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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 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 3.52 ();	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;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
26	use YAML::Syck ();	56	use YAML ();
27	use IO::AIO 2.32 ();	57	use IO::AIO ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
30		63
31	# configure various modules to our taste	64	# configure various modules to our taste
32	#	65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
33	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
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		74
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		76
45	our %COMMAND = ();	77	our %COMMAND = ();
46	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
47		79
48	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
52		85
53	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
54	our @EVENT;	87	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		88
57	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	90	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	107	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	113	our $DB_ENV;
67		114
68	our %CFG;	115	our %CFG;
69		116
70	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
72		120
73	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		124
82	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
85	binmode STDOUT;	133	binmode STDOUT;
86	binmode STDERR;	134	binmode STDERR;
87		135
88	# read virtual server time, if available	136	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
93	}	141	}
94		142
95	mkdir cf::localdir;	143	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		145
102	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
103		147
104	sub cf::map::normalise;	148	sub cf::map::normalise;
105		149
…		…
116	=item $cf::RUNTIME	160	=item $cf::RUNTIME
117		161
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	162	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	163	every server tick.
120		164
121	=item $cf::LIBDIR	165	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		166	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		167	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		168
123	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		171	unique-items directory, player file directory, random maps directory and
		172	database environment.
125		173
126	=item $cf::NOW	174	=item $cf::NOW
127		175
128	The time of the last (current) server tick.	176	The time of the last (current) server tick.
129		177
130	=item $cf::TICK	178	=item $cf::TICK
131		179
132	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
133		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
134	=item %cf::CFG	192	=item %cf::CFG
135		193
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	195	from wherever your confdir points to.
138		196
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		198
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	200	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
145		208
146	=back	209	=back
147		210
148	=cut	211	=cut
149		212
150	BEGIN {	213	BEGIN {
151	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	215	my $msg = join "", @_;
153	utf8::encode $msg;
154		216
155	$msg .= "\n"	217	$msg .= "\n"
156	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
157		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
158	LOG llevError, $msg;	222	LOG llevError, $msg;
159	};	223	};
160	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
161		240
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		248
169	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	250	# within the Safe compartment.
171	for my $pkg (qw(	251	for my $pkg (qw(
172	cf::global cf::attachable	252	cf::global cf::attachable
173	cf::object cf::object::player	253	cf::object cf::object::player
174	cf::client cf::player	254	cf::client cf::player
175	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
176	cf::map cf::party cf::region	257	cf::party cf::region
177	)) {	258	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	260	}
181		261
182	$Event::DIED = sub {	262	$EV::DIED = sub {
183	warn "error in event callback: @_";	263	warn "error in event callback: @_";
184	};	264	};
		265
		266	#############################################################################
185		267
186	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
187		269
188	=over 4	270	=over 4
189		271
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	291	$d
210	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
211	}	293	}
212		294
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
216		296
217	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
218		298
219	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
220		300
221	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
222		309
223	=item cf::lock_wait $string	310	=item cf::lock_wait $string
224		311
225	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
226		313
…		…
229	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
232	returned.	319	returned.
233		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
234	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
236		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
237	=cut	331	=cut
238		332
239	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
240		335
241	sub lock_wait($) {	336	sub lock_wait($) {
242	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
243		343
244	# wait for lock, if any	344	# wait for lock, if any
245	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	347	Coro::schedule;
…		…
253		353
254	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
255	lock_wait $key;	355	lock_wait $key;
256		356
257	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
258		359
259	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
262	}	364	}
263	}	365	}
264		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
265	sub freeze_mainloop {	373	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
267		375
268	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
270	};	437	}
271	$TICK_WATCHER->stop;	438	};
272	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
273	}	452	}
274		453
275	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
276		455
277	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		461
283	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
284		463
285	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
286		465
287	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
290		470
291	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
294	fast or be very important.	474	fast or be very important.
…		…
297		477
298	sub sync_job(&) {	478	sub sync_job(&) {
299	my ($job) = @_;	479	my ($job) = @_;
300		480
301	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
302	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
304		486
305	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	488
307	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
308		490
309	my $busy = 1;	491	my $busy = 1;
310	my @res;	492	my @res;
311		493
312	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	496	@res = eval { $job->() };
314	warn $@ if $@;	497	warn $@ if $@;
315	undef $busy;	498	undef $busy;
316	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
317		500
318	while ($busy) {	501	while ($busy) {
319	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
320	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
321		512
322	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
323	} else {	514	} else {
324	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
325		516
…		…
345	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
346		537
347	$coro	538	$coro
348	}	539	}
349		540
350	sub write_runtime {	541	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		542
353	my $runtime = cf::localdir . "/runtime";	543	Executes the given code block with the given arguments in a seperate
		544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
354		547
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	=cut
356	or return;
357		549
358	my $value = $cf::RUNTIME + 90 + 10;	550	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	551	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		552
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	# we seemingly have to make a local copy of the whole thing,
363	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
364		556
365	# always fsync - this file is important	557	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	558	reset_signals;
367	and return;	559	&$cb
		560	}, @args;
368		561
369	close $fh	562	wantarray ? @res : $res[-1]
370	or return;	563	}
371		564
372	aio_rename "$runtime~", $runtime	565	=item $coin = coin_from_name $name
373	and return;
374		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
375	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
376	}	717	}
377		718
378	=item cf::datalog type => key => value, ...	719	=item cf::datalog type => key => value, ...
379		720
380	Log a datalog packet of the given type with the given key-value pairs.	721	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		733
393	#############################################################################	734	#############################################################################
394		735
395	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
396		737
397	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
400		741
401	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	744	Deliantra).
404		745
405	=over 4	746	=over 4
406		747
407	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
408		749
…		…
452	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
453		794
454	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
456		797
457	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
459		800
460	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
461		802
462	=over 4	803	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
572		913
573	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		918
578	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	920	my $pkg = shift @arg;
580		921
581	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
611	}	952	}
612		953
613	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
614	} else {	955	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	957	}
617		958
618	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
619	}	960	}
620		961
…		…
622	if (ref $_[0]) {	963	if (ref $_[0]) {
623	_object_attach @_;	964	_object_attach @_;
624	} else {	965	} else {
625	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
626	}	967	}
		968	_recalc_want;
627	};	969	};
628		970
629	# all those should be optimised	971	# all those should be optimised
630	sub cf::attachable::detach {	972	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
635	reattach ($obj);	977	reattach ($obj);
636	} else {	978	} else {
637	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
638	}	980	}
		981	_recalc_want;
639	};	982	};
640		983
641	sub cf::attachable::attached {	984	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
643		986
…		…
658	";	1001	";
659	die if $@;	1002	die if $@;
660	}	1003	}
661		1004
662	our $override;	1005	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1007
665	sub override {	1008	sub override {
666	$override = 1;	1009	$override = 1;
667	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
668	}	1011	}
669		1012
670	sub do_invoke {	1013	sub do_invoke {
671	my $event = shift;	1014	my $event = shift;
672	my $callbacks = shift;	1015	my $callbacks = shift;
673		1016
674	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
675		1018
676	local $override;	1019	local $override;
677		1020
678	for (@$callbacks) {	1021	for (@$callbacks) {
679	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
688	}	1031	}
689		1032
690	0	1033	0
691	}	1034	}
692		1035
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1037
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1039
697	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
698		1041
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1045
703	=back	1046	=back
704		1047
705	=cut	1048	=cut
706		1049
707	#############################################################################	1050	#############################################################################
708	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
709		1094
710	sub reattach {	1095	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1097	my ($obj) = @_;
713		1098
		1099	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1101
716	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
717		1103
718	@$registry = ();	1104	@$registry = ();
719		1105
…		…
734	cf::attachable->attach (	1120	cf::attachable->attach (
735	prio => -1000000,	1121	prio => -1000000,
736	on_instantiate => sub {	1122	on_instantiate => sub {
737	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
738		1124
739	$data = from_json $data;	1125	$data = decode_json $data;
740		1126
741	for (@$data) {	1127	for (@$data) {
742	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
743		1129
744	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1146	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
762		1148
763	sync_job {	1149	sync_job {
764	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
767		1154
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1159	aio_close $fh;
773		1160
774	if (@$objs) {	1161	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1167	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
782	}	1169	}
783	} else {	1170	} else {
784	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
785	}	1172	}
…		…
790	}	1177	}
791	} else {	1178	} else {
792	aio_unlink $filename;	1179	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
794	}	1181	}
795	}	1182	};
796	}	1183	}
797		1184
798	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
800		1187
…		…
812	or return;	1199	or return;
813		1200
814	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
816	or return;	1203	or return;
		1204
817	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
818	}	1207	}
819		1208
		1209	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
822	return ($data, $av);	1213	($data, $av)
823	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
824		1221
825	#############################################################################	1222	#############################################################################
826	# command handling &c	1223	# command handling &c
827		1224
828	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1239	}
843		1240
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1242
846	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
847		1248
848	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
849	called.	1250	called.
850		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
851	=cut	1263	=cut
852		1264
853	sub register_extcmd {	1265	sub register_extcmd {
854	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
855		1267
856	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
857	}	1275	}
858		1276
859	cf::player->attach (	1277	cf::player->attach (
860	on_command => sub {	1278	on_command => sub {
861	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1288	cf::override;
871	},	1289	},
872	on_extcmd => sub {	1290	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
874		1292
875	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1294
877	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
883	} else {	1310	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1312	}
886		1313
887	cf::override;	1314	cf::override;
888	},	1315	},
889	);	1316	);
890		1317
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
926	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1323	next unless -r $path;
928	eval {	1324
929	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
930	1	1381	}
931	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
932	}	1387	};
933	}	1388	}
934		1389
935	#############################################################################	1390	#############################################################################
936		1391
		1392	=back
		1393
937	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
938		1395
939	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
940		1397
941	=cut	1398	=cut
942		1399
943	package cf::player;	1400	package cf::player;
944		1401
…		…
946		1403
947	=head3 cf::player	1404	=head3 cf::player
948		1405
949	=over 4	1406	=over 4
950		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
		1421
951	=item cf::player::find $login	1422	=item cf::player::find $login
952		1423
953	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
954		1425
955	=cut	1426	=cut
956		1427
957	sub playerdir($) {	1428	sub playerdir($) {
958	cf::localdir	1429	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1431	}
964		1432
965	sub path($) {	1433	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
997		1465
998	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
999	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1001	}	1475	}
1002	}	1476	}
1003	}	1477	}
1004		1478
…		…
1013	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1014		1488
1015	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1017		1491
		1492	cf::get_slot 0.01;
		1493
1018	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1019	Coro::cede;	1495	cf::cede_to_tick;
1020	}	1496	}
1021		1497
1022	sub new($) {	1498	sub new($) {
1023	my ($login) = @_;	1499	my ($login) = @_;
1024		1500
…		…
1030	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1031		1507
1032	$self	1508	$self
1033	}	1509	}
1034		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1035	=item $pl->quit_character	1521	=item $pl->quit_character
1036		1522
1037	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1039		1525
…		…
1043	my ($pl) = @_;	1529	my ($pl) = @_;
1044		1530
1045	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1046		1532
1047	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1048	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1049		1535
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1054		1542
1055	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1087		1575
1088	=cut	1576	=cut
1089		1577
1090	sub list_logins {	1578	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1580	or return [];
1093		1581
1094	my @logins;	1582	my @logins;
1095		1583
1096	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1100		1594
1101	utf8::decode $login;	1595	utf8::decode $login;
1102	push @logins, $login;	1596	push @logins, $login;
1103	}	1597	}
1104		1598
…		…
1131	}	1625	}
1132		1626
1133	\@paths	1627	\@paths
1134	}	1628	}
1135		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1136	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1137		1635
1138	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1139		1637
1140	=cut	1638	=cut
1141		1639
1142	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1144		1642
1145	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1644	}
1149		1645
1150	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1151		1647
1152	Sends an ext event to the client.	1648	Sends an ext event to the client.
1153		1649
1154	=cut	1650	=cut
1155		1651
1156	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1158		1654
1159	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1160	}	1656	}
1161		1657
1162	package cf;	1658	=head3 cf::region
		1659
		1660	=over 4
		1661
		1662	=cut
		1663
		1664	package cf::region;
		1665
		1666	=item cf::region::find_by_path $path
		1667
		1668	Tries to decuce the likely region for a map knowing only its path.
		1669
		1670	=cut
		1671
		1672	sub find_by_path($) {
		1673	my ($path) = @_;
		1674
		1675	my ($match, $specificity);
		1676
		1677	for my $region (list) {
		1678	if ($region->{match} && $path =~ $region->{match}) {
		1679	($match, $specificity) = ($region, $region->specificity)
		1680	if $region->specificity > $specificity;
		1681	}
		1682	}
		1683
		1684	$match
		1685	}
1163		1686
1164	=back	1687	=back
1165
1166		1688
1167	=head3 cf::map	1689	=head3 cf::map
1168		1690
1169	=over 4	1691	=over 4
1170		1692
…		…
1182	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1184		1706
1185	sub generate_random_map {	1707	sub generate_random_map {
1186	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1187	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1713	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1225	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1226		1751
1227	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1228	local $self->{path};	1753	local $self->{path};
1229	local $self->{load_path};	1754	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1755
1233	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1234	}	1757	}
1235		1758
1236	sub normalise {	1759	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1284	return $self;	1807	return $self;
1285	}	1808	}
1286	}	1809	}
1287		1810
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1812	()
1290	}	1813	}
1291		1814
1292	sub init {	1815	sub init {
1293	my ($self) = @_;	1816	my ($self) = @_;
…		…
1308		1831
1309	# the original (read-only) location	1832	# the original (read-only) location
1310	sub load_path {	1833	sub load_path {
1311	my ($self) = @_;	1834	my ($self) = @_;
1312		1835
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1314	}	1837	}
1315		1838
1316	# the temporary/swap location	1839	# the temporary/swap location
1317	sub save_path {	1840	sub save_path {
1318	my ($self) = @_;	1841	my ($self) = @_;
1319		1842
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1322	}	1845	}
1323		1846
1324	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1325	sub uniq_path {	1848	sub uniq_path {
1326	my ($self) = @_;	1849	my ($self) = @_;
1327		1850
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1330	}	1853	}
1331		1854
1332	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1333	# all maps in C++...	1856	# all maps in C++...
1334	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1336		1859
1337	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1339	}	1862	}
1340		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1341	sub unlink_save {	1872	sub unlink_save {
1342	my ($self) = @_;	1873	my ($self) = @_;
1343		1874
1344	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1348		1879
1349	sub load_header_from($) {	1880	sub load_header_from($) {
1350	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1351		1882
1352	utf8::encode $path;	1883	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1358		1892
1359	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1360		1894
1361	1	1895	1
1362	}	1896	}
…		…
1401	$self->load_header_orig	1935	$self->load_header_orig
1402	or return;	1936	or return;
1403	$self->prepare_orig;	1937	$self->prepare_orig;
1404	}	1938	}
1405		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1406	1	1946	1
1407	}	1947	}
1408		1948
1409	sub find;	1949	sub find;
1410	sub find {	1950	sub find {
1411	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1412		1952
1413	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1414		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1416		1957
1417	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1418	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1419	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1420	or return;	1963	or return;
1421		1964
1422	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1423		1966
1424	$map->load_header	1967	$map->load_header
1425	or return;	1968	or return;
1426		1969
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1430	$map->reset;	1975	$map->reset;
1431	undef $guard;
1432	return find $path;	1976	return find $path;
1433	}	1977	}
1434		1978
1435	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1436	}	1980	}
…		…
1443	my ($self) = @_;	1987	my ($self) = @_;
1444		1988
1445	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1446		1990
1447	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1448	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1449		1995
		1996	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		1998
1452	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1453		2000
1454	$self->alloc;	2001	$self->alloc;
1455		2002
1456	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1457		2005
1458	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1459	or return;	2009	or return;
1460		2010
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1462	if delete $self->{load_original};	2012	if delete $self->{load_original};
1463		2013
1464	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2015	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2018	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1469	}	2022	}
1470	}	2023	}
1471		2024
1472	Coro::cede;	2025	$f->resolve_delayed_derefs;
1473		2026
		2027	cf::cede_to_tick;
1474	# now do the right thing for maps	2028	# now do the right thing for maps
1475	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2031	unless $self->difficulty;
1485	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1486	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1487	}	2048	}
1488		2049
1489	$self->post_load;	2050	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2051	}
1493		2052
1494	sub customise_for {	2053	sub customise_for {
1495	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1496		2055
1497	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2057	if $self->per_player;
1499		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1500	$self	2062	$self
1501	}	2063	}
1502		2064
1503	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2066	sub load_neighbours {
1505	my ($map) = @_;	2067	my ($map) = @_;
1506		2068
1507	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1508		2070
1509	for (0 .. 3) {	2071	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1511	or next;	2073	or next;
1512	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1513	or next;	2075	or next;
1514	$neigh->load;	2076	$neigh->load;
1515		2077
		2078	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2081	}
1519		2082
1520	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1522	or next;	2086	or next;
1523	$neigh->load;	2087	$neigh->load;
1524	}	2088	}
1525	}	2089	}
1526		2090
…		…
1531	}	2095	}
1532		2096
1533	sub do_load_sync {	2097	sub do_load_sync {
1534	my ($map) = @_;	2098	my ($map) = @_;
1535		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1536	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1537	}	2104	}
1538		2105
1539	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1541		2108
1542	sub find_async {	2109	sub find_async {
1543	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1544		2111
1545	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1546		2113
1547	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2116	}
1550		2117
1551	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1552	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1553	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2125	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2126	$map->load if $v;
		2127	}
1558		2128
1559	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1560	}	2130	}
1561	}	2131	}
1562	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1563	};	2133	};
1564	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2137	}
1568		2138
1569	sub save {	2139	sub save {
1570	my ($self) = @_;	2140	my ($self) = @_;
1571		2141
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2143
1574	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1575		2145
1576	return unless $self->dirty;	2146	return unless $self->dirty;
1577		2147
…		…
1583	return if $self->{deny_save};	2153	return if $self->{deny_save};
1584		2154
1585	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1586		2156
1587	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1589	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1590		2163
1591	if ($uniq) {	2164	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2167	} else {
…		…
1600	my ($self) = @_;	2173	my ($self) = @_;
1601		2174
1602	# save first because save cedes	2175	# save first because save cedes
1603	$self->save;	2176	$self->save;
1604		2177
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2179
1607	return if $self->players;	2180	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1609	return if $self->{deny_save};	2182	return if $self->{deny_save};
1610		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2188	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2189	}
1614		2190
1615	sub reset_at {	2191	sub reset_at {
1616	my ($self) = @_;	2192	my ($self) = @_;
1617		2193
1618	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1621		2196
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2199
…		…
1635	my ($self) = @_;	2210	my ($self) = @_;
1636		2211
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2213
1639	return if $self->players;	2214	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2215
1642	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1643		2217
1644	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1645		2219
1646	# need to save uniques path	2220	# need to save uniques path
1647	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2225	if $uniq;
1652	}	2226	}
1653		2227
1654	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1655		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2232	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2233
1660	$self->unlink_save;	2234	$self->unlink_save;
1661	$self->destroy;	2235	$self->destroy;
1662	}	2236	}
1663		2237
1664	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1665		2239
1666	sub nuke {	2240	sub nuke {
1667	my ($self) = @_;	2241	my ($self) = @_;
1668		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1669	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1670		2247
1671	$self->unlink_save;	2248	$self->unlink_save;
1672		2249
1673	bless $self, "cf::map";	2250	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2255
1679	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1680		2258
1681	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1682	}	2296	}
1683		2297
1684	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1685		2299
1686	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2301	instantiated unique items. May block.
1688		2302
1689	=cut	2303	=cut
1690		2304
1691	sub unique_maps() {	2305	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1693	or return;	2307	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2308	utf8::decode $_;
1699	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2311	? ()
1702	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2314	]
1704
1705	\@paths
1706	}	2315	}
1707
1708	package cf;
1709		2316
1710	=back	2317	=back
1711		2318
1712	=head3 cf::object	2319	=head3 cf::object
1713		2320
…		…
1717		2324
1718	=over 4	2325	=over 4
1719		2326
1720	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1721		2328
1722	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1723		2331
1724	=cut	2332	=cut
1725		2333
1726	sub inv_recursive_;	2334	sub inv_recursive_;
1727	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1730		2338
1731	sub inv_recursive {	2339	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1733	}	2341	}
1734		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1735	package cf;	2371	package cf;
1736		2372
1737	=back	2373	=back
1738		2374
1739	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1745	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1747	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1748		2384
1749	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1750		2400
1751	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2402	# with dialog boxes.
1753	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1754	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1756		2406
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2408
1759	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1761	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1764	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1765	}	2434	}
1766		2435
1767	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1768		2437
1769	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1782		2451
1783	=item $player_object->enter_link	2452	=item $player_object->enter_link
1784		2453
1785	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1786		2455
1787	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1788	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1789		2460
1790	Will never block.	2461	Will never block.
1791		2462
1792	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1793		2464
…		…
1816	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1817		2488
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2490
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1822		2493
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2495	}
1825		2496
1826	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1828		2501
1829	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1830		2503
1831	unless ($map) {	2504	unless ($map) {
1832	# restore original map position	2505	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1849		2522
1850	$map->load;	2523	$map->load;
1851	$map->load_diag;	2524	$map->load_neighbours;
1852		2525
1853	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1854	$self->activate_recursive;	2528	$self->activate_recursive;
1855		2529
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1858	}	2532	}
1859		2533
1860	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2535
1864	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1868	};	2540	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2541
1874	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1875	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2544
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1895		2548
1896	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2554
1899	$self->enter_link;	2555	$self->enter_link;
1900		2556
1901	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1902	my $map = eval {	2579	my $map = eval {
1903	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1905	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2595	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1910	})->prio (1);	2603	})->prio (1);
1911	}	2604	}
1912		2605
1913	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1914		2607
…		…
1934	}	2627	}
1935		2628
1936	sub prepare_random_map {	2629	sub prepare_random_map {
1937	my ($exit) = @_;	2630	my ($exit) = @_;
1938		2631
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2634	# that depends on the exit object
1944		2635
1945	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2638	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1952	}	2645	}
1953		2646
1954	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1955		2648
1956	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1959		2652
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2655	undef $fh;
1963	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1964		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1967	}	2664	}
1968	}	2665	}
1969		2666
1970	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1972		2669
1973	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1974		2671
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2672	$self->enter_link;
1987		2673
1988	(async {	2674	(async {
1989	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1990	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
1991	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1992		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1993	1;	2698	1
1994	}) {	2699	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2704
2000	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2019		2724
2020	utf8::encode $text;	2725	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2727	}
2023		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
		2794	);
		2795
		2796	sub cf::client::send_msg {
		2797	my ($self, $channel, $msg, $color, @extra) = @_;
		2798
		2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
		2801
		2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2803
		2804	# check predefined channels, for the benefit of C
		2805	if ($CHANNEL{$channel}) {
		2806	$channel = $CHANNEL{$channel};
		2807
		2808	$self->ext_msg (channel_info => $channel)
		2809	if $self->can_msg;
		2810
		2811	$channel = $channel->{id};
		2812
		2813	} elsif (ref $channel) {
		2814	# send meta info to client, if not yet sent
		2815	unless (exists $self->{channel}{$channel->{id}}) {
		2816	$self->{channel}{$channel->{id}} = $channel;
		2817	$self->ext_msg (channel_info => $channel)
		2818	if $self->can_msg;
		2819	}
		2820
		2821	$channel = $channel->{id};
		2822	}
		2823
		2824	return unless @extra || length $msg;
		2825
		2826	if ($self->can_msg) {
		2827	# default colour, mask it out
		2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2829	if $color & cf::NDI_DEF;
		2830
		2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
		2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
		2847	} else {
		2848	if ($color >= 0) {
		2849	# replace some tags by gcfclient-compatible ones
		2850	for ($msg) {
		2851	1 while
		2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2857	}
		2858
		2859	$color &= cf::NDI_COLOR_MASK;
		2860
		2861	utf8::encode $msg;
		2862
		2863	if (0 && $msg =~ /\[/) {
		2864	# COMMAND/INFO
		2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2866	} else {
		2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2868	$self->send_packet ("drawinfo $color $msg")
		2869	}
		2870	}
		2871	}
		2872	}
		2873
2024	=item $client->ext_event ($type, %msg)	2874	=item $client->ext_msg ($type, @msg)
2025		2875
2026	Sends an exti event to the client.	2876	Sends an ext event to the client.
2027		2877
2028	=cut	2878	=cut
2029		2879
2030	sub cf::client::ext_event($$%) {	2880	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2881	my ($self, $type, @msg) = @_;
2032		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2885	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2886	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2888	}
		2889	}
		2890
		2891	=item $client->ext_reply ($msgid, @msg)
		2892
		2893	Sends an ext reply to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_reply($$@) {
		2898	my ($self, $id, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2902	} elsif ($self->extcmd == 1) {
		2903	#TODO: version 1, remove
		2904	unshift @msg, msgtype => "reply", msgid => $id;
		2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2906	}
2035	}	2907	}
2036		2908
2037	=item $success = $client->query ($flags, "text", \&cb)	2909	=item $success = $client->query ($flags, "text", \&cb)
2038		2910
2039	Queues a query to the client, calling the given callback with	2911	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2914
2043	Queries can fail, so check the return code. Or don't, as queries will become	2915	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2916	become reliable at some point in the future.
2045		2917
2046	=cut	2918	=cut
2047		2919
2048	sub cf::client::query {	2920	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2921	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2929	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2931
2060	$self->send_packet ($self->{query_queue}[0][0])	2932	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2933	if @{ $self->{query_queue} } == 1;
		2934
		2935	1
2062	}	2936	}
2063		2937
2064	cf::client->attach (	2938	cf::client->attach (
		2939	on_connect => sub {
		2940	my ($ns) = @_;
		2941
		2942	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2943	},
2065	on_reply => sub {	2944	on_reply => sub {
2066	my ($ns, $msg) = @_;	2945	my ($ns, $msg) = @_;
2067		2946
2068	# this weird shuffling is so that direct followup queries	2947	# this weird shuffling is so that direct followup queries
2069	# get handled first	2948	# get handled first
…		…
2081	} else {	2960	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2961	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2962	}
2084	}	2963	}
2085	},	2964	},
		2965	on_exticmd => sub {
		2966	my ($ns, $buf) = @_;
		2967
		2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2969
		2970	if (ref $msg) {
		2971	my ($type, $reply, @payload) =
		2972	"ARRAY" eq ref $msg
		2973	? @$msg
		2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2975
		2976	my @reply;
		2977
		2978	if (my $cb = $EXTICMD{$type}) {
		2979	@reply = $cb->($ns, @payload);
		2980	}
		2981
		2982	$ns->ext_reply ($reply, @reply)
		2983	if $reply;
		2984
		2985	} else {
		2986	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2987	}
		2988
		2989	cf::override;
		2990	},
2086	);	2991	);
2087		2992
2088	=item $client->async (\&cb)	2993	=item $client->async (\&cb)
2089		2994
2090	Create a new coroutine, running the specified callback. The coroutine will	2995	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3036	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3037	our $safe_hole = new Safe::Hole;
2133		3038
2134	$SIG{FPE} = 'IGNORE';	3039	$SIG{FPE} = 'IGNORE';
2135		3040
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3041	$safe->permit_only (Opcode::opset qw(
		3042	:base_core :base_mem :base_orig :base_math
		3043	grepstart grepwhile mapstart mapwhile
		3044	sort time
		3045	));
2137		3046
2138	# here we export the classes and methods available to script code	3047	# here we export the classes and methods available to script code
2139		3048
2140	=pod	3049	=pod
2141		3050
2142	The following functions and methods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2143		3052
2144	cf::object contr pay_amount pay_player map	3053	cf::object
		3054	contr pay_amount pay_player map x y force_find force_add destroy
		3055	insert remove name archname title slaying race decrease split
		3056
2145	cf::object::player player	3057	cf::object::player
2146	cf::player peaceful	3058	player
2147	cf::map trigger	3059
		3060	cf::player
		3061	peaceful
		3062
		3063	cf::map
		3064	trigger
2148		3065
2149	=cut	3066	=cut
2150		3067
2151	for (	3068	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3070	insert remove inv nrof name archname title slaying race
		3071	decrease split destroy change_exp)],
2153	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2156	) {	3075	) {
2157	no strict 'refs';	3076	no strict 'refs';
…		…
2228	=back	3147	=back
2229		3148
2230	=cut	3149	=cut
2231		3150
2232	#############################################################################	3151	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3152	# the server's init and main functions
2306		3153
2307	sub load_facedata {	3154	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3155	my ($path) = @_;
		3156
		3157	# HACK to clear player env face cache, we need some signal framework
		3158	# for this (global event?)
		3159	%ext::player_env::MUSIC_FACE_CACHE = ();
		3160
		3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3162
2310	warn "loading facedata from $path\n";	3163	warn "loading facedata from $path\n";
2311		3164
2312	my $facedata;	3165	my $facedata;
2313	0 < aio_load $path, $facedata	3166	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3167	or die "$path: $!";
2315		3168
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	3169	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3170
2320	$facedata->{version} == 2	3171	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3172	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3173
		3174	# patch in the exptable
		3175	$facedata->{resource}{"res/exp_table"} = {
		3176	type => FT_RSRC,
		3177	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3178	};
		3179	cf::cede_to_tick;
		3180
2323	{	3181	{
2324	my $faces = $facedata->{faceinfo};	3182	my $faces = $facedata->{faceinfo};
2325		3183
2326	while (my ($face, $info) = each %$faces) {	3184	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3187	cf::face::set_visibility $idx, $info->{visibility};
		3188	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3191
		3192	cf::cede_to_tick;
2332	}	3193	}
2333		3194
2334	while (my ($face, $info) = each %$faces) {	3195	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3196	next unless $info->{smooth};
		3197
2336	my $idx = cf::face::find $face	3198	my $idx = cf::face::find $face
2337	or next;	3199	or next;
		3200
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3201	if (my $smooth = cf::face::find $info->{smooth}) {
		3202	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3204	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3206	}
2343	Coro::cede;	3207
		3208	cf::cede_to_tick;
2344	}	3209	}
2345	}	3210	}
2346		3211
2347	{	3212	{
2348	my $anims = $facedata->{animinfo};	3213	my $anims = $facedata->{animinfo};
2349		3214
2350	while (my ($anim, $info) = each %$anims) {	3215	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3216	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3217	cf::cede_to_tick;
2353	}	3218	}
2354		3219
2355	cf::anim::invalidate_all; # d'oh	3220	cf::anim::invalidate_all; # d'oh
2356	}	3221	}
2357		3222
		3223	{
		3224	# TODO: for gcfclient pleasure, we should give resources
		3225	# that gcfclient doesn't grok a >10000 face index.
		3226	my $res = $facedata->{resource};
		3227
		3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
		3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3231	my $data;
		3232
		3233	if ($info->{type} & 1) {
		3234	# prepend meta info
		3235
		3236	my $meta = $enc->encode ({
		3237	name => $name,
		3238	%{ $info->{meta} || {} },
		3239	});
		3240
		3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
		3248	} else {
		3249	$RESOURCE{$name} = $info;
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3257
2358	1	3258	1
2359	}	3259	}
2360		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
		3280
		3281	register_exticmd fx_want => sub {
		3282	my ($ns, $want) = @_;
		3283
		3284	while (my ($k, $v) = each %$want) {
		3285	$ns->fx_want ($k, $v);
		3286	}
		3287	};
		3288
		3289	sub load_resource_file($) {
		3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
		3298
		3299	sub reload_regions {
		3300	# HACK to clear player env face cache, we need some signal framework
		3301	# for this (global event?)
		3302	%ext::player_env::MUSIC_FACE_CACHE = ();
		3303
		3304	load_resource_file "$MAPDIR/regions"
		3305	or die "unable to load regions file\n";
		3306
		3307	for (cf::region::list) {
		3308	$_->{match} = qr/$_->{match}/
		3309	if exists $_->{match};
		3310	}
		3311	}
		3312
		3313	sub reload_facedata {
		3314	load_facedata "$DATADIR/facedata"
		3315	or die "unable to load facedata\n";
		3316	}
		3317
		3318	sub reload_archetypes {
		3319	load_resource_file "$DATADIR/archetypes"
		3320	or die "unable to load archetypes\n";
		3321	}
		3322
		3323	sub reload_treasures {
		3324	load_resource_file "$DATADIR/treasures"
		3325	or die "unable to load treasurelists\n";
		3326	}
		3327
2361	sub reload_resources {	3328	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3329	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3330
2364	load_facedata	3331	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3332	reload_archetypes;
		3333	reload_regions;
		3334	reload_treasures;
		3335
		3336	warn "finished reloading resource files\n";
2366	}	3337	}
2367		3338
2368	sub init {	3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
2369	reload_resources;	3344	reload_resources;
2370	}	3345	}
2371		3346
2372	sub cfg_load {	3347	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3349	or return;
2375		3350
2376	local $/;	3351	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2378		3353
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3355
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2388	};	3363	};
2389	warn $@ if $@;	3364	warn $@ if $@;
2390	}	3365	}
2391	}	3366	}
2392		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2393	sub main {	3387	sub main {
		3388	atomic;
		3389
2394	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3393	(async {
2398	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
2400	};	3397	};
2401		3398
2402	cfg_load;	3399	{
		3400	my $guard = freeze_mainloop;
		3401	reload_config;
2403	db_init;	3402	db_init;
2404	load_extensions;	3403	load_extensions;
2405		3404
2406	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
2407	Event::loop;	3413	EV::loop;
2408	}	3414	}
2409		3415
2410	#############################################################################	3416	#############################################################################
2411	# initialisation and cleanup	3417	# initialisation and cleanup
2412		3418
2413	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
2414	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
2423	},
2424	);	3425	};
		3426	}
		3427	}
		3428
		3429	sub write_runtime_sync {
		3430	# first touch the runtime file to show we are still running:
		3431	# the fsync below can take a very very long time.
		3432
		3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3434
		3435	my $guard = cf::lock_acquire "write_runtime";
		3436
		3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3438	or return;
		3439
		3440	my $value = $cf::RUNTIME + 90 + 10;
		3441	# 10 is the runtime save interval, for a monotonic clock
		3442	# 60 allows for the watchdog to kill the server.
		3443
		3444	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3445	and return;
		3446
		3447	# always fsync - this file is important
		3448	aio_fsync $fh
		3449	and return;
		3450
		3451	# touch it again to show we are up-to-date
		3452	aio_utime $fh, undef, undef;
		3453
		3454	close $fh
		3455	or return;
		3456
		3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3458	and return;
		3459
		3460	warn "runtime file written.\n";
		3461
2425	}	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2426	}	3506	}
2427		3507
2428	sub emergency_save() {	3508	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2430		3510
…		…
2436	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3522	$pl->save;
2442	}	3523	}
2443	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2444		3525
2445	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2451	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
2452		3533
2453	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2456	};	3541	};
2457		3542
2458	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2459	}	3544	}
2460		3545
2461	sub post_cleanup {	3546	sub post_cleanup {
2462	my ($make_core) = @_;	3547	my ($make_core) = @_;
2463		3548
2464	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3550	if $make_core;
2466	}
2467		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
		3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
		3583
2468	sub reload() {	3584	sub do_reload_perl() {
2469	# can/must only be called in main	3585	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2472	return;	3588	return;
2473	}	3589	}
2474		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
2475	warn "reloading...";	3594	warn "reloading...";
2476		3595
2477	warn "entering sync_job";	3596	warn "entering sync_job";
2478		3597
2479	cf::sync_job {	3598	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3599	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3600	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3601	cf::write_runtime_sync; # external watchdog should not bark
2483		3602
2484	warn "syncing database to disk";	3603	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3605
2487	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
2488		3607
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3609	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3611	}
2525		3612
2526	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
2528	}	3615	%EXT_CORO = ();
2529		3616
2530	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3626	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3627
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
2541	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
2542	}	3637	}
2543		3638
2544	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
2545	}	3654	}
2546		3655
2547	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3659
2551	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
		3662	delete $INC{"cf/pod.pm"};
2553		3663
2554	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3665	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
2557		3667
2558	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
2559		3669
2560	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
2561	require cf;	3671	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3673
2564	warn "loading config and database again";	3674	warn "loading config and database again";
2565	cf::cfg_load;	3675	cf::reload_config;
2566		3676
2567	warn "loading extensions";	3677	warn "loading extensions";
2568	cf::load_extensions;	3678	cf::load_extensions;
2569		3679
2570	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3681	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3684	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3685	reattach $_ for values %PLAYER;
2576		3686
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3687	warn "leaving sync_job";
2581		3688
2582	1	3689	1
2583	} or do {	3690	} or do {
2584	warn $@;	3691	warn $@;
2585	warn "error while reloading, exiting.";	3692	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3693	};
		3694
		3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
		3698	};
		3699
		3700	our $RELOAD_WATCHER; # used only during reload
		3701
		3702	sub reload_perl() {
		3703	# doing reload synchronously and two reloads happen back-to-back,
		3704	# coro crashes during coro_state_free->destroy here.
		3705
		3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3707	do_reload_perl;
		3708	undef $RELOAD_WATCHER;
2587	};	3709	};
2588		3710	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3711
2594	register_command "reload" => sub {	3712	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
2596		3714
2597	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
2599		3717	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3718	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3719	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3720	};
2612	}	3721	}
2613	};	3722	};
2614		3723
2615	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
2616		3725
2617	my $bug_warning = 0;	3726	my $bug_warning = 0;
2618		3727
2619	$TICK_WATCHER = Event->timer (	3728	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3729	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3730
2622	prio => 0,	3731	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3732	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3733
2625	cb => sub {	3734	my $signal = new Coro::Signal;
		3735	push @WAIT_FOR_TICK, $signal;
		3736	$signal->wait;
		3737	}
		3738
		3739	sub wait_for_tick_begin {
		3740	return if tick_inhibit || $Coro::current == $Coro::main;
		3741
		3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK_BEGIN, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub tick {
2626	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
2629	return;	3751	return;
2630	}	3752	}
2631		3753
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3755
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3758	Coro::async_pool {
		3759	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3760	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3761	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3762	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3763	}
2658	);	3764
		3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3766	$sig->send;
		3767	}
		3768	while (my $sig = shift @WAIT_FOR_TICK) {
		3769	$sig->send;
		3770	}
		3771
		3772	$LOAD = ($NOW - $TICK_START) / $TICK;
		3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3774
		3775	if (0) {
		3776	if ($NEXT_TICK) {
		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
		3781	}
		3782	}
2659		3783
2660	{	3784	{
2661	BDB::max_poll_time $TICK * 0.1;	3785	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3786
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
2671		3788	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3789	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3790
2687	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3792	$DB_ENV = BDB::db_env_create;
		3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3798
2690	cf::sync_job {	3799	cf::sync_job {
2691	eval {	3800	eval {
2692	BDB::db_env_open	3801	BDB::db_env_open
2693	$DB_ENV,	3802	$DB_ENV,
2694	$BDB_ENV_DIR,	3803	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3806	0666;
2698		3807
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3809	};
2704		3810
2705	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3812	};
2707	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
2708	}	3824	}
2709		3825
2710	{	3826	{
		3827	# configure IO::AIO
		3828
2711	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3832	}
		3833
		3834	my $_log_backtrace;
		3835
		3836	sub _log_backtrace {
		3837	my ($msg, @addr) = @_;
		3838
		3839	$msg =~ s/\n//;
		3840
		3841	# limit the # of concurrent backtraces
		3842	if ($_log_backtrace < 2) {
		3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
		3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
		3848	my @bt = fork_call {
		3849	@addr = map { sprintf "%x", $_ } @addr;
		3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3851	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3852	or die "addr2line: $!";
		3853
		3854	my @funcs;
		3855	my @res = <$fh>;
		3856	chomp for @res;
		3857	while (@res) {
		3858	my ($func, $line) = splice @res, 0, 2, ();
		3859	push @funcs, "[$func] $line";
		3860	}
		3861
		3862	@funcs
		3863	};
		3864
		3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
		3873	}
		3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2724		3878
2725	END { cf::emergency_save }	3879	END { cf::emergency_save }
2726		3880
2727	1	3881	1
2728		3882

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