqs $TICK * 0.1;
3579	$BDB_POLL_WATCHER = Event->io (	3973	$AnyEvent::BDB::WATCHER->priority (1);
3580	reentrant => 0,
3581	fd => BDB::poll_fileno,
3582	poll => 'r',
3583	prio => 0,
3584	data => WF_AUTOCANCEL,
3585	cb => \&BDB::poll_cb,
3586	);
3587
3588	BDB::set_sync_prepare {
3589	my $status;
3590	my $current = $Coro::current;
3591	(
3592	sub {
3593	$status = $!;
3594	$current->ready; undef $current;
3595	},
3596	sub {
3597	Coro::schedule while defined $current;
3598	$! = $status;
3599	},
3600	)
3601	};
3602		3974
3603	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
3604	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3606	| BDB::LOG_AUTOREMOVE, 1);	3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3609		3982
3610	cf::sync_job {	3983	cf::sync_job {
3611	eval {	3984	eval {
…		…
3621		3994
3622	cf::cleanup "db_env_open(db): $@" if $@;	3995	cf::cleanup "db_env_open(db): $@" if $@;
3623	};	3996	};
3624	}	3997	}
3625		3998
3626	$BDB_DEADLOCK_WATCHER = Event->timer (	3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3627	after => 3,
3628	interval => 1,
3629	hard => 1,
3630	prio => 0,
3631	data => WF_AUTOCANCEL,
3632	cb => sub {
3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3634	},
3635	);	4001	};
3636	$BDB_CHECKPOINT_WATCHER = Event->timer (	4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3637	after => 11,
3638	interval => 60,
3639	hard => 1,
3640	prio => 0,
3641	data => WF_AUTOCANCEL,
3642	cb => sub {
3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3644	},
3645	);	4004	};
3646	$BDB_TRICKLE_WATCHER = Event->timer (	4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3647	after => 5,
3648	interval => 10,
3649	hard => 1,
3650	prio => 0,
3651	data => WF_AUTOCANCEL,
3652	cb => sub {
3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3654	},
3655	);	4007	};
3656	}	4008	}
3657		4009
3658	{	4010	{
		4011	# configure IO::AIO
		4012
3659	IO::AIO::min_parallel 8;	4013	IO::AIO::min_parallel 8;
3660
3661	undef $Coro::AIO::WATCHER;
3662	IO::AIO::max_poll_time $TICK * 0.1;	4014	IO::AIO::max_poll_time $TICK * 0.1;
3663	$AIO_POLL_WATCHER = Event->io (	4015	undef $AnyEvent::AIO::WATCHER;
3664	reentrant => 0,
3665	data => WF_AUTOCANCEL,
3666	fd => IO::AIO::poll_fileno,
3667	poll => 'r',
3668	prio => 0,
3669	cb => \&IO::AIO::poll_cb,
3670	);
3671	}	4016	}
3672		4017
3673	my $_log_backtrace;	4018	my $_log_backtrace;
3674		4019
3675	sub _log_backtrace {	4020	sub _log_backtrace {
…		…
3678	$msg =~ s/\n//;	4023	$msg =~ s/\n//;
3679		4024
3680	# limit the # of concurrent backtraces	4025	# limit the # of concurrent backtraces
3681	if ($_log_backtrace < 2) {	4026	if ($_log_backtrace < 2) {
3682	++$_log_backtrace;	4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
3683	async {	4029	async {
3684	$Coro::current->{desc} = "abt $msg";	4030	$Coro::current->{desc} = "abt $msg";
3685		4031
3686	my @bt = fork_call {	4032	my @bt = fork_call {
3687	@addr = map { sprintf "%x", $_ } @addr;	4033	@addr = map { sprintf "%x", $_ } @addr;
…		…
3698	}	4044	}
3699		4045
3700	@funcs	4046	@funcs
3701	};	4047	};
3702		4048
3703	LOG llevInfo, "[ABT] $msg\n";	4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3704	LOG llevInfo, "[ABT] $_\n" for @bt;	4051	LOG llevInfo, "[ABT] $_\n" for @bt;
3705	--$_log_backtrace;	4052	--$_log_backtrace;
3706	};	4053	};
3707	} else {	4054	} else {
3708	LOG llevInfo, "[ABT] $msg\n";	4055	LOG llevInfo, "[ABT] $msg\n";
3709	LOG llevInfo, "[ABT] [suppressed]\n";	4056	LOG llevInfo, "[ABT] [suppressed]\n";
3710	}	4057	}
3711	}	4058	}
3712		4059
3713	# load additional modules	4060	# load additional modules
3714	use cf::pod;	4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
3715		4063
3716	END { cf::emergency_save }	4064	END { cf::emergency_save }
3717		4065
3718	1	4066	1
3719		4067

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