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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.450 by root, Mon Sep 22 01:33:09 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
26	use YAML::Syck ();	56	use YAML ();
27	use IO::AIO 2.32 ();	57	use IO::AIO ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
30		63
31	# configure various modules to our taste	64	# configure various modules to our taste
32	#	65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		74
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		76
45	our %COMMAND = ();	77	our %COMMAND = ();
46	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
47		79
48	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
52		85
53	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
54	our @EVENT;	87	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		88
57	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	90	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	107	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	113	our $DB_ENV;
67		114
68	our %CFG;	115	our %CFG;
69		116
70	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
72		120
73	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		124
82	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
85	binmode STDOUT;	133	binmode STDOUT;
86	binmode STDERR;	134	binmode STDERR;
87		135
88	# read virtual server time, if available	136	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
93	}	141	}
94		142
95	mkdir cf::localdir;	143	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		145
102	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
103		147
104	sub cf::map::normalise;	148	sub cf::map::normalise;
105		149
…		…
116	=item $cf::RUNTIME	160	=item $cf::RUNTIME
117		161
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	162	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	163	every server tick.
120		164
121	=item $cf::LIBDIR	165	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		166	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		167	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		168
123	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		171	unique-items directory, player file directory, random maps directory and
		172	database environment.
125		173
126	=item $cf::NOW	174	=item $cf::NOW
127		175
128	The time of the last (current) server tick.	176	The time of the last (current) server tick.
129		177
130	=item $cf::TICK	178	=item $cf::TICK
131		179
132	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
133		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
134	=item %cf::CFG	192	=item %cf::CFG
135		193
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	195	from wherever your confdir points to.
138		196
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		198
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	200	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
145		208
146	=back	209	=back
147		210
148	=cut	211	=cut
149		212
150	BEGIN {	213	BEGIN {
151	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	215	my $msg = join "", @_;
153	utf8::encode $msg;
154		216
155	$msg .= "\n"	217	$msg .= "\n"
156	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
157		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
158	LOG llevError, $msg;	222	LOG llevError, $msg;
159	};	223	};
160	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
161		240
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		248
169	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	250	# within the Safe compartment.
171	for my $pkg (qw(	251	for my $pkg (qw(
172	cf::global cf::attachable	252	cf::global cf::attachable
173	cf::object cf::object::player	253	cf::object cf::object::player
174	cf::client cf::player	254	cf::client cf::player
175	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
176	cf::map cf::party cf::region	257	cf::party cf::region
177	)) {	258	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	260	}
181		261
182	$Event::DIED = sub {	262	$EV::DIED = sub {
183	warn "error in event callback: @_";	263	warn "error in event callback: @_";
184	};	264	};
		265
		266	#############################################################################
185		267
186	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
187		269
188	=over 4	270	=over 4
189		271
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	291	$d
210	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
211	}	293	}
212		294
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
216		296
217	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
218		298
219	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
220		300
221	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
222		309
223	=item cf::lock_wait $string	310	=item cf::lock_wait $string
224		311
225	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
226		313
…		…
229	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
232	returned.	319	returned.
233		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
234	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
236		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
237	=cut	331	=cut
238		332
239	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
240		335
241	sub lock_wait($) {	336	sub lock_wait($) {
242	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
243		343
244	# wait for lock, if any	344	# wait for lock, if any
245	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	347	Coro::schedule;
…		…
253		353
254	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
255	lock_wait $key;	355	lock_wait $key;
256		356
257	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
258		359
259	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
262	}	364	}
263	}	365	}
264		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
265	sub freeze_mainloop {	373	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
267		375
268	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
270	};	437	}
271	$TICK_WATCHER->stop;	438	};
272	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
273	}	452	}
274		453
275	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
276		455
277	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		461
283	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
284		463
285	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
286		465
287	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
290		470
291	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
294	fast or be very important.	474	fast or be very important.
…		…
297		477
298	sub sync_job(&) {	478	sub sync_job(&) {
299	my ($job) = @_;	479	my ($job) = @_;
300		480
301	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
302	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
304		486
305	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	488
307	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
308		490
309	my $busy = 1;	491	my $busy = 1;
310	my @res;	492	my @res;
311		493
312	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	496	@res = eval { $job->() };
314	warn $@ if $@;	497	warn $@ if $@;
315	undef $busy;	498	undef $busy;
316	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
317		500
318	while ($busy) {	501	while ($busy) {
319	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
320	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
321		512
322	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
323	} else {	514	} else {
324	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
325		516
…		…
345	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
346		537
347	$coro	538	$coro
348	}	539	}
349		540
350	sub write_runtime {	541	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		542
353	my $runtime = cf::localdir . "/runtime";	543	Executes the given code block with the given arguments in a seperate
		544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
354		547
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	=cut
356	or return;
357		549
358	my $value = $cf::RUNTIME + 90 + 10;	550	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	551	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		552
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	# we seemingly have to make a local copy of the whole thing,
363	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
364		556
365	# always fsync - this file is important	557	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	558	reset_signals;
367	and return;	559	&$cb
		560	}, @args;
368		561
369	close $fh	562	wantarray ? @res : $res[-1]
370	or return;	563	}
371		564
372	aio_rename "$runtime~", $runtime	565	=item $coin = coin_from_name $name
373	and return;
374		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
375	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
		717	}
		718
		719	=item cf::datalog type => key => value, ...
		720
		721	Log a datalog packet of the given type with the given key-value pairs.
		722
		723	=cut
		724
		725	sub datalog($@) {
		726	my ($type, %kv) = @_;
		727	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	728	}
377		729
378	=back	730	=back
379		731
380	=cut	732	=cut
381		733
382	#############################################################################	734	#############################################################################
383		735
384	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
385		737
386	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
389		741
390	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	744	Deliantra).
393		745
394	=over 4	746	=over 4
395		747
396	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
397		749
…		…
441	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
442		794
443	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
445		797
446	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
448		800
449	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
450		802
451	=over 4	803	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
561		913
562	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		918
567	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	920	my $pkg = shift @arg;
569		921
570	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
600	}	952	}
601		953
602	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
603	} else {	955	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	957	}
606		958
607	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
608	}	960	}
609		961
…		…
611	if (ref $_[0]) {	963	if (ref $_[0]) {
612	_object_attach @_;	964	_object_attach @_;
613	} else {	965	} else {
614	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
615	}	967	}
		968	_recalc_want;
616	};	969	};
617		970
618	# all those should be optimised	971	# all those should be optimised
619	sub cf::attachable::detach {	972	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
624	reattach ($obj);	977	reattach ($obj);
625	} else {	978	} else {
626	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
627	}	980	}
		981	_recalc_want;
628	};	982	};
629		983
630	sub cf::attachable::attached {	984	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
632		986
…		…
647	";	1001	";
648	die if $@;	1002	die if $@;
649	}	1003	}
650		1004
651	our $override;	1005	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1007
654	sub override {	1008	sub override {
655	$override = 1;	1009	$override = 1;
656	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
657	}	1011	}
658		1012
659	sub do_invoke {	1013	sub do_invoke {
660	my $event = shift;	1014	my $event = shift;
661	my $callbacks = shift;	1015	my $callbacks = shift;
662		1016
663	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
664		1018
665	local $override;	1019	local $override;
666		1020
667	for (@$callbacks) {	1021	for (@$callbacks) {
668	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
677	}	1031	}
678		1032
679	0	1033	0
680	}	1034	}
681		1035
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1037
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1039
686	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
687		1041
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1045
692	=back	1046	=back
693		1047
694	=cut	1048	=cut
695		1049
696	#############################################################################	1050	#############################################################################
697	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
698		1094
699	sub reattach {	1095	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1097	my ($obj) = @_;
702		1098
		1099	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1101
705	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
706		1103
707	@$registry = ();	1104	@$registry = ();
708		1105
…		…
723	cf::attachable->attach (	1120	cf::attachable->attach (
724	prio => -1000000,	1121	prio => -1000000,
725	on_instantiate => sub {	1122	on_instantiate => sub {
726	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
727		1124
728	$data = from_json $data;	1125	$data = decode_json $data;
729		1126
730	for (@$data) {	1127	for (@$data) {
731	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
732		1129
733	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1146	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
751		1148
752	sync_job {	1149	sync_job {
753	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
756		1154
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1159	aio_close $fh;
762		1160
763	if (@$objs) {	1161	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1167	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
771	}	1169	}
772	} else {	1170	} else {
773	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
774	}	1172	}
…		…
779	}	1177	}
780	} else {	1178	} else {
781	aio_unlink $filename;	1179	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
783	}	1181	}
784	}	1182	};
785	}	1183	}
786		1184
787	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
789		1187
…		…
801	or return;	1199	or return;
802		1200
803	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
805	or return;	1203	or return;
		1204
806	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
807	}	1207	}
808		1208
		1209	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
811	return ($data, $av);	1213	($data, $av)
812	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
813		1221
814	#############################################################################	1222	#############################################################################
815	# command handling &c	1223	# command handling &c
816		1224
817	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1239	}
832		1240
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1242
835	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
836		1248
837	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
838	called.	1250	called.
839		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
840	=cut	1263	=cut
841		1264
842	sub register_extcmd {	1265	sub register_extcmd {
843	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
844		1267
845	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
846	}	1275	}
847		1276
848	cf::player->attach (	1277	cf::player->attach (
849	on_command => sub {	1278	on_command => sub {
850	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1288	cf::override;
860	},	1289	},
861	on_extcmd => sub {	1290	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
863		1292
864	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1294
866	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
872	} else {	1310	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1312	}
875		1313
876	cf::override;	1314	cf::override;
877	},	1315	},
878	);	1316	);
879		1317
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
915	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1323	next unless -r $path;
917	eval {	1324
918	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
919	1	1381	}
920	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
921	}	1387	};
922	}	1388	}
923		1389
924	#############################################################################	1390	#############################################################################
925		1391
		1392	=back
		1393
926	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
927		1395
928	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
929		1397
930	=cut	1398	=cut
931		1399
932	package cf::player;	1400	package cf::player;
933		1401
…		…
935		1403
936	=head3 cf::player	1404	=head3 cf::player
937		1405
938	=over 4	1406	=over 4
939		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
		1421
940	=item cf::player::find $login	1422	=item cf::player::find $login
941		1423
942	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
943		1425
944	=cut	1426	=cut
945		1427
946	sub playerdir($) {	1428	sub playerdir($) {
947	cf::localdir	1429	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1431	}
953		1432
954	sub path($) {	1433	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1435
957	(playerdir $login) . "/$login.pl"	1436	(playerdir $login) . "/playerdata"
958	}	1437	}
959		1438
960	sub find_active($) {	1439	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1440	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1441	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1454	my $login = $_[0];
976		1455
977	my $guard = cf::lock_acquire "user_find:$login";	1456	my $guard = cf::lock_acquire "user_find:$login";
978		1457
979	$cf::PLAYER{$_[0]} || do {	1458	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1459	# rename old playerfiles to new ones
		1460	#TODO: remove when no longer required
		1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1464	aio_unlink +(playerdir $login) . "/$login.pl";
		1465
		1466	my $f = new_from_file cf::object::thawer path $login
981	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
983	}	1475	}
984	}	1476	}
985	}	1477	}
986		1478
…		…
995	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
996		1488
997	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
999		1491
		1492	cf::get_slot 0.01;
		1493
1000	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1001	Coro::cede;	1495	cf::cede_to_tick;
1002	}	1496	}
1003		1497
1004	sub new($) {	1498	sub new($) {
1005	my ($login) = @_;	1499	my ($login) = @_;
1006		1500
…		…
1012	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1013		1507
1014	$self	1508	$self
1015	}	1509	}
1016		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1017	=item $pl->quit_character	1521	=item $pl->quit_character
1018		1522
1019	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1021		1525
…		…
1025	my ($pl) = @_;	1529	my ($pl) = @_;
1026		1530
1027	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1028		1532
1029	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1535
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1036		1542
1037	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1069		1575
1070	=cut	1576	=cut
1071		1577
1072	sub list_logins {	1578	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1580	or return [];
1075		1581
1076	my @logins;	1582	my @logins;
1077		1583
1078	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1082		1594
1083	utf8::decode $login;	1595	utf8::decode $login;
1084	push @logins, $login;	1596	push @logins, $login;
1085	}	1597	}
1086		1598
…		…
1113	}	1625	}
1114		1626
1115	\@paths	1627	\@paths
1116	}	1628	}
1117		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1119		1635
1120	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1121		1637
1122	=cut	1638	=cut
1123		1639
1124	sub ext_reply($$$%) {	1640	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1126		1642
1127	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1644	}
1131		1645
1132	package cf;	1646	=item $player->ext_msg ($type, @msg)
		1647
		1648	Sends an ext event to the client.
		1649
		1650	=cut
		1651
		1652	sub ext_msg($$@) {
		1653	my ($self, $type, @msg) = @_;
		1654
		1655	$self->ns->ext_msg ($type, @msg);
		1656	}
		1657
		1658	=head3 cf::region
		1659
		1660	=over 4
		1661
		1662	=cut
		1663
		1664	package cf::region;
		1665
		1666	=item cf::region::find_by_path $path
		1667
		1668	Tries to decuce the likely region for a map knowing only its path.
		1669
		1670	=cut
		1671
		1672	sub find_by_path($) {
		1673	my ($path) = @_;
		1674
		1675	my ($match, $specificity);
		1676
		1677	for my $region (list) {
		1678	if ($region->{match} && $path =~ $region->{match}) {
		1679	($match, $specificity) = ($region, $region->specificity)
		1680	if $region->specificity > $specificity;
		1681	}
		1682	}
		1683
		1684	$match
		1685	}
1133		1686
1134	=back	1687	=back
1135
1136		1688
1137	=head3 cf::map	1689	=head3 cf::map
1138		1690
1139	=over 4	1691	=over 4
1140		1692
…		…
1152	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1154		1706
1155	sub generate_random_map {	1707	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1157	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1713	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1196		1751
1197	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1198	local $self->{path};	1753	local $self->{path};
1199	local $self->{load_path};	1754	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1755
1203	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1204	}	1757	}
1205		1758
1206	sub normalise {	1759	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1254	return $self;	1807	return $self;
1255	}	1808	}
1256	}	1809	}
1257		1810
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1812	()
1260	}	1813	}
1261		1814
1262	sub init {	1815	sub init {
1263	my ($self) = @_;	1816	my ($self) = @_;
…		…
1278		1831
1279	# the original (read-only) location	1832	# the original (read-only) location
1280	sub load_path {	1833	sub load_path {
1281	my ($self) = @_;	1834	my ($self) = @_;
1282		1835
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1284	}	1837	}
1285		1838
1286	# the temporary/swap location	1839	# the temporary/swap location
1287	sub save_path {	1840	sub save_path {
1288	my ($self) = @_;	1841	my ($self) = @_;
1289		1842
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1292	}	1845	}
1293		1846
1294	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1295	sub uniq_path {	1848	sub uniq_path {
1296	my ($self) = @_;	1849	my ($self) = @_;
1297		1850
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1300	}	1853	}
1301		1854
1302	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1303	# all maps in C++...	1856	# all maps in C++...
1304	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1306		1859
1307	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1309	}	1862	}
1310		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1311	sub unlink_save {	1872	sub unlink_save {
1312	my ($self) = @_;	1873	my ($self) = @_;
1313		1874
1314	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1879
1319	sub load_header_from($) {	1880	sub load_header_from($) {
1320	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1321		1882
1322	utf8::encode $path;	1883	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1328		1892
1329	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1330		1894
1331	1	1895	1
1332	}	1896	}
…		…
1371	$self->load_header_orig	1935	$self->load_header_orig
1372	or return;	1936	or return;
1373	$self->prepare_orig;	1937	$self->prepare_orig;
1374	}	1938	}
1375		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1376	1	1946	1
1377	}	1947	}
1378		1948
1379	sub find;	1949	sub find;
1380	sub find {	1950	sub find {
1381	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1382		1952
1383	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1384		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1386		1957
1387	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1389	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1390	or return;	1963	or return;
1391		1964
1392	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1393		1966
1394	$map->load_header	1967	$map->load_header
1395	or return;	1968	or return;
1396		1969
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1400	$map->reset;	1975	$map->reset;
1401	undef $guard;
1402	return find $path;	1976	return find $path;
1403	}	1977	}
1404		1978
1405	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1406	}	1980	}
…		…
1413	my ($self) = @_;	1987	my ($self) = @_;
1414		1988
1415	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1416		1990
1417	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1419		1995
		1996	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1998
1422	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1423		2000
1424	$self->alloc;	2001	$self->alloc;
1425		2002
1426	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1427		2005
1428	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1429	or return;	2009	or return;
1430		2010
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1432	if delete $self->{load_original};	2012	if delete $self->{load_original};
1433		2013
1434	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2015	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2018	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1439	}	2022	}
1440	}	2023	}
1441		2024
1442	Coro::cede;	2025	$f->resolve_delayed_derefs;
1443		2026
		2027	cf::cede_to_tick;
1444	# now do the right thing for maps	2028	# now do the right thing for maps
1445	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2031	unless $self->difficulty;
1455	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1456	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2048	}
1458		2049
1459	$self->post_load;	2050	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2051	}
1463		2052
1464	sub customise_for {	2053	sub customise_for {
1465	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1466		2055
1467	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2057	if $self->per_player;
1469		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1470	$self	2062	$self
1471	}	2063	}
1472		2064
1473	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2066	sub load_neighbours {
1475	my ($map) = @_;	2067	my ($map) = @_;
1476		2068
1477	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1478		2070
1479	for (0 .. 3) {	2071	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1481	or next;	2073	or next;
1482	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1483	or next;	2075	or next;
1484	$neigh->load;	2076	$neigh->load;
1485		2077
		2078	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2081	}
1489		2082
1490	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1492	or next;	2086	or next;
1493	$neigh->load;	2087	$neigh->load;
1494	}	2088	}
1495	}	2089	}
1496		2090
…		…
1501	}	2095	}
1502		2096
1503	sub do_load_sync {	2097	sub do_load_sync {
1504	my ($map) = @_;	2098	my ($map) = @_;
1505		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1506	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1507	}	2104	}
1508		2105
1509	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1511		2108
1512	sub find_async {	2109	sub find_async {
1513	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1514		2111
1515	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1516		2113
1517	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2116	}
1520		2117
1521	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1522	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1523	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2125	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2126	$map->load if $v;
		2127	}
1528		2128
1529	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1530	}	2130	}
1531	}	2131	}
1532	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1533	};	2133	};
1534	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2137	}
1538		2138
1539	sub save {	2139	sub save {
1540	my ($self) = @_;	2140	my ($self) = @_;
1541		2141
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2143
1544	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1545		2145
1546	return unless $self->dirty;	2146	return unless $self->dirty;
1547		2147
…		…
1553	return if $self->{deny_save};	2153	return if $self->{deny_save};
1554		2154
1555	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1556		2156
1557	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1559	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1560		2163
1561	if ($uniq) {	2164	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2167	} else {
…		…
1570	my ($self) = @_;	2173	my ($self) = @_;
1571		2174
1572	# save first because save cedes	2175	# save first because save cedes
1573	$self->save;	2176	$self->save;
1574		2177
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2179
1577	return if $self->players;	2180	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2182	return if $self->{deny_save};
1580		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2188	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2189	}
1584		2190
1585	sub reset_at {	2191	sub reset_at {
1586	my ($self) = @_;	2192	my ($self) = @_;
1587		2193
1588	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1591		2196
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2199
…		…
1605	my ($self) = @_;	2210	my ($self) = @_;
1606		2211
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2213
1609	return if $self->players;	2214	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2215
1612	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1613		2217
1614	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1615		2219
1616	# need to save uniques path	2220	# need to save uniques path
1617	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2225	if $uniq;
1622	}	2226	}
1623		2227
1624	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1625		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2232	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2233
1630	$self->unlink_save;	2234	$self->unlink_save;
1631	$self->destroy;	2235	$self->destroy;
1632	}	2236	}
1633		2237
1634	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1635		2239
1636	sub nuke {	2240	sub nuke {
1637	my ($self) = @_;	2241	my ($self) = @_;
1638		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1639	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1640		2247
1641	$self->unlink_save;	2248	$self->unlink_save;
1642		2249
1643	bless $self, "cf::map";	2250	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2255
1649	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1650		2258
1651	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1652	}	2296	}
1653		2297
1654	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1655		2299
1656	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2301	instantiated unique items. May block.
1658		2302
1659	=cut	2303	=cut
1660		2304
1661	sub unique_maps() {	2305	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1663	or return;	2307	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2308	utf8::decode $_;
1669	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2311	? ()
1672	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2314	]
1674
1675	\@paths
1676	}	2315	}
1677
1678	package cf;
1679		2316
1680	=back	2317	=back
1681		2318
1682	=head3 cf::object	2319	=head3 cf::object
1683		2320
…		…
1687		2324
1688	=over 4	2325	=over 4
1689		2326
1690	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1691		2328
1692	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1693		2331
1694	=cut	2332	=cut
1695		2333
1696	sub inv_recursive_;	2334	sub inv_recursive_;
1697	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1700		2338
1701	sub inv_recursive {	2339	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1703	}	2341	}
1704		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1705	package cf;	2371	package cf;
1706		2372
1707	=back	2373	=back
1708		2374
1709	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1718		2384
1719	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1720		2400
1721	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2402	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1726		2406
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2408
1729	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1731	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1734	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1735	}	2434	}
1736		2435
1737	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1738		2437
1739	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1752		2451
1753	=item $player_object->enter_link	2452	=item $player_object->enter_link
1754		2453
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2455
1757	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1759		2460
1760	Will never block.	2461	Will never block.
1761		2462
1762	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1763		2464
…		…
1786	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1787		2488
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2490
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1792		2493
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2495	}
1795		2496
1796	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1798		2501
1799	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1800		2503
1801	unless ($map) {	2504	unless ($map) {
1802	# restore original map position	2505	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1819		2522
1820	$map->load;	2523	$map->load;
1821	$map->load_diag;	2524	$map->load_neighbours;
1822		2525
1823	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2528	$self->activate_recursive;
1825		2529
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1828	}	2532	}
1829		2533
1830	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2535
1834	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1838	};	2540	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2541
1844	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2544
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1865		2548
1866	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2554
1869	$self->enter_link;	2555	$self->enter_link;
1870		2556
1871	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1872	my $map = eval {	2579	my $map = eval {
1873	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1875	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2595	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1880	})->prio (1);	2603	})->prio (1);
1881	}	2604	}
1882		2605
1883	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1884		2607
…		…
1904	}	2627	}
1905		2628
1906	sub prepare_random_map {	2629	sub prepare_random_map {
1907	my ($exit) = @_;	2630	my ($exit) = @_;
1908		2631
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2634	# that depends on the exit object
1914		2635
1915	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2638	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1922	}	2645	}
1923		2646
1924	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1925		2648
1926	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1929		2652
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2655	undef $fh;
1933	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1934		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1937	}	2664	}
1938	}	2665	}
1939		2666
1940	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1942		2669
1943	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1944		2671
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2672	$self->enter_link;
1955		2673
1956	(async {	2674	(async {
1957	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1958	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
1959	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1960		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1961	1;	2698	1
1962	}) {	2699	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2704
1968	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2706	$self->leave_link;
1970	}	2707	}
1971	})->prio (1);	2708	})->prio (1);
…		…
1987		2724
1988	utf8::encode $text;	2725	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2727	}
1991		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
		2880	=item $client->ext_msg ($type, @msg)
		2881
		2882	Sends an ext event to the client.
		2883
		2884	=cut
		2885
		2886	sub cf::client::ext_msg($$@) {
		2887	my ($self, $type, @msg) = @_;
		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
		2892	push @msg, msgtype => "event_$type";
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
		2913	}
1992		2914
1993	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
1994		2916
1995	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2920
1999	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2922	become reliable at some point in the future.
2001		2923
2002	=cut	2924	=cut
2003		2925
2004	sub cf::client::query {	2926	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2935	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2937
2016	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2018	}	2942	}
2019		2943
2020	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2021	on_reply => sub {	2950	on_reply => sub {
2022	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2023		2952
2024	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2025	# get handled first	2954	# get handled first
…		…
2037	} else {	2966	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2968	}
2040	}	2969	}
2041	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2042	);	2997	);
2043		2998
2044	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2045		3000
2046	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2089		3044
2090	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2091		3046
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2093		3052
2094	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2095		3054
2096	=pod	3055	=pod
2097		3056
2098	The following fucntions and emthods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2099		3058
2100	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2101	cf::object::player player	3063	cf::object::player
2102	cf::player peaceful	3064	player
2103	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2104		3071
2105	=cut	3072	=cut
2106		3073
2107	for (	3074	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2109	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2112	) {	3081	) {
2113	no strict 'refs';	3082	no strict 'refs';
…		…
2184	=back	3153	=back
2185		3154
2186	=cut	3155	=cut
2187		3156
2188	#############################################################################	3157	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3158	# the server's init and main functions
2262		3159
2263	sub load_faces {	3160	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3161	my ($path) = @_;
2265		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
2266	warn "loading faces from $path\n";	3169	warn "loading facedata from $path\n";
2267		3170
2268	my $faces;	3171	my $facedata;
2269	0 < aio_load $path, $faces	3172	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3173	or die "$path: $!";
2271		3174
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3175	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3176
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3177	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
		3187	{
		3188	my $faces = $facedata->{faceinfo};
		3189
2280	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3192
		3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
2287	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2289	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2290	or next;	3205	or next;
		3206
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3210	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3212	}
2296	Coro::cede;	3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
2297	}	3218	{
		3219	my $anims = $facedata->{animinfo};
		3220
		3221	while (my ($anim, $info) = each %$anims) {
		3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	cf::anim::invalidate_all; # d'oh
		3227	}
		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2298		3263
2299	1	3264	1
2300	}	3265	}
2301		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
		3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
		3324	sub reload_archetypes {
		3325	load_resource_file "$DATADIR/archetypes"
		3326	or die "unable to load archetypes\n";
		3327	}
		3328
		3329	sub reload_treasures {
		3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
		3332	}
		3333
2302	sub reload_resources {	3334	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3335	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3336
2305	load_faces	3337	reload_facedata;
2306	or die "unable to load faces\n";#d#	3338	reload_archetypes;
		3339	reload_regions;
		3340	reload_treasures;
		3341
		3342	warn "finished reloading resource files\n";
2307	}	3343	}
2308		3344
2309	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
2310	reload_resources;	3350	reload_resources;
2311	}	3351	}
2312		3352
2313	sub cfg_load {	3353	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3355	or return;
2316		3356
2317	local $/;	3357	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2319		3359
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3361
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2329	};	3369	};
2330	warn $@ if $@;	3370	warn $@ if $@;
2331	}	3371	}
2332	}	3372	}
2333		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
2334	sub main {	3393	sub main {
		3394	atomic;
		3395
2335	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3399	(async {
2339	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2341	};	3403	};
2342		3404
2343	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2344	db_init;	3408	db_init;
2345	load_extensions;	3409	load_extensions;
2346		3410
2347	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
2348	Event::loop;	3419	EV::loop;
2349	}	3420	}
2350		3421
2351	#############################################################################	3422	#############################################################################
2352	# initialisation and cleanup	3423	# initialisation and cleanup
2353		3424
2354	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2355	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2364	},
2365	);	3431	};
		3432	}
		3433	}
		3434
		3435	sub write_runtime_sync {
		3436	# first touch the runtime file to show we are still running:
		3437	# the fsync below can take a very very long time.
		3438
		3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3440
		3441	my $guard = cf::lock_acquire "write_runtime";
		3442
		3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3444	or return;
		3445
		3446	my $value = $cf::RUNTIME + 90 + 10;
		3447	# 10 is the runtime save interval, for a monotonic clock
		3448	# 60 allows for the watchdog to kill the server.
		3449
		3450	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3451	and return;
		3452
		3453	# always fsync - this file is important
		3454	aio_fsync $fh
		3455	and return;
		3456
		3457	# touch it again to show we are up-to-date
		3458	aio_utime $fh, undef, undef;
		3459
		3460	close $fh
		3461	or return;
		3462
		3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3464	and return;
		3465
		3466	warn "runtime file written.\n";
		3467
2366	}	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2367	}	3512	}
2368		3513
2369	sub emergency_save() {	3514	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2371		3516
…		…
2377	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2379	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3528	$pl->save;
2383	}	3529	}
2384	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2385		3531
2386	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2392	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2393		3539
2394	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2397	};	3547	};
2398		3548
2399	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2400	}	3550	}
2401		3551
2402	sub post_cleanup {	3552	sub post_cleanup {
2403	my ($make_core) = @_;	3553	my ($make_core) = @_;
2404		3554
2405	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3556	if $make_core;
2407	}
2408		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
		3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
		3589
2409	sub reload() {	3590	sub do_reload_perl() {
2410	# can/must only be called in main	3591	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2413	return;	3594	return;
2414	}	3595	}
2415		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2416	warn "reloading...";	3600	warn "reloading...";
2417		3601
2418	warn "entering sync_job";	3602	warn "entering sync_job";
2419		3603
2420	cf::sync_job {	3604	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2422	cf::emergency_save;	3606	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
2424		3608
2425	warn "syncing database to disk";	3609	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3611
2428	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
2429		3613
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2441	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();
2449
2450	warn "removing commands";
2451	%COMMAND = ();
2452
2453	warn "removing ext commands";
2454	%EXTCMD = ();
2455
2456	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";
2459
2460	if (my $cb = $pkg->can ("unload")) {
2461	eval {
2462	$cb->($pkg);
2463	1
2464	} or warn "$pkg unloaded, but with errors: $@";
2465	}	3617	}
2466		3618
2467	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2468	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2469	}	3621	%EXT_CORO = ();
2470		3622
2471	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2472	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2475	warn "... unloading $k";	3632	warn "... unloading $pkg";
2476	delete $INC{$k};
2477		3633
2478	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;
2480
2481	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2482	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2483	}	3643	}
2484		3644
2485	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
2486	}	3660	}
2487		3661
2488	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3665
2492	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
		3668	delete $INC{"cf/pod.pm"};
2494		3669
2495	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3671	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2498		3673
2499	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2500		3675
2501	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2502	require cf;	3677	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3679
2505	warn "loading config and database again";	3680	warn "loading config and database again";
2506	cf::cfg_load;	3681	cf::reload_config;
2507		3682
2508	warn "loading extensions";	3683	warn "loading extensions";
2509	cf::load_extensions;	3684	cf::load_extensions;
2510		3685
2511	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
2517		3692
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3693	warn "leaving sync_job";
2522		3694
2523	1	3695	1
2524	} or do {	3696	} or do {
2525	warn $@;	3697	warn $@;
2526	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2527	exit 1;	3699	};
		3700
		3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
		3704	};
		3705
		3706	our $RELOAD_WATCHER; # used only during reload
		3707
		3708	sub reload_perl() {
		3709	# doing reload synchronously and two reloads happen back-to-back,
		3710	# coro crashes during coro_state_free->destroy here.
		3711
		3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3713	do_reload_perl;
		3714	undef $RELOAD_WATCHER;
2528	};	3715	};
2529		3716	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		3717
2535	register_command "reload" => sub {	3718	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2537		3720
2538	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
2540		3723	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3724	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3725	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3726	};
2553	}	3727	}
2554	};	3728	};
2555		3729
2556	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2557		3731
2558	my $bug_warning = 0;	3732	my $bug_warning = 0;
2559		3733
2560	$TICK_WATCHER = Event->timer (	3734	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3735	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3736
2563	prio => 0,	3737	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	3739
2566	cb => sub {	3740	my $signal = new Coro::Signal;
		3741	push @WAIT_FOR_TICK, $signal;
		3742	$signal->wait;
		3743	}
		3744
		3745	sub wait_for_tick_begin {
		3746	return if tick_inhibit || $Coro::current == $Coro::main;
		3747
		3748	my $signal = new Coro::Signal;
		3749	push @WAIT_FOR_TICK_BEGIN, $signal;
		3750	$signal->wait;
		3751	}
		3752
		3753	sub tick {
2567	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2570	return;	3757	return;
2571	}	3758	}
2572		3759
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		3761
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3764	Coro::async_pool {
		3765	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3766	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	3767	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3768	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3769	}
2599	);	3770
		3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3772	$sig->send;
		3773	}
		3774	while (my $sig = shift @WAIT_FOR_TICK) {
		3775	$sig->send;
		3776	}
		3777
		3778	$LOAD = ($NOW - $TICK_START) / $TICK;
		3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3780
		3781	if (0) {
		3782	if ($NEXT_TICK) {
		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
		3787	}
		3788	}
2600		3789
2601	{	3790	{
2602	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3792
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
2612		3794	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3796
2628	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		3804
2631	cf::sync_job {	3805	cf::sync_job {
2632	eval {	3806	eval {
2633	BDB::db_env_open	3807	BDB::db_env_open
2634	$DB_ENV,	3808	$DB_ENV,
2635	$BDB_ENV_DIR,	3809	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3812	0666;
2639		3813
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3815	};
2645		3816
2646	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3818	};
2648	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
2649	}	3830	}
2650		3831
2651	{	3832	{
		3833	# configure IO::AIO
		3834
2652	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	3838	}
		3839
		3840	my $_log_backtrace;
		3841
		3842	sub _log_backtrace {
		3843	my ($msg, @addr) = @_;
		3844
		3845	$msg =~ s/\n//;
		3846
		3847	# limit the # of concurrent backtraces
		3848	if ($_log_backtrace < 2) {
		3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
		3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
		3854	my @bt = fork_call {
		3855	@addr = map { sprintf "%x", $_ } @addr;
		3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3858	or die "addr2line: $!";
		3859
		3860	my @funcs;
		3861	my @res = <$fh>;
		3862	chomp for @res;
		3863	while (@res) {
		3864	my ($func, $line) = splice @res, 0, 2, ();
		3865	push @funcs, "[$func] $line";
		3866	}
		3867
		3868	@funcs
		3869	};
		3870
		3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
		3879	}
		3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2665		3884
2666	END { cf::emergency_save }	3885	END { cf::emergency_save }
2667		3886
2668	1	3887	1
2669		3888

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