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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC vs.
Revision 1.447 by root, Fri Sep 19 01:39:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.61 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
21	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
22		50
		51	use JSON::XS 2.01 ();
23	use BDB ();	52	use BDB ();
24	use Data::Dumper;	53	use Data::Dumper;
25	use Digest::MD5;	54	use Digest::MD5;
26	use Fcntl;	55	use Fcntl;
27	use YAML::Syck ();	56	use YAML ();
28	use IO::AIO 2.32 ();	57	use IO::AIO ();
29	use Time::HiRes;	58	use Time::HiRes;
30	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
31		63
32	# configure various modules to our taste	64	# configure various modules to our taste
33	#	65	#
34	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		69
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		71
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		73
47	our %COMMAND = ();	74	our %COMMAND = ();
48	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
49		76
50	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
54		82
55	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
56	our @EVENT;	84	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	85
		86	our $CONFDIR = confdir;
		87	our $DATADIR = datadir;
		88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
58		101
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	104	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	110	our $DB_ENV;
69		111
70	our %CFG;	112	our %CFG;
71		113
72	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
74		117
75	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		121
81	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		124
		125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
		128	our $TICK_START; # for load detecting purposes
		129
84	binmode STDOUT;	130	binmode STDOUT;
85	binmode STDERR;	131	binmode STDERR;
86		132
87	# read virtual server time, if available	133	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	135	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
92	}	138	}
93		139
94	mkdir cf::localdir;	140	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		142
101	our $EMERGENCY_POSITION;	143	our $EMERGENCY_POSITION;
102		144
103	sub cf::map::normalise;	145	sub cf::map::normalise;
104		146
…		…
115	=item $cf::RUNTIME	157	=item $cf::RUNTIME
116		158
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	159	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	160	every server tick.
119		161
120	=item $cf::LIBDIR	162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		165
122	The perl library directory, where extensions and cf-specific modules can	166	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		168	unique-items directory, player file directory, random maps directory and
		169	database environment.
124		170
125	=item $cf::NOW	171	=item $cf::NOW
126		172
127	The time of the last (current) server tick.	173	The time of the last (current) server tick.
128		174
129	=item $cf::TICK	175	=item $cf::TICK
130		176
131	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
132		178
		179	=item $cf::LOADAVG
		180
		181	The current CPU load on the server (alpha-smoothed), as a value between 0
		182	(none) and 1 (overloaded), indicating how much time is spent on processing
		183	objects per tick. Healthy values are < 0.5.
		184
		185	=item $cf::LOAD
		186
		187	The raw value load value from the last tick.
		188
133	=item %cf::CFG	189	=item %cf::CFG
134		190
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	192	from wherever your confdir points to.
137		193
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		195
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	197	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
		205
144	=back	206	=back
145		207
146	=cut	208	=cut
147		209
148	BEGIN {	210	BEGIN {
149	*CORE::GLOBAL::warn = sub {	211	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	212	my $msg = join "", @_;
151	utf8::encode $msg;
152		213
153	$msg .= "\n"	214	$msg .= "\n"
154	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
155		216
		217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		218
156	LOG llevError, $msg;	219	LOG llevError, $msg;
157	};	220	};
158	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
159		237
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		245
167	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	247	# within the Safe compartment.
169	for my $pkg (qw(	248	for my $pkg (qw(
170	cf::global cf::attachable	249	cf::global cf::attachable
171	cf::object cf::object::player	250	cf::object cf::object::player
172	cf::client cf::player	251	cf::client cf::player
173	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
174	cf::map cf::party cf::region	254	cf::party cf::region
175	)) {	255	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	257	}
179		258
180	$Event::DIED = sub {	259	$EV::DIED = sub {
181	warn "error in event callback: @_";	260	warn "error in event callback: @_";
182	};	261	};
		262
		263	#############################################################################
183		264
184	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
185		266
186	=over 4	267	=over 4
187		268
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	288	$d
208	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
209	}	290	}
210		291
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
214		293
215	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
216		295
217	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
218		297
219	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
		299
		300	=cut
		301
		302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		303
		304	sub encode_json($) { $json_coder->encode ($_[0]) }
		305	sub decode_json($) { $json_coder->decode ($_[0]) }
220		306
221	=item cf::lock_wait $string	307	=item cf::lock_wait $string
222		308
223	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
224		310
…		…
227	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
230	returned.	316	returned.
231		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
232	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
234		323
		324	=item $locked = cf::lock_active $string
		325
		326	Return true if the lock is currently active, i.e. somebody has locked it.
		327
235	=cut	328	=cut
236		329
237	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
238		332
239	sub lock_wait($) {	333	sub lock_wait($) {
240	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
241		340
242	# wait for lock, if any	341	# wait for lock, if any
243	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	344	Coro::schedule;
…		…
251		350
252	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
253	lock_wait $key;	352	lock_wait $key;
254		353
255	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
256		356
257	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
260	}	361	}
261	}	362	}
262		363
		364	sub lock_active($) {
		365	my ($key) = @_;
		366
		367	! ! $LOCK{$key}
		368	}
		369
263	sub freeze_mainloop {	370	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
265		372
266	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
268	};	434	}
269	$TICK_WATCHER->stop;	435	};
270	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
271	}	449	}
272		450
273	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
274		452
275	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		458
281	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
282		460
283	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
284		462
285	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
288		467
289	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
292	fast or be very important.	471	fast or be very important.
…		…
295		474
296	sub sync_job(&) {	475	sub sync_job(&) {
297	my ($job) = @_;	476	my ($job) = @_;
298		477
299	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
300	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
302		483
303	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	485
305	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
306		487
307	my $busy = 1;	488	my $busy = 1;
308	my @res;	489	my @res;
309		490
310	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	493	@res = eval { $job->() };
312	warn $@ if $@;	494	warn $@ if $@;
313	undef $busy;	495	undef $busy;
314	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
315		497
316	while ($busy) {	498	while ($busy) {
317	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
318	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
319		509
320	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
321	} else {	511	} else {
322	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
323		513
…		…
343	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
344		534
345	$coro	535	$coro
346	}	536	}
347		537
348	sub write_runtime {	538	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		539
351	my $runtime = cf::localdir . "/runtime";	540	Executes the given code block with the given arguments in a seperate
		541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
352		544
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	=cut
354	or return;
355		546
356	my $value = $cf::RUNTIME + 90 + 10;	547	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	548	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		549
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	# we seemingly have to make a local copy of the whole thing,
361	and return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
362		553
363	# always fsync - this file is important	554	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	555	reset_signals;
365	and return;	556	&$cb
		557	}, @args;
366		558
367	close $fh	559	wantarray ? @res : $res[-1]
368	or return;	560	}
369		561
370	aio_rename "$runtime~", $runtime	562	=item $coin = coin_from_name $name
371	and return;
372		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
		589	=item $value = cf::db_get $family => $key
		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
373	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
374	}	714	}
375		715
376	=item cf::datalog type => key => value, ...	716	=item cf::datalog type => key => value, ...
377		717
378	Log a datalog packet of the given type with the given key-value pairs.	718	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		730
391	#############################################################################	731	#############################################################################
392		732
393	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
394		734
395	Many objects in crossfire are so-called attachable objects. That means you can	735	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
398		738
399	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	741	Deliantra).
402		742
403	=over 4	743	=over 4
404		744
405	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
406		746
…		…
450	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
451		791
452	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
454		794
455	Some classes such as crossfire maps and objects can specify attachments	795	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	796	that are attached at load/instantiate time, thus the need for a name.
457		797
458	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
459		799
460	=over 4	800	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
570		910
571	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		915
576	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	917	my $pkg = shift @arg;
578		918
579	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
609	}	949	}
610		950
611	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
612	} else {	952	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	954	}
615		955
616	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
617	}	957	}
618		958
…		…
620	if (ref $_[0]) {	960	if (ref $_[0]) {
621	_object_attach @_;	961	_object_attach @_;
622	} else {	962	} else {
623	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
624	}	964	}
		965	_recalc_want;
625	};	966	};
626		967
627	# all those should be optimised	968	# all those should be optimised
628	sub cf::attachable::detach {	969	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
633	reattach ($obj);	974	reattach ($obj);
634	} else {	975	} else {
635	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
636	}	977	}
		978	_recalc_want;
637	};	979	};
638		980
639	sub cf::attachable::attached {	981	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
641		983
…		…
656	";	998	";
657	die if $@;	999	die if $@;
658	}	1000	}
659		1001
660	our $override;	1002	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1004
663	sub override {	1005	sub override {
664	$override = 1;	1006	$override = 1;
665	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
666	}	1008	}
667		1009
668	sub do_invoke {	1010	sub do_invoke {
669	my $event = shift;	1011	my $event = shift;
670	my $callbacks = shift;	1012	my $callbacks = shift;
671		1013
672	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
673		1015
674	local $override;	1016	local $override;
675		1017
676	for (@$callbacks) {	1018	for (@$callbacks) {
677	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
686	}	1028	}
687		1029
688	0	1030	0
689	}	1031	}
690		1032
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1034
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1036
695	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
696		1038
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1042
701	=back	1043	=back
702		1044
703	=cut	1045	=cut
704		1046
705	#############################################################################	1047	#############################################################################
706	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
707		1091
708	sub reattach {	1092	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1094	my ($obj) = @_;
711		1095
		1096	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1098
714	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
715		1100
716	@$registry = ();	1101	@$registry = ();
717		1102
…		…
732	cf::attachable->attach (	1117	cf::attachable->attach (
733	prio => -1000000,	1118	prio => -1000000,
734	on_instantiate => sub {	1119	on_instantiate => sub {
735	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
736		1121
737	$data = from_json $data;	1122	$data = decode_json $data;
738		1123
739	for (@$data) {	1124	for (@$data) {
740	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
741		1126
742	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1143	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
760		1145
761	sync_job {	1146	sync_job {
762	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
765		1151
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1156	aio_close $fh;
771		1157
772	if (@$objs) {	1158	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1164	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
780	}	1166	}
781	} else {	1167	} else {
782	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
783	}	1169	}
…		…
788	}	1174	}
789	} else {	1175	} else {
790	aio_unlink $filename;	1176	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
792	}	1178	}
793	}	1179	};
794	}	1180	}
795		1181
796	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
798		1184
…		…
810	or return;	1196	or return;
811		1197
812	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
814	or return;	1200	or return;
		1201
815	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
816	}	1204	}
817		1205
		1206	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
820	return ($data, $av);	1210	($data, $av)
821	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
822		1218
823	#############################################################################	1219	#############################################################################
824	# command handling &c	1220	# command handling &c
825		1221
826	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1236	}
841		1237
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1239
844	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
845		1245
846	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
847	called.	1247	called.
848		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
849	=cut	1260	=cut
850		1261
851	sub register_extcmd {	1262	sub register_extcmd {
852	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
853		1264
854	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
855	}	1272	}
856		1273
857	cf::player->attach (	1274	cf::player->attach (
858	on_command => sub {	1275	on_command => sub {
859	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1285	cf::override;
869	},	1286	},
870	on_extcmd => sub {	1287	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
872		1289
873	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1291
875	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
881	} else {	1307	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1309	}
884		1310
885	cf::override;	1311	cf::override;
886	},	1312	},
887	);	1313	);
888		1314
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
924	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1320	next unless -r $path;
926	eval {	1321
927	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
928	1	1378	}
929	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
930	}	1384	};
931	}	1385	}
932		1386
933	#############################################################################	1387	#############################################################################
934		1388
		1389	=back
		1390
935	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
936		1392
937	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
938		1394
939	=cut	1395	=cut
940		1396
941	package cf::player;	1397	package cf::player;
942		1398
…		…
944		1400
945	=head3 cf::player	1401	=head3 cf::player
946		1402
947	=over 4	1403	=over 4
948		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
		1418
949	=item cf::player::find $login	1419	=item cf::player::find $login
950		1420
951	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
952		1422
953	=cut	1423	=cut
954		1424
955	sub playerdir($) {	1425	sub playerdir($) {
956	cf::localdir	1426	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1427	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1428	}
962		1429
963	sub path($) {	1430	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1431	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
995		1462
996	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
997	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
999	}	1472	}
1000	}	1473	}
1001	}	1474	}
1002		1475
…		…
1011	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1012		1485
1013	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1015		1488
		1489	cf::get_slot 0.01;
		1490
1016	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1017	Coro::cede;	1492	cf::cede_to_tick;
1018	}	1493	}
1019		1494
1020	sub new($) {	1495	sub new($) {
1021	my ($login) = @_;	1496	my ($login) = @_;
1022		1497
…		…
1028	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1029		1504
1030	$self	1505	$self
1031	}	1506	}
1032		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1033	=item $pl->quit_character	1518	=item $pl->quit_character
1034		1519
1035	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1037		1522
…		…
1041	my ($pl) = @_;	1526	my ($pl) = @_;
1042		1527
1043	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1044		1529
1045	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1532
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1052		1539
1053	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1571	while and may block, so not sync_job-capable, ever.
1085		1572
1086	=cut	1573	=cut
1087		1574
1088	sub list_logins {	1575	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1576	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1577	or return [];
1091		1578
1092	my @logins;	1579	my @logins;
1093		1580
1094	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1098		1591
1099	utf8::decode $login;	1592	utf8::decode $login;
1100	push @logins, $login;	1593	push @logins, $login;
1101	}	1594	}
1102		1595
…		…
1129	}	1622	}
1130		1623
1131	\@paths	1624	\@paths
1132	}	1625	}
1133		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1628
		1629	Expand deliantra pod fragments into protocol xml.
		1630
1134	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1135		1632
1136	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1137		1634
1138	=cut	1635	=cut
1139		1636
1140	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1142		1639
1143	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1641	}
1147		1642
1148	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1149		1644
1150	Sends an ext event to the client.	1645	Sends an ext event to the client.
1151		1646
1152	=cut	1647	=cut
1153		1648
1154	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1156		1651
1157	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1158	}	1653	}
1159		1654
1160	=head3 cf::region	1655	=head3 cf::region
1161		1656
1162	=over 4	1657	=over 4
…		…
1165		1660
1166	package cf::region;	1661	package cf::region;
1167		1662
1168	=item cf::region::find_by_path $path	1663	=item cf::region::find_by_path $path
1169		1664
1170	Tries to decuce the probable region for a map knowing only its path.	1665	Tries to decuce the likely region for a map knowing only its path.
1171		1666
1172	=cut	1667	=cut
1173		1668
1174	sub find_by_path($) {	1669	sub find_by_path($) {
1175	my ($path) = @_;	1670	my ($path) = @_;
1176		1671
1177	my ($match, $specificity);	1672	my ($match, $specificity);
1178		1673
1179	for my $region (list) {	1674	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1183	}	1678	}
1184	}	1679	}
1185		1680
…		…
1206	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1208		1703
1209	sub generate_random_map {	1704	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1211	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1710	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1250		1748
1251	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1252	local $self->{path};	1750	local $self->{path};
1253	local $self->{load_path};	1751	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1752
1257	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1258	}	1754	}
1259		1755
1260	sub normalise {	1756	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1308	return $self;	1804	return $self;
1309	}	1805	}
1310	}	1806	}
1311		1807
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1809	()
1314	}	1810	}
1315		1811
1316	sub init {	1812	sub init {
1317	my ($self) = @_;	1813	my ($self) = @_;
…		…
1332		1828
1333	# the original (read-only) location	1829	# the original (read-only) location
1334	sub load_path {	1830	sub load_path {
1335	my ($self) = @_;	1831	my ($self) = @_;
1336		1832
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1833	"$MAPDIR/$self->{path}.map"
1338	}	1834	}
1339		1835
1340	# the temporary/swap location	1836	# the temporary/swap location
1341	sub save_path {	1837	sub save_path {
1342	my ($self) = @_;	1838	my ($self) = @_;
1343		1839
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1841	"$TMPDIR/$path.map"
1346	}	1842	}
1347		1843
1348	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1349	sub uniq_path {	1845	sub uniq_path {
1350	my ($self) = @_;	1846	my ($self) = @_;
1351		1847
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1849	"$UNIQUEDIR/$path"
1354	}	1850	}
1355		1851
1356	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1357	# all maps in C++...	1853	# all maps in C++...
1358	sub change_all_map_light {	1854	sub change_all_map_light {
…		…
1360		1856
1361	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1363	}	1859	}
1364		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1365	sub unlink_save {	1869	sub unlink_save {
1366	my ($self) = @_;	1870	my ($self) = @_;
1367		1871
1368	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1876
1373	sub load_header_from($) {	1877	sub load_header_from($) {
1374	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1375		1879
1376	utf8::encode $path;	1880	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1382		1889
1383	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1384		1891
1385	1	1892	1
1386	}	1893	}
…		…
1425	$self->load_header_orig	1932	$self->load_header_orig
1426	or return;	1933	or return;
1427	$self->prepare_orig;	1934	$self->prepare_orig;
1428	}	1935	}
1429		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
1430	$self->default_region (cf::region::find_by_path $self->{path})	1940	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1941	unless $self->default_region;
1432		1942
1433	1	1943	1
1434	}	1944	}
…		…
1437	sub find {	1947	sub find {
1438	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1439		1949
1440	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1441		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1443		1954
1444	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1446	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1447	or return;	1960	or return;
1448		1961
1449	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1450		1963
1451	$map->load_header	1964	$map->load_header
1452	or return;	1965	or return;
1453		1966
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1457	$map->reset;	1972	$map->reset;
1458	undef $guard;
1459	return find $path;	1973	return find $path;
1460	}	1974	}
1461		1975
1462	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1463	}	1977	}
…		…
1470	my ($self) = @_;	1984	my ($self) = @_;
1471		1985
1472	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1473		1987
1474	my $path = $self->{path};	1988	my $path = $self->{path};
		1989
		1990	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1476		1992
		1993	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		1995
1479	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1480		1997
1481	$self->alloc;	1998	$self->alloc;
1482		1999
1483	$self->pre_load;	2000	$self->pre_load;
1484	Coro::cede;	2001	cf::cede_to_tick;
1485		2002
1486	$self->_load_objects ($self->{load_path}, 1)	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
		2005	$self->_load_objects ($f)
1487	or return;	2006	or return;
1488		2007
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1490	if delete $self->{load_original};	2009	if delete $self->{load_original};
1491		2010
1492	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2012	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2015	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1497	}	2019	}
1498	}	2020	}
1499		2021
1500	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1501	# now do the right thing for maps	2025	# now do the right thing for maps
1502	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2028	unless $self->difficulty;
1513	Coro::cede;	2029	cf::cede_to_tick;
		2030
		2031	unless ($self->{deny_activate}) {
		2032	$self->decay_objects;
		2033	$self->fix_auto_apply;
		2034	$self->update_buttons;
		2035	cf::cede_to_tick;
		2036	$self->set_darkness_map;
		2037	cf::cede_to_tick;
1514	$self->activate;	2038	$self->activate;
1515	Coro::cede;	2039	}
		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
		2044	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2045	}
1517		2046
1518	$self->post_load;	2047	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2048	}
1523		2049
1524	sub customise_for {	2050	sub customise_for {
1525	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1526		2052
1527	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2054	if $self->per_player;
1529		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1530	$self	2059	$self
1531	}	2060	}
1532		2061
1533	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2063	sub load_neighbours {
1535	my ($map) = @_;	2064	my ($map) = @_;
1536		2065
1537	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1538		2067
1539	for (0 .. 3) {	2068	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1541	or next;	2070	or next;
1542	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1543	or next;	2072	or next;
1544	$neigh->load;	2073	$neigh->load;
1545		2074
		2075	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2078	}
1549		2079
1550	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1552	or next;	2083	or next;
1553	$neigh->load;	2084	$neigh->load;
1554	}	2085	}
1555	}	2086	}
1556		2087
…		…
1561	}	2092	}
1562		2093
1563	sub do_load_sync {	2094	sub do_load_sync {
1564	my ($map) = @_;	2095	my ($map) = @_;
1565		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1566	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1567	}	2101	}
1568		2102
1569	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1571		2105
1572	sub find_async {	2106	sub find_async {
1573	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1574		2108
1575	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1576		2110
1577	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2113	}
1580		2114
1581	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1582	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1583	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2122	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2123	$map->load if $v;
		2124	}
1588		2125
1589	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1590	}	2127	}
1591	}	2128	}
1592	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1593	};	2130	};
1594	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2134	}
1598		2135
1599	sub save {	2136	sub save {
1600	my ($self) = @_;	2137	my ($self) = @_;
1601		2138
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2140
1604	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1605		2142
1606	return unless $self->dirty;	2143	return unless $self->dirty;
1607		2144
…		…
1613	return if $self->{deny_save};	2150	return if $self->{deny_save};
1614		2151
1615	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1616		2153
1617	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1619	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1620		2160
1621	if ($uniq) {	2161	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2164	} else {
…		…
1630	my ($self) = @_;	2170	my ($self) = @_;
1631		2171
1632	# save first because save cedes	2172	# save first because save cedes
1633	$self->save;	2173	$self->save;
1634		2174
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2176
1637	return if $self->players;	2177	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2179	return if $self->{deny_save};
1640		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2185	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2186	}
1644		2187
1645	sub reset_at {	2188	sub reset_at {
1646	my ($self) = @_;	2189	my ($self) = @_;
1647		2190
1648	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1651		2193
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2196
…		…
1665	my ($self) = @_;	2207	my ($self) = @_;
1666		2208
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2210
1669	return if $self->players;	2211	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2212
1672	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1673		2214
1674	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1675		2216
1676	# need to save uniques path	2217	# need to save uniques path
1677	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2222	if $uniq;
1682	}	2223	}
1683		2224
1684	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1685		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2229	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2230
1690	$self->unlink_save;	2231	$self->unlink_save;
1691	$self->destroy;	2232	$self->destroy;
1692	}	2233	}
1693		2234
1694	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1695		2236
1696	sub nuke {	2237	sub nuke {
1697	my ($self) = @_;	2238	my ($self) = @_;
1698		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1699	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1700		2244
1701	$self->unlink_save;	2245	$self->unlink_save;
1702		2246
1703	bless $self, "cf::map";	2247	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2252
1709	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1710		2255
1711	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1712	}	2293	}
1713		2294
1714	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1715		2296
1716	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2298	instantiated unique items. May block.
1718		2299
1719	=cut	2300	=cut
1720		2301
1721	sub unique_maps() {	2302	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2303	[
1723	or return;	2304	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2305	utf8::decode $_;
1729	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2308	? ()
1732	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2311	]
1734
1735	\@paths
1736	}	2312	}
1737
1738	package cf;
1739		2313
1740	=back	2314	=back
1741		2315
1742	=head3 cf::object	2316	=head3 cf::object
1743		2317
…		…
1747		2321
1748	=over 4	2322	=over 4
1749		2323
1750	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1751		2325
1752	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1753		2328
1754	=cut	2329	=cut
1755		2330
1756	sub inv_recursive_;	2331	sub inv_recursive_;
1757	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1760		2335
1761	sub inv_recursive {	2336	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1763	}	2338	}
1764		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1765	package cf;	2368	package cf;
1766		2369
1767	=back	2370	=back
1768		2371
1769	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1778		2381
1779	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1780		2397
1781	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2399	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1786		2403
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2405
1789	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1791	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1794	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1795	}	2431	}
1796		2432
1797	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1798		2434
1799	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1812		2448
1813	=item $player_object->enter_link	2449	=item $player_object->enter_link
1814		2450
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2452
1817	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1819		2457
1820	Will never block.	2458	Will never block.
1821		2459
1822	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1823		2461
…		…
1846	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1847		2485
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2487
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1852		2490
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2492	}
1855		2493
1856	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1858		2498
1859	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1860		2500
1861	unless ($map) {	2501	unless ($map) {
1862	# restore original map position	2502	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1879		2519
1880	$map->load;	2520	$map->load;
1881	$map->load_diag;	2521	$map->load_neighbours;
1882		2522
1883	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2525	$self->activate_recursive;
1885		2526
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1888	}	2529	}
1889		2530
1890	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2532
1894	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1898	};	2537	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2538
1904	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2541
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1925		2545
1926	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
		2548
		2549	# do generation counting so two concurrent goto's will be executed in-order
		2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2551
1929	$self->enter_link;	2552	$self->enter_link;
1930		2553
1931	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
1932	my $map = eval {	2576	my $map = eval {
1933	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2580	$map = $map->customise_for ($self);
		2581	$map = $check->($map) if $check && $map;
		2582	} else {
		2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2584	}
		2585
1935	$map	2586	$map
		2587	};
		2588
		2589	if ($@) {
		2590	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2591	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2592	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1940	})->prio (1);	2600	})->prio (1);
1941	}	2601	}
1942		2602
1943	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1944		2604
…		…
1964	}	2624	}
1965		2625
1966	sub prepare_random_map {	2626	sub prepare_random_map {
1967	my ($exit) = @_;	2627	my ($exit) = @_;
1968		2628
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2631	# that depends on the exit object
1974		2632
1975	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2635	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
1982	}	2642	}
1983		2643
1984	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
1985		2645
1986	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
1989		2649
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2652	undef $fh;
1993	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
1994		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
1997	}	2661	}
1998	}	2662	}
1999		2663
2000	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2002		2666
2003	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2004		2668
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2669	$self->enter_link;
2017		2670
2018	(async {	2671	(async {
2019	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2020	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2021	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2022		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2023	1;	2695	1
2024	}) {	2696	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2701
2030	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
…		…
2049		2721
2050	utf8::encode $text;	2722	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2724	}
2053		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
		2798
		2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2800
		2801	# check predefined channels, for the benefit of C
		2802	if ($CHANNEL{$channel}) {
		2803	$channel = $CHANNEL{$channel};
		2804
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807
		2808	$channel = $channel->{id};
		2809
		2810	} elsif (ref $channel) {
		2811	# send meta info to client, if not yet sent
		2812	unless (exists $self->{channel}{$channel->{id}}) {
		2813	$self->{channel}{$channel->{id}} = $channel;
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816	}
		2817
		2818	$channel = $channel->{id};
		2819	}
		2820
		2821	return unless @extra || length $msg;
		2822
		2823	if ($self->can_msg) {
		2824	# default colour, mask it out
		2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2826	if $color & cf::NDI_DEF;
		2827
		2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
		2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
		2844	} else {
		2845	if ($color >= 0) {
		2846	# replace some tags by gcfclient-compatible ones
		2847	for ($msg) {
		2848	1 while
		2849	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2850	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2851	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2852	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2853	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2854	}
		2855
		2856	$color &= cf::NDI_COLOR_MASK;
		2857
		2858	utf8::encode $msg;
		2859
		2860	if (0 && $msg =~ /\[/) {
		2861	# COMMAND/INFO
		2862	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2863	} else {
		2864	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2865	$self->send_packet ("drawinfo $color $msg")
		2866	}
		2867	}
		2868	}
		2869	}
		2870
2054	=item $client->ext_event ($type, %msg)	2871	=item $client->ext_msg ($type, @msg)
2055		2872
2056	Sends an exti event to the client.	2873	Sends an ext event to the client.
2057		2874
2058	=cut	2875	=cut
2059		2876
2060	sub cf::client::ext_event($$%) {	2877	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2878	my ($self, $type, @msg) = @_;
2062		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2882	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2883	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2884	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2885	}
		2886	}
		2887
		2888	=item $client->ext_reply ($msgid, @msg)
		2889
		2890	Sends an ext reply to the client.
		2891
		2892	=cut
		2893
		2894	sub cf::client::ext_reply($$@) {
		2895	my ($self, $id, @msg) = @_;
		2896
		2897	if ($self->extcmd == 2) {
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2899	} elsif ($self->extcmd == 1) {
		2900	#TODO: version 1, remove
		2901	unshift @msg, msgtype => "reply", msgid => $id;
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
2065	}	2904	}
2066		2905
2067	=item $success = $client->query ($flags, "text", \&cb)	2906	=item $success = $client->query ($flags, "text", \&cb)
2068		2907
2069	Queues a query to the client, calling the given callback with	2908	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2909	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2910	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2911
2073	Queries can fail, so check the return code. Or don't, as queries will become	2912	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2913	become reliable at some point in the future.
2075		2914
2076	=cut	2915	=cut
2077		2916
2078	sub cf::client::query {	2917	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2918	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2926	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2927	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2928
2090	$self->send_packet ($self->{query_queue}[0][0])	2929	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2930	if @{ $self->{query_queue} } == 1;
		2931
		2932	1
2092	}	2933	}
2093		2934
2094	cf::client->attach (	2935	cf::client->attach (
		2936	on_connect => sub {
		2937	my ($ns) = @_;
		2938
		2939	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2940	},
2095	on_reply => sub {	2941	on_reply => sub {
2096	my ($ns, $msg) = @_;	2942	my ($ns, $msg) = @_;
2097		2943
2098	# this weird shuffling is so that direct followup queries	2944	# this weird shuffling is so that direct followup queries
2099	# get handled first	2945	# get handled first
…		…
2111	} else {	2957	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2959	}
2114	}	2960	}
2115	},	2961	},
		2962	on_exticmd => sub {
		2963	my ($ns, $buf) = @_;
		2964
		2965	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2966
		2967	if (ref $msg) {
		2968	my ($type, $reply, @payload) =
		2969	"ARRAY" eq ref $msg
		2970	? @$msg
		2971	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2972
		2973	my @reply;
		2974
		2975	if (my $cb = $EXTICMD{$type}) {
		2976	@reply = $cb->($ns, @payload);
		2977	}
		2978
		2979	$ns->ext_reply ($reply, @reply)
		2980	if $reply;
		2981
		2982	} else {
		2983	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2984	}
		2985
		2986	cf::override;
		2987	},
2116	);	2988	);
2117		2989
2118	=item $client->async (\&cb)	2990	=item $client->async (\&cb)
2119		2991
2120	Create a new coroutine, running the specified callback. The coroutine will	2992	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3033	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3034	our $safe_hole = new Safe::Hole;
2163		3035
2164	$SIG{FPE} = 'IGNORE';	3036	$SIG{FPE} = 'IGNORE';
2165		3037
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3038	$safe->permit_only (Opcode::opset qw(
		3039	:base_core :base_mem :base_orig :base_math
		3040	grepstart grepwhile mapstart mapwhile
		3041	sort time
		3042	));
2167		3043
2168	# here we export the classes and methods available to script code	3044	# here we export the classes and methods available to script code
2169		3045
2170	=pod	3046	=pod
2171		3047
2172	The following functions and methods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2173		3049
2174	cf::object contr pay_amount pay_player map	3050	cf::object
		3051	contr pay_amount pay_player map x y force_find force_add destroy
		3052	insert remove name archname title slaying race decrease split
		3053
2175	cf::object::player player	3054	cf::object::player
2176	cf::player peaceful	3055	player
2177	cf::map trigger	3056
		3057	cf::player
		3058	peaceful
		3059
		3060	cf::map
		3061	trigger
2178		3062
2179	=cut	3063	=cut
2180		3064
2181	for (	3065	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3067	insert remove inv nrof name archname title slaying race
		3068	decrease split destroy change_exp)],
2183	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2186	) {	3072	) {
2187	no strict 'refs';	3073	no strict 'refs';
…		…
2258	=back	3144	=back
2259		3145
2260	=cut	3146	=cut
2261		3147
2262	#############################################################################	3148	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	=item cf::cache $id => ...
2335
2336	Generic caching function that returns the value of the resource $id,
2337	caching and regenerating as required.
2338
2339	This function can block.
2340
2341	source => filename returning the data (must be a scalar)
2342	expensive => true == try to cache harder
2343	filter => sub that processes the data into a scalar
2344
2345	=cut
2346
2347	sub cache {
2348	my ($id, %arg) = @_;
2349
2350	aio_stat $arg{source}
2351	and Carp::croak "$arg{source}: $!";
2352
2353	my $meta = join ":", (stat _)[7,9];
2354	my $md5;
2355
2356	if ($arg{expensive}) {
2357	0 <= aio_load $arg{source}, my $buf
2358	or Carp::croak "$arg{source}: $!";
2359
2360	$md5 = Digest::MD5::md5_hex $buf;
2361	}
2362
2363	my $dbmeta = db_get "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we need to process
2366	} else {
2367	# just fetch
2368	}
2369
2370
2371	}
2372
2373	#############################################################################
2374	# the server's init and main functions	3149	# the server's init and main functions
2375		3150
2376	sub load_facedata($) {	3151	sub load_facedata($) {
2377	my ($path) = @_;	3152	my ($path) = @_;
		3153
		3154	# HACK to clear player env face cache, we need some signal framework
		3155	# for this (global event?)
		3156	%ext::player_env::MUSIC_FACE_CACHE = ();
		3157
		3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2378		3159
2379	warn "loading facedata from $path\n";	3160	warn "loading facedata from $path\n";
2380		3161
2381	my $facedata;	3162	my $facedata;
2382	0 < aio_load $path, $facedata	3163	0 < aio_load $path, $facedata
…		…
2385	$facedata = Coro::Storable::thaw $facedata;	3166	$facedata = Coro::Storable::thaw $facedata;
2386		3167
2387	$facedata->{version} == 2	3168	$facedata->{version} == 2
2388	or cf::cleanup "$path: version mismatch, cannot proceed.";	3169	or cf::cleanup "$path: version mismatch, cannot proceed.";
2389		3170
		3171	# patch in the exptable
		3172	$facedata->{resource}{"res/exp_table"} = {
		3173	type => FT_RSRC,
		3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3175	};
		3176	cf::cede_to_tick;
		3177
2390	{	3178	{
2391	my $faces = $facedata->{faceinfo};	3179	my $faces = $facedata->{faceinfo};
2392		3180
2393	while (my ($face, $info) = each %$faces) {	3181	while (my ($face, $info) = each %$faces) {
2394	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3183
2395	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3184	cf::face::set_visibility $idx, $info->{visibility};
		3185	cf::face::set_magicmap $idx, $info->{magicmap};
2396	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2397	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2398	Coro::cede;	3188
		3189	cf::cede_to_tick;
2399	}	3190	}
2400		3191
2401	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2402	next unless $info->{smooth};	3193	next unless $info->{smooth};
		3194
2403	my $idx = cf::face::find $face	3195	my $idx = cf::face::find $face
2404	or next;	3196	or next;
		3197
2405	if (my $smooth = cf::face::find $info->{smooth}) {	3198	if (my $smooth = cf::face::find $info->{smooth}) {
		3199	cf::face::set_smooth $idx, $smooth;
2406	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2407	} else {	3201	} else {
2408	warn "smooth face '$info->{smooth}' not found for face '$face'";	3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
2409	}	3203	}
2410	Coro::cede;	3204
		3205	cf::cede_to_tick;
2411	}	3206	}
2412	}	3207	}
2413		3208
2414	{	3209	{
2415	my $anims = $facedata->{animinfo};	3210	my $anims = $facedata->{animinfo};
2416		3211
2417	while (my ($anim, $info) = each %$anims) {	3212	while (my ($anim, $info) = each %$anims) {
2418	cf::anim::set $anim, $info->{frames}, $info->{facings};	3213	cf::anim::set $anim, $info->{frames}, $info->{facings};
2419	Coro::cede;	3214	cf::cede_to_tick;
2420	}	3215	}
2421		3216
2422	cf::anim::invalidate_all; # d'oh	3217	cf::anim::invalidate_all; # d'oh
2423	}	3218	}
2424		3219
		3220	{
		3221	# TODO: for gcfclient pleasure, we should give resources
		3222	# that gcfclient doesn't grok a >10000 face index.
		3223	my $res = $facedata->{resource};
		3224
		3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
		3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3228	my $data;
		3229
		3230	if ($info->{type} & 1) {
		3231	# prepend meta info
		3232
		3233	my $meta = $enc->encode ({
		3234	name => $name,
		3235	%{ $info->{meta} || {} },
		3236	});
		3237
		3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
		3245	} else {
		3246	$RESOURCE{$name} = $info;
		3247	}
		3248
		3249	cf::cede_to_tick;
		3250	}
		3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3254
2425	1	3255	1
2426	}	3256	}
2427		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
		3277
		3278	register_exticmd fx_want => sub {
		3279	my ($ns, $want) = @_;
		3280
		3281	while (my ($k, $v) = each %$want) {
		3282	$ns->fx_want ($k, $v);
		3283	}
		3284	};
		3285
		3286	sub load_resource_file($) {
		3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
		3295
		3296	sub reload_regions {
		3297	# HACK to clear player env face cache, we need some signal framework
		3298	# for this (global event?)
		3299	%ext::player_env::MUSIC_FACE_CACHE = ();
		3300
		3301	load_resource_file "$MAPDIR/regions"
		3302	or die "unable to load regions file\n";
		3303
		3304	for (cf::region::list) {
		3305	$_->{match} = qr/$_->{match}/
		3306	if exists $_->{match};
		3307	}
		3308	}
		3309
2428	sub reload_facedata {	3310	sub reload_facedata {
2429	load_facedata sprintf "%s/facedata", cf::datadir	3311	load_facedata "$DATADIR/facedata"
2430	or die "unable to load facedata\n";	3312	or die "unable to load facedata\n";
2431	}	3313	}
2432		3314
2433	sub reload_regions {
2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2435	or die "unable to load regions file\n";
2436	}
2437
2438	sub reload_archetypes {	3315	sub reload_archetypes {
2439	load_resource_file sprintf "%s/archetypes", cf::datadir	3316	load_resource_file "$DATADIR/archetypes"
2440	or die "unable to load archetypes\n";	3317	or die "unable to load archetypes\n";
2441	}	3318	}
2442		3319
2443	sub reload_treasures {	3320	sub reload_treasures {
2444	load_resource_file sprintf "%s/treasures", cf::datadir	3321	load_resource_file "$DATADIR/treasures"
2445	or die "unable to load treasurelists\n";	3322	or die "unable to load treasurelists\n";
2446	}	3323	}
2447		3324
2448	sub reload_resources {	3325	sub reload_resources {
2449	warn "reloading resource files...\n";	3326	warn "reloading resource files...\n";
2450		3327
2451	reload_regions;
2452	reload_facedata;	3328	reload_facedata;
2453	reload_archetypes;	3329	reload_archetypes;
		3330	reload_regions;
2454	reload_treasures;	3331	reload_treasures;
2455		3332
2456	warn "finished reloading resource files\n";	3333	warn "finished reloading resource files\n";
2457	}	3334	}
2458		3335
2459	sub init {	3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
2460	reload_resources;	3341	reload_resources;
2461	}	3342	}
2462		3343
2463	sub cfg_load {	3344	sub reload_config {
2464	open my $fh, "<:utf8", cf::confdir . "/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
2465	or return;	3346	or return;
2466		3347
2467	local $/;	3348	local $/;
2468	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
2469		3350
2470	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2471		3352
2472	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2473	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2479	};	3360	};
2480	warn $@ if $@;	3361	warn $@ if $@;
2481	}	3362	}
2482	}	3363	}
2483		3364
		3365	sub pidfile() {
		3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
		3382	}
		3383
2484	sub main {	3384	sub main {
		3385	atomic;
		3386
2485	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
2486	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
2487	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2488	(async {	3390	(async {
2489	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
2490	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
2491	};	3394	};
2492		3395
2493	cfg_load;	3396	{
		3397	my $guard = freeze_mainloop;
		3398	reload_config;
2494	db_init;	3399	db_init;
2495	load_extensions;	3400	load_extensions;
2496		3401
2497	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
2498	Event::loop;	3410	EV::loop;
2499	}	3411	}
2500		3412
2501	#############################################################################	3413	#############################################################################
2502	# initialisation and cleanup	3414	# initialisation and cleanup
2503		3415
2504	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
2505	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
2506	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
2507	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2508	reentrant => 0,
2509	data => WF_AUTOCANCEL,
2510	signal => $signal,
2511	prio => 0,
2512	cb => sub {
2513	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
2514	},
2515	);	3422	};
		3423	}
		3424	}
		3425
		3426	sub write_runtime_sync {
		3427	# first touch the runtime file to show we are still running:
		3428	# the fsync below can take a very very long time.
		3429
		3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3431
		3432	my $guard = cf::lock_acquire "write_runtime";
		3433
		3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3435	or return;
		3436
		3437	my $value = $cf::RUNTIME + 90 + 10;
		3438	# 10 is the runtime save interval, for a monotonic clock
		3439	# 60 allows for the watchdog to kill the server.
		3440
		3441	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3442	and return;
		3443
		3444	# always fsync - this file is important
		3445	aio_fsync $fh
		3446	and return;
		3447
		3448	# touch it again to show we are up-to-date
		3449	aio_utime $fh, undef, undef;
		3450
		3451	close $fh
		3452	or return;
		3453
		3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3455	and return;
		3456
		3457	warn "runtime file written.\n";
		3458
2516	}	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
2517	}	3503	}
2518		3504
2519	sub emergency_save() {	3505	sub emergency_save() {
2520	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
2521		3507
…		…
2527	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
2528	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
2529	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
2530	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
2531	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2532	$pl->save;	3519	$pl->save;
2533	}	3520	}
2534	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
2535		3522
2536	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
2542	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
2543		3530
2544	warn "begin emergency database checkpoint\n";	3531	warn "begin emergency database checkpoint\n";
2545	BDB::db_env_txn_checkpoint $DB_ENV;	3532	BDB::db_env_txn_checkpoint $DB_ENV;
2546	warn "end emergency database checkpoint\n";	3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
2547	};	3538	};
2548		3539
2549	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
2550	}	3541	}
2551		3542
2552	sub post_cleanup {	3543	sub post_cleanup {
2553	my ($make_core) = @_;	3544	my ($make_core) = @_;
2554		3545
2555	warn Carp::longmess "post_cleanup backtrace"	3546	warn Carp::longmess "post_cleanup backtrace"
2556	if $make_core;	3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
2557	}	3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
2558		3580
2559	sub do_reload_perl() {	3581	sub do_reload_perl() {
2560	# can/must only be called in main	3582	# can/must only be called in main
2561	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
2562	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
2563	return;	3585	return;
2564	}	3586	}
2565		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
2566	warn "reloading...";	3591	warn "reloading...";
2567		3592
2568	warn "entering sync_job";	3593	warn "entering sync_job";
2569		3594
2570	cf::sync_job {	3595	cf::sync_job {
2571	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
2572	cf::emergency_save;	3597	cf::emergency_save;
2573	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2574		3599
2575	warn "syncing database to disk";	3600	warn "syncing database to disk";
2576	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
2577		3602
2578	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2579		3604
2580	warn "cancelling all WF_AUTOCANCEL watchers";
2581	for (Event::all_watchers) {
2582	$_->cancel if $_->data & WF_AUTOCANCEL;
2583	}
2584
2585	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2586	for (;;) {
2587	BDB::flush;
2588	IO::AIO::flush;
2589	Coro::cede;
2590	last unless IO::AIO::nreqs || BDB::nreqs;	3606	while (IO::AIO::nreqs || BDB::nreqs) {
2591	warn "iterate...";	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2592	}
2593
2594	++$RELOAD;
2595
2596	warn "cancelling all extension coros";
2597	$_->cancel for values %EXT_CORO;
2598	%EXT_CORO = ();
2599
2600	warn "removing commands";
2601	%COMMAND = ();
2602
2603	warn "removing ext commands";
2604	%EXTCMD = ();
2605
2606	warn "unloading/nuking all extensions";
2607	for my $pkg (@EXTS) {
2608	warn "... unloading $pkg";
2609
2610	if (my $cb = $pkg->can ("unload")) {
2611	eval {
2612	$cb->($pkg);
2613	1
2614	} or warn "$pkg unloaded, but with errors: $@";
2615	}	3608	}
2616		3609
2617	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
2618	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
2619	}	3612	%EXT_CORO = ();
2620		3613
2621	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
2622	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
2623	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2624		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
2625	warn "... unloading $k";	3623	warn "... unloading $pkg";
2626	delete $INC{$k};
2627		3624
2628	$k =~ s/\.pm$//;
2629	$k =~ s/\//::/g;
2630
2631	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
2632	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
2633	}	3634	}
2634		3635
2635	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
2636	}	3651	}
2637		3652
2638	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
2639	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
2640	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2641		3656
2642	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2643	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2644		3660
2645	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2646	# and global variables created in xs	3662	# and global variables created in xs
2647	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
2648		3664
2649	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
2650		3666
2651	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2652	require cf;	3668	require cf;
2653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2654		3670
2655	warn "loading config and database again";	3671	warn "loading config and database again";
2656	cf::cfg_load;	3672	cf::reload_config;
2657		3673
2658	warn "loading extensions";	3674	warn "loading extensions";
2659	cf::load_extensions;	3675	cf::load_extensions;
2660		3676
2661	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2662	_global_reattach; # objects, sockets	3678	_global_reattach; # objects, sockets
2663	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2664	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
2665	warn "reattaching attachments to players";	3681	warn "reattaching attachments to players";
2666	reattach $_ for values %PLAYER;	3682	reattach $_ for values %PLAYER;
2667		3683
2668	warn "leaving sync_job";	3684	warn "leaving sync_job";
2669		3685
2670	1	3686	1
2671	} or do {	3687	} or do {
2672	warn $@;	3688	warn $@;
2673	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
2674	exit 1;
2675	};	3690	};
2676		3691
2677	warn "reloaded";	3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
2678	};	3695	};
2679		3696
2680	our $RELOAD_WATCHER; # used only during reload	3697	our $RELOAD_WATCHER; # used only during reload
2681		3698
2682	sub reload_perl() {	3699	sub reload_perl() {
2683	# doing reload synchronously and two reloads happen back-to-back,	3700	# doing reload synchronously and two reloads happen back-to-back,
2684	# coro crashes during coro_state_free->destroy here.	3701	# coro crashes during coro_state_free->destroy here.
2685		3702
2686	$RELOAD_WATCHER ||= Event->timer (	3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2687	reentrant => 0,
2688	after => 0,
2689	data => WF_AUTOCANCEL,
2690	cb => sub {
2691	do_reload_perl;	3704	do_reload_perl;
2692	undef $RELOAD_WATCHER;	3705	undef $RELOAD_WATCHER;
2693	},
2694	);	3706	};
2695	}	3707	}
2696		3708
2697	register_command "reload" => sub {	3709	register_command "reload" => sub {
2698	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
2699		3711
2700	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
2701	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
		3714	async {
		3715	$Coro::current->{desc} = "perl_reload";
2702	async { reload_perl };	3716	reload_perl;
		3717	};
2703	}	3718	}
2704	};	3719	};
2705		3720
2706	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
2707		3722
…		…
2709		3724
2710	our @WAIT_FOR_TICK;	3725	our @WAIT_FOR_TICK;
2711	our @WAIT_FOR_TICK_BEGIN;	3726	our @WAIT_FOR_TICK_BEGIN;
2712		3727
2713	sub wait_for_tick {	3728	sub wait_for_tick {
2714	return unless $TICK_WATCHER->is_active;
2715	return if $Coro::current == $Coro::main;	3729	return if tick_inhibit || $Coro::current == $Coro::main;
2716		3730
2717	my $signal = new Coro::Signal;	3731	my $signal = new Coro::Signal;
2718	push @WAIT_FOR_TICK, $signal;	3732	push @WAIT_FOR_TICK, $signal;
2719	$signal->wait;	3733	$signal->wait;
2720	}	3734	}
2721		3735
2722	sub wait_for_tick_begin {	3736	sub wait_for_tick_begin {
2723	return unless $TICK_WATCHER->is_active;
2724	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2725		3738
2726	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2727	push @WAIT_FOR_TICK_BEGIN, $signal;	3740	push @WAIT_FOR_TICK_BEGIN, $signal;
2728	$signal->wait;	3741	$signal->wait;
2729	}	3742	}
2730		3743
2731	$TICK_WATCHER = Event->timer (	3744	sub tick {
2732	reentrant => 0,
2733	parked => 1,
2734	prio => 0,
2735	at => $NEXT_TICK || $TICK,
2736	data => WF_AUTOCANCEL,
2737	cb => sub {
2738	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
2739	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2740	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
2741	return;	3748	return;
2742	}	3749	}
2743		3750
2744	$NOW = Event::time;
2745
2746	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
2747		3752
2748	$RUNTIME += $TICK;
2749	$NEXT_TICK += $TICK;
2750
2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2752	$NEXT_RUNTIME_WRITE = $NOW + 10;	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2753	Coro::async_pool {	3755	Coro::async_pool {
		3756	$Coro::current->{desc} = "runtime saver";
2754	write_runtime	3757	write_runtime_sync
2755	or warn "ERROR: unable to write runtime file: $!";	3758	or warn "ERROR: unable to write runtime file: $!";
2756	};
2757	}	3759	};
		3760	}
2758		3761
2759	# my $AFTER = Event::time;
2760	# warn $AFTER - $NOW;#d#
2761
2762	# if we are delayed by four ticks or more, skip them all
2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2764
2765	$TICK_WATCHER->at ($NEXT_TICK);
2766	$TICK_WATCHER->start;
2767
2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2769	$sig->send;	3763	$sig->send;
2770	}	3764	}
2771	while (my $sig = shift @WAIT_FOR_TICK) {	3765	while (my $sig = shift @WAIT_FOR_TICK) {
2772	$sig->send;	3766	$sig->send;
2773	}
2774
2775	_post_tick;
2776	},	3767	}
2777	);	3768
		3769	$LOAD = ($NOW - $TICK_START) / $TICK;
		3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3771
		3772	if (0) {
		3773	if ($NEXT_TICK) {
		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
		3777	}
		3778	}
		3779	}
2778		3780
2779	{	3781	{
2780	BDB::max_poll_time $TICK * 0.1;	3782	# configure BDB
2781	$BDB_POLL_WATCHER = Event->io (	3783
2782	reentrant => 0,
2783	fd => BDB::poll_fileno,
2784	poll => 'r',
2785	prio => 0,
2786	data => WF_AUTOCANCEL,
2787	cb => \&BDB::poll_cb,
2788	);
2789	BDB::min_parallel 8;	3784	BDB::min_parallel 8;
2790		3785	BDB::max_poll_reqs $TICK * 0.1;
2791	BDB::set_sync_prepare {	3786	$AnyEvent::BDB::WATCHER->priority (1);
2792	my $status;
2793	my $current = $Coro::current;
2794	(
2795	sub {
2796	$status = $!;
2797	$current->ready; undef $current;
2798	},
2799	sub {
2800	Coro::schedule while defined $current;
2801	$! = $status;
2802	},
2803	)
2804	};
2805		3787
2806	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
2807	$DB_ENV = BDB::db_env_create;	3789	$DB_ENV = BDB::db_env_create;
		3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2808		3795
2809	cf::sync_job {	3796	cf::sync_job {
2810	eval {	3797	eval {
2811	BDB::db_env_open	3798	BDB::db_env_open
2812	$DB_ENV,	3799	$DB_ENV,
2813	$BDB_ENV_DIR,	3800	$BDBDIR,
2814	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3801	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2815	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3802	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2816	0666;	3803	0666;
2817		3804
2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3805	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2819
2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2821	$DB_ENV->set_lk_detect;
2822	};	3806	};
2823		3807
2824	cf::cleanup "db_env_open(db): $@" if $@;	3808	cf::cleanup "db_env_open(db): $@" if $@;
2825	};	3809	};
2826	}	3810	}
		3811
		3812	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3814	};
		3815	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3817	};
		3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3820	};
2827	}	3821	}
2828		3822
2829	{	3823	{
		3824	# configure IO::AIO
		3825
2830	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
2831
2832	undef $Coro::AIO::WATCHER;
2833	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
2834	$AIO_POLL_WATCHER = Event->io (	3828	undef $AnyEvent::AIO::WATCHER;
2835	reentrant => 0,	3829	}
2836	data => WF_AUTOCANCEL,	3830
2837	fd => IO::AIO::poll_fileno,	3831	my $_log_backtrace;
2838	poll => 'r',	3832
2839	prio => 6,	3833	sub _log_backtrace {
2840	cb => \&IO::AIO::poll_cb,	3834	my ($msg, @addr) = @_;
2841	);	3835
		3836	$msg =~ s/\n//;
		3837
		3838	# limit the # of concurrent backtraces
		3839	if ($_log_backtrace < 2) {
		3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
		3842	async {
		3843	$Coro::current->{desc} = "abt $msg";
		3844
		3845	my @bt = fork_call {
		3846	@addr = map { sprintf "%x", $_ } @addr;
		3847	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3848	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3849	or die "addr2line: $!";
		3850
		3851	my @funcs;
		3852	my @res = <$fh>;
		3853	chomp for @res;
		3854	while (@res) {
		3855	my ($func, $line) = splice @res, 0, 2, ();
		3856	push @funcs, "[$func] $line";
		3857	}
		3858
		3859	@funcs
		3860	};
		3861
		3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3864	LOG llevInfo, "[ABT] $_\n" for @bt;
		3865	--$_log_backtrace;
		3866	};
		3867	} else {
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] [suppressed]\n";
		3870	}
2842	}	3871	}
2843		3872
2844	# load additional modules	3873	# load additional modules
2845	use cf::pod;	3874	use cf::pod;
2846		3875

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