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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.441 by root, Sat Aug 30 05:19:03 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
…		…
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 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
		1628	=cut
		1629
		1630	use re 'eval';
		1631
		1632	my $group;
		1633	my $interior; $interior = qr{
		1634	# match a pod interior sequence sans C<< >>
		1635	(?:
		1636	\ (.*?)\ (?{ $group = $^N })
		1637	| < (??{$interior}) >
		1638	)
		1639	}x;
		1640
		1641	sub expand_cfpod {
		1642	my ($self, $pod) = @_;
		1643
		1644	my $xml;
		1645
		1646	while () {
		1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1648	$group = $1;
		1649
		1650	$group =~ s/&/&amp;/g;
		1651	$group =~ s/</&lt;/g;
		1652
		1653	$xml .= $group;
		1654	} elsif ($pod =~ m%\G
		1655	([BCGHITU])
		1656	<
		1657	(?:
		1658	([^<>]*) (?{ $group = $^N })
		1659	| < $interior >
		1660	)
		1661	>
		1662	%gcsx
		1663	) {
		1664	my ($code, $data) = ($1, $group);
		1665
		1666	if ($code eq "B") {
		1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1668	} elsif ($code eq "I") {
		1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1670	} elsif ($code eq "U") {
		1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1672	} elsif ($code eq "C") {
		1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1674	} elsif ($code eq "T") {
		1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1676	} elsif ($code eq "G") {
		1677	my ($male, $female) = split /\|/, $data;
		1678	$data = $self->gender ? $female : $male;
		1679	$xml .= expand_cfpod ($self, $data);
		1680	} elsif ($code eq "H") {
		1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1683	"")
		1684	[$self->{hintmode}];
		1685	} else {
		1686	$xml .= "error processing '$code($data)' directive";
		1687	}
		1688	} else {
		1689	if ($pod =~ /\G(.+)/) {
		1690	warn "parse error while expanding $pod (at $1)";
		1691	}
		1692	last;
		1693	}
		1694	}
		1695
		1696	for ($xml) {
		1697	# create single paragraphs (very hackish)
		1698	s/(?<=\S)\n(?=\w)/ /g;
		1699
		1700	# compress some whitespace
		1701	s/\s+\n/\n/g; # ws line-ends
		1702	s/\n\n+/\n/g; # double lines
		1703	s/^\n+//; # beginning lines
		1704	s/\n+$//; # ending lines
		1705	}
		1706
		1707	$xml
		1708	}
		1709
		1710	no re 'eval';
		1711
		1712	sub hintmode {
		1713	$_[0]{hintmode} = $_[1] if @_ > 1;
		1714	$_[0]{hintmode}
		1715	}
		1716
1134	=item $player->ext_reply ($msgid, %msg)	1717	=item $player->ext_reply ($msgid, @msg)
1135		1718
1136	Sends an ext reply to the player.	1719	Sends an ext reply to the player.
1137		1720
1138	=cut	1721	=cut
1139		1722
1140	sub ext_reply($$%) {	1723	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1724	my ($self, $id, @msg) = @_;
1142		1725
1143	$msg{msgid} = $id;	1726	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1727	}
1147		1728
1148	=item $player->ext_event ($type, %msg)	1729	=item $player->ext_msg ($type, @msg)
1149		1730
1150	Sends an ext event to the client.	1731	Sends an ext event to the client.
1151		1732
1152	=cut	1733	=cut
1153		1734
1154	sub ext_event($$%) {	1735	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1736	my ($self, $type, @msg) = @_;
1156		1737
1157	$self->ns->ext_event ($type, %msg);	1738	$self->ns->ext_msg ($type, @msg);
1158	}	1739	}
1159		1740
1160	=head3 cf::region	1741	=head3 cf::region
1161		1742
1162	=over 4	1743	=over 4
…		…
1165		1746
1166	package cf::region;	1747	package cf::region;
1167		1748
1168	=item cf::region::find_by_path $path	1749	=item cf::region::find_by_path $path
1169		1750
1170	Tries to decuce the probable region for a map knowing only its path.	1751	Tries to decuce the likely region for a map knowing only its path.
1171		1752
1172	=cut	1753	=cut
1173		1754
1174	sub find_by_path($) {	1755	sub find_by_path($) {
1175	my ($path) = @_;	1756	my ($path) = @_;
1176		1757
1177	my ($match, $specificity);	1758	my ($match, $specificity);
1178		1759
1179	for my $region (list) {	1760	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1761	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1762	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1763	if $region->specificity > $specificity;
1183	}	1764	}
1184	}	1765	}
1185		1766
…		…
1206	our $MAX_RESET = 3600;	1787	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1788	our $DEFAULT_RESET = 3000;
1208		1789
1209	sub generate_random_map {	1790	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1791	my ($self, $rmp) = @_;
		1792
		1793	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1794
1211	# mit "rum" bekleckern, nicht	1795	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1796	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1833	my ($self, $merge) = @_;
1250		1834
1251	# we have to keep some variables in memory intact	1835	# we have to keep some variables in memory intact
1252	local $self->{path};	1836	local $self->{path};
1253	local $self->{load_path};	1837	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1838
1257	$self->SUPER::thawer_merge ($merge);	1839	$self->SUPER::thawer_merge ($merge);
1258	}	1840	}
1259		1841
1260	sub normalise {	1842	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1889	$self->init; # pass $1 etc.
1308	return $self;	1890	return $self;
1309	}	1891	}
1310	}	1892	}
1311		1893
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1894	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1895	()
1314	}	1896	}
1315		1897
1316	sub init {	1898	sub init {
1317	my ($self) = @_;	1899	my ($self) = @_;
…		…
1332		1914
1333	# the original (read-only) location	1915	# the original (read-only) location
1334	sub load_path {	1916	sub load_path {
1335	my ($self) = @_;	1917	my ($self) = @_;
1336		1918
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1919	"$MAPDIR/$self->{path}.map"
1338	}	1920	}
1339		1921
1340	# the temporary/swap location	1922	# the temporary/swap location
1341	sub save_path {	1923	sub save_path {
1342	my ($self) = @_;	1924	my ($self) = @_;
1343		1925
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1927	"$TMPDIR/$path.map"
1346	}	1928	}
1347		1929
1348	# the unique path, undef == no special unique path	1930	# the unique path, undef == no special unique path
1349	sub uniq_path {	1931	sub uniq_path {
1350	my ($self) = @_;	1932	my ($self) = @_;
1351		1933
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1935	"$UNIQUEDIR/$path"
1354	}	1936	}
1355		1937
1356	# and all this just because we cannot iterate over	1938	# and all this just because we cannot iterate over
1357	# all maps in C++...	1939	# all maps in C++...
1358	sub change_all_map_light {	1940	sub change_all_map_light {
…		…
1360		1942
1361	$_->change_map_light ($change)	1943	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1944	for grep $_->outdoor, values %cf::MAP;
1363	}	1945	}
1364		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
1365	sub unlink_save {	1955	sub unlink_save {
1366	my ($self) = @_;	1956	my ($self) = @_;
1367		1957
1368	utf8::encode (my $save = $self->save_path);	1958	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1962
1373	sub load_header_from($) {	1963	sub load_header_from($) {
1374	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1375		1965
1376	utf8::encode $path;	1966	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1382		1975
1383	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1384		1977
1385	1	1978	1
1386	}	1979	}
…		…
1425	$self->load_header_orig	2018	$self->load_header_orig
1426	or return;	2019	or return;
1427	$self->prepare_orig;	2020	$self->prepare_orig;
1428	}	2021	}
1429		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
1430	$self->default_region (cf::region::find_by_path $self->{path})	2026	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2027	unless $self->default_region;
1432		2028
1433	1	2029	1
1434	}	2030	}
…		…
1437	sub find {	2033	sub find {
1438	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1439		2035
1440	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1441		2037
		2038	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2039	cf::lock_wait "map_find:$path";
1443		2040
1444	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
		2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445	my $guard = cf::lock_acquire "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
		2044
1446	my $map = new_from_path cf::map $path	2045	my $map = new_from_path cf::map $path
1447	or return;	2046	or return;
1448		2047
1449	$map->{last_save} = $cf::RUNTIME;	2048	$map->{last_save} = $cf::RUNTIME;
1450		2049
1451	$map->load_header	2050	$map->load_header
1452	or return;	2051	or return;
1453		2052
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2053	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2054	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2055	#$cf::WAIT_FOR_TICK->wait;
		2056	undef $guard2;
		2057	undef $guard1;
1457	$map->reset;	2058	$map->reset;
1458	undef $guard;
1459	return find $path;	2059	return find $path;
1460	}	2060	}
1461		2061
1462	$cf::MAP{$path} = $map	2062	$cf::MAP{$path} = $map
1463	}	2063	}
…		…
1470	my ($self) = @_;	2070	my ($self) = @_;
1471		2071
1472	local $self->{deny_reset} = 1; # loading can take a long time	2072	local $self->{deny_reset} = 1; # loading can take a long time
1473		2073
1474	my $path = $self->{path};	2074	my $path = $self->{path};
		2075
		2076	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2077	my $guard = cf::lock_acquire "map_data:$path";
1476		2078
		2079	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2080	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2081
1479	$self->in_memory (cf::MAP_LOADING);	2082	$self->in_memory (cf::MAP_LOADING);
1480		2083
1481	$self->alloc;	2084	$self->alloc;
1482		2085
1483	$self->pre_load;	2086	$self->pre_load;
1484	Coro::cede;	2087	cf::cede_to_tick;
1485		2088
1486	$self->_load_objects ($self->{load_path}, 1)	2089	my $f = new_from_file cf::object::thawer $self->{load_path};
		2090	$f->skip_block;
		2091	$self->_load_objects ($f)
1487	or return;	2092	or return;
1488		2093
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2094	$self->post_load_original
1490	if delete $self->{load_original};	2095	if delete $self->{load_original};
1491		2096
1492	if (my $uniq = $self->uniq_path) {	2097	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2098	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2099	unless (aio_stat $uniq) {
		2100	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2101	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2102	$self->_load_objects ($f);
		2103	$f->resolve_delayed_derefs;
		2104	}
1497	}	2105	}
1498	}	2106	}
1499		2107
1500	Coro::cede;	2108	$f->resolve_delayed_derefs;
		2109
		2110	cf::cede_to_tick;
1501	# now do the right thing for maps	2111	# now do the right thing for maps
1502	$self->link_multipart_objects;	2112	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2113	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2114	unless $self->difficulty;
1513	Coro::cede;	2115	cf::cede_to_tick;
		2116
		2117	unless ($self->{deny_activate}) {
		2118	$self->decay_objects;
		2119	$self->fix_auto_apply;
		2120	$self->update_buttons;
		2121	cf::cede_to_tick;
		2122	$self->set_darkness_map;
		2123	cf::cede_to_tick;
1514	$self->activate;	2124	$self->activate;
1515	Coro::cede;	2125	}
		2126
		2127	$self->{last_save} = $cf::RUNTIME;
		2128	$self->last_access ($cf::RUNTIME);
		2129
		2130	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2131	}
1517		2132
1518	$self->post_load;	2133	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2134	}
1523		2135
1524	sub customise_for {	2136	sub customise_for {
1525	my ($self, $ob) = @_;	2137	my ($self, $ob) = @_;
1526		2138
1527	return find "~" . $ob->name . "/" . $self->{path}	2139	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2140	if $self->per_player;
1529		2141
		2142	# return find "?party/" . $ob->name . "/" . $self->{path}
		2143	# if $self->per_party;
		2144
1530	$self	2145	$self
1531	}	2146	}
1532		2147
1533	# find and load all maps in the 3x3 area around a map	2148	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2149	sub load_neighbours {
1535	my ($map) = @_;	2150	my ($map) = @_;
1536		2151
1537	my @diag; # diagonal neighbours	2152	my @neigh; # diagonal neighbours
1538		2153
1539	for (0 .. 3) {	2154	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2155	my $neigh = $map->tile_path ($_)
1541	or next;	2156	or next;
1542	$neigh = find $neigh, $map	2157	$neigh = find $neigh, $map
1543	or next;	2158	or next;
1544	$neigh->load;	2159	$neigh->load;
1545		2160
		2161	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2162	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2163	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2164	}
1549		2165
1550	for (@diag) {	2166	for (grep defined $_->[0], @neigh) {
		2167	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2168	my $neigh = find $path, $origin
1552	or next;	2169	or next;
1553	$neigh->load;	2170	$neigh->load;
1554	}	2171	}
1555	}	2172	}
1556		2173
…		…
1561	}	2178	}
1562		2179
1563	sub do_load_sync {	2180	sub do_load_sync {
1564	my ($map) = @_;	2181	my ($map) = @_;
1565		2182
		2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2184	if $Coro::current == $Coro::main;
		2185
1566	cf::sync_job { $map->load };	2186	cf::sync_job { $map->load };
1567	}	2187	}
1568		2188
1569	our %MAP_PREFETCH;	2189	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2190	our $MAP_PREFETCHER = undef;
1571		2191
1572	sub find_async {	2192	sub find_async {
1573	my ($path, $origin) = @_;	2193	my ($path, $origin, $load) = @_;
1574		2194
1575	$path = normalise $path, $origin && $origin->{path};	2195	$path = normalise $path, $origin && $origin->{path};
1576		2196
1577	if (my $map = $cf::MAP{$path}) {	2197	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2199	}
1580		2200
1581	undef $MAP_PREFETCH{$path};	2201	$MAP_PREFETCH{$path} |= $load;
		2202
1582	$MAP_PREFETCHER ||= cf::async {	2203	$MAP_PREFETCHER ||= cf::async {
		2204	$Coro::current->{desc} = "map prefetcher";
		2205
1583	while (%MAP_PREFETCH) {	2206	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2207	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2208	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2209	$map->load if $v;
		2210	}
1588		2211
1589	delete $MAP_PREFETCH{$path};	2212	delete $MAP_PREFETCH{$k};
1590	}	2213	}
1591	}	2214	}
1592	undef $MAP_PREFETCHER;	2215	undef $MAP_PREFETCHER;
1593	};	2216	};
1594	$MAP_PREFETCHER->prio (6);	2217	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2220	}
1598		2221
1599	sub save {	2222	sub save {
1600	my ($self) = @_;	2223	my ($self) = @_;
1601		2224
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2226
1604	$self->{last_save} = $cf::RUNTIME;	2227	$self->{last_save} = $cf::RUNTIME;
1605		2228
1606	return unless $self->dirty;	2229	return unless $self->dirty;
1607		2230
…		…
1613	return if $self->{deny_save};	2236	return if $self->{deny_save};
1614		2237
1615	local $self->{last_access} = $self->last_access;#d#	2238	local $self->{last_access} = $self->last_access;#d#
1616		2239
1617	cf::async {	2240	cf::async {
		2241	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2242	$_->contr->save for $self->players;
1619	};	2243	};
		2244
		2245	cf::get_slot 0.02;
1620		2246
1621	if ($uniq) {	2247	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2249	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2250	} else {
…		…
1630	my ($self) = @_;	2256	my ($self) = @_;
1631		2257
1632	# save first because save cedes	2258	# save first because save cedes
1633	$self->save;	2259	$self->save;
1634		2260
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2262
1637	return if $self->players;	2263	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2264	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2265	return if $self->{deny_save};
1640		2266
		2267	$self->in_memory (cf::MAP_SWAPPED);
		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2271	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2272	}
1644		2273
1645	sub reset_at {	2274	sub reset_at {
1646	my ($self) = @_;	2275	my ($self) = @_;
1647		2276
1648	# TODO: safety, remove and allow resettable per-player maps	2277	# 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};	2278	return 1e99 if $self->{deny_reset};
1651		2279
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2280	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2281	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2282
…		…
1665	my ($self) = @_;	2293	my ($self) = @_;
1666		2294
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2295	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2296
1669	return if $self->players;	2297	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2298
1672	warn "resetting map ", $self->path;#d#	2299	warn "resetting map ", $self->path;
1673		2300
1674	$self->in_memory (cf::MAP_SWAPPED);	2301	$self->in_memory (cf::MAP_SWAPPED);
1675		2302
1676	# need to save uniques path	2303	# need to save uniques path
1677	unless ($self->{deny_save}) {	2304	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2308	if $uniq;
1682	}	2309	}
1683		2310
1684	delete $cf::MAP{$self->path};	2311	delete $cf::MAP{$self->path};
1685		2312
		2313	$self->deactivate;
		2314	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2315	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2316
1690	$self->unlink_save;	2317	$self->unlink_save;
1691	$self->destroy;	2318	$self->destroy;
1692	}	2319	}
1693		2320
1694	my $nuke_counter = "aaaa";	2321	my $nuke_counter = "aaaa";
1695		2322
1696	sub nuke {	2323	sub nuke {
1697	my ($self) = @_;	2324	my ($self) = @_;
1698		2325
		2326	{
		2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2328
1699	delete $cf::MAP{$self->path};	2329	delete $cf::MAP{$self->path};
1700		2330
1701	$self->unlink_save;	2331	$self->unlink_save;
1702		2332
1703	bless $self, "cf::map";	2333	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2334	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2335	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2336	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2338
1709	$cf::MAP{$self->path} = $self;	2339	$cf::MAP{$self->path} = $self;
		2340	}
1710		2341
1711	$self->reset; # polite request, might not happen	2342	$self->reset; # polite request, might not happen
		2343	}
		2344
		2345	=item $maps = cf::map::tmp_maps
		2346
		2347	Returns an arrayref with all map paths of currently instantiated and saved
		2348	maps. May block.
		2349
		2350	=cut
		2351
		2352	sub tmp_maps() {
		2353	[
		2354	map {
		2355	utf8::decode $_;
		2356	/\.map$/
		2357	? normalise $_
		2358	: ()
		2359	} @{ aio_readdir $TMPDIR or [] }
		2360	]
		2361	}
		2362
		2363	=item $maps = cf::map::random_maps
		2364
		2365	Returns an arrayref with all map paths of currently instantiated and saved
		2366	random maps. May block.
		2367
		2368	=cut
		2369
		2370	sub random_maps() {
		2371	[
		2372	map {
		2373	utf8::decode $_;
		2374	/\.map$/
		2375	? normalise "?random/$_"
		2376	: ()
		2377	} @{ aio_readdir $RANDOMDIR or [] }
		2378	]
1712	}	2379	}
1713		2380
1714	=item cf::map::unique_maps	2381	=item cf::map::unique_maps
1715		2382
1716	Returns an arrayref of paths of all shared maps that have	2383	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2384	instantiated unique items. May block.
1718		2385
1719	=cut	2386	=cut
1720		2387
1721	sub unique_maps() {	2388	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2389	[
1723	or return;	2390	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2391	utf8::decode $_;
1729	next if /\.pst$/;	2392	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2393	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2394	? ()
1732	push @paths, cf::map::normalise $_;	2395	: normalise $_
		2396	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2397	]
1734
1735	\@paths
1736	}	2398	}
1737
1738	package cf;
1739		2399
1740	=back	2400	=back
1741		2401
1742	=head3 cf::object	2402	=head3 cf::object
1743		2403
…		…
1747		2407
1748	=over 4	2408	=over 4
1749		2409
1750	=item $ob->inv_recursive	2410	=item $ob->inv_recursive
1751		2411
1752	Returns the inventory of the object _and_ their inventories, recursively.	2412	Returns the inventory of the object I<and> their inventories, recursively,
		2413	but I<not> the object itself.
1753		2414
1754	=cut	2415	=cut
1755		2416
1756	sub inv_recursive_;	2417	sub inv_recursive_;
1757	sub inv_recursive_ {	2418	sub inv_recursive_ {
…		…
1760		2421
1761	sub inv_recursive {	2422	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2423	inv_recursive_ inv $_[0]
1763	}	2424	}
1764		2425
		2426	=item $ref = $ob->ref
		2427
		2428	Creates and returns a persistent reference to an object that can be stored as a string.
		2429
		2430	=item $ob = cf::object::deref ($refstring)
		2431
		2432	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2433	even if the object actually exists. May block.
		2434
		2435	=cut
		2436
		2437	sub deref {
		2438	my ($ref) = @_;
		2439
		2440	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2441	my ($uuid, $name) = ($1, $2);
		2442	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2443	or return;
		2444	$pl->ob->uuid eq $uuid
		2445	or return;
		2446
		2447	$pl->ob
		2448	} else {
		2449	warn "$ref: cannot resolve object reference\n";
		2450	undef
		2451	}
		2452	}
		2453
1765	package cf;	2454	package cf;
1766		2455
1767	=back	2456	=back
1768		2457
1769	=head3 cf::object::player	2458	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2464	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	2465	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2466	dialogue with the given NPC character.
1778		2467
1779	=cut	2468	=cut
		2469
		2470	our $SAY_CHANNEL = {
		2471	id => "say",
		2472	title => "Map",
		2473	reply => "say ",
		2474	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2475	};
		2476
		2477	our $CHAT_CHANNEL = {
		2478	id => "chat",
		2479	title => "Chat",
		2480	reply => "chat ",
		2481	tooltip => "Player chat and shouts, global to the server.",
		2482	};
1780		2483
1781	# rough implementation of a future "reply" method that works	2484	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2485	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2486	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2487	sub cf::object::player::reply($$$;$) {
…		…
1786		2489
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2490	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2491
1789	if ($self->{record_replies}) {	2492	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2493	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2494
1791	} else {	2495	} else {
		2496	my $pl = $self->contr;
		2497
		2498	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2499	my $dialog = $pl->{npc_dialog};
		2500	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2501
		2502	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2503	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2504	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2505	}
1794	}	2506	}
		2507	}
		2508
		2509	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2510
		2511	=cut
		2512
		2513	sub cf::object::send_msg {
		2514	my $pl = shift->contr
		2515	or return;
		2516	$pl->send_msg (@_);
1795	}	2517	}
1796		2518
1797	=item $player_object->may ("access")	2519	=item $player_object->may ("access")
1798		2520
1799	Returns wether the given player is authorized to access resource "access"	2521	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2568	$self->deactivate_recursive;
1847		2569
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2570	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2571
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2573	if $self->map && $self->map->{path} ne "{link}";
1852		2574
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2576	}
1855		2577
1856	sub cf::object::player::leave_link {	2578	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2579	my ($self, $map, $x, $y) = @_;
		2580
		2581	return unless $self->contr->active;
1858		2582
1859	my $link_pos = delete $self->{_link_pos};	2583	my $link_pos = delete $self->{_link_pos};
1860		2584
1861	unless ($map) {	2585	unless ($map) {
1862	# restore original map position	2586	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2600	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2601	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2602	if $x <=0 && $y <= 0;
1879		2603
1880	$map->load;	2604	$map->load;
1881	$map->load_diag;	2605	$map->load_neighbours;
1882		2606
1883	return unless $self->contr->active;	2607	return unless $self->contr->active;
1884	$self->activate_recursive;	2608	$self->activate_recursive;
1885		2609
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2611	$self->enter_map ($map, $x, $y);
1888	}	2612	}
1889		2613
1890	cf::player->attach (	2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2615
1894	# abort map switching before logout	2616	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2617	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2618	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2619	the new (success) or old (failed) map position. In either case, $done will
1898	};	2620	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2621
1904	# try to abort aborted map switching on player login :)	2622	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2623	it needs a loaded map it has to call C<< ->load >>.
1906	if ($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		2624
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2625	=cut
		2626
		2627	our $GOTOGEN;
1925		2628
1926	sub cf::object::player::goto {	2629	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2630	my ($self, $path, $x, $y, $check, $done) = @_;
		2631
		2632	# do generation counting so two concurrent goto's will be executed in-order
		2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2634
1929	$self->enter_link;	2635	$self->enter_link;
1930		2636
1931	(async {	2637	(async {
		2638	$Coro::current->{desc} = "player::goto $path $x $y";
		2639
		2640	# *tag paths override both path and x|y
		2641	if ($path =~ /^\*(.*)$/) {
		2642	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2643	my $ob = $obs[rand @obs];
		2644
		2645	# see if we actually can go there
		2646	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2647	$ob = $obs[rand @obs];
		2648	} else {
		2649	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
		2651	# else put us there anyways for now #d#
		2652
		2653	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2654	} else {
		2655	($path, $x, $y) = (undef, undef, undef);
		2656	}
		2657	}
		2658
1932	my $map = eval {	2659	my $map = eval {
1933	my $map = cf::map::find $path;	2660	my $map = defined $path ? cf::map::find $path : undef;
		2661
		2662	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2663	$map = $map->customise_for ($self);
		2664	$map = $check->($map) if $check && $map;
		2665	} else {
		2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668
1935	$map	2669	$map
		2670	};
		2671
		2672	if ($@) {
		2673	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2674	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2675	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2676
		2677	if ($gen == $self->{_goto_generation}) {
		2678	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2679	$self->leave_link ($map, $x, $y);
		2680	}
		2681
		2682	$done->() if $done;
1940	})->prio (1);	2683	})->prio (1);
1941	}	2684	}
1942		2685
1943	=item $player_object->enter_exit ($exit_object)	2686	=item $player_object->enter_exit ($exit_object)
1944		2687
…		…
1964	}	2707	}
1965		2708
1966	sub prepare_random_map {	2709	sub prepare_random_map {
1967	my ($exit) = @_;	2710	my ($exit) = @_;
1968		2711
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2712	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2713	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2714	# that depends on the exit object
1974		2715
1975	my $rmp = parse_random_map_params $exit->msg;	2716	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2718	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2719	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2720	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2721	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2722	$rmp->{origin_y} = $exit->y;
		2723
		2724	$exit->map->touch;
1982	}	2725	}
1983		2726
1984	$rmp->{random_seed} ||= $exit->random_seed;	2727	$rmp->{random_seed} ||= $exit->random_seed;
1985		2728
1986	my $data = cf::to_json $rmp;	2729	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2730	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2731	my $meta = "$RANDOMDIR/$md5.meta";
1989		2732
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2733	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2734	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2735	undef $fh;
1993	aio_rename "$meta~", $meta;	2736	aio_rename "$meta~", $meta;
1994		2737
		2738	my $slaying = "?random/$md5";
		2739
		2740	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2741	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2742	$exit->msg (undef);
		2743	}
1997	}	2744	}
1998	}	2745	}
1999		2746
2000	sub cf::object::player::enter_exit {	2747	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2748	my ($self, $exit) = @_;
2002		2749
2003	return unless $self->type == cf::PLAYER;	2750	return unless $self->type == cf::PLAYER;
2004		2751
2005	if ($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;	2752	$self->enter_link;
2017		2753
2018	(async {	2754	(async {
2019	$self->deactivate_recursive; # just to be sure	2755	$Coro::current->{desc} = "enter_exit";
		2756
2020	unless (eval {	2757	unless (eval {
		2758	$self->deactivate_recursive; # just to be sure
		2759
		2760	# random map handling
		2761	{
		2762	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2763
		2764	prepare_random_map $exit
		2765	if $exit->slaying eq "/!";
		2766	}
		2767
		2768	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2769	my $x = $exit->stats->hp;
		2770	my $y = $exit->stats->sp;
		2771
2021	$self->goto ($slaying, $hp, $sp);	2772	$self->goto ($map, $x, $y);
2022		2773
		2774	# if exit is damned, update players death & WoR home-position
		2775	$self->contr->savebed ($map, $x, $y)
		2776	if $exit->flag (cf::FLAG_DAMNED);
		2777
2023	1;	2778	1
2024	}) {	2779	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2780	$self->message ("Something went wrong deep within the crossfire server. "
2026	. "I'll try to bring you back to the map you were before. "	2781	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2782	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2783	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2049		2804
2050	utf8::encode $text;	2805	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2806	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2807	}
2053		2808
		2809	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2810
		2811	Send a drawinfo or msg packet to the client, formatting the msg for the
		2812	client if neccessary. C<$type> should be a string identifying the type of
		2813	the message, with C<log> being the default. If C<$color> is negative, suppress
		2814	the message unless the client supports the msg packet.
		2815
		2816	=cut
		2817
		2818	# non-persistent channels (usually the info channel)
		2819	our %CHANNEL = (
		2820	"c/identify" => {
		2821	id => "infobox",
		2822	title => "Identify",
		2823	reply => undef,
		2824	tooltip => "Items recently identified",
		2825	},
		2826	"c/examine" => {
		2827	id => "infobox",
		2828	title => "Examine",
		2829	reply => undef,
		2830	tooltip => "Signs and other items you examined",
		2831	},
		2832	"c/book" => {
		2833	id => "infobox",
		2834	title => "Book",
		2835	reply => undef,
		2836	tooltip => "The contents of a note or book",
		2837	},
		2838	"c/lookat" => {
		2839	id => "infobox",
		2840	title => "Look",
		2841	reply => undef,
		2842	tooltip => "What you saw there",
		2843	},
		2844	"c/who" => {
		2845	id => "infobox",
		2846	title => "Players",
		2847	reply => undef,
		2848	tooltip => "Shows players who are currently online",
		2849	},
		2850	"c/body" => {
		2851	id => "infobox",
		2852	title => "Body Parts",
		2853	reply => undef,
		2854	tooltip => "Shows which body parts you posess and are available",
		2855	},
		2856	"c/uptime" => {
		2857	id => "infobox",
		2858	title => "Uptime",
		2859	reply => undef,
		2860	tooltip => "How long the server has been running since last restart",
		2861	},
		2862	"c/mapinfo" => {
		2863	id => "infobox",
		2864	title => "Map Info",
		2865	reply => undef,
		2866	tooltip => "Information related to the maps",
		2867	},
		2868	"c/party" => {
		2869	id => "party",
		2870	title => "Party",
		2871	reply => "gsay ",
		2872	tooltip => "Messages and chat related to your party",
		2873	},
		2874	);
		2875
		2876	sub cf::client::send_msg {
		2877	my ($self, $channel, $msg, $color, @extra) = @_;
		2878
		2879	$msg = $self->pl->expand_cfpod ($msg);
		2880
		2881	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2882
		2883	# check predefined channels, for the benefit of C
		2884	if ($CHANNEL{$channel}) {
		2885	$channel = $CHANNEL{$channel};
		2886
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889
		2890	$channel = $channel->{id};
		2891
		2892	} elsif (ref $channel) {
		2893	# send meta info to client, if not yet sent
		2894	unless (exists $self->{channel}{$channel->{id}}) {
		2895	$self->{channel}{$channel->{id}} = $channel;
		2896	$self->ext_msg (channel_info => $channel)
		2897	if $self->can_msg;
		2898	}
		2899
		2900	$channel = $channel->{id};
		2901	}
		2902
		2903	return unless @extra || length $msg;
		2904
		2905	if ($self->can_msg) {
		2906	# default colour, mask it out
		2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2908	if $color & cf::NDI_DEF;
		2909
		2910	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2912	} else {
		2913	if ($color >= 0) {
		2914	# replace some tags by gcfclient-compatible ones
		2915	for ($msg) {
		2916	1 while
		2917	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2918	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2919	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2920	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2921	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2922	}
		2923
		2924	$color &= cf::NDI_COLOR_MASK;
		2925
		2926	utf8::encode $msg;
		2927
		2928	if (0 && $msg =~ /\[/) {
		2929	# COMMAND/INFO
		2930	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2931	} else {
		2932	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2933	$self->send_packet ("drawinfo $color $msg")
		2934	}
		2935	}
		2936	}
		2937	}
		2938
2054	=item $client->ext_event ($type, %msg)	2939	=item $client->ext_msg ($type, @msg)
2055		2940
2056	Sends an exti event to the client.	2941	Sends an ext event to the client.
2057		2942
2058	=cut	2943	=cut
2059		2944
2060	sub cf::client::ext_event($$%) {	2945	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2946	my ($self, $type, @msg) = @_;
2062		2947
		2948	if ($self->extcmd == 2) {
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2950	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2951	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2953	}
		2954	}
		2955
		2956	=item $client->ext_reply ($msgid, @msg)
		2957
		2958	Sends an ext reply to the client.
		2959
		2960	=cut
		2961
		2962	sub cf::client::ext_reply($$@) {
		2963	my ($self, $id, @msg) = @_;
		2964
		2965	if ($self->extcmd == 2) {
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2967	} elsif ($self->extcmd == 1) {
		2968	#TODO: version 1, remove
		2969	unshift @msg, msgtype => "reply", msgid => $id;
		2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2971	}
2065	}	2972	}
2066		2973
2067	=item $success = $client->query ($flags, "text", \&cb)	2974	=item $success = $client->query ($flags, "text", \&cb)
2068		2975
2069	Queues a query to the client, calling the given callback with	2976	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>,	2977	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>.	2978	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2979
2073	Queries can fail, so check the return code. Or don't, as queries will become	2980	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2981	become reliable at some point in the future.
2075		2982
2076	=cut	2983	=cut
2077		2984
2078	sub cf::client::query {	2985	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2986	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2994	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2995	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2996
2090	$self->send_packet ($self->{query_queue}[0][0])	2997	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2998	if @{ $self->{query_queue} } == 1;
		2999
		3000	1
2092	}	3001	}
2093		3002
2094	cf::client->attach (	3003	cf::client->attach (
		3004	on_connect => sub {
		3005	my ($ns) = @_;
		3006
		3007	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3008	},
2095	on_reply => sub {	3009	on_reply => sub {
2096	my ($ns, $msg) = @_;	3010	my ($ns, $msg) = @_;
2097		3011
2098	# this weird shuffling is so that direct followup queries	3012	# this weird shuffling is so that direct followup queries
2099	# get handled first	3013	# get handled first
…		…
2111	} else {	3025	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3026	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3027	}
2114	}	3028	}
2115	},	3029	},
		3030	on_exticmd => sub {
		3031	my ($ns, $buf) = @_;
		3032
		3033	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3034
		3035	if (ref $msg) {
		3036	my ($type, $reply, @payload) =
		3037	"ARRAY" eq ref $msg
		3038	? @$msg
		3039	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3040
		3041	my @reply;
		3042
		3043	if (my $cb = $EXTICMD{$type}) {
		3044	@reply = $cb->($ns, @payload);
		3045	}
		3046
		3047	$ns->ext_reply ($reply, @reply)
		3048	if $reply;
		3049
		3050	} else {
		3051	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3052	}
		3053
		3054	cf::override;
		3055	},
2116	);	3056	);
2117		3057
2118	=item $client->async (\&cb)	3058	=item $client->async (\&cb)
2119		3059
2120	Create a new coroutine, running the specified callback. The coroutine will	3060	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3101	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3102	our $safe_hole = new Safe::Hole;
2163		3103
2164	$SIG{FPE} = 'IGNORE';	3104	$SIG{FPE} = 'IGNORE';
2165		3105
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3106	$safe->permit_only (Opcode::opset qw(
		3107	:base_core :base_mem :base_orig :base_math
		3108	grepstart grepwhile mapstart mapwhile
		3109	sort time
		3110	));
2167		3111
2168	# here we export the classes and methods available to script code	3112	# here we export the classes and methods available to script code
2169		3113
2170	=pod	3114	=pod
2171		3115
2172	The following functions and methods are available within a safe environment:	3116	The following functions and methods are available within a safe environment:
2173		3117
2174	cf::object contr pay_amount pay_player map	3118	cf::object
		3119	contr pay_amount pay_player map x y force_find force_add destroy
		3120	insert remove name archname title slaying race decrease split
		3121
2175	cf::object::player player	3122	cf::object::player
2176	cf::player peaceful	3123	player
2177	cf::map trigger	3124
		3125	cf::player
		3126	peaceful
		3127
		3128	cf::map
		3129	trigger
2178		3130
2179	=cut	3131	=cut
2180		3132
2181	for (	3133	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3135	insert remove inv nrof name archname title slaying race
		3136	decrease split destroy change_exp)],
2183	["cf::object::player" => qw(player)],	3137	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3138	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3139	["cf::map" => qw(trigger)],
2186	) {	3140	) {
2187	no strict 'refs';	3141	no strict 'refs';
…		…
2258	=back	3212	=back
2259		3213
2260	=cut	3214	=cut
2261		3215
2262	#############################################################################	3216	#############################################################################
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	3217	# the server's init and main functions
2336		3218
2337	sub load_facedata {	3219	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3220	my ($path) = @_;
		3221
		3222	# HACK to clear player env face cache, we need some signal framework
		3223	# for this (global event?)
		3224	%ext::player_env::MUSIC_FACE_CACHE = ();
		3225
		3226	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3227
2340	warn "loading facedata from $path\n";	3228	warn "loading facedata from $path\n";
2341		3229
2342	my $facedata;	3230	my $facedata;
2343	0 < aio_load $path, $facedata	3231	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3234	$facedata = Coro::Storable::thaw $facedata;
2347		3235
2348	$facedata->{version} == 2	3236	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3237	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3238
		3239	# patch in the exptable
		3240	$facedata->{resource}{"res/exp_table"} = {
		3241	type => FT_RSRC,
		3242	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3243	};
		3244	cf::cede_to_tick;
		3245
2351	{	3246	{
2352	my $faces = $facedata->{faceinfo};	3247	my $faces = $facedata->{faceinfo};
2353		3248
2354	while (my ($face, $info) = each %$faces) {	3249	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3251
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3252	cf::face::set_visibility $idx, $info->{visibility};
		3253	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3256
		3257	cf::cede_to_tick;
2360	}	3258	}
2361		3259
2362	while (my ($face, $info) = each %$faces) {	3260	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3261	next unless $info->{smooth};
		3262
2364	my $idx = cf::face::find $face	3263	my $idx = cf::face::find $face
2365	or next;	3264	or next;
		3265
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3266	if (my $smooth = cf::face::find $info->{smooth}) {
		3267	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3269	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3270	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3271	}
2371	Coro::cede;	3272
		3273	cf::cede_to_tick;
2372	}	3274	}
2373	}	3275	}
2374		3276
2375	{	3277	{
2376	my $anims = $facedata->{animinfo};	3278	my $anims = $facedata->{animinfo};
2377		3279
2378	while (my ($anim, $info) = each %$anims) {	3280	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3281	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3282	cf::cede_to_tick;
2381	}	3283	}
2382		3284
2383	cf::anim::invalidate_all; # d'oh	3285	cf::anim::invalidate_all; # d'oh
2384	}	3286	}
2385		3287
		3288	{
		3289	# TODO: for gcfclient pleasure, we should give resources
		3290	# that gcfclient doesn't grok a >10000 face index.
		3291	my $res = $facedata->{resource};
		3292
		3293	while (my ($name, $info) = each %$res) {
		3294	if (defined $info->{type}) {
		3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3296	my $data;
		3297
		3298	if ($info->{type} & 1) {
		3299	# prepend meta info
		3300
		3301	my $meta = $enc->encode ({
		3302	name => $name,
		3303	%{ $info->{meta} || {} },
		3304	});
		3305
		3306	$data = pack "(w/a*)*", $meta, $info->{data};
		3307	} else {
		3308	$data = $info->{data};
		3309	}
		3310
		3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3312	cf::face::set_type $idx, $info->{type};
		3313	} else {
		3314	$RESOURCE{$name} = $info;
		3315	}
		3316
		3317	cf::cede_to_tick;
		3318	}
		3319	}
		3320
		3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3322
2386	1	3323	1
2387	}	3324	}
2388		3325
		3326	cf::global->attach (on_resource_update => sub {
		3327	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3328	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3329
		3330	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3331	my $sound = $soundconf->{compat}[$_]
		3332	or next;
		3333
		3334	my $face = cf::face::find "sound/$sound->[1]";
		3335	cf::sound::set $sound->[0] => $face;
		3336	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3337	}
		3338
		3339	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3340	my $face = cf::face::find "sound/$v";
		3341	cf::sound::set $k => $face;
		3342	}
		3343	}
		3344	});
		3345
		3346	register_exticmd fx_want => sub {
		3347	my ($ns, $want) = @_;
		3348
		3349	while (my ($k, $v) = each %$want) {
		3350	$ns->fx_want ($k, $v);
		3351	}
		3352	};
		3353
		3354	sub load_resource_file($) {
		3355	my $guard = lock_acquire "load_resource_file";
		3356
		3357	my $status = load_resource_file_ $_[0];
		3358	get_slot 0.1, 100;
		3359	cf::arch::commit_load;
		3360
		3361	$status
		3362	}
		3363
		3364	sub reload_regions {
		3365	# HACK to clear player env face cache, we need some signal framework
		3366	# for this (global event?)
		3367	%ext::player_env::MUSIC_FACE_CACHE = ();
		3368
		3369	load_resource_file "$MAPDIR/regions"
		3370	or die "unable to load regions file\n";
		3371
		3372	for (cf::region::list) {
		3373	$_->{match} = qr/$_->{match}/
		3374	if exists $_->{match};
		3375	}
		3376	}
		3377
		3378	sub reload_facedata {
		3379	load_facedata "$DATADIR/facedata"
		3380	or die "unable to load facedata\n";
		3381	}
		3382
2389	sub load_archetypes {	3383	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3384	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3385	or die "unable to load archetypes\n";
2392	}	3386	}
2393		3387
2394	sub load_treasures {	3388	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3389	load_resource_file "$DATADIR/treasures"
		3390	or die "unable to load treasurelists\n";
2396	}	3391	}
2397		3392
2398	sub reload_resources {	3393	sub reload_resources {
2399	warn "reloading resource files...\n";	3394	warn "reloading resource files...\n";
2400		3395
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402	or die "unable to load regions file\n";
2403	load_facedata	3396	reload_facedata;
2404	or die "unable to load facedata\n";
2405	load_archetypes	3397	reload_archetypes;
2406	or die "unable to load archetypes\n";	3398	reload_regions;
2407	load_treasures	3399	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3400
2410	warn "finished reloading resource files\n";	3401	warn "finished reloading resource files\n";
2411	}	3402	}
2412		3403
2413	sub init {	3404	sub init {
		3405	my $guard = freeze_mainloop;
		3406
		3407	evthread_start IO::AIO::poll_fileno;
		3408
2414	reload_resources;	3409	reload_resources;
2415	}	3410	}
2416		3411
2417	sub cfg_load {	3412	sub reload_config {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3413	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3414	or return;
2420		3415
2421	local $/;	3416	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3417	*CFG = YAML::Load <$fh>;
2423		3418
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425		3420
2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3421	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3422	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2438	sub main {	3433	sub main {
2439	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3437	(async {
2443	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2445	};	3441	};
2446		3442
2447	cfg_load;	3443	{
		3444	my $guard = freeze_mainloop;
		3445	reload_config;
2448	db_init;	3446	db_init;
2449	load_extensions;	3447	load_extensions;
2450		3448
2451	$TICK_WATCHER->start;	3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450	}
		3451
2452	Event::loop;	3452	EV::loop;
2453	}	3453	}
2454		3454
2455	#############################################################################	3455	#############################################################################
2456	# initialisation and cleanup	3456	# initialisation and cleanup
2457		3457
2458	# install some emergency cleanup handlers	3458	# install some emergency cleanup handlers
2459	BEGIN {	3459	BEGIN {
		3460	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3461	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3463	cf::cleanup "SIG$signal";
2468	},
2469	);	3464	};
		3465	}
		3466	}
		3467
		3468	sub write_runtime_sync {
		3469	my $runtime = "$LOCALDIR/runtime";
		3470
		3471	# first touch the runtime file to show we are still running:
		3472	# the fsync below can take a very very long time.
		3473
		3474	IO::AIO::aio_utime $runtime, undef, undef;
		3475
		3476	my $guard = cf::lock_acquire "write_runtime";
		3477
		3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3479	or return;
		3480
		3481	my $value = $cf::RUNTIME + 90 + 10;
		3482	# 10 is the runtime save interval, for a monotonic clock
		3483	# 60 allows for the watchdog to kill the server.
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	# touch it again to show we are up-to-date
		3493	aio_utime $fh, undef, undef;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$runtime~", $runtime
		3499	and return;
		3500
		3501	warn "runtime file written.\n";
		3502
2470	}	3503	1
		3504	}
		3505
		3506	our $uuid_lock;
		3507	our $uuid_skip;
		3508
		3509	sub write_uuid_sync($) {
		3510	$uuid_skip ||= $_[0];
		3511
		3512	return if $uuid_lock;
		3513	local $uuid_lock = 1;
		3514
		3515	my $uuid = "$LOCALDIR/uuid";
		3516
		3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3518	or return;
		3519
		3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2471	}	3547	}
2472		3548
2473	sub emergency_save() {	3549	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2475		3551
…		…
2481	# and maps saved/destroyed asynchronously.	3557	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3558	warn "begin emergency player save\n";
2483	for my $login (keys %cf::PLAYER) {	3559	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3560	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3561	$pl->valid or next;
		3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3563	$pl->save;
2487	}	3564	}
2488	warn "end emergency player save\n";	3565	warn "end emergency player save\n";
2489		3566
2490	warn "begin emergency map save\n";	3567	warn "begin emergency map save\n";
…		…
2496	warn "end emergency map save\n";	3573	warn "end emergency map save\n";
2497		3574
2498	warn "begin emergency database checkpoint\n";	3575	warn "begin emergency database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3576	BDB::db_env_txn_checkpoint $DB_ENV;
2500	warn "end emergency database checkpoint\n";	3577	warn "end emergency database checkpoint\n";
		3578
		3579	warn "begin write uuid\n";
		3580	write_uuid_sync 1;
		3581	warn "end write uuid\n";
2501	};	3582	};
2502		3583
2503	warn "leave emergency perl save\n";	3584	warn "leave emergency perl save\n";
2504	}	3585	}
2505		3586
…		…
2508		3589
2509	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3591	if $make_core;
2511	}	3592	}
2512		3593
		3594	# a safer delete_package, copied from Symbol
		3595	sub clear_package($) {
		3596	my $pkg = shift;
		3597
		3598	# expand to full symbol table name if needed
		3599	unless ($pkg =~ /^main::.*::$/) {
		3600	$pkg = "main$pkg" if $pkg =~ /^::/;
		3601	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3602	$pkg .= '::' unless $pkg =~ /::$/;
		3603	}
		3604
		3605	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3606	my $stem_symtab = *{$stem}{HASH};
		3607
		3608	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3609	or return;
		3610
		3611	# clear all symbols
		3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3613	for my $name (keys %$leaf_symtab) {
		3614	_gv_clear *{"$pkg$name"};
		3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3616	}
		3617	warn "cleared package #$pkg\n";#d#
		3618	}
		3619
		3620	our $RELOAD; # how many times to reload
		3621
2513	sub reload() {	3622	sub do_reload_perl() {
2514	# can/must only be called in main	3623	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3624	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	3625	warn "can only reload from main coroutine";
2517	return;	3626	return;
2518	}	3627	}
2519		3628
		3629	return if $RELOAD++;
		3630
		3631	while ($RELOAD) {
2520	warn "reloading...";	3632	warn "reloading...";
2521		3633
2522	warn "entering sync_job";	3634	warn "entering sync_job";
2523		3635
2524	cf::sync_job {	3636	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
2526	cf::emergency_save;	3638	cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark	3639	cf::write_runtime_sync; # external watchdog should not bark
2528		3640
2529	warn "syncing database to disk";	3641	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;	3642	BDB::db_env_txn_checkpoint $DB_ENV;
2531		3643
2532	# if anything goes wrong in here, we should simply crash as we already saved	3644	# if anything goes wrong in here, we should simply crash as we already saved
2533		3645
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";	3646	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3647	while (IO::AIO::nreqs || BDB::nreqs) {
2545	warn "iterate...";	3648	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();
2553
2554	warn "removing commands";
2555	%COMMAND = ();
2556
2557	warn "removing ext commands";
2558	%EXTCMD = ();
2559
2560	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";
2563
2564	if (my $cb = $pkg->can ("unload")) {
2565	eval {
2566	$cb->($pkg);
2567	1
2568	} or warn "$pkg unloaded, but with errors: $@";
2569	}	3649	}
2570		3650
2571	warn "... nuking $pkg";	3651	warn "cancelling all extension coros";
2572	Symbol::delete_package $pkg;	3652	$_->cancel for values %EXT_CORO;
2573	}	3653	%EXT_CORO = ();
2574		3654
2575	warn "unloading all perl modules loaded from $LIBDIR";	3655	warn "removing commands";
2576	while (my ($k, $v) = each %INC) {	3656	%COMMAND = ();
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3657
		3658	warn "removing ext/exti commands";
		3659	%EXTCMD = ();
		3660	%EXTICMD = ();
		3661
		3662	warn "unloading/nuking all extensions";
		3663	for my $pkg (@EXTS) {
2579	warn "... unloading $k";	3664	warn "... unloading $pkg";
2580	delete $INC{$k};
2581		3665
2582	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;
2584
2585	if (my $cb = $k->can ("unload_module")) {	3666	if (my $cb = $pkg->can ("unload")) {
		3667	eval {
2586	$cb->();	3668	$cb->($pkg);
		3669	1
		3670	} or warn "$pkg unloaded, but with errors: $@";
		3671	}
		3672
		3673	warn "... clearing $pkg";
		3674	clear_package $pkg;
2587	}	3675	}
2588		3676
2589	Symbol::delete_package $k;	3677	warn "unloading all perl modules loaded from $LIBDIR";
		3678	while (my ($k, $v) = each %INC) {
		3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3680
		3681	warn "... unloading $k";
		3682	delete $INC{$k};
		3683
		3684	$k =~ s/\.pm$//;
		3685	$k =~ s/\//::/g;
		3686
		3687	if (my $cb = $k->can ("unload_module")) {
		3688	$cb->();
		3689	}
		3690
		3691	clear_package $k;
2590	}	3692	}
2591		3693
2592	warn "getting rid of safe::, as good as possible";	3694	warn "getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3695	clear_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3696	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3697
2596	warn "unloading cf.pm \"a bit\"";	3698	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3699	delete $INC{"cf.pm"};
		3700	delete $INC{"cf/pod.pm"};
2598		3701
2599	# don't, removes xs symbols, too,	3702	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3703	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3704	#clear_package __PACKAGE__;
2602		3705
2603	warn "unload completed, starting to reload now";	3706	warn "unload completed, starting to reload now";
2604		3707
2605	warn "reloading cf.pm";	3708	warn "reloading cf.pm";
2606	require cf;	3709	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608		3711
2609	warn "loading config and database again";	3712	warn "loading config and database again";
2610	cf::cfg_load;	3713	cf::reload_config;
2611		3714
2612	warn "loading extensions";	3715	warn "loading extensions";
2613	cf::load_extensions;	3716	cf::load_extensions;
2614		3717
2615	warn "reattaching attachments to objects/players";	3718	warn "reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3719	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3720	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3721	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3722	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3723	reattach $_ for values %PLAYER;
2621		3724
2622	warn "loading reloadable resources";
2623	reload_resources;
2624
2625	warn "leaving sync_job";	3725	warn "leaving sync_job";
2626		3726
2627	1	3727	1
2628	} or do {	3728	} or do {
2629	warn $@;	3729	warn $@;
2630	warn "error while reloading, exiting.";	3730	cf::cleanup "error while reloading, exiting.";
2631	exit 1;	3731	};
		3732
		3733	warn "reloaded";
		3734	--$RELOAD;
		3735	}
		3736	};
		3737
		3738	our $RELOAD_WATCHER; # used only during reload
		3739
		3740	sub reload_perl() {
		3741	# doing reload synchronously and two reloads happen back-to-back,
		3742	# coro crashes during coro_state_free->destroy here.
		3743
		3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3745	do_reload_perl;
		3746	undef $RELOAD_WATCHER;
2632	};	3747	};
2633		3748	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		3749
2639	register_command "reload" => sub {	3750	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3751	my ($who, $arg) = @_;
2641		3752
2642	if ($who->flag (FLAG_WIZ)) {	3753	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3754	$who->message ("reloading server.");
2644		3755	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3756	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3757	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3758	};
2657	}	3759	}
2658	};	3760	};
2659		3761
2660	unshift @INC, $LIBDIR;	3762	unshift @INC, $LIBDIR;
2661		3763
…		…
2663		3765
2664	our @WAIT_FOR_TICK;	3766	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	3767	our @WAIT_FOR_TICK_BEGIN;
2666		3768
2667	sub wait_for_tick {	3769	sub wait_for_tick {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	3770	return if tick_inhibit || $Coro::current == $Coro::main;
2670		3771
2671	my $signal = new Coro::Signal;	3772	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	3773	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	3774	$signal->wait;
2674	}	3775	}
2675		3776
2676	sub wait_for_tick_begin {	3777	sub wait_for_tick_begin {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	3778	return if tick_inhibit || $Coro::current == $Coro::main;
2679		3779
2680	my $signal = new Coro::Signal;	3780	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3781	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3782	$signal->wait;
2683	}	3783	}
2684		3784
2685	$TICK_WATCHER = Event->timer (	3785	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3788	unless ++$bug_warning > 10;
2695	return;	3789	return;
2696	}	3790	}
2697		3791
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	3792	cf::server_tick; # one server iteration
2701		3793
2702	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;
2704
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	3796	Coro::async_pool {
		3797	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	3798	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	3799	or warn "ERROR: unable to write runtime file: $!";
2710	};
2711	}	3800	};
		3801	}
2712		3802
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	3804	$sig->send;
2724	}	3805	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	3806	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	3807	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	3808	}
2731	);	3809
		3810	$LOAD = ($NOW - $TICK_START) / $TICK;
		3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3812
		3813	if (0) {
		3814	if ($NEXT_TICK) {
		3815	my $jitter = $TICK_START - $NEXT_TICK;
		3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3817	warn "jitter $JITTER\n";#d#
		3818	}
		3819	}
		3820	}
2732		3821
2733	{	3822	{
2734	BDB::max_poll_time $TICK * 0.1;	3823	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	3824
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	3825	BDB::min_parallel 8;
2744		3826	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	3827	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		3828
2760	unless ($DB_ENV) {	3829	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	3830	$DB_ENV = BDB::db_env_create;
		3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3832	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3833	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3834	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3835	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		3836
2763	cf::sync_job {	3837	cf::sync_job {
2764	eval {	3838	eval {
2765	BDB::db_env_open	3839	BDB::db_env_open
2766	$DB_ENV,	3840	$DB_ENV,
2767	$BDB_ENV_DIR,	3841	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3842	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3843	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	3844	0666;
2771		3845
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3846	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	3847	};
2777		3848
2778	cf::cleanup "db_env_open(db): $@" if $@;	3849	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	3850	};
2780	}	3851	}
		3852
		3853	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3854	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3855	};
		3856	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3857	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3858	};
		3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3861	};
2781	}	3862	}
2782		3863
2783	{	3864	{
		3865	# configure IO::AIO
		3866
2784	IO::AIO::min_parallel 8;	3867	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	3868	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	3869	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	3870	}
		3871
		3872	my $_log_backtrace;
		3873
		3874	sub _log_backtrace {
		3875	my ($msg, @addr) = @_;
		3876
		3877	$msg =~ s/\n//;
		3878
		3879	# limit the # of concurrent backtraces
		3880	if ($_log_backtrace < 2) {
		3881	++$_log_backtrace;
		3882	async {
		3883	$Coro::current->{desc} = "abt $msg";
		3884
		3885	my @bt = fork_call {
		3886	@addr = map { sprintf "%x", $_ } @addr;
		3887	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3888	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3889	or die "addr2line: $!";
		3890
		3891	my @funcs;
		3892	my @res = <$fh>;
		3893	chomp for @res;
		3894	while (@res) {
		3895	my ($func, $line) = splice @res, 0, 2, ();
		3896	push @funcs, "[$func] $line";
		3897	}
		3898
		3899	@funcs
		3900	};
		3901
		3902	LOG llevInfo, "[ABT] $msg\n";
		3903	LOG llevInfo, "[ABT] $_\n" for @bt;
		3904	--$_log_backtrace;
		3905	};
		3906	} else {
		3907	LOG llevInfo, "[ABT] $msg\n";
		3908	LOG llevInfo, "[ABT] [suppressed]\n";
		3909	}
		3910	}
		3911
		3912	# load additional modules
		3913	use cf::pod;
2797		3914
2798	END { cf::emergency_save }	3915	END { cf::emergency_save }
2799		3916
2800	1	3917	1
2801		3918

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