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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		69
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		73
40	our %COMMAND = ();	74	our %COMMAND = ();
41	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
42		76
43	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
47		82
48	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
49	our @EVENT;	84	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		85
52	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	87	our $DATADIR = datadir;
54	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	101	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	107	our $DB_ENV;
62		108
63	our %CFG;	109	our %CFG;
64		110
65	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
67		114
68	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		118
77	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
80	binmode STDOUT;	127	binmode STDOUT;
81	binmode STDERR;	128	binmode STDERR;
82		129
83	# read virtual server time, if available	130	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
88	}	135	}
89		136
90	mkdir cf::localdir;	137	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		139
97	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
98		141
99	sub cf::map::normalise;	142	sub cf::map::normalise;
100		143
…		…
111	=item $cf::RUNTIME	154	=item $cf::RUNTIME
112		155
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	157	every server tick.
115		158
116	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		162
118	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
120		167
121	=item $cf::NOW	168	=item $cf::NOW
122		169
123	The time of the last (current) server tick.	170	The time of the last (current) server tick.
124		171
125	=item $cf::TICK	172	=item $cf::TICK
126		173
127	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
128		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
129	=item %cf::CFG	186	=item %cf::CFG
130		187
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	189	from wherever your confdir points to.
133		190
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		192
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
140		202
141	=back	203	=back
142		204
143	=cut	205	=cut
144		206
145	BEGIN {	207	BEGIN {
146	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	209	my $msg = join "", @_;
148	utf8::encode $msg;
149		210
150	$msg .= "\n"	211	$msg .= "\n"
151	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
152		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
153	LOG llevError, $msg;	216	LOG llevError, $msg;
154	};	217	};
155	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
156		234
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		242
164	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	244	# within the Safe compartment.
166	for my $pkg (qw(	245	for my $pkg (qw(
167	cf::global cf::attachable	246	cf::global cf::attachable
168	cf::object cf::object::player	247	cf::object cf::object::player
169	cf::client cf::player	248	cf::client cf::player
170	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
171	cf::map cf::party cf::region	251	cf::party cf::region
172	)) {	252	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	254	}
176		255
177	$Event::DIED = sub {	256	$EV::DIED = sub {
178	warn "error in event callback: @_";	257	warn "error in event callback: @_";
179	};	258	};
		259
		260	#############################################################################
180		261
181	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
182		263
183	=over 4	264	=over 4
184		265
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	285	$d
205	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
206	}	287	}
207		288
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
211		290
212	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
213		292
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
222		294
223	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
224		296
225	=cut	297	=cut
226		298
227	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
229	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
230	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
231		303
232	=item cf::lock_wait $string	304	=item cf::lock_wait $string
233		305
234	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
235		307
…		…
238	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
241	returned.	313	returned.
242		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
243	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
245		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
246	=cut	325	=cut
247		326
248	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
249		329
250	sub lock_wait($) {	330	sub lock_wait($) {
251	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
252		337
253	# wait for lock, if any	338	# wait for lock, if any
254	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	341	Coro::schedule;
…		…
262		347
263	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
264	lock_wait $key;	349	lock_wait $key;
265		350
266	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
267		353
268	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
271	}	358	}
272	}	359	}
273		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
274	sub freeze_mainloop {	367	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
276		369
277	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
278	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
279	};	431	}
280	$TICK_WATCHER->stop;	432	};
281	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
282	}	446	}
283		447
284	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
285		449
286	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		455
292	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
293		457
294	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
295		459
296	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
299		464
300	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
303	fast or be very important.	468	fast or be very important.
…		…
306		471
307	sub sync_job(&) {	472	sub sync_job(&) {
308	my ($job) = @_;	473	my ($job) = @_;
309		474
310	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
311	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
313		480
314	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	482
316	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
317		484
318	my $busy = 1;	485	my $busy = 1;
319	my @res;	486	my @res;
320		487
321	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	490	@res = eval { $job->() };
323	warn $@ if $@;	491	warn $@ if $@;
324	undef $busy;	492	undef $busy;
325	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
326		494
327	while ($busy) {	495	while ($busy) {
328	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
329	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
330		506
331	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
332	} else {	508	} else {
333	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
334		510
…		…
354	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
355		531
356	$coro	532	$coro
357	}	533	}
358		534
359	sub write_runtime {	535	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		536
362	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
363		541
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
365	or return;
366		543
367	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		546
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
372	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
373		550
374	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	552	reset_signals;
376	and return;	553	&$cb
		554	}, @args;
377		555
378	close $fh	556	wantarray ? @res : $res[-1]
379	or return;	557	}
380		558
381	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
382	and return;
383		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
384	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	722	}
386		723
387	=back	724	=back
388		725
389	=cut	726	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
398		735
399	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	738	Deliantra).
402		739
403	=over 4	740	=over 4
404		741
405	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
406		743
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
570		907
571	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		912
576	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	914	my $pkg = shift @arg;
578		915
579	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
609	}	946	}
610		947
611	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
612	} else {	949	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	951	}
615		952
616	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
617	}	954	}
618		955
…		…
620	if (ref $_[0]) {	957	if (ref $_[0]) {
621	_object_attach @_;	958	_object_attach @_;
622	} else {	959	} else {
623	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
624	}	961	}
		962	_recalc_want;
625	};	963	};
626		964
627	# all those should be optimised	965	# all those should be optimised
628	sub cf::attachable::detach {	966	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
633	reattach ($obj);	971	reattach ($obj);
634	} else {	972	} else {
635	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
636	}	974	}
		975	_recalc_want;
637	};	976	};
638		977
639	sub cf::attachable::attached {	978	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
641		980
…		…
656	";	995	";
657	die if $@;	996	die if $@;
658	}	997	}
659		998
660	our $override;	999	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1001
663	sub override {	1002	sub override {
664	$override = 1;	1003	$override = 1;
665	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
666	}	1005	}
667		1006
668	sub do_invoke {	1007	sub do_invoke {
669	my $event = shift;	1008	my $event = shift;
670	my $callbacks = shift;	1009	my $callbacks = shift;
671		1010
672	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
673		1012
674	local $override;	1013	local $override;
675		1014
676	for (@$callbacks) {	1015	for (@$callbacks) {
677	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
686	}	1025	}
687		1026
688	0	1027	0
689	}	1028	}
690		1029
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1031
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1033
695	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
696		1035
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1039
701	=back	1040	=back
702		1041
703	=cut	1042	=cut
704		1043
705	#############################################################################	1044	#############################################################################
706	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
707		1088
708	sub reattach {	1089	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1091	my ($obj) = @_;
711		1092
		1093	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1095
714	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
715		1097
716	@$registry = ();	1098	@$registry = ();
717		1099
…		…
732	cf::attachable->attach (	1114	cf::attachable->attach (
733	prio => -1000000,	1115	prio => -1000000,
734	on_instantiate => sub {	1116	on_instantiate => sub {
735	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
736		1118
737	$data = from_json $data;	1119	$data = decode_json $data;
738		1120
739	for (@$data) {	1121	for (@$data) {
740	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
741		1123
742	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1140	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
760		1142
761	sync_job {	1143	sync_job {
762	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
765		1148
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1153	aio_close $fh;
771		1154
772	if (@$objs) {	1155	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1161	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
780	}	1163	}
781	} else {	1164	} else {
782	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
783	}	1166	}
…		…
788	}	1171	}
789	} else {	1172	} else {
790	aio_unlink $filename;	1173	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
792	}	1175	}
793	}	1176	};
794	}	1177	}
795		1178
796	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
798		1181
…		…
810	or return;	1193	or return;
811		1194
812	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
814	or return;	1197	or return;
		1198
815	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
816	}	1201	}
817		1202
		1203	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
820	return ($data, $av);	1207	($data, $av)
821	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
822		1215
823	#############################################################################	1216	#############################################################################
824	# command handling &c	1217	# command handling &c
825		1218
826	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1233	}
841		1234
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1236
844	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
845		1242
846	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
847	called.	1244	called.
848		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
849	=cut	1257	=cut
850		1258
851	sub register_extcmd {	1259	sub register_extcmd {
852	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
853		1261
854	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
855	}	1269	}
856		1270
857	cf::player->attach (	1271	cf::player->attach (
858	on_command => sub {	1272	on_command => sub {
859	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1282	cf::override;
869	},	1283	},
870	on_extcmd => sub {	1284	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
872		1286
873	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1288
875	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
881	} else {	1304	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1306	}
884		1307
885	cf::override;	1308	cf::override;
886	},	1309	},
887	);	1310	);
888		1311
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
924	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1317	next unless -r $path;
926	eval {	1318
927	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
928	1	1375	}
929	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
930	}	1381	};
931	}	1382	}
932		1383
933	#############################################################################	1384	#############################################################################
934		1385
		1386	=back
		1387
935	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
936		1389
937	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
938		1391
939	=cut	1392	=cut
…		…
944		1397
945	=head3 cf::player	1398	=head3 cf::player
946		1399
947	=over 4	1400	=over 4
948		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
949	=item cf::player::find $login	1416	=item cf::player::find $login
950		1417
951	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
952		1419
953	=cut	1420	=cut
954		1421
955	sub playerdir($) {	1422	sub playerdir($) {
956	cf::localdir	1423	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1425	}
962		1426
963	sub path($) {	1427	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1429
966	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
967	}	1431	}
968		1432
969	sub find_active($) {	1433	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1448	my $login = $_[0];
985		1449
986	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
987		1451
988	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
990	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
992	}	1469	}
993	}	1470	}
994	}	1471	}
995		1472
…		…
1004	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1005		1482
1006	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1008		1485
		1486	cf::get_slot 0.01;
		1487
1009	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1010	Coro::cede;	1489	cf::cede_to_tick;
1011	}	1490	}
1012		1491
1013	sub new($) {	1492	sub new($) {
1014	my ($login) = @_;	1493	my ($login) = @_;
1015		1494
…		…
1021	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1022		1501
1023	$self	1502	$self
1024	}	1503	}
1025		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1026	=item $pl->quit_character	1515	=item $pl->quit_character
1027		1516
1028	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1030		1519
…		…
1034	my ($pl) = @_;	1523	my ($pl) = @_;
1035		1524
1036	my $name = $pl->ob->name;	1525	my $name = $pl->ob->name;
1037		1526
1038	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1529
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1045		1536
1046	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1078		1569
1079	=cut	1570	=cut
1080		1571
1081	sub list_logins {	1572	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1574	or return [];
1084		1575
1085	my @logins;	1576	my @logins;
1086		1577
1087	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1091		1588
1092	utf8::decode $login;	1589	utf8::decode $login;
1093	push @logins, $login;	1590	push @logins, $login;
1094	}	1591	}
1095		1592
…		…
1122	}	1619	}
1123		1620
1124	\@paths	1621	\@paths
1125	}	1622	}
1126		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1628	=item $player->ext_reply ($msgid, @msg)
1128		1629
1129	Sends an ext reply to the player.	1630	Sends an ext reply to the player.
1130		1631
1131	=cut	1632	=cut
1132		1633
1133	sub ext_reply($$$%) {	1634	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1635	my ($self, $id, @msg) = @_;
1135		1636
1136	$msg{msgid} = $id;	1637	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1638	}
1140		1639
1141	package cf;	1640	=item $player->ext_msg ($type, @msg)
		1641
		1642	Sends an ext event to the client.
		1643
		1644	=cut
		1645
		1646	sub ext_msg($$@) {
		1647	my ($self, $type, @msg) = @_;
		1648
		1649	$self->ns->ext_msg ($type, @msg);
		1650	}
		1651
		1652	=head3 cf::region
		1653
		1654	=over 4
		1655
		1656	=cut
		1657
		1658	package cf::region;
		1659
		1660	=item cf::region::find_by_path $path
		1661
		1662	Tries to decuce the likely region for a map knowing only its path.
		1663
		1664	=cut
		1665
		1666	sub find_by_path($) {
		1667	my ($path) = @_;
		1668
		1669	my ($match, $specificity);
		1670
		1671	for my $region (list) {
		1672	if ($region->{match} && $path =~ $region->{match}) {
		1673	($match, $specificity) = ($region, $region->specificity)
		1674	if $region->specificity > $specificity;
		1675	}
		1676	}
		1677
		1678	$match
		1679	}
1142		1680
1143	=back	1681	=back
1144
1145		1682
1146	=head3 cf::map	1683	=head3 cf::map
1147		1684
1148	=over 4	1685	=over 4
1149		1686
…		…
1161	our $MAX_RESET = 3600;	1698	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1699	our $DEFAULT_RESET = 3000;
1163		1700
1164	sub generate_random_map {	1701	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1702	my ($self, $rmp) = @_;
		1703
		1704	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1705
1166	# mit "rum" bekleckern, nicht	1706	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1707	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1708	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1709	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1710	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1204	my ($self, $merge) = @_;	1744	my ($self, $merge) = @_;
1205		1745
1206	# we have to keep some variables in memory intact	1746	# we have to keep some variables in memory intact
1207	local $self->{path};	1747	local $self->{path};
1208	local $self->{load_path};	1748	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1749
1212	$self->SUPER::thawer_merge ($merge);	1750	$self->SUPER::thawer_merge ($merge);
1213	}	1751	}
1214		1752
1215	sub normalise {	1753	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1800	$self->init; # pass $1 etc.
1263	return $self;	1801	return $self;
1264	}	1802	}
1265	}	1803	}
1266		1804
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1805	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1806	()
1269	}	1807	}
1270		1808
1271	sub init {	1809	sub init {
1272	my ($self) = @_;	1810	my ($self) = @_;
…		…
1287		1825
1288	# the original (read-only) location	1826	# the original (read-only) location
1289	sub load_path {	1827	sub load_path {
1290	my ($self) = @_;	1828	my ($self) = @_;
1291		1829
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1830	"$MAPDIR/$self->{path}.map"
1293	}	1831	}
1294		1832
1295	# the temporary/swap location	1833	# the temporary/swap location
1296	sub save_path {	1834	sub save_path {
1297	my ($self) = @_;	1835	my ($self) = @_;
1298		1836
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1837	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1838	"$TMPDIR/$path.map"
1301	}	1839	}
1302		1840
1303	# the unique path, undef == no special unique path	1841	# the unique path, undef == no special unique path
1304	sub uniq_path {	1842	sub uniq_path {
1305	my ($self) = @_;	1843	my ($self) = @_;
1306		1844
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1845	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1846	"$UNIQUEDIR/$path"
1309	}	1847	}
1310		1848
1311	# and all this just because we cannot iterate over	1849	# and all this just because we cannot iterate over
1312	# all maps in C++...	1850	# all maps in C++...
1313	sub change_all_map_light {	1851	sub change_all_map_light {
…		…
1315		1853
1316	$_->change_map_light ($change)	1854	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1855	for grep $_->outdoor, values %cf::MAP;
1318	}	1856	}
1319		1857
		1858	sub decay_objects {
		1859	my ($self) = @_;
		1860
		1861	return if $self->{deny_reset};
		1862
		1863	$self->do_decay_objects;
		1864	}
		1865
1320	sub unlink_save {	1866	sub unlink_save {
1321	my ($self) = @_;	1867	my ($self) = @_;
1322		1868
1323	utf8::encode (my $save = $self->save_path);	1869	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1870	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1873
1328	sub load_header_from($) {	1874	sub load_header_from($) {
1329	my ($self, $path) = @_;	1875	my ($self, $path) = @_;
1330		1876
1331	utf8::encode $path;	1877	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1878	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1879	or return;
		1880
		1881	$self->_load_header ($f)
		1882	or return;
		1883
		1884	local $MAP_LOADING{$self->{path}} = $self;
		1885	$f->resolve_delayed_derefs;
1337		1886
1338	$self->{load_path} = $path;	1887	$self->{load_path} = $path;
1339		1888
1340	1	1889	1
1341	}	1890	}
…		…
1380	$self->load_header_orig	1929	$self->load_header_orig
1381	or return;	1930	or return;
1382	$self->prepare_orig;	1931	$self->prepare_orig;
1383	}	1932	}
1384		1933
		1934	$self->{deny_reset} = 1
		1935	if $self->no_reset;
		1936
		1937	$self->default_region (cf::region::find_by_path $self->{path})
		1938	unless $self->default_region;
		1939
1385	1	1940	1
1386	}	1941	}
1387		1942
1388	sub find;	1943	sub find;
1389	sub find {	1944	sub find {
1390	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1391		1946
1392	$path = normalise $path, $origin && $origin->path;	1947	$path = normalise $path, $origin && $origin->path;
1393		1948
		1949	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1950	cf::lock_wait "map_find:$path";
1395		1951
1396	$cf::MAP{$path} || do {	1952	$cf::MAP{$path} || do {
		1953	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1397	my $guard = cf::lock_acquire "map_find:$path";	1954	my $guard2 = cf::lock_acquire "map_find:$path";
		1955
1398	my $map = new_from_path cf::map $path	1956	my $map = new_from_path cf::map $path
1399	or return;	1957	or return;
1400		1958
1401	$map->{last_save} = $cf::RUNTIME;	1959	$map->{last_save} = $cf::RUNTIME;
1402		1960
1403	$map->load_header	1961	$map->load_header
1404	or return;	1962	or return;
1405		1963
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1964	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1965	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1966	#$cf::WAIT_FOR_TICK->wait;
		1967	undef $guard2;
		1968	undef $guard1;
1409	$map->reset;	1969	$map->reset;
1410	undef $guard;
1411	return find $path;	1970	return find $path;
1412	}	1971	}
1413		1972
1414	$cf::MAP{$path} = $map	1973	$cf::MAP{$path} = $map
1415	}	1974	}
…		…
1422	my ($self) = @_;	1981	my ($self) = @_;
1423		1982
1424	local $self->{deny_reset} = 1; # loading can take a long time	1983	local $self->{deny_reset} = 1; # loading can take a long time
1425		1984
1426	my $path = $self->{path};	1985	my $path = $self->{path};
		1986
		1987	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1988	my $guard = cf::lock_acquire "map_data:$path";
1428		1989
		1990	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1991	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		1992
1431	$self->in_memory (cf::MAP_LOADING);	1993	$self->in_memory (cf::MAP_LOADING);
1432		1994
1433	$self->alloc;	1995	$self->alloc;
1434		1996
1435	$self->pre_load;	1997	$self->pre_load;
		1998	cf::cede_to_tick;
1436		1999
1437	$self->_load_objects ($self->{load_path}, 1)	2000	my $f = new_from_file cf::object::thawer $self->{load_path};
		2001	$f->skip_block;
		2002	$self->_load_objects ($f)
1438	or return;	2003	or return;
1439		2004
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2005	$self->post_load_original
1441	if delete $self->{load_original};	2006	if delete $self->{load_original};
1442		2007
1443	if (my $uniq = $self->uniq_path) {	2008	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2009	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2010	unless (aio_stat $uniq) {
		2011	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2012	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2013	$self->_load_objects ($f);
		2014	$f->resolve_delayed_derefs;
		2015	}
1448	}	2016	}
1449	}	2017	}
1450		2018
1451	Coro::cede;	2019	$f->resolve_delayed_derefs;
1452		2020
		2021	cf::cede_to_tick;
1453	# now do the right thing for maps	2022	# now do the right thing for maps
1454	$self->link_multipart_objects;	2023	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2024	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2025	unless $self->difficulty;
1464	Coro::cede;	2026	cf::cede_to_tick;
		2027
		2028	unless ($self->{deny_activate}) {
		2029	$self->decay_objects;
		2030	$self->fix_auto_apply;
		2031	$self->update_buttons;
		2032	cf::cede_to_tick;
		2033	$self->set_darkness_map;
		2034	cf::cede_to_tick;
1465	$self->activate;	2035	$self->activate;
		2036	}
		2037
		2038	$self->{last_save} = $cf::RUNTIME;
		2039	$self->last_access ($cf::RUNTIME);
		2040
		2041	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2042	}
1467		2043
1468	$self->post_load;	2044	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2045	}
1472		2046
1473	sub customise_for {	2047	sub customise_for {
1474	my ($self, $ob) = @_;	2048	my ($self, $ob) = @_;
1475		2049
1476	return find "~" . $ob->name . "/" . $self->{path}	2050	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2051	if $self->per_player;
1478		2052
		2053	# return find "?party/" . $ob->name . "/" . $self->{path}
		2054	# if $self->per_party;
		2055
1479	$self	2056	$self
1480	}	2057	}
1481		2058
1482	# find and load all maps in the 3x3 area around a map	2059	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2060	sub load_neighbours {
1484	my ($map) = @_;	2061	my ($map) = @_;
1485		2062
1486	my @diag; # diagonal neighbours	2063	my @neigh; # diagonal neighbours
1487		2064
1488	for (0 .. 3) {	2065	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2066	my $neigh = $map->tile_path ($_)
1490	or next;	2067	or next;
1491	$neigh = find $neigh, $map	2068	$neigh = find $neigh, $map
1492	or next;	2069	or next;
1493	$neigh->load;	2070	$neigh->load;
1494		2071
		2072	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2073	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2074	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2075	}
1498		2076
1499	for (@diag) {	2077	for (grep defined $_->[0], @neigh) {
		2078	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2079	my $neigh = find $path, $origin
1501	or next;	2080	or next;
1502	$neigh->load;	2081	$neigh->load;
1503	}	2082	}
1504	}	2083	}
1505		2084
…		…
1510	}	2089	}
1511		2090
1512	sub do_load_sync {	2091	sub do_load_sync {
1513	my ($map) = @_;	2092	my ($map) = @_;
1514		2093
		2094	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2095	if $Coro::current == $Coro::main;
		2096
1515	cf::sync_job { $map->load };	2097	cf::sync_job { $map->load };
1516	}	2098	}
1517		2099
1518	our %MAP_PREFETCH;	2100	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2101	our $MAP_PREFETCHER = undef;
1520		2102
1521	sub find_async {	2103	sub find_async {
1522	my ($path, $origin) = @_;	2104	my ($path, $origin, $load) = @_;
1523		2105
1524	$path = normalise $path, $origin && $origin->{path};	2106	$path = normalise $path, $origin && $origin->{path};
1525		2107
1526	if (my $map = $cf::MAP{$path}) {	2108	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2109	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2110	}
1529		2111
1530	undef $MAP_PREFETCH{$path};	2112	$MAP_PREFETCH{$path} |= $load;
		2113
1531	$MAP_PREFETCHER ||= cf::async {	2114	$MAP_PREFETCHER ||= cf::async {
		2115	$Coro::current->{desc} = "map prefetcher";
		2116
1532	while (%MAP_PREFETCH) {	2117	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2118	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2119	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2120	$map->load if $v;
		2121	}
1537		2122
1538	delete $MAP_PREFETCH{$path};	2123	delete $MAP_PREFETCH{$k};
1539	}	2124	}
1540	}	2125	}
1541	undef $MAP_PREFETCHER;	2126	undef $MAP_PREFETCHER;
1542	};	2127	};
1543	$MAP_PREFETCHER->prio (6);	2128	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2131	}
1547		2132
1548	sub save {	2133	sub save {
1549	my ($self) = @_;	2134	my ($self) = @_;
1550		2135
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2136	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2137
1553	$self->{last_save} = $cf::RUNTIME;	2138	$self->{last_save} = $cf::RUNTIME;
1554		2139
1555	return unless $self->dirty;	2140	return unless $self->dirty;
1556		2141
…		…
1562	return if $self->{deny_save};	2147	return if $self->{deny_save};
1563		2148
1564	local $self->{last_access} = $self->last_access;#d#	2149	local $self->{last_access} = $self->last_access;#d#
1565		2150
1566	cf::async {	2151	cf::async {
		2152	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2153	$_->contr->save for $self->players;
1568	};	2154	};
		2155
		2156	cf::get_slot 0.02;
1569		2157
1570	if ($uniq) {	2158	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2159	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2160	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2161	} else {
…		…
1579	my ($self) = @_;	2167	my ($self) = @_;
1580		2168
1581	# save first because save cedes	2169	# save first because save cedes
1582	$self->save;	2170	$self->save;
1583		2171
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2173
1586	return if $self->players;	2174	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2175	return if $self->in_memory != cf::MAP_ACTIVE;
1588	return if $self->{deny_save};	2176	return if $self->{deny_save};
1589		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	$self->deactivate;
		2181	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2182	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2183	}
1593		2184
1594	sub reset_at {	2185	sub reset_at {
1595	my ($self) = @_;	2186	my ($self) = @_;
1596		2187
1597	# TODO: safety, remove and allow resettable per-player maps	2188	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2189	return 1e99 if $self->{deny_reset};
1600		2190
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2191	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2192	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2193
…		…
1614	my ($self) = @_;	2204	my ($self) = @_;
1615		2205
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2207
1618	return if $self->players;	2208	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2209
1621	warn "resetting map ", $self->path;#d#	2210	warn "resetting map ", $self->path;
1622		2211
1623	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
1624		2213
1625	# need to save uniques path	2214	# need to save uniques path
1626	unless ($self->{deny_save}) {	2215	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2219	if $uniq;
1631	}	2220	}
1632		2221
1633	delete $cf::MAP{$self->path};	2222	delete $cf::MAP{$self->path};
1634		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2226	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2227
1639	$self->unlink_save;	2228	$self->unlink_save;
1640	$self->destroy;	2229	$self->destroy;
1641	}	2230	}
1642		2231
1643	my $nuke_counter = "aaaa";	2232	my $nuke_counter = "aaaa";
1644		2233
1645	sub nuke {	2234	sub nuke {
1646	my ($self) = @_;	2235	my ($self) = @_;
1647		2236
		2237	{
		2238	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2239
1648	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1649		2241
1650	$self->unlink_save;	2242	$self->unlink_save;
1651		2243
1652	bless $self, "cf::map";	2244	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2245	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2246	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2247	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2248	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2249
1658	$cf::MAP{$self->path} = $self;	2250	$cf::MAP{$self->path} = $self;
		2251	}
1659		2252
1660	$self->reset; # polite request, might not happen	2253	$self->reset; # polite request, might not happen
		2254	}
		2255
		2256	=item $maps = cf::map::tmp_maps
		2257
		2258	Returns an arrayref with all map paths of currently instantiated and saved
		2259	maps. May block.
		2260
		2261	=cut
		2262
		2263	sub tmp_maps() {
		2264	[
		2265	map {
		2266	utf8::decode $_;
		2267	/\.map$/
		2268	? normalise $_
		2269	: ()
		2270	} @{ aio_readdir $TMPDIR or [] }
		2271	]
		2272	}
		2273
		2274	=item $maps = cf::map::random_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	random maps. May block.
		2278
		2279	=cut
		2280
		2281	sub random_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise "?random/$_"
		2287	: ()
		2288	} @{ aio_readdir $RANDOMDIR or [] }
		2289	]
1661	}	2290	}
1662		2291
1663	=item cf::map::unique_maps	2292	=item cf::map::unique_maps
1664		2293
1665	Returns an arrayref of paths of all shared maps that have	2294	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2295	instantiated unique items. May block.
1667		2296
1668	=cut	2297	=cut
1669		2298
1670	sub unique_maps() {	2299	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2300	[
1672	or return;	2301	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2302	utf8::decode $_;
1678	next if /\.pst$/;	2303	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2304	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2305	? ()
1681	push @paths, cf::map::normalise $_;	2306	: normalise $_
		2307	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2308	]
1683
1684	\@paths
1685	}	2309	}
1686
1687	package cf;
1688		2310
1689	=back	2311	=back
1690		2312
1691	=head3 cf::object	2313	=head3 cf::object
1692		2314
…		…
1696		2318
1697	=over 4	2319	=over 4
1698		2320
1699	=item $ob->inv_recursive	2321	=item $ob->inv_recursive
1700		2322
1701	Returns the inventory of the object _and_ their inventories, recursively.	2323	Returns the inventory of the object I<and> their inventories, recursively,
		2324	but I<not> the object itself.
1702		2325
1703	=cut	2326	=cut
1704		2327
1705	sub inv_recursive_;	2328	sub inv_recursive_;
1706	sub inv_recursive_ {	2329	sub inv_recursive_ {
…		…
1709		2332
1710	sub inv_recursive {	2333	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2334	inv_recursive_ inv $_[0]
1712	}	2335	}
1713		2336
		2337	=item $ref = $ob->ref
		2338
		2339	Creates and returns a persistent reference to an object that can be stored as a string.
		2340
		2341	=item $ob = cf::object::deref ($refstring)
		2342
		2343	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2344	even if the object actually exists. May block.
		2345
		2346	=cut
		2347
		2348	sub deref {
		2349	my ($ref) = @_;
		2350
		2351	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2352	my ($uuid, $name) = ($1, $2);
		2353	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2354	or return;
		2355	$pl->ob->uuid eq $uuid
		2356	or return;
		2357
		2358	$pl->ob
		2359	} else {
		2360	warn "$ref: cannot resolve object reference\n";
		2361	undef
		2362	}
		2363	}
		2364
1714	package cf;	2365	package cf;
1715		2366
1716	=back	2367	=back
1717		2368
1718	=head3 cf::object::player	2369	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2375	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2376	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2377	dialogue with the given NPC character.
1727		2378
1728	=cut	2379	=cut
		2380
		2381	our $SAY_CHANNEL = {
		2382	id => "say",
		2383	title => "Map",
		2384	reply => "say ",
		2385	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2386	};
		2387
		2388	our $CHAT_CHANNEL = {
		2389	id => "chat",
		2390	title => "Chat",
		2391	reply => "chat ",
		2392	tooltip => "Player chat and shouts, global to the server.",
		2393	};
1729		2394
1730	# rough implementation of a future "reply" method that works	2395	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2396	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2397	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2398	sub cf::object::player::reply($$$;$) {
…		…
1735		2400
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2401	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2402
1738	if ($self->{record_replies}) {	2403	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2404	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2405
1740	} else {	2406	} else {
		2407	my $pl = $self->contr;
		2408
		2409	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2410	my $dialog = $pl->{npc_dialog};
		2411	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2412
		2413	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2414	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2415	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2416	}
1743	}	2417	}
		2418	}
		2419
		2420	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2421
		2422	=cut
		2423
		2424	sub cf::object::send_msg {
		2425	my $pl = shift->contr
		2426	or return;
		2427	$pl->send_msg (@_);
1744	}	2428	}
1745		2429
1746	=item $player_object->may ("access")	2430	=item $player_object->may ("access")
1747		2431
1748	Returns wether the given player is authorized to access resource "access"	2432	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2479	$self->deactivate_recursive;
1796		2480
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2481	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2482
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2483	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2484	if $self->map && $self->map->{path} ne "{link}";
1801		2485
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2486	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2487	}
1804		2488
1805	sub cf::object::player::leave_link {	2489	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2490	my ($self, $map, $x, $y) = @_;
		2491
		2492	return unless $self->contr->active;
1807		2493
1808	my $link_pos = delete $self->{_link_pos};	2494	my $link_pos = delete $self->{_link_pos};
1809		2495
1810	unless ($map) {	2496	unless ($map) {
1811	# restore original map position	2497	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2511	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2512	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2513	if $x <=0 && $y <= 0;
1828		2514
1829	$map->load;	2515	$map->load;
1830	$map->load_diag;	2516	$map->load_neighbours;
1831		2517
1832	return unless $self->contr->active;	2518	return unless $self->contr->active;
1833	$self->activate_recursive;	2519	$self->activate_recursive;
1834		2520
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2521	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2522	$self->enter_map ($map, $x, $y);
1837	}	2523	}
1838		2524
1839	cf::player->attach (	2525	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2526
1843	# abort map switching before logout	2527	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2528	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2529	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2530	the new (success) or old (failed) map position. In either case, $done will
1847	};	2531	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2532
1853	# try to abort aborted map switching on player login :)	2533	Note that $check will be called with a potentially non-loaded map, so if
1854	# should happen only on crashes	2534	it needs a loaded map it has to call C<< ->load >>.
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2535
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2536	=cut
		2537
		2538	our $GOTOGEN;
1874		2539
1875	sub cf::object::player::goto {	2540	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2541	my ($self, $path, $x, $y, $check, $done) = @_;
		2542
		2543	# do generation counting so two concurrent goto's will be executed in-order
		2544	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2545
1878	$self->enter_link;	2546	$self->enter_link;
1879		2547
1880	(async {	2548	(async {
		2549	$Coro::current->{desc} = "player::goto $path $x $y";
		2550
		2551	# *tag paths override both path and x|y
		2552	if ($path =~ /^\*(.*)$/) {
		2553	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2554	my $ob = $obs[rand @obs];
		2555
		2556	# see if we actually can go there
		2557	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2558	$ob = $obs[rand @obs];
		2559	} else {
		2560	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2561	}
		2562	# else put us there anyways for now #d#
		2563
		2564	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2565	} else {
		2566	($path, $x, $y) = (undef, undef, undef);
		2567	}
		2568	}
		2569
1881	my $map = eval {	2570	my $map = eval {
1882	my $map = cf::map::find $path;	2571	my $map = defined $path ? cf::map::find $path : undef;
		2572
		2573	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2574	$map = $map->customise_for ($self);
		2575	$map = $check->($map) if $check && $map;
		2576	} else {
		2577	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579
1884	$map	2580	$map
		2581	};
		2582
		2583	if ($@) {
		2584	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2586	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2587
		2588	if ($gen == $self->{_goto_generation}) {
		2589	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2590	$self->leave_link ($map, $x, $y);
		2591	}
		2592
		2593	$done->() if $done;
1889	})->prio (1);	2594	})->prio (1);
1890	}	2595	}
1891		2596
1892	=item $player_object->enter_exit ($exit_object)	2597	=item $player_object->enter_exit ($exit_object)
1893		2598
…		…
1913	}	2618	}
1914		2619
1915	sub prepare_random_map {	2620	sub prepare_random_map {
1916	my ($exit) = @_;	2621	my ($exit) = @_;
1917		2622
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2623	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2624	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2625	# that depends on the exit object
1923		2626
1924	my $rmp = parse_random_map_params $exit->msg;	2627	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2629	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2630	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2631	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2632	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2633	$rmp->{origin_y} = $exit->y;
		2634
		2635	$exit->map->touch;
1931	}	2636	}
1932		2637
1933	$rmp->{random_seed} ||= $exit->random_seed;	2638	$rmp->{random_seed} ||= $exit->random_seed;
1934		2639
1935	my $data = cf::to_json $rmp;	2640	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2641	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2642	my $meta = "$RANDOMDIR/$md5.meta";
1938		2643
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2644	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2645	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2646	undef $fh;
1942	aio_rename "$meta~", $meta;	2647	aio_rename "$meta~", $meta;
1943		2648
		2649	my $slaying = "?random/$md5";
		2650
		2651	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2653	$exit->msg (undef);
		2654	}
1946	}	2655	}
1947	}	2656	}
1948		2657
1949	sub cf::object::player::enter_exit {	2658	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2659	my ($self, $exit) = @_;
1951		2660
1952	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
1953		2662
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2663	$self->enter_link;
1964		2664
1965	(async {	2665	(async {
1966	$self->deactivate_recursive; # just to be sure	2666	$Coro::current->{desc} = "enter_exit";
		2667
1967	unless (eval {	2668	unless (eval {
		2669	$self->deactivate_recursive; # just to be sure
		2670
		2671	# random map handling
		2672	{
		2673	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2674
		2675	prepare_random_map $exit
		2676	if $exit->slaying eq "/!";
		2677	}
		2678
		2679	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2680	my $x = $exit->stats->hp;
		2681	my $y = $exit->stats->sp;
		2682
1968	$self->goto ($slaying, $hp, $sp);	2683	$self->goto ($map, $x, $y);
1969		2684
		2685	# if exit is damned, update players death & WoR home-position
		2686	$self->contr->savebed ($map, $x, $y)
		2687	if $exit->flag (cf::FLAG_DAMNED);
		2688
1970	1;	2689	1
1971	}) {	2690	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2691	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2692	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2693	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2694	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2695
1977	warn "ERROR in enter_exit: $@";	2696	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2697	$self->leave_link;
1979	}	2698	}
1980	})->prio (1);	2699	})->prio (1);
…		…
1993		2712
1994	sub cf::client::send_drawinfo {	2713	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2714	my ($self, $text, $flags) = @_;
1996		2715
1997	utf8::encode $text;	2716	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2717	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2718	}
2000		2719
		2720	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2721
		2722	Send a drawinfo or msg packet to the client, formatting the msg for the
		2723	client if neccessary. C<$type> should be a string identifying the type of
		2724	the message, with C<log> being the default. If C<$color> is negative, suppress
		2725	the message unless the client supports the msg packet.
		2726
		2727	=cut
		2728
		2729	# non-persistent channels (usually the info channel)
		2730	our %CHANNEL = (
		2731	"c/identify" => {
		2732	id => "infobox",
		2733	title => "Identify",
		2734	reply => undef,
		2735	tooltip => "Items recently identified",
		2736	},
		2737	"c/examine" => {
		2738	id => "infobox",
		2739	title => "Examine",
		2740	reply => undef,
		2741	tooltip => "Signs and other items you examined",
		2742	},
		2743	"c/book" => {
		2744	id => "infobox",
		2745	title => "Book",
		2746	reply => undef,
		2747	tooltip => "The contents of a note or book",
		2748	},
		2749	"c/lookat" => {
		2750	id => "infobox",
		2751	title => "Look",
		2752	reply => undef,
		2753	tooltip => "What you saw there",
		2754	},
		2755	"c/who" => {
		2756	id => "infobox",
		2757	title => "Players",
		2758	reply => undef,
		2759	tooltip => "Shows players who are currently online",
		2760	},
		2761	"c/body" => {
		2762	id => "infobox",
		2763	title => "Body Parts",
		2764	reply => undef,
		2765	tooltip => "Shows which body parts you posess and are available",
		2766	},
		2767	"c/uptime" => {
		2768	id => "infobox",
		2769	title => "Uptime",
		2770	reply => undef,
		2771	tooltip => "How long the server has been running since last restart",
		2772	},
		2773	"c/mapinfo" => {
		2774	id => "infobox",
		2775	title => "Map Info",
		2776	reply => undef,
		2777	tooltip => "Information related to the maps",
		2778	},
		2779	"c/party" => {
		2780	id => "party",
		2781	title => "Party",
		2782	reply => "gsay ",
		2783	tooltip => "Messages and chat related to your party",
		2784	},
		2785	);
		2786
		2787	sub cf::client::send_msg {
		2788	my ($self, $channel, $msg, $color, @extra) = @_;
		2789
		2790	$msg = $self->pl->expand_cfpod ($msg);
		2791
		2792	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2793
		2794	# check predefined channels, for the benefit of C
		2795	if ($CHANNEL{$channel}) {
		2796	$channel = $CHANNEL{$channel};
		2797
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800
		2801	$channel = $channel->{id};
		2802
		2803	} elsif (ref $channel) {
		2804	# send meta info to client, if not yet sent
		2805	unless (exists $self->{channel}{$channel->{id}}) {
		2806	$self->{channel}{$channel->{id}} = $channel;
		2807	$self->ext_msg (channel_info => $channel)
		2808	if $self->can_msg;
		2809	}
		2810
		2811	$channel = $channel->{id};
		2812	}
		2813
		2814	return unless @extra || length $msg;
		2815
		2816	if ($self->can_msg) {
		2817	# default colour, mask it out
		2818	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2819	if $color & cf::NDI_DEF;
		2820
		2821	my $pkt = "msg "
		2822	. $self->{json_coder}->encode (
		2823	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2824	);
		2825
		2826	# try lzf for large packets
		2827	$pkt = "lzf " . Compress::LZF::compress $pkt
		2828	if 1024 <= length $pkt and $self->{can_lzf};
		2829
		2830	# split very large packets
		2831	if (8192 < length $pkt and $self->{can_lzf}) {
		2832	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2833	$pkt = "frag";
		2834	}
		2835
		2836	$self->send_packet ($pkt);
		2837	} else {
		2838	if ($color >= 0) {
		2839	# replace some tags by gcfclient-compatible ones
		2840	for ($msg) {
		2841	1 while
		2842	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2843	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2844	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2845	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2846	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2847	}
		2848
		2849	$color &= cf::NDI_COLOR_MASK;
		2850
		2851	utf8::encode $msg;
		2852
		2853	if (0 && $msg =~ /\[/) {
		2854	# COMMAND/INFO
		2855	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2856	} else {
		2857	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2858	$self->send_packet ("drawinfo $color $msg")
		2859	}
		2860	}
		2861	}
		2862	}
		2863
		2864	=item $client->ext_msg ($type, @msg)
		2865
		2866	Sends an ext event to the client.
		2867
		2868	=cut
		2869
		2870	sub cf::client::ext_msg($$@) {
		2871	my ($self, $type, @msg) = @_;
		2872
		2873	if ($self->extcmd == 2) {
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2875	} elsif ($self->extcmd == 1) { # TODO: remove
		2876	push @msg, msgtype => "event_$type";
		2877	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2878	}
		2879	}
		2880
		2881	=item $client->ext_reply ($msgid, @msg)
		2882
		2883	Sends an ext reply to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_reply($$@) {
		2888	my ($self, $id, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2892	} elsif ($self->extcmd == 1) {
		2893	#TODO: version 1, remove
		2894	unshift @msg, msgtype => "reply", msgid => $id;
		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2896	}
		2897	}
2001		2898
2002	=item $success = $client->query ($flags, "text", \&cb)	2899	=item $success = $client->query ($flags, "text", \&cb)
2003		2900
2004	Queues a query to the client, calling the given callback with	2901	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2902	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2903	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2904
2008	Queries can fail, so check the return code. Or don't, as queries will become	2905	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2906	become reliable at some point in the future.
2010		2907
2011	=cut	2908	=cut
2012		2909
2013	sub cf::client::query {	2910	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2911	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2919	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2920	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2921
2025	$self->send_packet ($self->{query_queue}[0][0])	2922	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2923	if @{ $self->{query_queue} } == 1;
		2924
		2925	1
2027	}	2926	}
2028		2927
2029	cf::client->attach (	2928	cf::client->attach (
		2929	on_connect => sub {
		2930	my ($ns) = @_;
		2931
		2932	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2933	},
2030	on_reply => sub {	2934	on_reply => sub {
2031	my ($ns, $msg) = @_;	2935	my ($ns, $msg) = @_;
2032		2936
2033	# this weird shuffling is so that direct followup queries	2937	# this weird shuffling is so that direct followup queries
2034	# get handled first	2938	# get handled first
…		…
2046	} else {	2950	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2951	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2952	}
2049	}	2953	}
2050	},	2954	},
		2955	on_exticmd => sub {
		2956	my ($ns, $buf) = @_;
		2957
		2958	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2959
		2960	if (ref $msg) {
		2961	my ($type, $reply, @payload) =
		2962	"ARRAY" eq ref $msg
		2963	? @$msg
		2964	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2965
		2966	my @reply;
		2967
		2968	if (my $cb = $EXTICMD{$type}) {
		2969	@reply = $cb->($ns, @payload);
		2970	}
		2971
		2972	$ns->ext_reply ($reply, @reply)
		2973	if $reply;
		2974
		2975	} else {
		2976	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2977	}
		2978
		2979	cf::override;
		2980	},
2051	);	2981	);
2052		2982
2053	=item $client->async (\&cb)	2983	=item $client->async (\&cb)
2054		2984
2055	Create a new coroutine, running the specified callback. The coroutine will	2985	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3026	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3027	our $safe_hole = new Safe::Hole;
2098		3028
2099	$SIG{FPE} = 'IGNORE';	3029	$SIG{FPE} = 'IGNORE';
2100		3030
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3031	$safe->permit_only (Opcode::opset qw(
		3032	:base_core :base_mem :base_orig :base_math
		3033	grepstart grepwhile mapstart mapwhile
		3034	sort time
		3035	));
2102		3036
2103	# here we export the classes and methods available to script code	3037	# here we export the classes and methods available to script code
2104		3038
2105	=pod	3039	=pod
2106		3040
2107	The following fucntions and emthods are available within a safe environment:	3041	The following functions and methods are available within a safe environment:
2108		3042
2109	cf::object contr pay_amount pay_player map	3043	cf::object
		3044	contr pay_amount pay_player map x y force_find force_add destroy
		3045	insert remove name archname title slaying race decrease split
		3046
2110	cf::object::player player	3047	cf::object::player
2111	cf::player peaceful	3048	player
2112	cf::map trigger	3049
		3050	cf::player
		3051	peaceful
		3052
		3053	cf::map
		3054	trigger
2113		3055
2114	=cut	3056	=cut
2115		3057
2116	for (	3058	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3059	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3060	insert remove inv nrof name archname title slaying race
		3061	decrease split destroy change_exp)],
2118	["cf::object::player" => qw(player)],	3062	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3063	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3064	["cf::map" => qw(trigger)],
2121	) {	3065	) {
2122	no strict 'refs';	3066	no strict 'refs';
…		…
2193	=back	3137	=back
2194		3138
2195	=cut	3139	=cut
2196		3140
2197	#############################################################################	3141	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3142	# the server's init and main functions
2271		3143
2272	sub load_faces {	3144	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3145	my ($path) = @_;
2274		3146
		3147	# HACK to clear player env face cache, we need some signal framework
		3148	# for this (global event?)
		3149	%ext::player_env::MUSIC_FACE_CACHE = ();
		3150
		3151	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3152
2275	warn "loading faces from $path\n";	3153	warn "loading facedata from $path\n";
2276		3154
2277	my $faces;	3155	my $facedata;
2278	0 < aio_load $path, $faces	3156	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3157	or die "$path: $!";
2280		3158
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3159	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3160
		3161	$facedata->{version} == 2
		3162	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3163
		3164	# patch in the exptable
		3165	$facedata->{resource}{"res/exp_table"} = {
		3166	type => FT_RSRC,
		3167	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3168	};
		3169	cf::cede_to_tick;
		3170
		3171	{
		3172	my $faces = $facedata->{faceinfo};
		3173
2285	while (my ($face, $info) = each %$faces) {	3174	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3175	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3176
		3177	cf::face::set_visibility $idx, $info->{visibility};
		3178	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3179	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3180	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3181
		3182	cf::cede_to_tick;
		3183	}
		3184
		3185	while (my ($face, $info) = each %$faces) {
		3186	next unless $info->{smooth};
		3187
		3188	my $idx = cf::face::find $face
		3189	or next;
		3190
		3191	if (my $smooth = cf::face::find $info->{smooth}) {
		3192	cf::face::set_smooth $idx, $smooth;
		3193	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3194	} else {
		3195	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3196	}
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200	}
		3201
2290	}	3202	{
		3203	my $anims = $facedata->{animinfo};
		3204
		3205	while (my ($anim, $info) = each %$anims) {
		3206	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3207	cf::cede_to_tick;
		3208	}
		3209
		3210	cf::anim::invalidate_all; # d'oh
		3211	}
		3212
		3213	{
		3214	# TODO: for gcfclient pleasure, we should give resources
		3215	# that gcfclient doesn't grok a >10000 face index.
		3216	my $res = $facedata->{resource};
		3217
		3218	while (my ($name, $info) = each %$res) {
		3219	if (defined $info->{type}) {
		3220	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3221	my $data;
		3222
		3223	if ($info->{type} & 1) {
		3224	# prepend meta info
		3225
		3226	my $meta = $enc->encode ({
		3227	name => $name,
		3228	%{ $info->{meta} || {} },
		3229	});
		3230
		3231	$data = pack "(w/a*)*", $meta, $info->{data};
		3232	} else {
		3233	$data = $info->{data};
		3234	}
		3235
		3236	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3237	cf::face::set_type $idx, $info->{type};
		3238	} else {
		3239	$RESOURCE{$name} = $info;
		3240	}
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244	}
		3245
		3246	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3247
2292	1	3248	1
2293	}	3249	}
2294		3250
		3251	cf::global->attach (on_resource_update => sub {
		3252	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3253	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3254
		3255	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3256	my $sound = $soundconf->{compat}[$_]
		3257	or next;
		3258
		3259	my $face = cf::face::find "sound/$sound->[1]";
		3260	cf::sound::set $sound->[0] => $face;
		3261	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3262	}
		3263
		3264	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3265	my $face = cf::face::find "sound/$v";
		3266	cf::sound::set $k => $face;
		3267	}
		3268	}
		3269	});
		3270
		3271	register_exticmd fx_want => sub {
		3272	my ($ns, $want) = @_;
		3273
		3274	while (my ($k, $v) = each %$want) {
		3275	$ns->fx_want ($k, $v);
		3276	}
		3277	};
		3278
		3279	sub load_resource_file($) {
		3280	my $guard = lock_acquire "load_resource_file";
		3281
		3282	my $status = load_resource_file_ $_[0];
		3283	get_slot 0.1, 100;
		3284	cf::arch::commit_load;
		3285
		3286	$status
		3287	}
		3288
		3289	sub reload_regions {
		3290	# HACK to clear player env face cache, we need some signal framework
		3291	# for this (global event?)
		3292	%ext::player_env::MUSIC_FACE_CACHE = ();
		3293
		3294	load_resource_file "$MAPDIR/regions"
		3295	or die "unable to load regions file\n";
		3296
		3297	for (cf::region::list) {
		3298	$_->{match} = qr/$_->{match}/
		3299	if exists $_->{match};
		3300	}
		3301	}
		3302
		3303	sub reload_facedata {
		3304	load_facedata "$DATADIR/facedata"
		3305	or die "unable to load facedata\n";
		3306	}
		3307
		3308	sub reload_archetypes {
		3309	load_resource_file "$DATADIR/archetypes"
		3310	or die "unable to load archetypes\n";
		3311	}
		3312
		3313	sub reload_treasures {
		3314	load_resource_file "$DATADIR/treasures"
		3315	or die "unable to load treasurelists\n";
		3316	}
		3317
2295	sub reload_resources {	3318	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3319	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3320
2298	load_faces	3321	reload_facedata;
2299	or die "unable to load faces\n";#d#	3322	reload_archetypes;
		3323	reload_regions;
		3324	reload_treasures;
		3325
		3326	warn "finished reloading resource files\n";
2300	}	3327	}
2301		3328
2302	sub init {	3329	sub init {
		3330	my $guard = freeze_mainloop;
		3331
		3332	evthread_start IO::AIO::poll_fileno;
		3333
2303	reload_resources;	3334	reload_resources;
2304	}	3335	}
2305		3336
2306	sub cfg_load {	3337	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3338	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3339	or return;
2309		3340
2310	local $/;	3341	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3342	*CFG = YAML::Load <$fh>;
2312		3343
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3344	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3345
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3346	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3347	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2327	sub main {	3358	sub main {
2328	# we must not ever block the main coroutine	3359	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3360	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3361	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3362	(async {
2332	Event::one_event;	3363	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3364	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3365	})->prio (Coro::PRIO_MAX);
2334	};	3366	};
2335		3367
2336	cfg_load;	3368	{
		3369	my $guard = freeze_mainloop;
		3370	reload_config;
2337	db_init;	3371	db_init;
2338	load_extensions;	3372	load_extensions;
2339		3373
2340	$TICK_WATCHER->start;	3374	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3375	}
		3376
2341	Event::loop;	3377	EV::loop;
2342	}	3378	}
2343		3379
2344	#############################################################################	3380	#############################################################################
2345	# initialisation and cleanup	3381	# initialisation and cleanup
2346		3382
2347	# install some emergency cleanup handlers	3383	# install some emergency cleanup handlers
2348	BEGIN {	3384	BEGIN {
		3385	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3386	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3387	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3388	cf::cleanup "SIG$signal";
2357	},
2358	);	3389	};
		3390	}
		3391	}
		3392
		3393	sub write_runtime_sync {
		3394	my $runtime = "$LOCALDIR/runtime";
		3395
		3396	# first touch the runtime file to show we are still running:
		3397	# the fsync below can take a very very long time.
		3398
		3399	IO::AIO::aio_utime $runtime, undef, undef;
		3400
		3401	my $guard = cf::lock_acquire "write_runtime";
		3402
		3403	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3404	or return;
		3405
		3406	my $value = $cf::RUNTIME + 90 + 10;
		3407	# 10 is the runtime save interval, for a monotonic clock
		3408	# 60 allows for the watchdog to kill the server.
		3409
		3410	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3411	and return;
		3412
		3413	# always fsync - this file is important
		3414	aio_fsync $fh
		3415	and return;
		3416
		3417	# touch it again to show we are up-to-date
		3418	aio_utime $fh, undef, undef;
		3419
		3420	close $fh
		3421	or return;
		3422
		3423	aio_rename "$runtime~", $runtime
		3424	and return;
		3425
		3426	warn "runtime file written.\n";
		3427
2359	}	3428	1
		3429	}
		3430
		3431	our $uuid_lock;
		3432	our $uuid_skip;
		3433
		3434	sub write_uuid_sync($) {
		3435	$uuid_skip ||= $_[0];
		3436
		3437	return if $uuid_lock;
		3438	local $uuid_lock = 1;
		3439
		3440	my $uuid = "$LOCALDIR/uuid";
		3441
		3442	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3443	or return;
		3444
		3445	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3446	$uuid_skip = 0;
		3447
		3448	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3449	and return;
		3450
		3451	# always fsync - this file is important
		3452	aio_fsync $fh
		3453	and return;
		3454
		3455	close $fh
		3456	or return;
		3457
		3458	aio_rename "$uuid~", $uuid
		3459	and return;
		3460
		3461	warn "uuid file written ($value).\n";
		3462
		3463	1
		3464
		3465	}
		3466
		3467	sub write_uuid($$) {
		3468	my ($skip, $sync) = @_;
		3469
		3470	$sync ? write_uuid_sync $skip
		3471	: async { write_uuid_sync $skip };
2360	}	3472	}
2361		3473
2362	sub emergency_save() {	3474	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3475	my $freeze_guard = cf::freeze_mainloop;
2364		3476
…		…
2370	# and maps saved/destroyed asynchronously.	3482	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3483	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3484	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3485	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3486	$pl->valid or next;
		3487	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3488	$pl->save;
2376	}	3489	}
2377	warn "end emergency player save\n";	3490	warn "end emergency player save\n";
2378		3491
2379	warn "begin emergency map save\n";	3492	warn "begin emergency map save\n";
…		…
2385	warn "end emergency map save\n";	3498	warn "end emergency map save\n";
2386		3499
2387	warn "begin emergency database checkpoint\n";	3500	warn "begin emergency database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3501	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3502	warn "end emergency database checkpoint\n";
		3503
		3504	warn "begin write uuid\n";
		3505	write_uuid_sync 1;
		3506	warn "end write uuid\n";
2390	};	3507	};
2391		3508
2392	warn "leave emergency perl save\n";	3509	warn "leave emergency perl save\n";
2393	}	3510	}
2394		3511
…		…
2397		3514
2398	warn Carp::longmess "post_cleanup backtrace"	3515	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3516	if $make_core;
2400	}	3517	}
2401		3518
		3519	# a safer delete_package, copied from Symbol
		3520	sub clear_package($) {
		3521	my $pkg = shift;
		3522
		3523	# expand to full symbol table name if needed
		3524	unless ($pkg =~ /^main::.*::$/) {
		3525	$pkg = "main$pkg" if $pkg =~ /^::/;
		3526	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3527	$pkg .= '::' unless $pkg =~ /::$/;
		3528	}
		3529
		3530	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3531	my $stem_symtab = *{$stem}{HASH};
		3532
		3533	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3534	or return;
		3535
		3536	# clear all symbols
		3537	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3538	for my $name (keys %$leaf_symtab) {
		3539	_gv_clear *{"$pkg$name"};
		3540	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3541	}
		3542	warn "cleared package #$pkg\n";#d#
		3543	}
		3544
		3545	our $RELOAD; # how many times to reload
		3546
2402	sub reload() {	3547	sub do_reload_perl() {
2403	# can/must only be called in main	3548	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3549	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3550	warn "can only reload from main coroutine";
2406	return;	3551	return;
2407	}	3552	}
2408		3553
		3554	return if $RELOAD++;
		3555
		3556	while ($RELOAD) {
2409	warn "reloading...";	3557	warn "reloading...";
2410		3558
2411	warn "entering sync_job";	3559	warn "entering sync_job";
2412		3560
2413	cf::sync_job {	3561	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3562	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3563	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3564	cf::write_runtime_sync; # external watchdog should not bark
2417		3565
2418	warn "syncing database to disk";	3566	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3567	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3568
2421	# if anything goes wrong in here, we should simply crash as we already saved	3569	# if anything goes wrong in here, we should simply crash as we already saved
2422		3570
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3571	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3572	while (IO::AIO::nreqs || BDB::nreqs) {
2434	warn "iterate...";	3573	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();
2442
2443	warn "removing commands";
2444	%COMMAND = ();
2445
2446	warn "removing ext commands";
2447	%EXTCMD = ();
2448
2449	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";
2452
2453	if (my $cb = $pkg->can ("unload")) {
2454	eval {
2455	$cb->($pkg);
2456	1
2457	} or warn "$pkg unloaded, but with errors: $@";
2458	}	3574	}
2459		3575
2460	warn "... nuking $pkg";	3576	warn "cancelling all extension coros";
2461	Symbol::delete_package $pkg;	3577	$_->cancel for values %EXT_CORO;
2462	}	3578	%EXT_CORO = ();
2463		3579
2464	warn "unloading all perl modules loaded from $LIBDIR";	3580	warn "removing commands";
2465	while (my ($k, $v) = each %INC) {	3581	%COMMAND = ();
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3582
		3583	warn "removing ext/exti commands";
		3584	%EXTCMD = ();
		3585	%EXTICMD = ();
		3586
		3587	warn "unloading/nuking all extensions";
		3588	for my $pkg (@EXTS) {
2468	warn "... unloading $k";	3589	warn "... unloading $pkg";
2469	delete $INC{$k};
2470		3590
2471	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;
2473
2474	if (my $cb = $k->can ("unload_module")) {	3591	if (my $cb = $pkg->can ("unload")) {
		3592	eval {
2475	$cb->();	3593	$cb->($pkg);
		3594	1
		3595	} or warn "$pkg unloaded, but with errors: $@";
		3596	}
		3597
		3598	warn "... clearing $pkg";
		3599	clear_package $pkg;
2476	}	3600	}
2477		3601
2478	Symbol::delete_package $k;	3602	warn "unloading all perl modules loaded from $LIBDIR";
		3603	while (my ($k, $v) = each %INC) {
		3604	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3605
		3606	warn "... unloading $k";
		3607	delete $INC{$k};
		3608
		3609	$k =~ s/\.pm$//;
		3610	$k =~ s/\//::/g;
		3611
		3612	if (my $cb = $k->can ("unload_module")) {
		3613	$cb->();
		3614	}
		3615
		3616	clear_package $k;
2479	}	3617	}
2480		3618
2481	warn "getting rid of safe::, as good as possible";	3619	warn "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3620	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3621	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3622
2485	warn "unloading cf.pm \"a bit\"";	3623	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3624	delete $INC{"cf.pm"};
		3625	delete $INC{"cf/pod.pm"};
2487		3626
2488	# don't, removes xs symbols, too,	3627	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3628	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3629	#clear_package __PACKAGE__;
2491		3630
2492	warn "unload completed, starting to reload now";	3631	warn "unload completed, starting to reload now";
2493		3632
2494	warn "reloading cf.pm";	3633	warn "reloading cf.pm";
2495	require cf;	3634	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3635	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3636
2498	warn "loading config and database again";	3637	warn "loading config and database again";
2499	cf::cfg_load;	3638	cf::reload_config;
2500		3639
2501	warn "loading extensions";	3640	warn "loading extensions";
2502	cf::load_extensions;	3641	cf::load_extensions;
2503		3642
2504	warn "reattaching attachments to objects/players";	3643	warn "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3644	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3645	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3646	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3647	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3648	reattach $_ for values %PLAYER;
2510		3649
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3650	warn "leaving sync_job";
2515		3651
2516	1	3652	1
2517	} or do {	3653	} or do {
2518	warn $@;	3654	warn $@;
2519	warn "error while reloading, exiting.";	3655	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	3656	};
		3657
		3658	warn "reloaded";
		3659	--$RELOAD;
		3660	}
		3661	};
		3662
		3663	our $RELOAD_WATCHER; # used only during reload
		3664
		3665	sub reload_perl() {
		3666	# doing reload synchronously and two reloads happen back-to-back,
		3667	# coro crashes during coro_state_free->destroy here.
		3668
		3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3670	do_reload_perl;
		3671	undef $RELOAD_WATCHER;
2521	};	3672	};
2522		3673	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		3674
2528	register_command "reload" => sub {	3675	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2530		3677
2531	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
2533		3680	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3681	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3682	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3683	};
2546	}	3684	}
2547	};	3685	};
2548		3686
2549	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2550		3688
2551	my $bug_warning = 0;	3689	my $bug_warning = 0;
2552		3690
2553	$TICK_WATCHER = Event->timer (	3691	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3692	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3693
2556	prio => 0,	3694	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3695	return if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3696
2559	cb => sub {	3697	my $signal = new Coro::Signal;
		3698	push @WAIT_FOR_TICK, $signal;
		3699	$signal->wait;
		3700	}
		3701
		3702	sub wait_for_tick_begin {
		3703	return if tick_inhibit || $Coro::current == $Coro::main;
		3704
		3705	my $signal = new Coro::Signal;
		3706	push @WAIT_FOR_TICK_BEGIN, $signal;
		3707	$signal->wait;
		3708	}
		3709
		3710	sub tick {
2560	if ($Coro::current != $Coro::main) {	3711	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3712	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3713	unless ++$bug_warning > 10;
2563	return;	3714	return;
2564	}	3715	}
2565		3716
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3717	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3718
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3719	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3720	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3721	Coro::async_pool {
		3722	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3723	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3724	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3725	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3726	}
2592	);	3727
		3728	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3729	$sig->send;
		3730	}
		3731	while (my $sig = shift @WAIT_FOR_TICK) {
		3732	$sig->send;
		3733	}
		3734
		3735	$LOAD = ($NOW - $TICK_START) / $TICK;
		3736	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3737
		3738	if (0) {
		3739	if ($NEXT_TICK) {
		3740	my $jitter = $TICK_START - $NEXT_TICK;
		3741	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3742	warn "jitter $JITTER\n";#d#
		3743	}
		3744	}
		3745	}
2593		3746
2594	{	3747	{
2595	BDB::max_poll_time $TICK * 0.1;	3748	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3749
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3750	BDB::min_parallel 8;
2605		3751	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3752	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3753
2621	unless ($DB_ENV) {	3754	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3755	$DB_ENV = BDB::db_env_create;
		3756	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3757	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3758	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3759	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3760	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3761
2624	cf::sync_job {	3762	cf::sync_job {
2625	eval {	3763	eval {
2626	BDB::db_env_open	3764	BDB::db_env_open
2627	$DB_ENV,	3765	$DB_ENV,
2628	$BDB_ENV_DIR,	3766	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3767	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3768	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3769	0666;
2632		3770
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3771	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3772	};
2638		3773
2639	cf::cleanup "db_env_open(db): $@" if $@;	3774	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3775	};
2641	}	3776	}
		3777
		3778	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3779	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3780	};
		3781	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3782	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3783	};
		3784	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3785	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3786	};
2642	}	3787	}
2643		3788
2644	{	3789	{
		3790	# configure IO::AIO
		3791
2645	IO::AIO::min_parallel 8;	3792	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3793	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3794	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3795	}
		3796
		3797	my $_log_backtrace;
		3798
		3799	sub _log_backtrace {
		3800	my ($msg, @addr) = @_;
		3801
		3802	$msg =~ s/\n//;
		3803
		3804	# limit the # of concurrent backtraces
		3805	if ($_log_backtrace < 2) {
		3806	++$_log_backtrace;
		3807	async {
		3808	$Coro::current->{desc} = "abt $msg";
		3809
		3810	my @bt = fork_call {
		3811	@addr = map { sprintf "%x", $_ } @addr;
		3812	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3813	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3814	or die "addr2line: $!";
		3815
		3816	my @funcs;
		3817	my @res = <$fh>;
		3818	chomp for @res;
		3819	while (@res) {
		3820	my ($func, $line) = splice @res, 0, 2, ();
		3821	push @funcs, "[$func] $line";
		3822	}
		3823
		3824	@funcs
		3825	};
		3826
		3827	LOG llevInfo, "[ABT] $msg\n";
		3828	LOG llevInfo, "[ABT] $_\n" for @bt;
		3829	--$_log_backtrace;
		3830	};
		3831	} else {
		3832	LOG llevInfo, "[ABT] $msg\n";
		3833	LOG llevInfo, "[ABT] [suppressed]\n";
		3834	}
		3835	}
		3836
		3837	# load additional modules
		3838	use cf::pod;
2658		3839
2659	END { cf::emergency_save }	3840	END { cf::emergency_save }
2660		3841
2661	1	3842	1
2662		3843

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