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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.246 by root, Tue Apr 17 10:38:28 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.61 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
21	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
22		50
		51	use JSON::XS 2.01 ();
23	use BDB ();	52	use BDB ();
24	use Data::Dumper;	53	use Data::Dumper;
25	use Digest::MD5;	54	use Digest::MD5;
26	use Fcntl;	55	use Fcntl;
27	use YAML::Syck ();	56	use YAML ();
28	use IO::AIO 2.32 ();	57	use IO::AIO ();
29	use Time::HiRes;	58	use Time::HiRes;
30	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
31		63
32	# configure various modules to our taste	64	# configure various modules to our taste
33	#	65	#
34	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		69
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		71
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		73
47	our %COMMAND = ();	74	our %COMMAND = ();
48	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
49		76
50	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
54		82
55	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
56	our @EVENT;	84	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	85
		86	our $CONFDIR = confdir;
		87	our $DATADIR = datadir;
		88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
58		98
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	101	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	107	our $DB_ENV;
69		108
70	our %CFG;	109	our %CFG;
71		110
72	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
74		114
75	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		118
81	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
84	binmode STDOUT;	127	binmode STDOUT;
85	binmode STDERR;	128	binmode STDERR;
86		129
87	# read virtual server time, if available	130	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
92	}	135	}
93		136
94	mkdir cf::localdir;	137	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		139
101	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
102		141
103	sub cf::map::normalise;	142	sub cf::map::normalise;
104		143
…		…
115	=item $cf::RUNTIME	154	=item $cf::RUNTIME
116		155
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	157	every server tick.
119		158
120	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		162
122	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
124		167
125	=item $cf::NOW	168	=item $cf::NOW
126		169
127	The time of the last (current) server tick.	170	The time of the last (current) server tick.
128		171
129	=item $cf::TICK	172	=item $cf::TICK
130		173
131	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
132		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
133	=item %cf::CFG	186	=item %cf::CFG
134		187
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	189	from wherever your confdir points to.
137		190
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		192
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	194	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
		202
144	=back	203	=back
145		204
146	=cut	205	=cut
147		206
148	BEGIN {	207	BEGIN {
149	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	209	my $msg = join "", @_;
151	utf8::encode $msg;
152		210
153	$msg .= "\n"	211	$msg .= "\n"
154	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
155		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
156	LOG llevError, $msg;	216	LOG llevError, $msg;
157	};	217	};
158	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
159		234
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		242
167	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	244	# within the Safe compartment.
169	for my $pkg (qw(	245	for my $pkg (qw(
170	cf::global cf::attachable	246	cf::global cf::attachable
171	cf::object cf::object::player	247	cf::object cf::object::player
172	cf::client cf::player	248	cf::client cf::player
173	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
174	cf::map cf::party cf::region	251	cf::party cf::region
175	)) {	252	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	254	}
179		255
180	$Event::DIED = sub {	256	$EV::DIED = sub {
181	warn "error in event callback: @_";	257	warn "error in event callback: @_";
182	};	258	};
		259
		260	#############################################################################
183		261
184	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
185		263
186	=over 4	264	=over 4
187		265
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	285	$d
208	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
209	}	287	}
210		288
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
214		290
215	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
216		292
217	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
218		294
219	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
220		303
221	=item cf::lock_wait $string	304	=item cf::lock_wait $string
222		305
223	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
224		307
…		…
227	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
230	returned.	313	returned.
231		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
232	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
234		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
235	=cut	325	=cut
236		326
237	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
238		329
239	sub lock_wait($) {	330	sub lock_wait($) {
240	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
241		337
242	# wait for lock, if any	338	# wait for lock, if any
243	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	341	Coro::schedule;
…		…
251		347
252	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
253	lock_wait $key;	349	lock_wait $key;
254		350
255	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
256		353
257	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
260	}	358	}
261	}	359	}
262		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
263	sub freeze_mainloop {	367	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
265		369
266	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
268	};	431	}
269	$TICK_WATCHER->stop;	432	};
270	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		536
351	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
352		541
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
354	or return;
355		543
356	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		546
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
361	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
362		550
363	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	552	reset_signals;
365	and return;	553	&$cb
		554	}, @args;
366		555
367	close $fh	556	wantarray ? @res : $res[-1]
368	or return;	557	}
369		558
370	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
371	and return;
372		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
373	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
374	}	711	}
375		712
376	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
377		714
378	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
398		735
399	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	738	Deliantra).
402		739
403	=over 4	740	=over 4
404		741
405	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
406		743
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
570		907
571	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		912
576	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	914	my $pkg = shift @arg;
578		915
579	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
609	}	946	}
610		947
611	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
612	} else {	949	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	951	}
615		952
616	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
617	}	954	}
618		955
…		…
620	if (ref $_[0]) {	957	if (ref $_[0]) {
621	_object_attach @_;	958	_object_attach @_;
622	} else {	959	} else {
623	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
624	}	961	}
		962	_recalc_want;
625	};	963	};
626		964
627	# all those should be optimised	965	# all those should be optimised
628	sub cf::attachable::detach {	966	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
633	reattach ($obj);	971	reattach ($obj);
634	} else {	972	} else {
635	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
636	}	974	}
		975	_recalc_want;
637	};	976	};
638		977
639	sub cf::attachable::attached {	978	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
641		980
…		…
656	";	995	";
657	die if $@;	996	die if $@;
658	}	997	}
659		998
660	our $override;	999	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1001
663	sub override {	1002	sub override {
664	$override = 1;	1003	$override = 1;
665	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
666	}	1005	}
667		1006
668	sub do_invoke {	1007	sub do_invoke {
669	my $event = shift;	1008	my $event = shift;
670	my $callbacks = shift;	1009	my $callbacks = shift;
671		1010
672	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
673		1012
674	local $override;	1013	local $override;
675		1014
676	for (@$callbacks) {	1015	for (@$callbacks) {
677	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
686	}	1025	}
687		1026
688	0	1027	0
689	}	1028	}
690		1029
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1031
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1033
695	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
696		1035
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1039
701	=back	1040	=back
702		1041
703	=cut	1042	=cut
704		1043
705	#############################################################################	1044	#############################################################################
706	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
707		1088
708	sub reattach {	1089	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1091	my ($obj) = @_;
711		1092
		1093	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1095
714	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
715		1097
716	@$registry = ();	1098	@$registry = ();
717		1099
…		…
732	cf::attachable->attach (	1114	cf::attachable->attach (
733	prio => -1000000,	1115	prio => -1000000,
734	on_instantiate => sub {	1116	on_instantiate => sub {
735	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
736		1118
737	$data = from_json $data;	1119	$data = decode_json $data;
738		1120
739	for (@$data) {	1121	for (@$data) {
740	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
741		1123
742	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1140	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
760		1142
761	sync_job {	1143	sync_job {
762	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
765		1148
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1153	aio_close $fh;
771		1154
772	if (@$objs) {	1155	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1161	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
780	}	1163	}
781	} else {	1164	} else {
782	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
783	}	1166	}
…		…
788	}	1171	}
789	} else {	1172	} else {
790	aio_unlink $filename;	1173	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
792	}	1175	}
793	}	1176	};
794	}	1177	}
795		1178
796	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
798		1181
…		…
810	or return;	1193	or return;
811		1194
812	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
814	or return;	1197	or return;
		1198
815	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
816	}	1201	}
817		1202
		1203	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
820	return ($data, $av);	1207	($data, $av)
821	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
822		1215
823	#############################################################################	1216	#############################################################################
824	# command handling &c	1217	# command handling &c
825		1218
826	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1233	}
841		1234
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1236
844	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
845		1242
846	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
847	called.	1244	called.
848		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
849	=cut	1257	=cut
850		1258
851	sub register_extcmd {	1259	sub register_extcmd {
852	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
853		1261
854	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
855	}	1269	}
856		1270
857	cf::player->attach (	1271	cf::player->attach (
858	on_command => sub {	1272	on_command => sub {
859	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1282	cf::override;
869	},	1283	},
870	on_extcmd => sub {	1284	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
872		1286
873	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1288
875	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
881	} else {	1304	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1306	}
884		1307
885	cf::override;	1308	cf::override;
886	},	1309	},
887	);	1310	);
888		1311
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
924	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1317	next unless -r $path;
926	eval {	1318
927	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
928	1	1375	}
929	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
930	}	1381	};
931	}	1382	}
932		1383
933	#############################################################################	1384	#############################################################################
934		1385
		1386	=back
		1387
935	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
936		1389
937	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
938		1391
939	=cut	1392	=cut
…		…
944		1397
945	=head3 cf::player	1398	=head3 cf::player
946		1399
947	=over 4	1400	=over 4
948		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
949	=item cf::player::find $login	1416	=item cf::player::find $login
950		1417
951	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
952		1419
953	=cut	1420	=cut
954		1421
955	sub playerdir($) {	1422	sub playerdir($) {
956	cf::localdir	1423	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1425	}
962		1426
963	sub path($) {	1427	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
995		1459
996	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
997	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
999	}	1469	}
1000	}	1470	}
1001	}	1471	}
1002		1472
…		…
1011	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1012		1482
1013	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1015		1485
		1486	cf::get_slot 0.01;
		1487
1016	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1017	Coro::cede;	1489	cf::cede_to_tick;
1018	}	1490	}
1019		1491
1020	sub new($) {	1492	sub new($) {
1021	my ($login) = @_;	1493	my ($login) = @_;
1022		1494
…		…
1028	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1029		1501
1030	$self	1502	$self
1031	}	1503	}
1032		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1033	=item $pl->quit_character	1515	=item $pl->quit_character
1034		1516
1035	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1037		1519
…		…
1041	my ($pl) = @_;	1523	my ($pl) = @_;
1042		1524
1043	my $name = $pl->ob->name;	1525	my $name = $pl->ob->name;
1044		1526
1045	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1529
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1052		1536
1053	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1085		1569
1086	=cut	1570	=cut
1087		1571
1088	sub list_logins {	1572	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1574	or return [];
1091		1575
1092	my @logins;	1576	my @logins;
1093		1577
1094	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1098		1588
1099	utf8::decode $login;	1589	utf8::decode $login;
1100	push @logins, $login;	1590	push @logins, $login;
1101	}	1591	}
1102		1592
…		…
1129	}	1619	}
1130		1620
1131	\@paths	1621	\@paths
1132	}	1622	}
1133		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
1134	=item $player->ext_reply ($msgid, %msg)	1628	=item $player->ext_reply ($msgid, @msg)
1135		1629
1136	Sends an ext reply to the player.	1630	Sends an ext reply to the player.
1137		1631
1138	=cut	1632	=cut
1139		1633
1140	sub ext_reply($$%) {	1634	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1635	my ($self, $id, @msg) = @_;
1142		1636
1143	$msg{msgid} = $id;	1637	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1638	}
1147		1639
1148	=item $player->ext_event ($type, %msg)	1640	=item $player->ext_msg ($type, @msg)
1149		1641
1150	Sends an ext event to the client.	1642	Sends an ext event to the client.
1151		1643
1152	=cut	1644	=cut
1153		1645
1154	sub ext_event($$%) {	1646	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1647	my ($self, $type, @msg) = @_;
1156		1648
1157	$self->ns->ext_event ($type, %msg);	1649	$self->ns->ext_msg ($type, @msg);
1158	}	1650	}
1159		1651
1160	=head3 cf::region	1652	=head3 cf::region
1161		1653
1162	=over 4	1654	=over 4
…		…
1165		1657
1166	package cf::region;	1658	package cf::region;
1167		1659
1168	=item cf::region::find_by_path $path	1660	=item cf::region::find_by_path $path
1169		1661
1170	Tries to decuce the probable region for a map knowing only its path.	1662	Tries to decuce the likely region for a map knowing only its path.
1171		1663
1172	=cut	1664	=cut
1173		1665
1174	sub find_by_path($) {	1666	sub find_by_path($) {
1175	my ($path) = @_;	1667	my ($path) = @_;
1176		1668
1177	my ($match, $specificity);	1669	my ($match, $specificity);
1178		1670
1179	for my $region (list) {	1671	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1672	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1673	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1674	if $region->specificity > $specificity;
1183	}	1675	}
1184	}	1676	}
1185		1677
…		…
1206	our $MAX_RESET = 3600;	1698	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1699	our $DEFAULT_RESET = 3000;
1208		1700
1209	sub generate_random_map {	1701	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1702	my ($self, $rmp) = @_;
		1703
		1704	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1705
1211	# mit "rum" bekleckern, nicht	1706	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1707	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1708	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1709	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1710	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1744	my ($self, $merge) = @_;
1250		1745
1251	# we have to keep some variables in memory intact	1746	# we have to keep some variables in memory intact
1252	local $self->{path};	1747	local $self->{path};
1253	local $self->{load_path};	1748	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1749
1257	$self->SUPER::thawer_merge ($merge);	1750	$self->SUPER::thawer_merge ($merge);
1258	}	1751	}
1259		1752
1260	sub normalise {	1753	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1800	$self->init; # pass $1 etc.
1308	return $self;	1801	return $self;
1309	}	1802	}
1310	}	1803	}
1311		1804
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1805	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1806	()
1314	}	1807	}
1315		1808
1316	sub init {	1809	sub init {
1317	my ($self) = @_;	1810	my ($self) = @_;
…		…
1332		1825
1333	# the original (read-only) location	1826	# the original (read-only) location
1334	sub load_path {	1827	sub load_path {
1335	my ($self) = @_;	1828	my ($self) = @_;
1336		1829
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1830	"$MAPDIR/$self->{path}.map"
1338	}	1831	}
1339		1832
1340	# the temporary/swap location	1833	# the temporary/swap location
1341	sub save_path {	1834	sub save_path {
1342	my ($self) = @_;	1835	my ($self) = @_;
1343		1836
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1837	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1838	"$TMPDIR/$path.map"
1346	}	1839	}
1347		1840
1348	# the unique path, undef == no special unique path	1841	# the unique path, undef == no special unique path
1349	sub uniq_path {	1842	sub uniq_path {
1350	my ($self) = @_;	1843	my ($self) = @_;
1351		1844
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1845	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1846	"$UNIQUEDIR/$path"
1354	}	1847	}
1355		1848
1356	# and all this just because we cannot iterate over	1849	# and all this just because we cannot iterate over
1357	# all maps in C++...	1850	# all maps in C++...
1358	sub change_all_map_light {	1851	sub change_all_map_light {
…		…
1360		1853
1361	$_->change_map_light ($change)	1854	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1855	for grep $_->outdoor, values %cf::MAP;
1363	}	1856	}
1364		1857
		1858	sub decay_objects {
		1859	my ($self) = @_;
		1860
		1861	return if $self->{deny_reset};
		1862
		1863	$self->do_decay_objects;
		1864	}
		1865
1365	sub unlink_save {	1866	sub unlink_save {
1366	my ($self) = @_;	1867	my ($self) = @_;
1367		1868
1368	utf8::encode (my $save = $self->save_path);	1869	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1870	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1873
1373	sub load_header_from($) {	1874	sub load_header_from($) {
1374	my ($self, $path) = @_;	1875	my ($self, $path) = @_;
1375		1876
1376	utf8::encode $path;	1877	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1878	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1879	or return;
		1880
		1881	$self->_load_header ($f)
		1882	or return;
		1883
		1884	local $MAP_LOADING{$self->{path}} = $self;
		1885	$f->resolve_delayed_derefs;
1382		1886
1383	$self->{load_path} = $path;	1887	$self->{load_path} = $path;
1384		1888
1385	1	1889	1
1386	}	1890	}
…		…
1425	$self->load_header_orig	1929	$self->load_header_orig
1426	or return;	1930	or return;
1427	$self->prepare_orig;	1931	$self->prepare_orig;
1428	}	1932	}
1429		1933
		1934	$self->{deny_reset} = 1
		1935	if $self->no_reset;
		1936
1430	$self->default_region (cf::region::find_by_path $self->{path})	1937	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1938	unless $self->default_region;
1432		1939
1433	1	1940	1
1434	}	1941	}
…		…
1437	sub find {	1944	sub find {
1438	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1439		1946
1440	$path = normalise $path, $origin && $origin->path;	1947	$path = normalise $path, $origin && $origin->path;
1441		1948
		1949	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1950	cf::lock_wait "map_find:$path";
1443		1951
1444	$cf::MAP{$path} || do {	1952	$cf::MAP{$path} || do {
		1953	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445	my $guard = cf::lock_acquire "map_find:$path";	1954	my $guard2 = cf::lock_acquire "map_find:$path";
		1955
1446	my $map = new_from_path cf::map $path	1956	my $map = new_from_path cf::map $path
1447	or return;	1957	or return;
1448		1958
1449	$map->{last_save} = $cf::RUNTIME;	1959	$map->{last_save} = $cf::RUNTIME;
1450		1960
1451	$map->load_header	1961	$map->load_header
1452	or return;	1962	or return;
1453		1963
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1964	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1965	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1966	#$cf::WAIT_FOR_TICK->wait;
		1967	undef $guard2;
		1968	undef $guard1;
1457	$map->reset;	1969	$map->reset;
1458	undef $guard;
1459	return find $path;	1970	return find $path;
1460	}	1971	}
1461		1972
1462	$cf::MAP{$path} = $map	1973	$cf::MAP{$path} = $map
1463	}	1974	}
…		…
1470	my ($self) = @_;	1981	my ($self) = @_;
1471		1982
1472	local $self->{deny_reset} = 1; # loading can take a long time	1983	local $self->{deny_reset} = 1; # loading can take a long time
1473		1984
1474	my $path = $self->{path};	1985	my $path = $self->{path};
		1986
		1987	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1988	my $guard = cf::lock_acquire "map_data:$path";
1476		1989
		1990	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1991	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		1992
1479	$self->in_memory (cf::MAP_LOADING);	1993	$self->in_memory (cf::MAP_LOADING);
1480		1994
1481	$self->alloc;	1995	$self->alloc;
1482		1996
1483	$self->pre_load;	1997	$self->pre_load;
1484	Coro::cede;	1998	cf::cede_to_tick;
1485		1999
1486	$self->_load_objects ($self->{load_path}, 1)	2000	my $f = new_from_file cf::object::thawer $self->{load_path};
		2001	$f->skip_block;
		2002	$self->_load_objects ($f)
1487	or return;	2003	or return;
1488		2004
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2005	$self->post_load_original
1490	if delete $self->{load_original};	2006	if delete $self->{load_original};
1491		2007
1492	if (my $uniq = $self->uniq_path) {	2008	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2009	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2010	unless (aio_stat $uniq) {
		2011	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2012	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2013	$self->_load_objects ($f);
		2014	$f->resolve_delayed_derefs;
		2015	}
1497	}	2016	}
1498	}	2017	}
1499		2018
1500	Coro::cede;	2019	$f->resolve_delayed_derefs;
		2020
		2021	cf::cede_to_tick;
1501	# now do the right thing for maps	2022	# now do the right thing for maps
1502	$self->link_multipart_objects;	2023	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2024	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2025	unless $self->difficulty;
1513	Coro::cede;	2026	cf::cede_to_tick;
		2027
		2028	unless ($self->{deny_activate}) {
		2029	$self->decay_objects;
		2030	$self->fix_auto_apply;
		2031	$self->update_buttons;
		2032	cf::cede_to_tick;
		2033	$self->set_darkness_map;
		2034	cf::cede_to_tick;
1514	$self->activate;	2035	$self->activate;
1515	Coro::cede;	2036	}
		2037
		2038	$self->{last_save} = $cf::RUNTIME;
		2039	$self->last_access ($cf::RUNTIME);
		2040
		2041	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2042	}
1517		2043
1518	$self->post_load;	2044	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2045	}
1523		2046
1524	sub customise_for {	2047	sub customise_for {
1525	my ($self, $ob) = @_;	2048	my ($self, $ob) = @_;
1526		2049
1527	return find "~" . $ob->name . "/" . $self->{path}	2050	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2051	if $self->per_player;
1529		2052
		2053	# return find "?party/" . $ob->name . "/" . $self->{path}
		2054	# if $self->per_party;
		2055
1530	$self	2056	$self
1531	}	2057	}
1532		2058
1533	# find and load all maps in the 3x3 area around a map	2059	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2060	sub load_neighbours {
1535	my ($map) = @_;	2061	my ($map) = @_;
1536		2062
1537	my @diag; # diagonal neighbours	2063	my @neigh; # diagonal neighbours
1538		2064
1539	for (0 .. 3) {	2065	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2066	my $neigh = $map->tile_path ($_)
1541	or next;	2067	or next;
1542	$neigh = find $neigh, $map	2068	$neigh = find $neigh, $map
1543	or next;	2069	or next;
1544	$neigh->load;	2070	$neigh->load;
1545		2071
		2072	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2073	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2074	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2075	}
1549		2076
1550	for (@diag) {	2077	for (grep defined $_->[0], @neigh) {
		2078	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2079	my $neigh = find $path, $origin
1552	or next;	2080	or next;
1553	$neigh->load;	2081	$neigh->load;
1554	}	2082	}
1555	}	2083	}
1556		2084
…		…
1561	}	2089	}
1562		2090
1563	sub do_load_sync {	2091	sub do_load_sync {
1564	my ($map) = @_;	2092	my ($map) = @_;
1565		2093
		2094	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2095	if $Coro::current == $Coro::main;
		2096
1566	cf::sync_job { $map->load };	2097	cf::sync_job { $map->load };
1567	}	2098	}
1568		2099
1569	our %MAP_PREFETCH;	2100	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2101	our $MAP_PREFETCHER = undef;
1571		2102
1572	sub find_async {	2103	sub find_async {
1573	my ($path, $origin) = @_;	2104	my ($path, $origin, $load) = @_;
1574		2105
1575	$path = normalise $path, $origin && $origin->{path};	2106	$path = normalise $path, $origin && $origin->{path};
1576		2107
1577	if (my $map = $cf::MAP{$path}) {	2108	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2109	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2110	}
1580		2111
1581	undef $MAP_PREFETCH{$path};	2112	$MAP_PREFETCH{$path} |= $load;
		2113
1582	$MAP_PREFETCHER ||= cf::async {	2114	$MAP_PREFETCHER ||= cf::async {
		2115	$Coro::current->{desc} = "map prefetcher";
		2116
1583	while (%MAP_PREFETCH) {	2117	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2118	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2119	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2120	$map->load if $v;
		2121	}
1588		2122
1589	delete $MAP_PREFETCH{$path};	2123	delete $MAP_PREFETCH{$k};
1590	}	2124	}
1591	}	2125	}
1592	undef $MAP_PREFETCHER;	2126	undef $MAP_PREFETCHER;
1593	};	2127	};
1594	$MAP_PREFETCHER->prio (6);	2128	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2131	}
1598		2132
1599	sub save {	2133	sub save {
1600	my ($self) = @_;	2134	my ($self) = @_;
1601		2135
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2136	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2137
1604	$self->{last_save} = $cf::RUNTIME;	2138	$self->{last_save} = $cf::RUNTIME;
1605		2139
1606	return unless $self->dirty;	2140	return unless $self->dirty;
1607		2141
…		…
1613	return if $self->{deny_save};	2147	return if $self->{deny_save};
1614		2148
1615	local $self->{last_access} = $self->last_access;#d#	2149	local $self->{last_access} = $self->last_access;#d#
1616		2150
1617	cf::async {	2151	cf::async {
		2152	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2153	$_->contr->save for $self->players;
1619	};	2154	};
		2155
		2156	cf::get_slot 0.02;
1620		2157
1621	if ($uniq) {	2158	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2159	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2160	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2161	} else {
…		…
1630	my ($self) = @_;	2167	my ($self) = @_;
1631		2168
1632	# save first because save cedes	2169	# save first because save cedes
1633	$self->save;	2170	$self->save;
1634		2171
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2173
1637	return if $self->players;	2174	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2175	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2176	return if $self->{deny_save};
1640		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	$self->deactivate;
		2181	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2182	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2183	}
1644		2184
1645	sub reset_at {	2185	sub reset_at {
1646	my ($self) = @_;	2186	my ($self) = @_;
1647		2187
1648	# TODO: safety, remove and allow resettable per-player maps	2188	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2189	return 1e99 if $self->{deny_reset};
1651		2190
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2191	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2192	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2193
…		…
1665	my ($self) = @_;	2204	my ($self) = @_;
1666		2205
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2207
1669	return if $self->players;	2208	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2209
1672	warn "resetting map ", $self->path;#d#	2210	warn "resetting map ", $self->path;
1673		2211
1674	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
1675		2213
1676	# need to save uniques path	2214	# need to save uniques path
1677	unless ($self->{deny_save}) {	2215	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2219	if $uniq;
1682	}	2220	}
1683		2221
1684	delete $cf::MAP{$self->path};	2222	delete $cf::MAP{$self->path};
1685		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2226	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2227
1690	$self->unlink_save;	2228	$self->unlink_save;
1691	$self->destroy;	2229	$self->destroy;
1692	}	2230	}
1693		2231
1694	my $nuke_counter = "aaaa";	2232	my $nuke_counter = "aaaa";
1695		2233
1696	sub nuke {	2234	sub nuke {
1697	my ($self) = @_;	2235	my ($self) = @_;
1698		2236
		2237	{
		2238	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2239
1699	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1700		2241
1701	$self->unlink_save;	2242	$self->unlink_save;
1702		2243
1703	bless $self, "cf::map";	2244	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2245	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2246	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2247	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2248	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2249
1709	$cf::MAP{$self->path} = $self;	2250	$cf::MAP{$self->path} = $self;
		2251	}
1710		2252
1711	$self->reset; # polite request, might not happen	2253	$self->reset; # polite request, might not happen
		2254	}
		2255
		2256	=item $maps = cf::map::tmp_maps
		2257
		2258	Returns an arrayref with all map paths of currently instantiated and saved
		2259	maps. May block.
		2260
		2261	=cut
		2262
		2263	sub tmp_maps() {
		2264	[
		2265	map {
		2266	utf8::decode $_;
		2267	/\.map$/
		2268	? normalise $_
		2269	: ()
		2270	} @{ aio_readdir $TMPDIR or [] }
		2271	]
		2272	}
		2273
		2274	=item $maps = cf::map::random_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	random maps. May block.
		2278
		2279	=cut
		2280
		2281	sub random_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise "?random/$_"
		2287	: ()
		2288	} @{ aio_readdir $RANDOMDIR or [] }
		2289	]
1712	}	2290	}
1713		2291
1714	=item cf::map::unique_maps	2292	=item cf::map::unique_maps
1715		2293
1716	Returns an arrayref of paths of all shared maps that have	2294	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2295	instantiated unique items. May block.
1718		2296
1719	=cut	2297	=cut
1720		2298
1721	sub unique_maps() {	2299	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2300	[
1723	or return;	2301	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2302	utf8::decode $_;
1729	next if /\.pst$/;	2303	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2304	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2305	? ()
1732	push @paths, cf::map::normalise $_;	2306	: normalise $_
		2307	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2308	]
1734
1735	\@paths
1736	}	2309	}
1737
1738	package cf;
1739		2310
1740	=back	2311	=back
1741		2312
1742	=head3 cf::object	2313	=head3 cf::object
1743		2314
…		…
1747		2318
1748	=over 4	2319	=over 4
1749		2320
1750	=item $ob->inv_recursive	2321	=item $ob->inv_recursive
1751		2322
1752	Returns the inventory of the object _and_ their inventories, recursively.	2323	Returns the inventory of the object I<and> their inventories, recursively,
		2324	but I<not> the object itself.
1753		2325
1754	=cut	2326	=cut
1755		2327
1756	sub inv_recursive_;	2328	sub inv_recursive_;
1757	sub inv_recursive_ {	2329	sub inv_recursive_ {
…		…
1760		2332
1761	sub inv_recursive {	2333	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2334	inv_recursive_ inv $_[0]
1763	}	2335	}
1764		2336
		2337	=item $ref = $ob->ref
		2338
		2339	Creates and returns a persistent reference to an object that can be stored as a string.
		2340
		2341	=item $ob = cf::object::deref ($refstring)
		2342
		2343	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2344	even if the object actually exists. May block.
		2345
		2346	=cut
		2347
		2348	sub deref {
		2349	my ($ref) = @_;
		2350
		2351	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2352	my ($uuid, $name) = ($1, $2);
		2353	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2354	or return;
		2355	$pl->ob->uuid eq $uuid
		2356	or return;
		2357
		2358	$pl->ob
		2359	} else {
		2360	warn "$ref: cannot resolve object reference\n";
		2361	undef
		2362	}
		2363	}
		2364
1765	package cf;	2365	package cf;
1766		2366
1767	=back	2367	=back
1768		2368
1769	=head3 cf::object::player	2369	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2375	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2376	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2377	dialogue with the given NPC character.
1778		2378
1779	=cut	2379	=cut
		2380
		2381	our $SAY_CHANNEL = {
		2382	id => "say",
		2383	title => "Map",
		2384	reply => "say ",
		2385	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2386	};
		2387
		2388	our $CHAT_CHANNEL = {
		2389	id => "chat",
		2390	title => "Chat",
		2391	reply => "chat ",
		2392	tooltip => "Player chat and shouts, global to the server.",
		2393	};
1780		2394
1781	# rough implementation of a future "reply" method that works	2395	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2396	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2397	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2398	sub cf::object::player::reply($$$;$) {
…		…
1786		2400
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2401	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2402
1789	if ($self->{record_replies}) {	2403	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2404	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2405
1791	} else {	2406	} else {
		2407	my $pl = $self->contr;
		2408
		2409	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2410	my $dialog = $pl->{npc_dialog};
		2411	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2412
		2413	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2414	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2415	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2416	}
1794	}	2417	}
		2418	}
		2419
		2420	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2421
		2422	=cut
		2423
		2424	sub cf::object::send_msg {
		2425	my $pl = shift->contr
		2426	or return;
		2427	$pl->send_msg (@_);
1795	}	2428	}
1796		2429
1797	=item $player_object->may ("access")	2430	=item $player_object->may ("access")
1798		2431
1799	Returns wether the given player is authorized to access resource "access"	2432	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2479	$self->deactivate_recursive;
1847		2480
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2481	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2482
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2483	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2484	if $self->map && $self->map->{path} ne "{link}";
1852		2485
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2486	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2487	}
1855		2488
1856	sub cf::object::player::leave_link {	2489	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2490	my ($self, $map, $x, $y) = @_;
		2491
		2492	return unless $self->contr->active;
1858		2493
1859	my $link_pos = delete $self->{_link_pos};	2494	my $link_pos = delete $self->{_link_pos};
1860		2495
1861	unless ($map) {	2496	unless ($map) {
1862	# restore original map position	2497	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2511	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2512	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2513	if $x <=0 && $y <= 0;
1879		2514
1880	$map->load;	2515	$map->load;
1881	$map->load_diag;	2516	$map->load_neighbours;
1882		2517
1883	return unless $self->contr->active;	2518	return unless $self->contr->active;
1884	$self->activate_recursive;	2519	$self->activate_recursive;
1885		2520
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2521	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2522	$self->enter_map ($map, $x, $y);
1888	}	2523	}
1889		2524
1890	cf::player->attach (	2525	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2526
1894	# abort map switching before logout	2527	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2528	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2529	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2530	the new (success) or old (failed) map position. In either case, $done will
1898	};	2531	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2532
1904	# try to abort aborted map switching on player login :)	2533	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2534	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2535
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2536	=cut
		2537
		2538	our $GOTOGEN;
1925		2539
1926	sub cf::object::player::goto {	2540	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2541	my ($self, $path, $x, $y, $check, $done) = @_;
		2542
		2543	# do generation counting so two concurrent goto's will be executed in-order
		2544	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2545
1929	$self->enter_link;	2546	$self->enter_link;
1930		2547
1931	(async {	2548	(async {
		2549	$Coro::current->{desc} = "player::goto $path $x $y";
		2550
		2551	# *tag paths override both path and x|y
		2552	if ($path =~ /^\*(.*)$/) {
		2553	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2554	my $ob = $obs[rand @obs];
		2555
		2556	# see if we actually can go there
		2557	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2558	$ob = $obs[rand @obs];
		2559	} else {
		2560	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2561	}
		2562	# else put us there anyways for now #d#
		2563
		2564	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2565	} else {
		2566	($path, $x, $y) = (undef, undef, undef);
		2567	}
		2568	}
		2569
1932	my $map = eval {	2570	my $map = eval {
1933	my $map = cf::map::find $path;	2571	my $map = defined $path ? cf::map::find $path : undef;
		2572
		2573	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2574	$map = $map->customise_for ($self);
		2575	$map = $check->($map) if $check && $map;
		2576	} else {
		2577	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579
1935	$map	2580	$map
		2581	};
		2582
		2583	if ($@) {
		2584	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2586	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2587
		2588	if ($gen == $self->{_goto_generation}) {
		2589	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2590	$self->leave_link ($map, $x, $y);
		2591	}
		2592
		2593	$done->() if $done;
1940	})->prio (1);	2594	})->prio (1);
1941	}	2595	}
1942		2596
1943	=item $player_object->enter_exit ($exit_object)	2597	=item $player_object->enter_exit ($exit_object)
1944		2598
…		…
1964	}	2618	}
1965		2619
1966	sub prepare_random_map {	2620	sub prepare_random_map {
1967	my ($exit) = @_;	2621	my ($exit) = @_;
1968		2622
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2623	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2624	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2625	# that depends on the exit object
1974		2626
1975	my $rmp = parse_random_map_params $exit->msg;	2627	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2629	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2630	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2631	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2632	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2633	$rmp->{origin_y} = $exit->y;
		2634
		2635	$exit->map->touch;
1982	}	2636	}
1983		2637
1984	$rmp->{random_seed} ||= $exit->random_seed;	2638	$rmp->{random_seed} ||= $exit->random_seed;
1985		2639
1986	my $data = cf::to_json $rmp;	2640	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2641	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2642	my $meta = "$RANDOMDIR/$md5.meta";
1989		2643
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2644	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2645	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2646	undef $fh;
1993	aio_rename "$meta~", $meta;	2647	aio_rename "$meta~", $meta;
1994		2648
		2649	my $slaying = "?random/$md5";
		2650
		2651	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2653	$exit->msg (undef);
		2654	}
1997	}	2655	}
1998	}	2656	}
1999		2657
2000	sub cf::object::player::enter_exit {	2658	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2659	my ($self, $exit) = @_;
2002		2660
2003	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
2004		2662
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2663	$self->enter_link;
2017		2664
2018	(async {	2665	(async {
2019	$self->deactivate_recursive; # just to be sure	2666	$Coro::current->{desc} = "enter_exit";
		2667
2020	unless (eval {	2668	unless (eval {
		2669	$self->deactivate_recursive; # just to be sure
		2670
		2671	# random map handling
		2672	{
		2673	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2674
		2675	prepare_random_map $exit
		2676	if $exit->slaying eq "/!";
		2677	}
		2678
		2679	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2680	my $x = $exit->stats->hp;
		2681	my $y = $exit->stats->sp;
		2682
2021	$self->goto ($slaying, $hp, $sp);	2683	$self->goto ($map, $x, $y);
2022		2684
		2685	# if exit is damned, update players death & WoR home-position
		2686	$self->contr->savebed ($map, $x, $y)
		2687	if $exit->flag (cf::FLAG_DAMNED);
		2688
2023	1;	2689	1
2024	}) {	2690	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2691	$self->message ("Something went wrong deep within the crossfire server. "
2026	. "I'll try to bring you back to the map you were before. "	2692	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2693	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2694	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2049		2715
2050	utf8::encode $text;	2716	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2717	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2718	}
2053		2719
		2720	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2721
		2722	Send a drawinfo or msg packet to the client, formatting the msg for the
		2723	client if neccessary. C<$type> should be a string identifying the type of
		2724	the message, with C<log> being the default. If C<$color> is negative, suppress
		2725	the message unless the client supports the msg packet.
		2726
		2727	=cut
		2728
		2729	# non-persistent channels (usually the info channel)
		2730	our %CHANNEL = (
		2731	"c/identify" => {
		2732	id => "infobox",
		2733	title => "Identify",
		2734	reply => undef,
		2735	tooltip => "Items recently identified",
		2736	},
		2737	"c/examine" => {
		2738	id => "infobox",
		2739	title => "Examine",
		2740	reply => undef,
		2741	tooltip => "Signs and other items you examined",
		2742	},
		2743	"c/book" => {
		2744	id => "infobox",
		2745	title => "Book",
		2746	reply => undef,
		2747	tooltip => "The contents of a note or book",
		2748	},
		2749	"c/lookat" => {
		2750	id => "infobox",
		2751	title => "Look",
		2752	reply => undef,
		2753	tooltip => "What you saw there",
		2754	},
		2755	"c/who" => {
		2756	id => "infobox",
		2757	title => "Players",
		2758	reply => undef,
		2759	tooltip => "Shows players who are currently online",
		2760	},
		2761	"c/body" => {
		2762	id => "infobox",
		2763	title => "Body Parts",
		2764	reply => undef,
		2765	tooltip => "Shows which body parts you posess and are available",
		2766	},
		2767	"c/uptime" => {
		2768	id => "infobox",
		2769	title => "Uptime",
		2770	reply => undef,
		2771	tooltip => "How long the server has been running since last restart",
		2772	},
		2773	"c/mapinfo" => {
		2774	id => "infobox",
		2775	title => "Map Info",
		2776	reply => undef,
		2777	tooltip => "Information related to the maps",
		2778	},
		2779	"c/party" => {
		2780	id => "party",
		2781	title => "Party",
		2782	reply => "gsay ",
		2783	tooltip => "Messages and chat related to your party",
		2784	},
		2785	);
		2786
		2787	sub cf::client::send_msg {
		2788	my ($self, $channel, $msg, $color, @extra) = @_;
		2789
		2790	$msg = $self->pl->expand_cfpod ($msg);
		2791
		2792	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2793
		2794	# check predefined channels, for the benefit of C
		2795	if ($CHANNEL{$channel}) {
		2796	$channel = $CHANNEL{$channel};
		2797
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800
		2801	$channel = $channel->{id};
		2802
		2803	} elsif (ref $channel) {
		2804	# send meta info to client, if not yet sent
		2805	unless (exists $self->{channel}{$channel->{id}}) {
		2806	$self->{channel}{$channel->{id}} = $channel;
		2807	$self->ext_msg (channel_info => $channel)
		2808	if $self->can_msg;
		2809	}
		2810
		2811	$channel = $channel->{id};
		2812	}
		2813
		2814	return unless @extra || length $msg;
		2815
		2816	if ($self->can_msg) {
		2817	# default colour, mask it out
		2818	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2819	if $color & cf::NDI_DEF;
		2820
		2821	my $pkt = "msg "
		2822	. $self->{json_coder}->encode (
		2823	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2824	);
		2825
		2826	# try lzf for large packets
		2827	$pkt = "lzf " . Compress::LZF::compress $pkt
		2828	if 1024 <= length $pkt and $self->{can_lzf};
		2829
		2830	# split very large packets
		2831	if (8192 < length $pkt and $self->{can_lzf}) {
		2832	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2833	$pkt = "frag";
		2834	}
		2835
		2836	$self->send_packet ($pkt);
		2837	} else {
		2838	if ($color >= 0) {
		2839	# replace some tags by gcfclient-compatible ones
		2840	for ($msg) {
		2841	1 while
		2842	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2843	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2844	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2845	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2846	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2847	}
		2848
		2849	$color &= cf::NDI_COLOR_MASK;
		2850
		2851	utf8::encode $msg;
		2852
		2853	if (0 && $msg =~ /\[/) {
		2854	# COMMAND/INFO
		2855	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2856	} else {
		2857	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2858	$self->send_packet ("drawinfo $color $msg")
		2859	}
		2860	}
		2861	}
		2862	}
		2863
2054	=item $client->ext_event ($type, %msg)	2864	=item $client->ext_msg ($type, @msg)
2055		2865
2056	Sends an exti event to the client.	2866	Sends an ext event to the client.
2057		2867
2058	=cut	2868	=cut
2059		2869
2060	sub cf::client::ext_event($$%) {	2870	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2871	my ($self, $type, @msg) = @_;
2062		2872
		2873	if ($self->extcmd == 2) {
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2875	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2876	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2877	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2878	}
		2879	}
		2880
		2881	=item $client->ext_reply ($msgid, @msg)
		2882
		2883	Sends an ext reply to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_reply($$@) {
		2888	my ($self, $id, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2892	} elsif ($self->extcmd == 1) {
		2893	#TODO: version 1, remove
		2894	unshift @msg, msgtype => "reply", msgid => $id;
		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2896	}
2065	}	2897	}
2066		2898
2067	=item $success = $client->query ($flags, "text", \&cb)	2899	=item $success = $client->query ($flags, "text", \&cb)
2068		2900
2069	Queues a query to the client, calling the given callback with	2901	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2902	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2903	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2904
2073	Queries can fail, so check the return code. Or don't, as queries will become	2905	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2906	become reliable at some point in the future.
2075		2907
2076	=cut	2908	=cut
2077		2909
2078	sub cf::client::query {	2910	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2911	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2919	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2920	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2921
2090	$self->send_packet ($self->{query_queue}[0][0])	2922	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2923	if @{ $self->{query_queue} } == 1;
		2924
		2925	1
2092	}	2926	}
2093		2927
2094	cf::client->attach (	2928	cf::client->attach (
		2929	on_connect => sub {
		2930	my ($ns) = @_;
		2931
		2932	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2933	},
2095	on_reply => sub {	2934	on_reply => sub {
2096	my ($ns, $msg) = @_;	2935	my ($ns, $msg) = @_;
2097		2936
2098	# this weird shuffling is so that direct followup queries	2937	# this weird shuffling is so that direct followup queries
2099	# get handled first	2938	# get handled first
…		…
2111	} else {	2950	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2951	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2952	}
2114	}	2953	}
2115	},	2954	},
		2955	on_exticmd => sub {
		2956	my ($ns, $buf) = @_;
		2957
		2958	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2959
		2960	if (ref $msg) {
		2961	my ($type, $reply, @payload) =
		2962	"ARRAY" eq ref $msg
		2963	? @$msg
		2964	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2965
		2966	my @reply;
		2967
		2968	if (my $cb = $EXTICMD{$type}) {
		2969	@reply = $cb->($ns, @payload);
		2970	}
		2971
		2972	$ns->ext_reply ($reply, @reply)
		2973	if $reply;
		2974
		2975	} else {
		2976	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2977	}
		2978
		2979	cf::override;
		2980	},
2116	);	2981	);
2117		2982
2118	=item $client->async (\&cb)	2983	=item $client->async (\&cb)
2119		2984
2120	Create a new coroutine, running the specified callback. The coroutine will	2985	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3026	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3027	our $safe_hole = new Safe::Hole;
2163		3028
2164	$SIG{FPE} = 'IGNORE';	3029	$SIG{FPE} = 'IGNORE';
2165		3030
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3031	$safe->permit_only (Opcode::opset qw(
		3032	:base_core :base_mem :base_orig :base_math
		3033	grepstart grepwhile mapstart mapwhile
		3034	sort time
		3035	));
2167		3036
2168	# here we export the classes and methods available to script code	3037	# here we export the classes and methods available to script code
2169		3038
2170	=pod	3039	=pod
2171		3040
2172	The following functions and methods are available within a safe environment:	3041	The following functions and methods are available within a safe environment:
2173		3042
2174	cf::object contr pay_amount pay_player map	3043	cf::object
		3044	contr pay_amount pay_player map x y force_find force_add destroy
		3045	insert remove name archname title slaying race decrease split
		3046
2175	cf::object::player player	3047	cf::object::player
2176	cf::player peaceful	3048	player
2177	cf::map trigger	3049
		3050	cf::player
		3051	peaceful
		3052
		3053	cf::map
		3054	trigger
2178		3055
2179	=cut	3056	=cut
2180		3057
2181	for (	3058	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3059	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3060	insert remove inv nrof name archname title slaying race
		3061	decrease split destroy change_exp)],
2183	["cf::object::player" => qw(player)],	3062	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3063	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3064	["cf::map" => qw(trigger)],
2186	) {	3065	) {
2187	no strict 'refs';	3066	no strict 'refs';
…		…
2258	=back	3137	=back
2259		3138
2260	=cut	3139	=cut
2261		3140
2262	#############################################################################	3141	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3142	# the server's init and main functions
2336		3143
2337	sub load_facedata($) {	3144	sub load_facedata($) {
2338	my ($path) = @_;	3145	my ($path) = @_;
		3146
		3147	# HACK to clear player env face cache, we need some signal framework
		3148	# for this (global event?)
		3149	%ext::player_env::MUSIC_FACE_CACHE = ();
		3150
		3151	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3152
2340	warn "loading facedata from $path\n";	3153	warn "loading facedata from $path\n";
2341		3154
2342	my $facedata;	3155	my $facedata;
2343	0 < aio_load $path, $facedata	3156	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3159	$facedata = Coro::Storable::thaw $facedata;
2347		3160
2348	$facedata->{version} == 2	3161	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3162	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3163
		3164	# patch in the exptable
		3165	$facedata->{resource}{"res/exp_table"} = {
		3166	type => FT_RSRC,
		3167	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3168	};
		3169	cf::cede_to_tick;
		3170
2351	{	3171	{
2352	my $faces = $facedata->{faceinfo};	3172	my $faces = $facedata->{faceinfo};
2353		3173
2354	while (my ($face, $info) = each %$faces) {	3174	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3175	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3176
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3177	cf::face::set_visibility $idx, $info->{visibility};
		3178	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3179	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3180	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3181
		3182	cf::cede_to_tick;
2360	}	3183	}
2361		3184
2362	while (my ($face, $info) = each %$faces) {	3185	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3186	next unless $info->{smooth};
		3187
2364	my $idx = cf::face::find $face	3188	my $idx = cf::face::find $face
2365	or next;	3189	or next;
		3190
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3191	if (my $smooth = cf::face::find $info->{smooth}) {
		3192	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3193	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3194	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3195	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3196	}
2371	Coro::cede;	3197
		3198	cf::cede_to_tick;
2372	}	3199	}
2373	}	3200	}
2374		3201
2375	{	3202	{
2376	my $anims = $facedata->{animinfo};	3203	my $anims = $facedata->{animinfo};
2377		3204
2378	while (my ($anim, $info) = each %$anims) {	3205	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3206	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3207	cf::cede_to_tick;
2381	}	3208	}
2382		3209
2383	cf::anim::invalidate_all; # d'oh	3210	cf::anim::invalidate_all; # d'oh
2384	}	3211	}
2385		3212
		3213	{
		3214	# TODO: for gcfclient pleasure, we should give resources
		3215	# that gcfclient doesn't grok a >10000 face index.
		3216	my $res = $facedata->{resource};
		3217
		3218	while (my ($name, $info) = each %$res) {
		3219	if (defined $info->{type}) {
		3220	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3221	my $data;
		3222
		3223	if ($info->{type} & 1) {
		3224	# prepend meta info
		3225
		3226	my $meta = $enc->encode ({
		3227	name => $name,
		3228	%{ $info->{meta} || {} },
		3229	});
		3230
		3231	$data = pack "(w/a*)*", $meta, $info->{data};
		3232	} else {
		3233	$data = $info->{data};
		3234	}
		3235
		3236	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3237	cf::face::set_type $idx, $info->{type};
		3238	} else {
		3239	$RESOURCE{$name} = $info;
		3240	}
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244	}
		3245
		3246	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3247
2386	1	3248	1
2387	}	3249	}
2388		3250
		3251	cf::global->attach (on_resource_update => sub {
		3252	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3253	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3254
		3255	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3256	my $sound = $soundconf->{compat}[$_]
		3257	or next;
		3258
		3259	my $face = cf::face::find "sound/$sound->[1]";
		3260	cf::sound::set $sound->[0] => $face;
		3261	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3262	}
		3263
		3264	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3265	my $face = cf::face::find "sound/$v";
		3266	cf::sound::set $k => $face;
		3267	}
		3268	}
		3269	});
		3270
		3271	register_exticmd fx_want => sub {
		3272	my ($ns, $want) = @_;
		3273
		3274	while (my ($k, $v) = each %$want) {
		3275	$ns->fx_want ($k, $v);
		3276	}
		3277	};
		3278
		3279	sub load_resource_file($) {
		3280	my $guard = lock_acquire "load_resource_file";
		3281
		3282	my $status = load_resource_file_ $_[0];
		3283	get_slot 0.1, 100;
		3284	cf::arch::commit_load;
		3285
		3286	$status
		3287	}
		3288
		3289	sub reload_regions {
		3290	# HACK to clear player env face cache, we need some signal framework
		3291	# for this (global event?)
		3292	%ext::player_env::MUSIC_FACE_CACHE = ();
		3293
		3294	load_resource_file "$MAPDIR/regions"
		3295	or die "unable to load regions file\n";
		3296
		3297	for (cf::region::list) {
		3298	$_->{match} = qr/$_->{match}/
		3299	if exists $_->{match};
		3300	}
		3301	}
		3302
2389	sub reload_facedata {	3303	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3304	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3305	or die "unable to load facedata\n";
2392	}	3306	}
2393		3307
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3308	sub reload_archetypes {
2400	load_archetype_file sprintf "%s/archetypes", cf::datadir	3309	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3310	or die "unable to load archetypes\n";
2402	}	3311	}
2403		3312
2404	sub reload_treasures {	3313	sub reload_treasures {
2405	load_treasure_file sprintf "%s/treasures", cf::datadir	3314	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3315	or die "unable to load treasurelists\n";
2407	}	3316	}
2408		3317
2409	sub reload_resources {	3318	sub reload_resources {
2410	warn "reloading resource files...\n";	3319	warn "reloading resource files...\n";
2411		3320
2412	reload_regions;
2413	reload_facedata;	3321	reload_facedata;
2414	reload_archetypes;	3322	reload_archetypes;
		3323	reload_regions;
2415	reload_treasures;	3324	reload_treasures;
2416		3325
2417	warn "finished reloading resource files\n";	3326	warn "finished reloading resource files\n";
2418	}	3327	}
2419		3328
2420	sub init {	3329	sub init {
		3330	my $guard = freeze_mainloop;
		3331
		3332	evthread_start IO::AIO::poll_fileno;
		3333
2421	reload_resources;	3334	reload_resources;
2422	}	3335	}
2423		3336
2424	sub cfg_load {	3337	sub reload_config {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3338	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	3339	or return;
2427		3340
2428	local $/;	3341	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	3342	*CFG = YAML::Load <$fh>;
2430		3343
2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3344	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2432		3345
2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3346	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3347	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2445	sub main {	3358	sub main {
2446	# we must not ever block the main coroutine	3359	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3360	local $Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3361	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3362	(async {
2450	Event::one_event;	3363	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3364	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3365	})->prio (Coro::PRIO_MAX);
2452	};	3366	};
2453		3367
2454	cfg_load;	3368	{
		3369	my $guard = freeze_mainloop;
		3370	reload_config;
2455	db_init;	3371	db_init;
2456	load_extensions;	3372	load_extensions;
2457		3373
2458	$TICK_WATCHER->start;	3374	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3375	}
		3376
2459	Event::loop;	3377	EV::loop;
2460	}	3378	}
2461		3379
2462	#############################################################################	3380	#############################################################################
2463	# initialisation and cleanup	3381	# initialisation and cleanup
2464		3382
2465	# install some emergency cleanup handlers	3383	# install some emergency cleanup handlers
2466	BEGIN {	3384	BEGIN {
		3385	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3386	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3387	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2469	reentrant => 0,
2470	data => WF_AUTOCANCEL,
2471	signal => $signal,
2472	prio => 0,
2473	cb => sub {
2474	cf::cleanup "SIG$signal";	3388	cf::cleanup "SIG$signal";
2475	},
2476	);	3389	};
		3390	}
		3391	}
		3392
		3393	sub write_runtime_sync {
		3394	my $runtime = "$LOCALDIR/runtime";
		3395
		3396	# first touch the runtime file to show we are still running:
		3397	# the fsync below can take a very very long time.
		3398
		3399	IO::AIO::aio_utime $runtime, undef, undef;
		3400
		3401	my $guard = cf::lock_acquire "write_runtime";
		3402
		3403	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3404	or return;
		3405
		3406	my $value = $cf::RUNTIME + 90 + 10;
		3407	# 10 is the runtime save interval, for a monotonic clock
		3408	# 60 allows for the watchdog to kill the server.
		3409
		3410	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3411	and return;
		3412
		3413	# always fsync - this file is important
		3414	aio_fsync $fh
		3415	and return;
		3416
		3417	# touch it again to show we are up-to-date
		3418	aio_utime $fh, undef, undef;
		3419
		3420	close $fh
		3421	or return;
		3422
		3423	aio_rename "$runtime~", $runtime
		3424	and return;
		3425
		3426	warn "runtime file written.\n";
		3427
2477	}	3428	1
		3429	}
		3430
		3431	our $uuid_lock;
		3432	our $uuid_skip;
		3433
		3434	sub write_uuid_sync($) {
		3435	$uuid_skip ||= $_[0];
		3436
		3437	return if $uuid_lock;
		3438	local $uuid_lock = 1;
		3439
		3440	my $uuid = "$LOCALDIR/uuid";
		3441
		3442	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3443	or return;
		3444
		3445	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3446	$uuid_skip = 0;
		3447
		3448	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3449	and return;
		3450
		3451	# always fsync - this file is important
		3452	aio_fsync $fh
		3453	and return;
		3454
		3455	close $fh
		3456	or return;
		3457
		3458	aio_rename "$uuid~", $uuid
		3459	and return;
		3460
		3461	warn "uuid file written ($value).\n";
		3462
		3463	1
		3464
		3465	}
		3466
		3467	sub write_uuid($$) {
		3468	my ($skip, $sync) = @_;
		3469
		3470	$sync ? write_uuid_sync $skip
		3471	: async { write_uuid_sync $skip };
2478	}	3472	}
2479		3473
2480	sub emergency_save() {	3474	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3475	my $freeze_guard = cf::freeze_mainloop;
2482		3476
…		…
2488	# and maps saved/destroyed asynchronously.	3482	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3483	warn "begin emergency player save\n";
2490	for my $login (keys %cf::PLAYER) {	3484	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3485	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3486	$pl->valid or next;
		3487	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3488	$pl->save;
2494	}	3489	}
2495	warn "end emergency player save\n";	3490	warn "end emergency player save\n";
2496		3491
2497	warn "begin emergency map save\n";	3492	warn "begin emergency map save\n";
…		…
2503	warn "end emergency map save\n";	3498	warn "end emergency map save\n";
2504		3499
2505	warn "begin emergency database checkpoint\n";	3500	warn "begin emergency database checkpoint\n";
2506	BDB::db_env_txn_checkpoint $DB_ENV;	3501	BDB::db_env_txn_checkpoint $DB_ENV;
2507	warn "end emergency database checkpoint\n";	3502	warn "end emergency database checkpoint\n";
		3503
		3504	warn "begin write uuid\n";
		3505	write_uuid_sync 1;
		3506	warn "end write uuid\n";
2508	};	3507	};
2509		3508
2510	warn "leave emergency perl save\n";	3509	warn "leave emergency perl save\n";
2511	}	3510	}
2512		3511
…		…
2514	my ($make_core) = @_;	3513	my ($make_core) = @_;
2515		3514
2516	warn Carp::longmess "post_cleanup backtrace"	3515	warn Carp::longmess "post_cleanup backtrace"
2517	if $make_core;	3516	if $make_core;
2518	}	3517	}
		3518
		3519	# a safer delete_package, copied from Symbol
		3520	sub clear_package($) {
		3521	my $pkg = shift;
		3522
		3523	# expand to full symbol table name if needed
		3524	unless ($pkg =~ /^main::.*::$/) {
		3525	$pkg = "main$pkg" if $pkg =~ /^::/;
		3526	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3527	$pkg .= '::' unless $pkg =~ /::$/;
		3528	}
		3529
		3530	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3531	my $stem_symtab = *{$stem}{HASH};
		3532
		3533	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3534	or return;
		3535
		3536	# clear all symbols
		3537	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3538	for my $name (keys %$leaf_symtab) {
		3539	_gv_clear *{"$pkg$name"};
		3540	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3541	}
		3542	warn "cleared package #$pkg\n";#d#
		3543	}
		3544
		3545	our $RELOAD; # how many times to reload
2519		3546
2520	sub do_reload_perl() {	3547	sub do_reload_perl() {
2521	# can/must only be called in main	3548	# can/must only be called in main
2522	if ($Coro::current != $Coro::main) {	3549	if ($Coro::current != $Coro::main) {
2523	warn "can only reload from main coroutine";	3550	warn "can only reload from main coroutine";
2524	return;	3551	return;
2525	}	3552	}
2526		3553
		3554	return if $RELOAD++;
		3555
		3556	while ($RELOAD) {
2527	warn "reloading...";	3557	warn "reloading...";
2528		3558
2529	warn "entering sync_job";	3559	warn "entering sync_job";
2530		3560
2531	cf::sync_job {	3561	cf::sync_job {
2532	cf::write_runtime; # external watchdog should not bark	3562	cf::write_runtime_sync; # external watchdog should not bark
2533	cf::emergency_save;	3563	cf::emergency_save;
2534	cf::write_runtime; # external watchdog should not bark	3564	cf::write_runtime_sync; # external watchdog should not bark
2535		3565
2536	warn "syncing database to disk";	3566	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;	3567	BDB::db_env_txn_checkpoint $DB_ENV;
2538		3568
2539	# if anything goes wrong in here, we should simply crash as we already saved	3569	# if anything goes wrong in here, we should simply crash as we already saved
2540		3570
2541	warn "cancelling all WF_AUTOCANCEL watchers";
2542	for (Event::all_watchers) {
2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2544	}
2545
2546	warn "flushing outstanding aio requests";	3571	warn "flushing outstanding aio requests";
2547	for (;;) {
2548	BDB::flush;
2549	IO::AIO::flush;
2550	Coro::cede;
2551	last unless IO::AIO::nreqs || BDB::nreqs;	3572	while (IO::AIO::nreqs || BDB::nreqs) {
2552	warn "iterate...";	3573	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2553	}
2554
2555	++$RELOAD;
2556
2557	warn "cancelling all extension coros";
2558	$_->cancel for values %EXT_CORO;
2559	%EXT_CORO = ();
2560
2561	warn "removing commands";
2562	%COMMAND = ();
2563
2564	warn "removing ext commands";
2565	%EXTCMD = ();
2566
2567	warn "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";
2570
2571	if (my $cb = $pkg->can ("unload")) {
2572	eval {
2573	$cb->($pkg);
2574	1
2575	} or warn "$pkg unloaded, but with errors: $@";
2576	}	3574	}
2577		3575
2578	warn "... nuking $pkg";	3576	warn "cancelling all extension coros";
2579	Symbol::delete_package $pkg;	3577	$_->cancel for values %EXT_CORO;
2580	}	3578	%EXT_CORO = ();
2581		3579
2582	warn "unloading all perl modules loaded from $LIBDIR";	3580	warn "removing commands";
2583	while (my ($k, $v) = each %INC) {	3581	%COMMAND = ();
2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2585		3582
		3583	warn "removing ext/exti commands";
		3584	%EXTCMD = ();
		3585	%EXTICMD = ();
		3586
		3587	warn "unloading/nuking all extensions";
		3588	for my $pkg (@EXTS) {
2586	warn "... unloading $k";	3589	warn "... unloading $pkg";
2587	delete $INC{$k};
2588		3590
2589	$k =~ s/\.pm$//;
2590	$k =~ s/\//::/g;
2591
2592	if (my $cb = $k->can ("unload_module")) {	3591	if (my $cb = $pkg->can ("unload")) {
		3592	eval {
2593	$cb->();	3593	$cb->($pkg);
		3594	1
		3595	} or warn "$pkg unloaded, but with errors: $@";
		3596	}
		3597
		3598	warn "... clearing $pkg";
		3599	clear_package $pkg;
2594	}	3600	}
2595		3601
2596	Symbol::delete_package $k;	3602	warn "unloading all perl modules loaded from $LIBDIR";
		3603	while (my ($k, $v) = each %INC) {
		3604	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3605
		3606	warn "... unloading $k";
		3607	delete $INC{$k};
		3608
		3609	$k =~ s/\.pm$//;
		3610	$k =~ s/\//::/g;
		3611
		3612	if (my $cb = $k->can ("unload_module")) {
		3613	$cb->();
		3614	}
		3615
		3616	clear_package $k;
2597	}	3617	}
2598		3618
2599	warn "getting rid of safe::, as good as possible";	3619	warn "getting rid of safe::, as good as possible";
2600	Symbol::delete_package "safe::$_"	3620	clear_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3621	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3622
2603	warn "unloading cf.pm \"a bit\"";	3623	warn "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3624	delete $INC{"cf.pm"};
		3625	delete $INC{"cf/pod.pm"};
2605		3626
2606	# don't, removes xs symbols, too,	3627	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3628	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3629	#clear_package __PACKAGE__;
2609		3630
2610	warn "unload completed, starting to reload now";	3631	warn "unload completed, starting to reload now";
2611		3632
2612	warn "reloading cf.pm";	3633	warn "reloading cf.pm";
2613	require cf;	3634	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3635	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2615		3636
2616	warn "loading config and database again";	3637	warn "loading config and database again";
2617	cf::cfg_load;	3638	cf::reload_config;
2618		3639
2619	warn "loading extensions";	3640	warn "loading extensions";
2620	cf::load_extensions;	3641	cf::load_extensions;
2621		3642
2622	warn "reattaching attachments to objects/players";	3643	warn "reattaching attachments to objects/players";
2623	_global_reattach; # objects, sockets	3644	_global_reattach; # objects, sockets
2624	warn "reattaching attachments to maps";	3645	warn "reattaching attachments to maps";
2625	reattach $_ for values %MAP;	3646	reattach $_ for values %MAP;
2626	warn "reattaching attachments to players";	3647	warn "reattaching attachments to players";
2627	reattach $_ for values %PLAYER;	3648	reattach $_ for values %PLAYER;
2628		3649
2629	warn "leaving sync_job";	3650	warn "leaving sync_job";
2630		3651
2631	1	3652	1
2632	} or do {	3653	} or do {
2633	warn $@;	3654	warn $@;
2634	warn "error while reloading, exiting.";	3655	cf::cleanup "error while reloading, exiting.";
2635	exit 1;
2636	};	3656	};
2637		3657
2638	warn "reloaded";	3658	warn "reloaded";
		3659	--$RELOAD;
		3660	}
2639	};	3661	};
2640		3662
2641	our $RELOAD_WATCHER; # used only during reload	3663	our $RELOAD_WATCHER; # used only during reload
2642		3664
2643	sub reload_perl() {	3665	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	3666	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	3667	# coro crashes during coro_state_free->destroy here.
2646		3668
2647	$RELOAD_WATCHER ||= Event->timer (	3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2648	reentrant => 0,
2649	after => 0,
2650	data => WF_AUTOCANCEL,
2651	cb => sub {
2652	do_reload_perl;	3670	do_reload_perl;
2653	undef $RELOAD_WATCHER;	3671	undef $RELOAD_WATCHER;
2654	},
2655	);	3672	};
2656	}	3673	}
2657		3674
2658	register_command "reload" => sub {	3675	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2660		3677
2661	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	3682	reload_perl;
		3683	};
2664	}	3684	}
2665	};	3685	};
2666		3686
2667	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2668		3688
…		…
2670		3690
2671	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
2672	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
2673		3693
2674	sub wait_for_tick {	3694	sub wait_for_tick {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	3695	return if tick_inhibit || $Coro::current == $Coro::main;
2677		3696
2678	my $signal = new Coro::Signal;	3697	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK, $signal;	3698	push @WAIT_FOR_TICK, $signal;
2680	$signal->wait;	3699	$signal->wait;
2681	}	3700	}
2682		3701
2683	sub wait_for_tick_begin {	3702	sub wait_for_tick_begin {
2684	return unless $TICK_WATCHER->is_active;
2685	return if $Coro::current == $Coro::main;	3703	return if tick_inhibit || $Coro::current == $Coro::main;
2686		3704
2687	my $signal = new Coro::Signal;	3705	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	3706	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	3707	$signal->wait;
2690	}	3708	}
2691		3709
2692	$TICK_WATCHER = Event->timer (	3710	sub tick {
2693	reentrant => 0,
2694	parked => 1,
2695	prio => 0,
2696	at => $NEXT_TICK || $TICK,
2697	data => WF_AUTOCANCEL,
2698	cb => sub {
2699	if ($Coro::current != $Coro::main) {	3711	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3712	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	3713	unless ++$bug_warning > 10;
2702	return;	3714	return;
2703	}	3715	}
2704		3716
2705	$NOW = Event::time;
2706
2707	cf::server_tick; # one server iteration	3717	cf::server_tick; # one server iteration
2708		3718
2709	$RUNTIME += $TICK;
2710	$NEXT_TICK += $TICK;
2711
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3719	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	3720	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	3721	Coro::async_pool {
		3722	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	3723	write_runtime_sync
2716	or warn "ERROR: unable to write runtime file: $!";	3724	or warn "ERROR: unable to write runtime file: $!";
2717	};
2718	}	3725	};
		3726	}
2719		3727
2720	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#
2722
2723	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2725
2726	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;
2728
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3728	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	3729	$sig->send;
2731	}	3730	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {	3731	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;	3732	$sig->send;
2734	}
2735
2736	_post_tick;
2737	},	3733	}
2738	);	3734
		3735	$LOAD = ($NOW - $TICK_START) / $TICK;
		3736	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3737
		3738	if (0) {
		3739	if ($NEXT_TICK) {
		3740	my $jitter = $TICK_START - $NEXT_TICK;
		3741	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3742	warn "jitter $JITTER\n";#d#
		3743	}
		3744	}
		3745	}
2739		3746
2740	{	3747	{
2741	BDB::max_poll_time $TICK * 0.1;	3748	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	3749
2743	reentrant => 0,
2744	fd => BDB::poll_fileno,
2745	poll => 'r',
2746	prio => 0,
2747	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,
2749	);
2750	BDB::min_parallel 8;	3750	BDB::min_parallel 8;
2751		3751	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	3752	$AnyEvent::BDB::WATCHER->priority (1);
2753	my $status;
2754	my $current = $Coro::current;
2755	(
2756	sub {
2757	$status = $!;
2758	$current->ready; undef $current;
2759	},
2760	sub {
2761	Coro::schedule while defined $current;
2762	$! = $status;
2763	},
2764	)
2765	};
2766		3753
2767	unless ($DB_ENV) {	3754	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	3755	$DB_ENV = BDB::db_env_create;
		3756	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3757	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3758	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3759	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3760	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		3761
2770	cf::sync_job {	3762	cf::sync_job {
2771	eval {	3763	eval {
2772	BDB::db_env_open	3764	BDB::db_env_open
2773	$DB_ENV,	3765	$DB_ENV,
2774	$BDB_ENV_DIR,	3766	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3767	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3768	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	3769	0666;
2778		3770
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3771	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	3772	};
2784		3773
2785	cf::cleanup "db_env_open(db): $@" if $@;	3774	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	3775	};
2787	}	3776	}
		3777
		3778	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3779	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3780	};
		3781	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3782	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3783	};
		3784	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3785	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3786	};
2788	}	3787	}
2789		3788
2790	{	3789	{
		3790	# configure IO::AIO
		3791
2791	IO::AIO::min_parallel 8;	3792	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	3793	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	3794	undef $AnyEvent::AIO::WATCHER;
2796	reentrant => 0,
2797	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,
2799	poll => 'r',
2800	prio => 6,
2801	cb => \&IO::AIO::poll_cb,
2802	);
2803	}	3795	}
		3796
		3797	my $_log_backtrace;
		3798
		3799	sub _log_backtrace {
		3800	my ($msg, @addr) = @_;
		3801
		3802	$msg =~ s/\n//;
		3803
		3804	# limit the # of concurrent backtraces
		3805	if ($_log_backtrace < 2) {
		3806	++$_log_backtrace;
		3807	async {
		3808	$Coro::current->{desc} = "abt $msg";
		3809
		3810	my @bt = fork_call {
		3811	@addr = map { sprintf "%x", $_ } @addr;
		3812	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3813	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3814	or die "addr2line: $!";
		3815
		3816	my @funcs;
		3817	my @res = <$fh>;
		3818	chomp for @res;
		3819	while (@res) {
		3820	my ($func, $line) = splice @res, 0, 2, ();
		3821	push @funcs, "[$func] $line";
		3822	}
		3823
		3824	@funcs
		3825	};
		3826
		3827	LOG llevInfo, "[ABT] $msg\n";
		3828	LOG llevInfo, "[ABT] $_\n" for @bt;
		3829	--$_log_backtrace;
		3830	};
		3831	} else {
		3832	LOG llevInfo, "[ABT] $msg\n";
		3833	LOG llevInfo, "[ABT] [suppressed]\n";
		3834	}
		3835	}
		3836
		3837	# load additional modules
		3838	use cf::pod;
2804		3839
2805	END { cf::emergency_save }	3840	END { cf::emergency_save }
2806		3841
2807	1	3842	1
2808		3843

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