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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.339 by root, Fri Aug 24 00:26:10 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$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		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
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; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	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	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		130
87	our %CFG;	131	our %CFG;
88		132
89	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
91		136
92	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
95		140
96	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		143
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
102		153
103	binmode STDOUT;	154	binmode STDOUT;
104	binmode STDERR;	155	binmode STDERR;
105		156
106	# read virtual server time, if available	157	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
111	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
112		165
113	mkdir $_	166	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		168
116	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
117		170
118	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		187
120	#############################################################################	188	#############################################################################
121		189
122	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
123		191
…		…
159		227
160	The raw value load value from the last tick.	228	The raw value load value from the last tick.
161		229
162	=item %cf::CFG	230	=item %cf::CFG
163		231
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	233	from wherever your confdir points to.
166		234
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		236
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
173	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
174		247
175	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	250	that call.
178		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
179	=back	258	=back
180		259
181	=cut	260	=cut
182		261
183	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	269	my $msg = join "", @_;
186		270
187	$msg .= "\n"	271	$msg .= "\n"
188	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
189		273
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		275
192	utf8::encode $msg;
193	LOG llevError, $msg;	276	LOG llevWarn, $msg;
194	};	277	};
195	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
196		292
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	303	for my $pkg (qw(
208	cf::global cf::attachable	304	cf::global cf::attachable
209	cf::object cf::object::player	305	cf::object cf::object::player
210	cf::client cf::player	306	cf::client cf::player
211	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
212	cf::map cf::party cf::region	309	cf::party cf::region
213	)) {	310	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	312	}
217		313
218	$Event::DIED = sub {	314	$EV::DIED = sub {
219	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
220	};	316	};
221		317
222	#############################################################################	318	#############################################################################
223		319
224	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	343	$d
248	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
249	}	345	}
250		346
251	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
252		348
253	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
254		350
255	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
256		352
257	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
258		354
259	=cut	355	=cut
260		356
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		358
263	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
265		387
266	=item cf::lock_wait $string	388	=item cf::lock_wait $string
267		389
268	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
269		391
270	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
271		393
272	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
275	returned.	397	returned.
276		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
277	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
279		404
280	=item $locked = cf::lock_active $string	405	=item $locked = cf::lock_active $string
281		406
282	Return true if the lock is currently active, i.e. somebody has locked it.	407	Return true if the lock is currently active, i.e. somebody has locked it.
283		408
284	=cut	409	=cut
285		410
286	our %LOCK;	411	our $LOCKS = new Coro::SemaphoreSet;
287		412
288	sub lock_wait($) {	413	sub lock_wait($) {
289	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	415	}
297		416
298	sub lock_acquire($) {	417	sub lock_acquire($) {
299	my ($key) = @_;	418	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	419	}
311		420
312	sub lock_active($) {	421	sub lock_active($) {
313	my ($key) = @_;	422	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	423	}
317		424
318	sub freeze_mainloop {	425	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
320		427
321	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	429	}
323	};	430
324	$TICK_WATCHER->stop;	431	=item cf::periodic $interval, $cb
325	$guard	432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
326	}	444	}
327		445
328	=item cf::get_slot $time[, $priority[, $name]]	446	=item cf::get_slot $time[, $priority[, $name]]
329		447
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		456
339	=cut	457	=cut
340		458
341	our @SLOT_QUEUE;	459	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
343		462
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
346	my $signal = new Coro::Signal;	467	my $signal = new Coro::Signal;
		468	my $busy;
347		469
348	while () {	470	while () {
349	next_job:	471	next_job:
		472
350	my $avail = cf::till_tick;	473	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	474
352	for (0 .. $#SLOT_QUEUE) {	475	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	478	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	479	$job->[2]->send;
356	Coro::cede;	480	Coro::cede;
357	goto next_job;	481	goto next_job;
358	}	482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	484	}
360	}	485	}
361		486
362	if (@SLOT_QUEUE) {	487	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	489	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	490	$signal->wait;
366	} else {	491	} else {
		492	$busy = 0;
367	Coro::schedule;	493	Coro::schedule;
368	}	494	}
369	}	495	}
370	};	496	};
371		497
372	sub get_slot($;$$) {	498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
373	my ($time, $pri, $name) = @_;	501	my ($time, $pri, $name) = @_;
374		502
375	$time = $TICK * .6 if $time > $TICK * .6;	503	$time = clamp $time, 0.01, $TICK * .6;
		504
376	my $sig = new Coro::Signal;	505	my $sig = new Coro::Signal;
377		506
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	509	$SLOT_QUEUE->ready;
…		…
391		520
392	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
393		522
394	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
395		524
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	525	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	526	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	528	acceptable.
400		529
401	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	535	=cut
407		536
408	sub sync_job(&) {	537	sub sync_job(&) {
409	my ($job) = @_;	538	my ($job) = @_;
410		539
411	if ($Coro::current == $Coro::main) {	540	if (in_main) {
412	my $time = Event::time;	541	my $time = AE::time;
413		542
414	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
416		545
417	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	547
419	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
420		549
421	my $busy = 1;	550	my $busy = 1;
422	my @res;	551	my @res;
423		552
424	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	555	@res = eval { $job->() };
426	warn $@ if $@;	556	error $@ if $@;
427	undef $busy;	557	undef $busy;
428	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
429		559
430	while ($busy) {	560	while ($busy) {
431	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
432	}	565	}
		566	}
433		567
434	$time = Event::time - $time;	568	my $time = AE::time - $time;
435		569
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	570	$TICK_START += $time; # do not account sync jobs to server load
440		571
441	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
442	} else {	573	} else {
443	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
444		575
…		…
464	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
465		596
466	$coro	597	$coro
467	}	598	}
468		599
469	=item fork_call { }, $args	600	=item fork_call { }, @args
470		601
471	Executes the given code block with the given arguments in a seperate	602	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	603	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	604	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	605	never block itself or use any form of event handling.
475		606
476	=cut	607	=cut
		608
		609	sub post_fork {
		610	reset_signals;
		611	}
477		612
478	sub fork_call(&@) {	613	sub fork_call(&@) {
479	my ($cb, @args) = @_;	614	my ($cb, @args) = @_;
480		615
481	# we seemingly have to make a local copy of the whole thing,	616	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	617	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	618	# TODO: investigate and fix (likely this will be rather laborious)
484		619
485	my @res = Coro::Util::fork_eval {	620	my @res = Coro::Util::fork_eval {
486	reset_signals;	621	cf::post_fork;
487	&$cb	622	&$cb
488	}, @args;	623	} @args;
489		624
490	wantarray ? @res : $res[-1]	625	wantarray ? @res : $res[-1]
		626	}
		627
		628	sub objinfo {
		629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
491	}	664	}
492		665
493	=item $value = cf::db_get $family => $key	666	=item $value = cf::db_get $family => $key
494		667
495	Returns a single value from the environment database.	668	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	670	=item cf::db_put $family => $key => $value
498		671
499	Stores the given C<$value> in the family. It can currently store binary	672	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
502	=cut	680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
503		701
504	our $DB;	702	our $DB;
505		703
506	sub db_init {	704	sub db_init {
507	unless ($DB) {	705	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	706	}
522		707
523	sub db_get($$) {	708	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	709	my $key = "$_[0]/$_[1]";
525		710
526	cf::sync_job {	711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
527	BDB::db_get $DB, undef, $key, my $data;	714	BDB::db_get $DB, undef, $key, my $data;
528		715
529	$! ? ()	716	$! ? ()
530	: $data	717	: $data
531	}
532	}	718	}
533		719
534	sub db_put($$$) {	720	sub db_put($$$) {
535	BDB::dbreq_pri 4;	721	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	761	if (1) {
576	$md5 =	762	$md5 =
577	join "\x00",	763	join "\x00",
578	$processversion,	764	$processversion,
579	map {	765	map {
580	Coro::cede;	766	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	767	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	768	} 0.. $#$src;
583		769
584		770
585	my $dbmd5 = db_get cache => "$id/md5";	771	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		778
593	my $t1 = Time::HiRes::time;	779	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	780	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	781	my $t2 = Time::HiRes::time;
596		782
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		784
599	db_put cache => "$id/data", $data;	785	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	786	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	787	db_put cache => "$id/meta", $meta;
602		788
…		…
612		798
613	=cut	799	=cut
614		800
615	sub datalog($@) {	801	sub datalog($@) {
616	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	804	}
619		805
620	=back	806	=back
621		807
622	=cut	808	=cut
623		809
624	#############################################################################	810	#############################################################################
625		811
626	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
627		813
628	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
631		817
632	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	820	Deliantra).
635		821
636	=over 4	822	=over 4
637		823
638	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
639		825
…		…
683	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
684		870
685	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
687		873
688	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
690		876
691	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
692		878
693	=over 4	879	=over 4
…		…
817		1003
818	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1006
821	} elsif (ref $type) {	1007	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
823		1009
824	} else {	1010	} else {
825	shift @arg;	1011	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
827	}	1013	}
828	}	1014	}
829	}	1015	}
830		1016
831	sub _object_attach {	1017	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
842	}	1028	}
843		1029
844	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
845	} else {	1031	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1033	}
848		1034
849	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
850	}	1036	}
851		1037
…		…
910		1096
911	for (@$callbacks) {	1097	for (@$callbacks) {
912	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
913		1099
914	if ($@) {	1100	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1102	override;
918	}	1103	}
919		1104
920	return 1 if $override;	1105	return 1 if $override;
921	}	1106	}
922		1107
923	0	1108	0
924	}	1109	}
925		1110
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1112
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1114
930	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
931		1116
…		…
937		1122
938	=cut	1123	=cut
939		1124
940	#############################################################################	1125	#############################################################################
941	# object support	1126	# object support
942	#
943		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
944	sub _can_merge {	1161	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1162	my ($ob1, $ob2) = @_;
946		1163
947	local $Storable::canonical = 1;	1164	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1165
951	$fob1 eq $fob2	1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
952	}	1168	}
953		1169
954	sub reattach {	1170	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1172	my ($obj) = @_;
957		1173
		1174	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1176
960	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
961		1178
962	@$registry = ();	1179	@$registry = ();
963		1180
…		…
968	for (@$attach) {	1185	for (@$attach) {
969	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
971	}	1188	}
972	} else {	1189	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1191	}
975	}	1192	}
976	}	1193	}
977		1194
978	cf::attachable->attach (	1195	cf::attachable->attach (
979	prio => -1000000,	1196	prio => -1000000,
980	on_instantiate => sub {	1197	on_instantiate => sub {
981	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
982		1199
983	$data = from_json $data;	1200	$data = decode_json $data;
984		1201
985	for (@$data) {	1202	for (@$data) {
986	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
987		1204
988	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1221	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
1006		1223
1007	sync_job {	1224	sync_job {
1008	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
1011		1230
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
1016	close $fh;	1238	aio_close $fh;
1017		1239
1018	if (@$objs) {	1240	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
1024	close $fh;	1249	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1251	}
1027	} else {	1252	} else {
1028	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
1029	}	1254	}
1030		1255
1031	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1260	} else {
1033	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
1034	}	1262	}
1035	} else {	1263	} else {
1036	aio_unlink $filename;	1264	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
1038	}	1266	}
1039	}	1267	};
1040	}	1268	}
1041		1269
1042	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
1044		1272
…		…
1056	or return;	1284	or return;
1057		1285
1058	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1288	or return;
		1289
1061	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
1062	}	1292	}
1063		1293
		1294	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
1066	return ($data, $av);	1299	($data, $av)
1067	}	1300	}
1068		1301
1069	=head2 COMMAND CALLBACKS	1302	=head2 COMMAND CALLBACKS
1070		1303
1071	=over 4	1304	=over 4
…		…
1125	my ($name, $cb) = @_;	1358	my ($name, $cb) = @_;
1126		1359
1127	$EXTICMD{$name} = $cb;	1360	$EXTICMD{$name} = $cb;
1128	}	1361	}
1129		1362
		1363	use File::Glob ();
		1364
1130	cf::player->attach (	1365	cf::player->attach (
1131	on_command => sub {	1366	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
1133		1368
1134	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
1135	or return;	1370	or return;
1136		1371
…		…
1159		1394
1160	$pl->ext_reply ($reply, @reply)	1395	$pl->ext_reply ($reply, @reply)
1161	if $reply;	1396	if $reply;
1162		1397
1163	} else {	1398	} else {
1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1165	}	1400	}
1166		1401
1167	cf::override;	1402	cf::override;
1168	},	1403	},
1169	);	1404	);
1170		1405
		1406	# "readahead" all extensions
		1407	sub cache_extensions {
		1408	my $grp = IO::AIO::aio_group;
		1409
		1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1411	for (grep /\.ext$/, @{$_[0]}) {
		1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1413	}
		1414	};
		1415
		1416	$grp
		1417	}
		1418
1171	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
1172	cf::sync_job {	1422	cf::sync_job {
1173	my %todo;	1423	my %todo;
1174		1424
1175	for my $path (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
1176	next unless -r $path;	1426	next unless -r $path;
…		…
1194		1444
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1447
1198	$ext{source} =	1448	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1449	"package $pkg; use common::sense;\n"
1200	. "#line 1 \"$path\"\n{\n"	1450	. "#line 1 \"$path\"\n{\n"
1201	. $source	1451	. $source
1202	. "\n};\n1";	1452	. "\n};\n1";
1203		1453
1204	$todo{$base} = \%ext;	1454	$todo{$base} = \%ext;
1205	}	1455	}
1206		1456
		1457	my $pass = 0;
1207	my %done;	1458	my %done;
1208	while (%todo) {	1459	while (%todo) {
1209	my $progress;	1460	my $progress;
1210		1461
		1462	++$pass;
		1463
		1464	ext:
1211	while (my ($k, $v) = each %todo) {	1465	while (my ($k, $v) = each %todo) {
1212	for (split /,\s*/, $v->{meta}{depends}) {	1466	for (split /,\s*/, $v->{meta}{depends}) {
1213	goto skip	1467	next ext
1214	unless exists $done{$_};	1468	unless exists $done{$_};
1215	}	1469	}
1216		1470
1217	warn "... loading '$k' into '$v->{pkg}'\n";	1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1218		1472
1219	unless (eval $v->{source}) {	1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
1220	my $msg = $@ ? "$v->{path}: $@\n"	1476	error "$v->{path}: $@\n";
1221	: "$v->{base}: extension inactive.\n";
1222		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1223	if (exists $v->{meta}{mandatory}) {	1479	if exists $v->{meta}{mandatory};
1224	warn $msg;	1480
1225	warn "mandatory extension failed to load, exiting.\n";	1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1226	exit 1;	1482	delete $todo{$k};
1227	}	1483	} else {
1228		1484	$done{$k} = delete $todo{$k};
1229	warn $msg;	1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
1230	}	1490	}
1231
1232	$done{$k} = delete $todo{$k};
1233	push @EXTS, $v->{pkg};
1234	$progress = 1;
1235	}	1491	}
1236		1492
1237	skip:	1493	unless ($progress) {
1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1239	unless $progress;	1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
1240	}	1501	}
1241	};	1502	};
1242	}	1503	}
1243		1504
1244	#############################################################################	1505	#############################################################################
1245		1506
1246	=back	1507	=back
1247		1508
1248	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
1249		1510
1250	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
1251		1512
1252	=cut	1513	=cut
1253		1514
1254	package cf::player;	1515	package cf::player;
1255		1516
1256	use Coro::AIO;	1517	use Coro::AIO;
1257		1518
1258	=head3 cf::player	1519	=head3 cf::player
1259		1520
1260	=over 4	1521	=over 4
		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
1261		1536
1262	=item cf::player::find $login	1537	=item cf::player::find $login
1263		1538
1264	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1265		1540
…		…
1284		1559
1285	sub exists($) {	1560	sub exists($) {
1286	my ($login) = @_;	1561	my ($login) = @_;
1287		1562
1288	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
1290	}	1565	}
1291		1566
1292	sub find($) {	1567	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1569	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1580
1306	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1309	}	1590	}
1310	}	1591	}
1311	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1312		1606
1313	sub save($) {	1607	sub save($) {
1314	my ($pl) = @_;	1608	my ($pl) = @_;
1315		1609
1316	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1321	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1322		1616
1323	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1325		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1326	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1327	Coro::cede;	1626	cf::cede_to_tick;
1328	}	1627	}
1329		1628
1330	sub new($) {	1629	sub new($) {
1331	my ($login) = @_;	1630	my ($login) = @_;
1332		1631
…		…
1361	my ($pl) = @_;	1660	my ($pl) = @_;
1362		1661
1363	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1364		1663
1365	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1366	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1367		1666
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1369	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1371	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1372		1675
1373	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1375	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
…		…
1410	or return [];	1713	or return [];
1411		1714
1412	my @logins;	1715	my @logins;
1413		1716
1414	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1418		1727
1419	utf8::decode $login;	1728	utf8::decode $login;
1420	push @logins, $login;	1729	push @logins, $login;
1421	}	1730	}
1422		1731
1423	\@logins	1732	\@logins
1424	}	1733	}
1425		1734
1426	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1427		1738
1428	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1429	player. May block.	1740	player. May block.
1430		1741
1431	=cut	1742	=cut
…		…
1449	}	1760	}
1450		1761
1451	\@paths	1762	\@paths
1452	}	1763	}
1453		1764
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1766
1456	Expand crossfire pod fragments into protocol xml.	1767	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1768
1504	=item $player->ext_reply ($msgid, @msg)	1769	=item $player->ext_reply ($msgid, @msg)
1505		1770
1506	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1507		1772
…		…
1539		1804
1540	=cut	1805	=cut
1541		1806
1542	sub find_by_path($) {	1807	sub find_by_path($) {
1543	my ($path) = @_;	1808	my ($path) = @_;
		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
1544		1811
1545	my ($match, $specificity);	1812	my ($match, $specificity);
1546		1813
1547	for my $region (list) {	1814	for my $region (list) {
1548	if ($region->{match} && $path =~ $region->{match}) {	1815	if ($region->{match} && $path =~ $region->{match}) {
…		…
1574	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1576		1843
1577	sub generate_random_map {	1844	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1579	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1580	$self->_create_random_map (	1850	$self->_create_random_map (
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1602		1872
1603	sub register {	1873	sub register {
1604	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	1875	my $pkg = caller;
1606		1876
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		1878
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	1880	}
1612		1881
1613	# also paths starting with '/'	1882	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		1884
1616	sub thawer_merge {	1885	sub thawer_merge {
1617	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1618		1887
1619	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
…		…
1624	}	1893	}
1625		1894
1626	sub normalise {	1895	sub normalise {
1627	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1628		1897
1629	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1630		1899
1631	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1632		1901
1633	# map plan:	1902	# map plan:
1634	#	1903	#
…		…
1673	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1674	return $self;	1943	return $self;
1675	}	1944	}
1676	}	1945	}
1677		1946
1678	Carp::cluck "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1679	()	1948	()
1680	}	1949	}
1681		1950
1682	sub init {	1951	sub init {
1683	my ($self) = @_;	1952	my ($self) = @_;
…		…
1705		1974
1706	# the temporary/swap location	1975	# the temporary/swap location
1707	sub save_path {	1976	sub save_path {
1708	my ($self) = @_;	1977	my ($self) = @_;
1709		1978
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	1980	"$TMPDIR/$path.map"
1712	}	1981	}
1713		1982
1714	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1715	sub uniq_path {	1984	sub uniq_path {
1716	my ($self) = @_;	1985	my ($self) = @_;
1717		1986
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	1988	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	1989	}
1730		1990
1731	sub decay_objects {	1991	sub decay_objects {
1732	my ($self) = @_;	1992	my ($self) = @_;
1733		1993
…		…
1746		2006
1747	sub load_header_from($) {	2007	sub load_header_from($) {
1748	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1749		2009
1750	utf8::encode $path;	2010	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1756		2019
1757	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1758		2021
1759	1	2022	1
1760	}	2023	}
…		…
1812		2075
1813	sub find;	2076	sub find;
1814	sub find {	2077	sub find {
1815	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1816		2079
		2080	cf::cede_to_tick;
		2081
1817	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1818		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1820		2086
1821	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1824	or return;	2089	or return;
1825		2090
1826	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1827		2092
…		…
1829	or return;	2094	or return;
1830		2095
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1834	$map->reset;	2101	$map->reset;
1835	undef $guard;
1836	return find $path;	2102	return find $path;
1837	}	2103	}
1838		2104
1839	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1840	}	2106	}
1841	}	2107	}
1842		2108
1843	sub pre_load { }	2109	sub pre_load { }
1844	sub post_load { }	2110	#sub post_load { } # XS
1845		2111
1846	sub load {	2112	sub load {
1847	my ($self) = @_;	2113	my ($self) = @_;
1848		2114
1849	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1850		2116
1851	my $path = $self->{path};	2117	my $path = $self->{path};
1852		2118
1853	{	2119	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1855		2121
		2122	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1857		2124
1858	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1859		2126
1860	$self->alloc;	2127	$self->alloc;
1861		2128
1862	$self->pre_load;	2129	$self->pre_load;
1863	Coro::cede;	2130	cf::cede_to_tick;
1864		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
1865	$self->_load_objects ($self->{load_path}, 1)	2134	$self->_load_objects ($f)
1866	or return;	2135	or return;
1867		2136
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1869	if delete $self->{load_original};	2138	if delete $self->{load_original};
1870		2139
1871	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2141	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2144	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1876	}	2148	}
1877	}	2149	}
1878		2150
1879	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1880	# now do the right thing for maps	2154	# now do the right thing for maps
1881	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2157	unless $self->difficulty;
1884	Coro::cede;	2158	cf::cede_to_tick;
1885		2159
1886	unless ($self->{deny_activate}) {	2160	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2161	$self->decay_objects;
1888	$self->fix_auto_apply;	2162	$self->fix_auto_apply;
1889	$self->update_buttons;	2163	$self->update_buttons;
1890	Coro::cede;	2164	cf::cede_to_tick;
1891	$self->set_darkness_map;
1892	Coro::cede;
1893	$self->activate;	2165	$self->activate;
1894	}	2166	}
1895		2167
1896	$self->{last_save} = $cf::RUNTIME;	2168	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2169	$self->last_access ($cf::RUNTIME);
1898		2170
1899	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
1900	}	2172	}
1901		2173
1902	$self->post_load;	2174	$self->post_load;
1903	}	2175	}
1904		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1905	sub customise_for {	2180	sub customise_for {
1906	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1907		2182
1908	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1909	if $self->per_player;	2184	if $self->per_player;
…		…
1925	or next;	2200	or next;
1926	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1927	or next;	2202	or next;
1928	$neigh->load;	2203	$neigh->load;
1929		2204
		2205	# now find the diagonal neighbours
1930	push @neigh,	2206	push @neigh,
1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1933	}	2209	}
1934		2210
…		…
1941	}	2217	}
1942		2218
1943	sub find_sync {	2219	sub find_sync {
1944	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1945		2221
1946	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1947	}	2226	}
1948		2227
1949	sub do_load_sync {	2228	sub do_load_sync {
1950	my ($map) = @_;	2229	my ($map) = @_;
1951		2230
1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1953	if $Coro::current != $Coro::main;	2232	if $Coro::current == $Coro::main;
1954		2233
1955	cf::sync_job { $map->load };	2234	$map->load;
1956	}	2235	}
1957		2236
1958	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1960		2239
…		…
1962	my ($path, $origin, $load) = @_;	2241	my ($path, $origin, $load) = @_;
1963		2242
1964	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1965		2244
1966	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2247	}
1969		2248
1970	$MAP_PREFETCH{$path} |= $load;	2249	$MAP_PREFETCH{$path} |= $load;
1971		2250
1972	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1973	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2256	if (my $map = find $k) {
1976	$map->load if $v;	2257	$map->load if $v;
1977	}	2258	}
…		…
1984	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1985		2266
1986	()	2267	()
1987	}	2268	}
1988		2269
		2270	# common code, used by both ->save and ->swapout
1989	sub save {	2271	sub _save {
1990	my ($self) = @_;	2272	my ($self) = @_;
1991
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;
1993		2273
1994	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1995		2275
1996	return unless $self->dirty;	2276	return unless $self->dirty;
1997		2277
…		…
2003	return if $self->{deny_save};	2283	return if $self->{deny_save};
2004		2284
2005	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
2006		2286
2007	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
2009	};	2290	};
		2291
		2292	cf::get_slot 0.02;
2010		2293
2011	if ($uniq) {	2294	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2297	} else {
2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2016	}	2299	}
2017	}	2300	}
2018		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
2019	sub swap_out {	2310	sub swap_out {
2020	my ($self) = @_;	2311	my ($self) = @_;
2021		2312
2022	# save first because save cedes
2023	$self->save;
2024
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
2027	return if $self->players;	2317	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;
2029	return if $self->{deny_save};
2030		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
2031	$self->clear;	2328	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2329	}
2034		2330
2035	sub reset_at {	2331	sub reset_at {
2036	my ($self) = @_;	2332	my ($self) = @_;
2037		2333
…		…
2055		2351
2056	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
2057		2353
2058	return if $self->players;	2354	return if $self->players;
2059		2355
2060	warn "resetting map ", $self->path;	2356	cf::trace "resetting map ", $self->path, "\n";
2061		2357
2062	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
2063		2359
2064	# need to save uniques path	2360	# need to save uniques path
2065	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
2069	if $uniq;	2365	if $uniq;
2070	}	2366	}
2071		2367
2072	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
2073		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2372	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2373
2078	$self->unlink_save;	2374	$self->unlink_save;
2079	$self->destroy;	2375	$self->destroy;
2080	}	2376	}
2081		2377
2082	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
2083		2379
2084	sub nuke {	2380	sub nuke {
2085	my ($self) = @_;	2381	my ($self) = @_;
2086		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
2087	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
2088		2387
2089	$self->unlink_save;	2388	$self->unlink_save;
2090		2389
2091	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
2092	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2395
2097	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
2098		2398
2099	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
2100	}	2400	}
2101		2401
2102	=item $maps = cf::map::tmp_maps	2402	=item $maps = cf::map::tmp_maps
…		…
2144		2444
2145	sub unique_maps() {	2445	sub unique_maps() {
2146	[	2446	[
2147	map {	2447	map {
2148	utf8::decode $_;	2448	utf8::decode $_;
2149	/\.map$/	2449	s/\.map$//; # TODO future compatibility hack
		2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2451	? ()
2150	? normalise $_	2452	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2453	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2454	]
2154	}	2455	}
2155		2456
2156	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
2157		2488
2158	=back	2489	=back
2159		2490
2160	=head3 cf::object	2491	=head3 cf::object
2161		2492
…		…
2165		2496
2166	=over 4	2497	=over 4
2167		2498
2168	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
2169		2500
2170	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
2171		2503
2172	=cut	2504	=cut
2173		2505
2174	sub inv_recursive_;	2506	sub inv_recursive_;
2175	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
2178		2510
2179	sub inv_recursive {	2511	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
2181	}	2513	}
2182		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
2183	package cf;	2543	package cf;
2184		2544
2185	=back	2545	=back
2186		2546
2187	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
2193	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2194	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
2195	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
2196		2556
2197	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
2198		2572
2199	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2574	# with dialog boxes.
2201	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
2202	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2588	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2590
2217	} else {	2591	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2594	}
2221	}	2595	}
2222	}	2596	}
2223		2597
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2623
2250	=item $player_object->enter_link	2624	=item $player_object->enter_link
2251		2625
2252	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
2253		2627
2254	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
2255	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
2256		2632
2257	Will never block.	2633	Will never block.
2258		2634
2259	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
2260		2636
…		…
2280	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
2281	my ($self) = @_;	2657	my ($self) = @_;
2282		2658
2283	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
2284		2660
		2661	++$self->{_link_recursion};
		2662
2285	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
2286		2664
2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2288	if $self->map && $self->map->{path} ne "{link}";	2666	if $self->map && $self->map->{path} ne "{link}";
2289		2667
2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2291	}	2669	}
2292		2670
2293	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
2294	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
2295		2673
…		…
2312	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
2313	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
2314		2692
2315	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
2316	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
2317	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
2318		2696
2319	$map->load;	2697	$map->load;
2320	$map->load_neighbours;	2698	$map->load_neighbours;
2321		2699
2322	return unless $self->contr->active;	2700	return unless $self->contr->active;
2323	$self->activate_recursive;
2324		2701
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
2327	}	2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
		2707	$self->activate_recursive;
		2708	}
2328		2709
		2710	}
		2711
2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2330		2713
2331	Moves the player to the given map-path and coordinates by first freezing	2714	Moves the player to the given map-path and coordinates by first freezing
2332	her, loading and preparing them map, calling the provided $check callback	2715	her, loading and preparing them map, calling the provided $check callback
2333	that has to return the map if sucecssful, and then unfreezes the player on	2716	that has to return the map if sucecssful, and then unfreezes the player on
2334	the new (success) or old (failed) map position. In either case, $done will	2717	the new (success) or old (failed) map position. In either case, $done will
2335	be called at the end of this process.	2718	be called at the end of this process.
2336		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
2337	=cut	2723	=cut
2338		2724
2339	our $GOTOGEN;	2725	our $GOTOGEN;
2340		2726
2341	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
2342	my ($self, $path, $x, $y, $check, $done) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
2343		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
2344	# do generation counting so two concurrent goto's will be executed in-order	2736	# do generation counting so two concurrent goto's will be executed in-order
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2738
2347	$self->enter_link;	2739	$self->enter_link;
2348		2740
2349	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
2350	my $map = eval {	2763	my $map = eval {
2351	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
2352		2765
2353	if ($map) {	2766	if ($map) {
2354	$map = $map->customise_for ($self);	2767	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2768	$map = $check->($map, $x, $y, $self) if $check && $map;
2356	} else {	2769	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2771	}
2359		2772
2360	$map	2773	$map
2361	};	2774	};
2362		2775
…		…
2368	if ($gen == $self->{_goto_generation}) {	2781	if ($gen == $self->{_goto_generation}) {
2369	delete $self->{_goto_generation};	2782	delete $self->{_goto_generation};
2370	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
2371	}	2784	}
2372		2785
2373	$done->() if $done;	2786	$done->($self) if $done;
2374	})->prio (1);	2787	})->prio (1);
2375	}	2788	}
2376		2789
2377	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
2378		2791
…		…
2398	}	2811	}
2399		2812
2400	sub prepare_random_map {	2813	sub prepare_random_map {
2401	my ($exit) = @_;	2814	my ($exit) = @_;
2402		2815
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2818	# that depends on the exit object
2408		2819
2409	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2822	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
2416	}	2829	}
2417		2830
2418	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
2419		2832
2420	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
2423		2836
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2839	undef $fh;
2427	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
2428		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2431	}	2848	}
2432	}	2849	}
2433		2850
2434	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2436		2853
2437	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2438		2855
2439	if ($exit->slaying eq "/!") {
2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
2441	# the problem is that $exit might not survive long enough
2442	# so it needs to be done right now, right here
2443	cf::sync_job { prepare_random_map $exit };
2444	}
2445
2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447	my $hp = $exit->stats->hp;
2448	my $sp = $exit->stats->sp;
2449
2450	$self->enter_link;	2856	$self->enter_link;
2451		2857
2452	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);
2455
2456	(async {	2858	(async {
2457	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2458	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
2459	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2460		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
2461	1;	2882	1
2462	}) {	2883	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
2465	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2467		2888
2468	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2469	$self->leave_link;	2890	$self->leave_link;
2470	}	2891	}
2471	})->prio (1);	2892	})->prio (1);
2472	}	2893	}
2473		2894
…		…
2485	sub cf::client::send_drawinfo {	2906	sub cf::client::send_drawinfo {
2486	my ($self, $text, $flags) = @_;	2907	my ($self, $text, $flags) = @_;
2487		2908
2488	utf8::encode $text;	2909	utf8::encode $text;
2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2911	}
		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
2490	}	2936	}
2491		2937
2492	=item $client->send_msg ($channel, $msg, $color, [extra...])	2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
2493		2939
2494	Send a drawinfo or msg packet to the client, formatting the msg for the	2940	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	2942	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	2943	the message unless the client supports the msg packet.
2498		2944
2499	=cut	2945	=cut
2500		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
2501	sub cf::client::send_msg {	3061	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	3062	my ($self, $channel, $msg, $color, @extra) = @_;
2503		3063
2504	$msg = $self->pl->expand_cfpod ($msg);	3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
2505		3066
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
2508	if (ref $channel) {	3076	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	3077	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	3078	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	3079	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	3080	$self->ext_msg (channel_info => $channel);
2513	}	3081	}
…		…
2515	$channel = $channel->{id};	3083	$channel = $channel->{id};
2516	}	3084	}
2517		3085
2518	return unless @extra || length $msg;	3086	return unless @extra || length $msg;
2519		3087
2520	if ($self->can_msg) {
2521	# default colour, mask it out	3088	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	3090	if $color & cf::NDI_DEF;
2524		3091
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2527	} else {	3095	);
2528	if ($color >= 0) {
2529	# replace some tags by gcfclient-compatible ones
2530	for ($msg) {
2531	1 while
2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537	}
2538		3096
2539	$color &= cf::NDI_COLOR_MASK;	3097	$self->send_big_packet ($pkt);
2540
2541	utf8::encode $msg;
2542
2543	if (0 && $msg =~ /\[/) {
2544	# COMMAND/INFO
2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
2546	} else {
2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548	$self->send_packet ("drawinfo $color $msg")
2549	}
2550	}
2551	}
2552	}	3098	}
2553		3099
2554	=item $client->ext_msg ($type, @msg)	3100	=item $client->ext_msg ($type, @msg)
2555		3101
2556	Sends an ext event to the client.	3102	Sends an ext event to the client.
…		…
2558	=cut	3104	=cut
2559		3105
2560	sub cf::client::ext_msg($$@) {	3106	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	3107	my ($self, $type, @msg) = @_;
2562		3108
2563	my $extcmd = $self->extcmd;
2564
2565	if ($extcmd == 2) {	3109	if ($self->extcmd == 2) {
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2567	} elsif ($extcmd == 1) { # TODO: remove	3111	} elsif ($self->extcmd == 1) { # TODO: remove
2568	push @msg, msgtype => "event_$type";	3112	push @msg, msgtype => "event_$type";
2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2570	}	3114	}
2571	}	3115	}
2572		3116
2573	=item $client->ext_reply ($msgid, @msg)	3117	=item $client->ext_reply ($msgid, @msg)
2574		3118
…		…
2578		3122
2579	sub cf::client::ext_reply($$@) {	3123	sub cf::client::ext_reply($$@) {
2580	my ($self, $id, @msg) = @_;	3124	my ($self, $id, @msg) = @_;
2581		3125
2582	if ($self->extcmd == 2) {	3126	if ($self->extcmd == 2) {
2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2584	} elsif ($self->ns->extcmd == 1) {	3128	} elsif ($self->extcmd == 1) {
2585	#TODO: version 1, remove	3129	#TODO: version 1, remove
2586	unshift @msg, msgtype => "reply", msgid => $id;	3130	unshift @msg, msgtype => "reply", msgid => $id;
2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588	}	3132	}
2589	}	3133	}
2590		3134
2591	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2592		3136
…		…
2663		3207
2664	$ns->ext_reply ($reply, @reply)	3208	$ns->ext_reply ($reply, @reply)
2665	if $reply;	3209	if $reply;
2666		3210
2667	} else {	3211	} else {
2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2669	}	3213	}
2670		3214
2671	cf::override;	3215	cf::override;
2672	},	3216	},
2673	);	3217	);
…		…
2693		3237
2694	$coro	3238	$coro
2695	}	3239	}
2696		3240
2697	cf::client->attach (	3241	cf::client->attach (
2698	on_destroy => sub {	3242	on_client_destroy => sub {
2699	my ($ns) = @_;	3243	my ($ns) = @_;
2700		3244
2701	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2702	},	3246	},
2703	);	3247	);
…		…
2719	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2720		3264
2721	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2722		3266
2723	$safe->permit_only (Opcode::opset qw(	3267	$safe->permit_only (Opcode::opset qw(
2724	:base_core :base_mem :base_orig :base_math	3268	:base_core :base_mem :base_orig :base_math :base_loop
2725	grepstart grepwhile mapstart mapwhile	3269	grepstart grepwhile mapstart mapwhile
2726	sort time	3270	sort time
2727	));	3271	));
2728		3272
2729	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
…		…
2731	=pod	3275	=pod
2732		3276
2733	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2734		3278
2735	cf::object	3279	cf::object
2736	contr pay_amount pay_player map x y force_find force_add	3280	contr pay_amount pay_player map x y force_find force_add destroy
2737	insert remove name archname title slaying race	3281	insert remove name archname title slaying race decrease split
		3282	value
2738		3283
2739	cf::object::player	3284	cf::object::player
2740	player	3285	player
2741		3286
2742	cf::player	3287	cf::player
…		…
2747		3292
2748	=cut	3293	=cut
2749		3294
2750	for (	3295	for (
2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2752	insert remove inv name archname title slaying race)],	3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2753	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2754	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2755	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2756	) {	3302	) {
2757	no strict 'refs';
2758	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2759	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2760	for @funs;	3305	for @funs;
2761	}	3306	}
2762		3307
…		…
2777		3322
2778	my $qcode = $code;	3323	my $qcode = $code;
2779	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2780	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2781		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2782	local $_;	3330	local $_;
2783	local @safe::cf::_safe_eval_args = values %vars;
2784		3331
2785	my $eval =	3332	my $eval =
2786	"do {\n"	3333	"do {\n"
2787	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2788	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2789	. $code	3336	. $code
2790	. "\n}"	3337	. "\n}"
2791	;	3338	;
2792		3339
		3340	if ($CFG{safe_eval}) {
2793	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2794	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2795	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2796		3349
2797	if ($@) {	3350	if ($@) {
2798	warn "$@";	3351	warn "$@",
2799	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2800	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2801	}	3354	}
2802		3355
2803	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2804	}	3357	}
2805		3358
…		…
2819	=cut	3372	=cut
2820		3373
2821	sub register_script_function {	3374	sub register_script_function {
2822	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2823		3376
2824	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2825	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2826	}	3379	}
2827		3380
2828	=back	3381	=back
2829		3382
2830	=cut	3383	=cut
…		…
2833	# the server's init and main functions	3386	# the server's init and main functions
2834		3387
2835	sub load_facedata($) {	3388	sub load_facedata($) {
2836	my ($path) = @_;	3389	my ($path) = @_;
2837		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
2838	my $enc = JSON::XS->new->utf8->canonical;	3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2839		3396
2840	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2841		3398
2842	my $facedata;
2843	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2844	or die "$path: $!";	3400	or die "$path: $!";
2845		3401
2846	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2847		3403
2848	$facedata->{version} == 2	3404	$facedata->{version} == 2
2849	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2850		3406
2851	# patch in the exptable	3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2852	$facedata->{resource}{"res/exp_table"} = {	3409	$facedata->{resource}{"res/exp_table"} = {
2853	type => FT_RSRC,	3410	type => FT_RSRC,
2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
2855	};	3413	};
2856	cf::cede_to_tick;	3414	cf::cede_to_tick;
2857		3415
2858	{	3416	{
2859	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2860		3418
2861	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2863	cf::face::set_visibility $idx, $info->{visibility};	3422	cf::face::set_visibility $idx, $info->{visibility};
2864	cf::face::set_magicmap $idx, $info->{magicmap};	3423	cf::face::set_magicmap $idx, $info->{magicmap};
2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2867		3426
2868	cf::cede_to_tick;	3427	cf::cede_to_tick;
2869	}	3428	}
2870		3429
2871	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2872	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2873	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2874	or next;	3434	or next;
		3435
2875	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
2876	cf::face::set_smooth $idx, $smooth;	3437	cf::face::set_smooth $idx, $smooth;
2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2878	} else {	3439	} else {
2879	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2880	}	3441	}
2881		3442
2882	cf::cede_to_tick;	3443	cf::cede_to_tick;
2883	}	3444	}
2884	}	3445	}
…		…
2893		3454
2894	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2895	}	3456	}
2896		3457
2897	{	3458	{
2898	# TODO: for gcfclient pleasure, we should give resources
2899	# that gcfclient doesn't grok a >10000 face index.
2900	my $res = $facedata->{resource};	3459	my $res = $facedata->{resource};
2901		3460
2902	my $soundconf = delete $res->{"res/sound.conf"};
2903
2904	while (my ($name, $info) = each %$res) {	3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2906	my $data;
2907		3464
2908	if ($info->{type} & 1) {	3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2909	# prepend meta info	3466	cf::face::set_type $idx, $info->{type};
2910
2911	my $meta = $enc->encode ({
2912	name => $name,
2913	%{ $info->{meta} || {} },
2914	});
2915
2916	$data = pack "(w/a*)*", $meta, $info->{data};
2917	} else {	3467	} else {
2918	$data = $info->{data};	3468	$RESOURCE{$name} = $info; # unused
2919	}	3469	}
2920		3470
2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2922	cf::face::set_type $idx, $info->{type};
2923
2924	cf::cede_to_tick;	3471	cf::cede_to_tick;
2925	}	3472	}
2926
2927	if ($soundconf) {
2928	$soundconf = $enc->decode (delete $soundconf->{data});
2929
2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2931	my $sound = $soundconf->{compat}[$_]
2932	or next;
2933
2934	my $face = cf::face::find "sound/$sound->[1]";
2935	cf::sound::set $sound->[0] => $face;
2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2937	}
2938
2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
2940	my $face = cf::face::find "sound/$v";
2941	cf::sound::set $k => $face;
2942	}
2943	}
2944	}	3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2945		3476
2946	1	3477	1
2947	}	3478	}
2948		3479
2949	register_exticmd fx_want => sub {	3480	register_exticmd fx_want => sub {
…		…
2952	while (my ($k, $v) = each %$want) {	3483	while (my ($k, $v) = each %$want) {
2953	$ns->fx_want ($k, $v);	3484	$ns->fx_want ($k, $v);
2954	}	3485	}
2955	};	3486	};
2956		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
2957	sub reload_regions {	3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
2958	load_resource_file "$MAPDIR/regions"	3503	load_resource_file "$MAPDIR/regions"
2959	or die "unable to load regions file\n";	3504	or die "unable to load regions file\n";
2960		3505
2961	for (cf::region::list) {	3506	for (cf::region::list) {
2962	$_->{match} = qr/$_->{match}/	3507	$_->{match} = qr/$_->{match}/
…		…
2970	}	3515	}
2971		3516
2972	sub reload_archetypes {	3517	sub reload_archetypes {
2973	load_resource_file "$DATADIR/archetypes"	3518	load_resource_file "$DATADIR/archetypes"
2974	or die "unable to load archetypes\n";	3519	or die "unable to load archetypes\n";
2975	#d# NEED to laod twice to resolve forward references
2976	# this really needs to be done in an extra post-pass
2977	# (which needs to be synchronous, so solve it differently)
2978	load_resource_file "$DATADIR/archetypes"
2979	or die "unable to load archetypes\n";
2980	}	3520	}
2981		3521
2982	sub reload_treasures {	3522	sub reload_treasures {
2983	load_resource_file "$DATADIR/treasures"	3523	load_resource_file "$DATADIR/treasures"
2984	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2985	}	3525	}
2986		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2987	sub reload_resources {	3550	sub reload_resources {
2988	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2989		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2990	reload_regions;	3558	reload_regions;
2991	reload_facedata;
2992	#reload_archetypes;#d#
2993	reload_archetypes;
2994	reload_treasures;	3559	reload_treasures;
2995		3560
2996	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2997	}	3562	}
2998		3563
2999	sub init {	3564	sub reload_config {
3000	reload_resources;	3565	trace "reloading config file...\n";
3001	}
3002		3566
3003	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
3004	open my $fh, "<:utf8", "$CONFDIR/config"	3568	or die "$CONFDIR/config: $!";
3005	or return;
3006		3569
3007	local $/;	3570	utf8::decode $config;
3008	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
3009		3572
3010	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3011		3574
3012	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3013	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3014		3577
3015	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
3019	};	3582	};
3020	warn $@ if $@;	3583	warn $@ if $@;
3021	}	3584	}
3022	}	3585	}
3023		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
3024	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
3025	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
3026	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3028	(async {	3628	(async {
3029	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
3030	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
3031	};	3632	};
3032		3633
3033	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
3034	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
3035	load_extensions;	3657	load_extensions;
3036		3658
3037	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
3038	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
3039	}	3677	}
3040		3678
3041	#############################################################################	3679	#############################################################################
3042	# initialisation and cleanup	3680	# initialisation and cleanup
3043		3681
3044	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
3045	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
3046	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
3047	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3048	reentrant => 0,
3049	data => WF_AUTOCANCEL,
3050	signal => $signal,
3051	prio => 0,
3052	cb => sub {
3053	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
3054	},
3055	);	3688	};
3056	}	3689	}
3057	}	3690	}
3058		3691
3059	sub write_runtime {	3692	sub write_runtime_sync {
3060	my $runtime = "$LOCALDIR/runtime";	3693	my $t0 = AE::time;
3061		3694
3062	# first touch the runtime file to show we are still running:	3695	# first touch the runtime file to show we are still running:
3063	# the fsync below can take a very very long time.	3696	# the fsync below can take a very very long time.
3064		3697
3065	IO::AIO::aio_utime $runtime, undef, undef;	3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3066		3699
3067	my $guard = cf::lock_acquire "write_runtime";	3700	my $guard = cf::lock_acquire "write_runtime";
3068		3701
3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3070	or return;	3703	or return;
3071		3704
3072	my $value = $cf::RUNTIME + 90 + 10;	3705	my $value = $cf::RUNTIME + 90 + 10;
3073	# 10 is the runtime save interval, for a monotonic clock	3706	# 10 is the runtime save interval, for a monotonic clock
3074	# 60 allows for the watchdog to kill the server.	3707	# 60 allows for the watchdog to kill the server.
…		…
3084	aio_utime $fh, undef, undef;	3717	aio_utime $fh, undef, undef;
3085		3718
3086	close $fh	3719	close $fh
3087	or return;	3720	or return;
3088		3721
3089	aio_rename "$runtime~", $runtime	3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3090	and return;	3723	and return;
3091		3724
3092	warn "runtime file written.\n";	3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3093		3726
3094	1	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
3095	}	3778	}
3096		3779
3097	sub emergency_save() {	3780	sub emergency_save() {
3098	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
3099		3782
3100	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
3101		3789
3102	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
3103	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
3104	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
3105	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
3106	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
3107	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
3108	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
3109	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3110	$pl->save;	3801	$pl->save;
3111	}	3802	}
3112	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
3113		3804
3114	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
3115	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
3116	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
3117	$map->valid or next;	3810	$map->valid or next;
3118	$map->save;	3811	$map->save;
3119	}	3812	}
3120	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
3121		3814
3122	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
3124	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
3125	};	3843	};
3126		3844
3127	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
3128	}	3846	}
3129		3847
3130	sub post_cleanup {	3848	sub post_cleanup {
3131	my ($make_core) = @_;	3849	my ($make_core) = @_;
3132		3850
		3851	IO::AIO::flush;
		3852
3133	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
3134	if $make_core;	3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
3135	}	3883	}
3136		3884
3137	sub do_reload_perl() {	3885	sub do_reload_perl() {
3138	# can/must only be called in main	3886	# can/must only be called in main
3139	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
3140	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
3141	return;	3889	return;
3142	}	3890	}
3143		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
3144	warn "reloading...";	3898	info "reloading...";
3145		3899
3146	warn "entering sync_job";	3900	trace "entering sync_job";
3147		3901
3148	cf::sync_job {	3902	cf::sync_job {
3149	cf::write_runtime; # external watchdog should not bark
3150	cf::emergency_save;	3903	#cf::emergency_save;
3151	cf::write_runtime; # external watchdog should not bark
3152		3904
3153	warn "syncing database to disk";
3154	BDB::db_env_txn_checkpoint $DB_ENV;
3155
3156	# if anything goes wrong in here, we should simply crash as we already saved
3157
3158	warn "cancelling all WF_AUTOCANCEL watchers";
3159	for (Event::all_watchers) {
3160	$_->cancel if $_->data & WF_AUTOCANCEL;
3161	}
3162
3163	warn "flushing outstanding aio requests";
3164	for (;;) {
3165	BDB::flush;
3166	IO::AIO::flush;
3167	Coro::cede;
3168	last unless IO::AIO::nreqs || BDB::nreqs;
3169	warn "iterate...";
3170	}
3171
3172	++$RELOAD;
3173
3174	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
3175	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
3176	%EXT_CORO = ();	3907	%EXT_CORO = ();
3177		3908
3178	warn "removing commands";	3909	trace "removing commands";
3179	%COMMAND = ();	3910	%COMMAND = ();
3180		3911
3181	warn "removing ext/exti commands";	3912	trace "removing ext/exti commands";
3182	%EXTCMD = ();	3913	%EXTCMD = ();
3183	%EXTICMD = ();	3914	%EXTICMD = ();
3184		3915
3185	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
3186	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
3187	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
3188		3919
3189	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
3190	eval {	3921	eval {
3191	$cb->($pkg);	3922	$cb->($pkg);
3192	1	3923	1
3193	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
3194	}	3929	}
3195		3930
3196	warn "... nuking $pkg";
3197	Symbol::delete_package $pkg;
3198	}
3199
3200	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
3201	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3203		3934
3204	warn "... unloading $k";	3935	trace "... unloading $k";
3205	delete $INC{$k};	3936	delete $INC{$k};
3206		3937
3207	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
3208	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
3209		3940
3210	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
3211	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
3212	}	3946	}
3213		3947
3214	Symbol::delete_package $k;
3215	}
3216
3217	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
3218	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3220		3951
3221	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
3222	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
3223	delete $INC{"cf/pod.pm"};	3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3224		3955
3225	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
3226	# and global variables created in xs	3957	# and global variables created in xs
3227	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
3228		3959
3229	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
3230		3961
3231	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
3232	require cf;	3963	require cf;
3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
3234		3965
3235	warn "loading config and database again";	3966	trace "loading config and database again";
3236	cf::cfg_load;	3967	cf::reload_config;
3237		3968
3238	warn "loading extensions";	3969	trace "loading extensions";
3239	cf::load_extensions;	3970	cf::load_extensions;
3240		3971
		3972	if ($REATTACH_ON_RELOAD) {
3241	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
3242	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
3243	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
3244	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
3245	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
3246	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
3247		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
3248	warn "leaving sync_job";	3984	trace "leaving sync_job";
3249		3985
3250	1	3986	1
3251	} or do {	3987	} or do {
3252	warn $@;	3988	error $@;
3253	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
3254	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
3255	};	3994	}
3256		3995
3257	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
3258	};	3998	};
3259		3999
3260	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
3261		4001
3262	sub reload_perl() {	4002	sub reload_perl() {
3263	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
3264	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
3265		4005
3266	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
3267	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
3268	after => 0,	4008
3269	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3270	cb => sub {
3271	do_reload_perl;	4010	do_reload_perl;
3272	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
3273	},	4012	};
3274	);	4013	};
3275	}	4014	}
3276		4015
3277	register_command "reload" => sub {	4016	register_command "reload" => sub {
3278	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
3279		4018
3280	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
3281	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
3282	async { reload_perl };	4023	reload_perl;
		4024	};
3283	}	4025	}
3284	};	4026	};
3285		4027
3286	unshift @INC, $LIBDIR;	4028	#############################################################################
3287		4029
3288	my $bug_warning = 0;	4030	my $bug_warning = 0;
3289		4031
3290	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
3291	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
3292		4034
3293	sub wait_for_tick {	4035	sub wait_for_tick() {
3294	return unless $TICK_WATCHER->is_active;
3295	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3296		4037
3297	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
3298	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
3299	$signal->wait;	4040	$signal->wait;
3300	}	4041	}
3301		4042
3302	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
3303	return unless $TICK_WATCHER->is_active;
3304	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3305		4045
3306	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
3307	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
3308	$signal->wait;	4048	$signal->wait;
3309	}	4049	}
3310		4050
3311	my $min = 1e6;#d#	4051	sub tick {
3312	my $avg = 10;
3313	$TICK_WATCHER = Event->timer (
3314	reentrant => 0,
3315	parked => 1,
3316	prio => 0,
3317	at => $NEXT_TICK || $TICK,
3318	data => WF_AUTOCANCEL,
3319	cb => sub {
3320	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3322	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
3323	return;	4055	return;
3324	}	4056	}
3325		4057
3326	$NOW = $tick_start = Event::time;
3327
3328	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
3329		4059
3330	0 && sync_job {#d#	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3331	for(1..10) {
3332	my $t = Event::time;
3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3334	or die;
3335		4061
3336	$map->width (50);	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3337	$map->height (50);	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3338	$map->alloc;	4064	Coro::async_pool {
3339	$map->_load_objects ("/tmp/x.map", 1);	4065	$Coro::current->{desc} = "runtime saver";
3340	my $t = Event::time - $t;	4066	write_runtime_sync
3341		4067	or error "ERROR: unable to write runtime file: $!";
3342	#next unless $t < 0.0013;#d#
3343	if ($t < $min) {
3344	$min = $t;
3345	}
3346	$avg = $avg * 0.99 + $t * 0.01;
3347	}
3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3349	exit 0;
3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3351	};	4068	};
		4069	}
3352		4070
3353	$RUNTIME += $TICK;
3354	$NEXT_TICK += $TICK;
3355
3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
3358	Coro::async_pool {
3359	write_runtime
3360	or warn "ERROR: unable to write runtime file: $!";
3361	};
3362	}
3363
3364	# my $AFTER = Event::time;
3365	# warn $AFTER - $NOW;#d#
3366
3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3368	$sig->send;	4072	$sig->send;
3369	}	4073	}
3370	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
3371	$sig->send;	4075	$sig->send;
3372	}	4076	}
3373		4077
3374	$NOW = Event::time;	4078	$LOAD = ($NOW - $TICK_START) / $TICK;
3375
3376	# if we are delayed by four ticks or more, skip them all
3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3378
3379	$TICK_WATCHER->at ($NEXT_TICK);
3380	$TICK_WATCHER->start;
3381
3382	$LOAD = ($NOW - $tick_start) / $TICK;
3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3384		4080
3385	_post_tick;	4081	if (0) {
3386		4082	if ($NEXT_TICK) {
3387		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
3388	},	4087	}
3389	);	4088	}
3390		4089
3391	{	4090	{
3392	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
3393	$BDB_POLL_WATCHER = Event->io (	4092
3394	reentrant => 0,
3395	fd => BDB::poll_fileno,
3396	poll => 'r',
3397	prio => 0,
3398	data => WF_AUTOCANCEL,
3399	cb => \&BDB::poll_cb,
3400	);
3401	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
3402		4094	BDB::max_poll_reqs $TICK * 0.1;
3403	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
3404	my $status;
3405	my $current = $Coro::current;
3406	(
3407	sub {
3408	$status = $!;
3409	$current->ready; undef $current;
3410	},
3411	sub {
3412	Coro::schedule while defined $current;
3413	$! = $status;
3414	},
3415	)
3416	};
3417		4096
3418	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
3419	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3420		4104
3421	cf::sync_job {	4105	cf::sync_job {
3422	eval {	4106	eval {
3423	BDB::db_env_open	4107	BDB::db_env_open
3424	$DB_ENV,	4108	$DB_ENV,
…		…
3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3428	0666;	4112	0666;
3429		4113
3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3431
3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3433	$DB_ENV->set_lk_detect;
3434	};	4115	};
3435		4116
3436	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
3437	};	4118	};
3438	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
3439	}	4130	}
3440		4131
3441	{	4132	{
		4133	# configure IO::AIO
		4134
3442	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
3443
3444	undef $Coro::AIO::WATCHER;
3445	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
3446	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
3447	reentrant => 0,
3448	data => WF_AUTOCANCEL,
3449	fd => IO::AIO::poll_fileno,
3450	poll => 'r',
3451	prio => 6,
3452	cb => \&IO::AIO::poll_cb,
3453	);
3454	}	4138	}
3455		4139
3456	my $_log_backtrace;	4140	my $_log_backtrace;
3457		4141
3458	sub _log_backtrace {	4142	sub _log_backtrace {
…		…
3461	$msg =~ s/\n//;	4145	$msg =~ s/\n//;
3462		4146
3463	# limit the # of concurrent backtraces	4147	# limit the # of concurrent backtraces
3464	if ($_log_backtrace < 2) {	4148	if ($_log_backtrace < 2) {
3465	++$_log_backtrace;	4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
3466	async {	4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
3467	my @bt = fork_call {	4154	my @bt = fork_call {
3468	@addr = map { sprintf "%x", $_ } @addr;	4155	@addr = map { sprintf "%x", $_ } @addr;
3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3471	or die "addr2line: $!";	4158	or die "addr2line: $!";
…		…
3479	}	4166	}
3480		4167
3481	@funcs	4168	@funcs
3482	};	4169	};
3483		4170
3484	LOG llevInfo, "[ABT] $msg\n";	4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3485	LOG llevInfo, "[ABT] $_\n" for @bt;	4173	LOG llevInfo, "[ABT] $_\n" for @bt;
3486	--$_log_backtrace;	4174	--$_log_backtrace;
3487	};	4175	};
3488	} else {	4176	} else {
3489	LOG llevInfo, "[ABT] $msg\n";	4177	LOG llevInfo, "[ABT] $msg\n";
3490	LOG llevInfo, "[ABT] [suppressed]\n";	4178	LOG llevInfo, "[ABT] [suppressed]\n";
3491	}	4179	}
3492	}	4180	}
3493		4181
3494	# load additional modules	4182	# load additional modules
3495	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
3496		4185
3497	END { cf::emergency_save }	4186	END { cf::emergency_save }
3498		4187
3499	1	4188	1
3500		4189

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