ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.428 by root, Thu May 1 06:33:19 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
20	use BDB ();	49	use BDB ();
21	use Data::Dumper;	50	use Data::Dumper;
22	use Digest::MD5;	51	use Digest::MD5;
23	use Fcntl;	52	use Fcntl;
		53	use YAML ();
24	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	55	use Time::HiRes;
27	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
28		58
		59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	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	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		64
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		66
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	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		68
40	our %COMMAND = ();	69	our %COMMAND = ();
41	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
42		71
43	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
47		77
48	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
49	our @EVENT;	79	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		80
52	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	97	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		99
60	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	104	our $DB_ENV;
62		105
63	our %CFG;	106	our %CFG;
64		107
65	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
67		111
68	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	114	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		115
77	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
80	binmode STDOUT;	124	binmode STDOUT;
81	binmode STDERR;	125	binmode STDERR;
82		126
83	# read virtual server time, if available	127	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
88	}	132	}
89		133
90	mkdir cf::localdir;	134	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	135	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		136
97	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
98		138
99	sub cf::map::normalise;	139	sub cf::map::normalise;
100		140
…		…
111	=item $cf::RUNTIME	151	=item $cf::RUNTIME
112		152
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	154	every server tick.
115		155
116	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		159
118	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
120		164
121	=item $cf::NOW	165	=item $cf::NOW
122		166
123	The time of the last (current) server tick.	167	The time of the last (current) server tick.
124		168
125	=item $cf::TICK	169	=item $cf::TICK
126		170
127	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
128		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
129	=item %cf::CFG	183	=item %cf::CFG
130		184
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	186	from wherever your confdir points to.
133		187
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		189
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	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	191	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	192	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.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
140		199
141	=back	200	=back
142		201
143	=cut	202	=cut
144		203
145	BEGIN {	204	BEGIN {
146	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	206	my $msg = join "", @_;
148	utf8::encode $msg;
149		207
150	$msg .= "\n"	208	$msg .= "\n"
151	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
152		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
153	LOG llevError, $msg;	213	LOG llevError, $msg;
154	};	214	};
155	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
156		231
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		239
164	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	241	# within the Safe compartment.
166	for my $pkg (qw(	242	for my $pkg (qw(
167	cf::global cf::attachable	243	cf::global cf::attachable
…		…
172	)) {	248	)) {
173	no strict 'refs';	249	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	251	}
176		252
177	$Event::DIED = sub {	253	$EV::DIED = sub {
178	warn "error in event callback: @_";	254	warn "error in event callback: @_";
179	};	255	};
		256
		257	#############################################################################
180		258
181	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
182		260
183	=over 4	261	=over 4
184		262
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	282	$d
205	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
206	}	284	}
207		285
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
211		287
212	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
213		289
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
222		291
223	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
224		293
225	=cut	294	=cut
226		295
227	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
229	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
230	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
231		300
232	=item cf::lock_wait $string	301	=item cf::lock_wait $string
233		302
234	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
235		304
…		…
238	Wait until the given lock is available and then acquires it and returns	307	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,	308	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	309	for example when the coroutine gets canceled), the lock is automatically
241	returned.	310	returned.
242		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
243	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
245		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
246	=cut	322	=cut
247		323
248	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
249		326
250	sub lock_wait($) {	327	sub lock_wait($) {
251	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
252		334
253	# wait for lock, if any	335	# wait for lock, if any
254	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	338	Coro::schedule;
…		…
262		344
263	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
264	lock_wait $key;	346	lock_wait $key;
265		347
266	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
267		350
268	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
271	}	355	}
272	}	356	}
273		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
274	sub freeze_mainloop {	364	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
276		366
277	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
278	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
279	};	428	}
280	$TICK_WATCHER->stop;	429	};
281	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
282	}	443	}
283		444
284	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
285		446
286	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		452
292	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
293		454
294	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
295		456
296	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
299		461
300	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
303	fast or be very important.	465	fast or be very important.
…		…
306		468
307	sub sync_job(&) {	469	sub sync_job(&) {
308	my ($job) = @_;	470	my ($job) = @_;
309		471
310	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
311	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
313		477
314	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	479
316	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
317		481
318	my $busy = 1;	482	my $busy = 1;
319	my @res;	483	my @res;
320		484
321	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	487	@res = eval { $job->() };
323	warn $@ if $@;	488	warn $@ if $@;
324	undef $busy;	489	undef $busy;
325	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
326		491
327	while ($busy) {	492	while ($busy) {
328	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
329	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
330		503
331	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
332	} else {	505	} else {
333	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
334		507
…		…
354	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
355		528
356	$coro	529	$coro
357	}	530	}
358		531
359	sub write_runtime {	532	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		533
362	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
363		538
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
365	or return;
366		540
367	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		543
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
372	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
373		547
374	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	549	reset_signals;
376	and return;	550	&$cb
		551	}, @args;
377		552
378	close $fh	553	wantarray ? @res : $res[-1]
379	or return;	554	}
380		555
381	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
382	and return;
383		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
384	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	719	}
386		720
387	=back	721	=back
388		722
389	=cut	723	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
398		732
399	In the following description, CLASS can be any of C<global>, C<object>	733	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	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	735	Deliantra).
402		736
403	=over 4	737	=over 4
404		738
405	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
406		740
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
570		904
571	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		909
576	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	911	my $pkg = shift @arg;
578		912
579	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
609	}	943	}
610		944
611	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
612	} else {	946	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	948	}
615		949
616	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
617	}	951	}
618		952
…		…
620	if (ref $_[0]) {	954	if (ref $_[0]) {
621	_object_attach @_;	955	_object_attach @_;
622	} else {	956	} else {
623	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
624	}	958	}
		959	_recalc_want;
625	};	960	};
626		961
627	# all those should be optimised	962	# all those should be optimised
628	sub cf::attachable::detach {	963	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
633	reattach ($obj);	968	reattach ($obj);
634	} else {	969	} else {
635	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
636	}	971	}
		972	_recalc_want;
637	};	973	};
638		974
639	sub cf::attachable::attached {	975	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
641		977
…		…
656	";	992	";
657	die if $@;	993	die if $@;
658	}	994	}
659		995
660	our $override;	996	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		998
663	sub override {	999	sub override {
664	$override = 1;	1000	$override = 1;
665	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
666	}	1002	}
667		1003
668	sub do_invoke {	1004	sub do_invoke {
669	my $event = shift;	1005	my $event = shift;
670	my $callbacks = shift;	1006	my $callbacks = shift;
671		1007
672	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
673		1009
674	local $override;	1010	local $override;
675		1011
676	for (@$callbacks) {	1012	for (@$callbacks) {
677	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
686	}	1022	}
687		1023
688	0	1024	0
689	}	1025	}
690		1026
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1028
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1030
695	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
696		1032
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	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	1034	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1036
701	=back	1037	=back
702		1038
703	=cut	1039	=cut
704		1040
705	#############################################################################	1041	#############################################################################
706	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
707		1085
708	sub reattach {	1086	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1088	my ($obj) = @_;
711		1089
…		…
732	cf::attachable->attach (	1110	cf::attachable->attach (
733	prio => -1000000,	1111	prio => -1000000,
734	on_instantiate => sub {	1112	on_instantiate => sub {
735	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
736		1114
737	$data = from_json $data;	1115	$data = decode_json $data;
738		1116
739	for (@$data) {	1117	for (@$data) {
740	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
741		1119
742	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1136	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
760		1138
761	sync_job {	1139	sync_job {
762	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
765		1144
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1149	aio_close $fh;
771		1150
772	if (@$objs) {	1151	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1157	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
780	}	1159	}
781	} else {	1160	} else {
782	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
783	}	1162	}
…		…
788	}	1167	}
789	} else {	1168	} else {
790	aio_unlink $filename;	1169	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
792	}	1171	}
793	}	1172	};
794	}	1173	}
795		1174
796	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
798		1177
…		…
810	or return;	1189	or return;
811		1190
812	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
814	or return;	1193	or return;
		1194
815	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
816	}	1197	}
817		1198
		1199	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
820	return ($data, $av);	1203	($data, $av)
821	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
822		1211
823	#############################################################################	1212	#############################################################################
824	# command handling &c	1213	# command handling &c
825		1214
826	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1229	}
841		1230
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1232
844	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
845		1238
846	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
847	called.	1240	called.
848		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
849	=cut	1253	=cut
850		1254
851	sub register_extcmd {	1255	sub register_extcmd {
852	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
853		1257
854	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
855	}	1265	}
856		1266
857	cf::player->attach (	1267	cf::player->attach (
858	on_command => sub {	1268	on_command => sub {
859	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1278	cf::override;
869	},	1279	},
870	on_extcmd => sub {	1280	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
872		1282
873	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1284
875	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
881	} else {	1300	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1302	}
884		1303
885	cf::override;	1304	cf::override;
886	},	1305	},
887	);	1306	);
888		1307
889	sub load_extension {
890	my ($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 {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
924	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1313	next unless -r $path;
926	eval {	1314
927	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
928	1	1371	}
929	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
930	}	1377	};
931	}	1378	}
932		1379
933	#############################################################################	1380	#############################################################################
934		1381
		1382	=back
		1383
935	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
936		1385
937	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
938		1387
939	=cut	1388	=cut
…		…
944		1393
945	=head3 cf::player	1394	=head3 cf::player
946		1395
947	=over 4	1396	=over 4
948		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
949	=item cf::player::find $login	1412	=item cf::player::find $login
950		1413
951	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
952		1415
953	=cut	1416	=cut
954		1417
955	sub playerdir($) {	1418	sub playerdir($) {
956	cf::localdir	1419	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1421	}
962		1422
963	sub path($) {	1423	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1425
966	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
967	}	1427	}
968		1428
969	sub find_active($) {	1429	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1444	my $login = $_[0];
985		1445
986	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
987		1447
988	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
990	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
992	}	1465	}
993	}	1466	}
994	}	1467	}
995		1468
…		…
1004	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1005		1478
1006	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1008		1481
		1482	cf::get_slot 0.01;
		1483
1009	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1010	Coro::cede;	1485	cf::cede_to_tick;
1011	}	1486	}
1012		1487
1013	sub new($) {	1488	sub new($) {
1014	my ($login) = @_;	1489	my ($login) = @_;
1015		1490
…		…
1019	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1020		1495
1021	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1022		1497
1023	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1024	}	1509	}
1025		1510
1026	=item $pl->quit_character	1511	=item $pl->quit_character
1027		1512
1028	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1078		1563
1079	=cut	1564	=cut
1080		1565
1081	sub list_logins {	1566	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1568	or return [];
1084		1569
1085	my @logins;	1570	my @logins;
1086		1571
1087	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1091		1582
1092	utf8::decode $login;	1583	utf8::decode $login;
1093	push @logins, $login;	1584	push @logins, $login;
1094	}	1585	}
1095		1586
…		…
1122	}	1613	}
1123		1614
1124	\@paths	1615	\@paths
1125	}	1616	}
1126		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1128		1712
1129	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1130		1714
1131	=cut	1715	=cut
1132		1716
1133	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1135		1719
1136	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1721	}
1140		1722
1141	package cf;	1723	=item $player->ext_msg ($type, @msg)
		1724
		1725	Sends an ext event to the client.
		1726
		1727	=cut
		1728
		1729	sub ext_msg($$@) {
		1730	my ($self, $type, @msg) = @_;
		1731
		1732	$self->ns->ext_msg ($type, @msg);
		1733	}
		1734
		1735	=head3 cf::region
		1736
		1737	=over 4
		1738
		1739	=cut
		1740
		1741	package cf::region;
		1742
		1743	=item cf::region::find_by_path $path
		1744
		1745	Tries to decuce the likely region for a map knowing only its path.
		1746
		1747	=cut
		1748
		1749	sub find_by_path($) {
		1750	my ($path) = @_;
		1751
		1752	my ($match, $specificity);
		1753
		1754	for my $region (list) {
		1755	if ($region->{match} && $path =~ $region->{match}) {
		1756	($match, $specificity) = ($region, $region->specificity)
		1757	if $region->specificity > $specificity;
		1758	}
		1759	}
		1760
		1761	$match
		1762	}
1142		1763
1143	=back	1764	=back
1144
1145		1765
1146	=head3 cf::map	1766	=head3 cf::map
1147		1767
1148	=over 4	1768	=over 4
1149		1769
…		…
1161	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1163		1783
1164	sub generate_random_map {	1784	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1166	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1790	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1204	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1205		1828
1206	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1207	local $self->{path};	1830	local $self->{path};
1208	local $self->{load_path};	1831	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1832
1212	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1213	}	1834	}
1214		1835
1215	sub normalise {	1836	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1263	return $self;	1884	return $self;
1264	}	1885	}
1265	}	1886	}
1266		1887
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1889	()
1269	}	1890	}
1270		1891
1271	sub init {	1892	sub init {
1272	my ($self) = @_;	1893	my ($self) = @_;
…		…
1287		1908
1288	# the original (read-only) location	1909	# the original (read-only) location
1289	sub load_path {	1910	sub load_path {
1290	my ($self) = @_;	1911	my ($self) = @_;
1291		1912
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1293	}	1914	}
1294		1915
1295	# the temporary/swap location	1916	# the temporary/swap location
1296	sub save_path {	1917	sub save_path {
1297	my ($self) = @_;	1918	my ($self) = @_;
1298		1919
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1301	}	1922	}
1302		1923
1303	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1304	sub uniq_path {	1925	sub uniq_path {
1305	my ($self) = @_;	1926	my ($self) = @_;
1306		1927
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1309	}	1930	}
1310		1931
1311	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1312	# all maps in C++...	1933	# all maps in C++...
1313	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1315		1936
1316	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1318	}	1939	}
1319		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1320	sub unlink_save {	1949	sub unlink_save {
1321	my ($self) = @_;	1950	my ($self) = @_;
1322		1951
1323	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1956
1328	sub load_header_from($) {	1957	sub load_header_from($) {
1329	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1330		1959
1331	utf8::encode $path;	1960	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1337		1969
1338	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1339		1971
1340	1	1972	1
1341	}	1973	}
…		…
1380	$self->load_header_orig	2012	$self->load_header_orig
1381	or return;	2013	or return;
1382	$self->prepare_orig;	2014	$self->prepare_orig;
1383	}	2015	}
1384		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
		2020	$self->default_region (cf::region::find_by_path $self->{path})
		2021	unless $self->default_region;
		2022
1385	1	2023	1
1386	}	2024	}
1387		2025
1388	sub find;	2026	sub find;
1389	sub find {	2027	sub find {
1390	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1391		2029
1392	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1393		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1395		2034
1396	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1398	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1399	or return;	2040	or return;
1400		2041
1401	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1402		2043
1403	$map->load_header	2044	$map->load_header
1404	or return;	2045	or return;
1405		2046
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1409	$map->reset;	2052	$map->reset;
1410	undef $guard;
1411	return find $path;	2053	return find $path;
1412	}	2054	}
1413		2055
1414	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1415	}	2057	}
…		…
1422	my ($self) = @_;	2064	my ($self) = @_;
1423		2065
1424	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1425		2067
1426	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1428		2072
		2073	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2075
1431	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1432		2077
1433	$self->alloc;	2078	$self->alloc;
1434		2079
1435	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1436		2082
1437	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1438	or return;	2086	or return;
1439		2087
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	2089	if delete $self->{load_original};
1442		2090
1443	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2092	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2095	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1448	}	2099	}
1449	}	2100	}
1450		2101
1451	Coro::cede;	2102	$f->resolve_delayed_derefs;
1452		2103
		2104	cf::cede_to_tick;
1453	# now do the right thing for maps	2105	# now do the right thing for maps
1454	$self->link_multipart_objects;	2106	$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)	2107	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2108	unless $self->difficulty;
1464	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
		2116	$self->set_darkness_map;
		2117	cf::cede_to_tick;
1465	$self->activate;	2118	$self->activate;
		2119	}
		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
		2124	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2125	}
1467		2126
1468	$self->post_load;	2127	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2128	}
1472		2129
1473	sub customise_for {	2130	sub customise_for {
1474	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1475		2132
1476	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2134	if $self->per_player;
1478		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1479	$self	2139	$self
1480	}	2140	}
1481		2141
1482	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2143	sub load_neighbours {
1484	my ($map) = @_;	2144	my ($map) = @_;
1485		2145
1486	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1487		2147
1488	for (0 .. 3) {	2148	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1490	or next;	2150	or next;
1491	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1492	or next;	2152	or next;
1493	$neigh->load;	2153	$neigh->load;
1494		2154
		2155	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2158	}
1498		2159
1499	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1501	or next;	2163	or next;
1502	$neigh->load;	2164	$neigh->load;
1503	}	2165	}
1504	}	2166	}
1505		2167
…		…
1510	}	2172	}
1511		2173
1512	sub do_load_sync {	2174	sub do_load_sync {
1513	my ($map) = @_;	2175	my ($map) = @_;
1514		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1515	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1516	}	2181	}
1517		2182
1518	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1520		2185
1521	sub find_async {	2186	sub find_async {
1522	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1523		2188
1524	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1525		2190
1526	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2193	}
1529		2194
1530	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1531	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1532	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2202	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2203	$map->load if $v;
		2204	}
1537		2205
1538	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1539	}	2207	}
1540	}	2208	}
1541	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1542	};	2210	};
1543	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2214	}
1547		2215
1548	sub save {	2216	sub save {
1549	my ($self) = @_;	2217	my ($self) = @_;
1550		2218
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2220
1553	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1554		2222
1555	return unless $self->dirty;	2223	return unless $self->dirty;
1556		2224
…		…
1562	return if $self->{deny_save};	2230	return if $self->{deny_save};
1563		2231
1564	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1565		2233
1566	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1568	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1569		2240
1570	if ($uniq) {	2241	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2244	} else {
…		…
1579	my ($self) = @_;	2250	my ($self) = @_;
1580		2251
1581	# save first because save cedes	2252	# save first because save cedes
1582	$self->save;	2253	$self->save;
1583		2254
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2256
1586	return if $self->players;	2257	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1588	return if $self->{deny_save};	2259	return if $self->{deny_save};
1589		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2265	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2266	}
1593		2267
1594	sub reset_at {	2268	sub reset_at {
1595	my ($self) = @_;	2269	my ($self) = @_;
1596		2270
1597	# TODO: safety, remove and allow resettable per-player maps	2271	# 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};	2272	return 1e99 if $self->{deny_reset};
1600		2273
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2276
…		…
1614	my ($self) = @_;	2287	my ($self) = @_;
1615		2288
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2290
1618	return if $self->players;	2291	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2292
1621	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1622		2294
1623	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1624		2296
1625	# need to save uniques path	2297	# need to save uniques path
1626	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2302	if $uniq;
1631	}	2303	}
1632		2304
1633	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1634		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2309	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2310
1639	$self->unlink_save;	2311	$self->unlink_save;
1640	$self->destroy;	2312	$self->destroy;
1641	}	2313	}
1642		2314
1643	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1644		2316
1645	sub nuke {	2317	sub nuke {
1646	my ($self) = @_;	2318	my ($self) = @_;
1647		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1648	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1649		2324
1650	$self->unlink_save;	2325	$self->unlink_save;
1651		2326
1652	bless $self, "cf::map";	2327	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2332
1658	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1659		2335
1660	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1661	}	2373	}
1662		2374
1663	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1664		2376
1665	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2378	instantiated unique items. May block.
1667		2379
1668	=cut	2380	=cut
1669		2381
1670	sub unique_maps() {	2382	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1672	or return;	2384	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2385	utf8::decode $_;
1678	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2388	? ()
1681	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2391	]
1683
1684	\@paths
1685	}	2392	}
1686
1687	package cf;
1688		2393
1689	=back	2394	=back
1690		2395
1691	=head3 cf::object	2396	=head3 cf::object
1692		2397
…		…
1696		2401
1697	=over 4	2402	=over 4
1698		2403
1699	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1700		2405
1701	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1702		2408
1703	=cut	2409	=cut
1704		2410
1705	sub inv_recursive_;	2411	sub inv_recursive_;
1706	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1709		2415
1710	sub inv_recursive {	2416	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1712	}	2418	}
1713		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1714	package cf;	2448	package cf;
1715		2449
1716	=back	2450	=back
1717		2451
1718	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	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	2459	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1727		2461
1728	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1729		2477
1730	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2479	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1735		2483
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2485
1738	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1740	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1743	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1744	}	2511	}
1745		2512
1746	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1747		2514
1748	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1796		2563
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2565
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1801		2568
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2570	}
1804		2571
1805	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1807		2576
1808	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1809		2578
1810	unless ($map) {	2579	unless ($map) {
1811	# restore original map position	2580	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1828		2597
1829	$map->load;	2598	$map->load;
1830	$map->load_diag;	2599	$map->load_neighbours;
1831		2600
1832	return unless $self->contr->active;	2601	return unless $self->contr->active;
1833	$self->activate_recursive;	2602	$self->activate_recursive;
1834		2603
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1837	}	2606	}
1838		2607
1839	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2609
1843	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1847	};	2614	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2615
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
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
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1874		2619
1875	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
		2622
		2623	# do generation counting so two concurrent goto's will be executed in-order
		2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2625
1878	$self->enter_link;	2626	$self->enter_link;
1879		2627
1880	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
1881	my $map = eval {	2650	my $map = eval {
1882	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2654	$map = $map->customise_for ($self);
		2655	$map = $check->($map) if $check && $map;
		2656	} else {
		2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2658	}
		2659
1884	$map	2660	$map
		2661	};
		2662
		2663	if ($@) {
		2664	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2666	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1889	})->prio (1);	2674	})->prio (1);
1890	}	2675	}
1891		2676
1892	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1893		2678
…		…
1930	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
1931	}	2716	}
1932		2717
1933	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1934		2719
1935	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
1938		2723
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2726	undef $fh;
1942	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
…		…
1951		2736
1952	return unless $self->type == cf::PLAYER;	2737	return unless $self->type == cf::PLAYER;
1953		2738
1954	if ($exit->slaying eq "/!") {	2739	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2740	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2741	# the problem is that $exit might not survive long enough
		2742	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2743	cf::sync_job { prepare_random_map $exit };
1957	}	2744	}
1958		2745
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2746	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2747	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2748	my $sp = $exit->stats->sp;
1962		2749
1963	$self->enter_link;	2750	$self->enter_link;
1964		2751
		2752	# if exit is damned, update players death & WoR home-position
		2753	$self->contr->savebed ($slaying, $hp, $sp)
		2754	if $exit->flag (FLAG_DAMNED);
		2755
1965	(async {	2756	(async {
		2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2758
1966	$self->deactivate_recursive; # just to be sure	2759	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2760	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($slaying, $hp, $sp);
1969		2762
1970	1;	2763	1;
1971	}) {	2764	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2765	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2766	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2767	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2768	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2769
1977	warn "ERROR in enter_exit: $@";	2770	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2771	$self->leave_link;
1979	}	2772	}
1980	})->prio (1);	2773	})->prio (1);
…		…
1993		2786
1994	sub cf::client::send_drawinfo {	2787	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2788	my ($self, $text, $flags) = @_;
1996		2789
1997	utf8::encode $text;	2790	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2791	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2792	}
2000		2793
		2794	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2795
		2796	Send a drawinfo or msg packet to the client, formatting the msg for the
		2797	client if neccessary. C<$type> should be a string identifying the type of
		2798	the message, with C<log> being the default. If C<$color> is negative, suppress
		2799	the message unless the client supports the msg packet.
		2800
		2801	=cut
		2802
		2803	# non-persistent channels (usually the info channel)
		2804	our %CHANNEL = (
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/book" => {
		2818	id => "infobox",
		2819	title => "Book",
		2820	reply => undef,
		2821	tooltip => "The contents of a note or book",
		2822	},
		2823	"c/lookat" => {
		2824	id => "infobox",
		2825	title => "Look",
		2826	reply => undef,
		2827	tooltip => "What you saw there",
		2828	},
		2829	"c/who" => {
		2830	id => "infobox",
		2831	title => "Players",
		2832	reply => undef,
		2833	tooltip => "Shows players who are currently online",
		2834	},
		2835	"c/body" => {
		2836	id => "infobox",
		2837	title => "Body Parts",
		2838	reply => undef,
		2839	tooltip => "Shows which body parts you posess and are available",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	);
		2860
		2861	sub cf::client::send_msg {
		2862	my ($self, $channel, $msg, $color, @extra) = @_;
		2863
		2864	$msg = $self->pl->expand_cfpod ($msg);
		2865
		2866	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2867
		2868	# check predefined channels, for the benefit of C
		2869	if ($CHANNEL{$channel}) {
		2870	$channel = $CHANNEL{$channel};
		2871
		2872	$self->ext_msg (channel_info => $channel)
		2873	if $self->can_msg;
		2874
		2875	$channel = $channel->{id};
		2876
		2877	} elsif (ref $channel) {
		2878	# send meta info to client, if not yet sent
		2879	unless (exists $self->{channel}{$channel->{id}}) {
		2880	$self->{channel}{$channel->{id}} = $channel;
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883	}
		2884
		2885	$channel = $channel->{id};
		2886	}
		2887
		2888	return unless @extra || length $msg;
		2889
		2890	if ($self->can_msg) {
		2891	# default colour, mask it out
		2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2893	if $color & cf::NDI_DEF;
		2894
		2895	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2897	} else {
		2898	if ($color >= 0) {
		2899	# replace some tags by gcfclient-compatible ones
		2900	for ($msg) {
		2901	1 while
		2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2907	}
		2908
		2909	$color &= cf::NDI_COLOR_MASK;
		2910
		2911	utf8::encode $msg;
		2912
		2913	if (0 && $msg =~ /\[/) {
		2914	# COMMAND/INFO
		2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2916	} else {
		2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2918	$self->send_packet ("drawinfo $color $msg")
		2919	}
		2920	}
		2921	}
		2922	}
		2923
		2924	=item $client->ext_msg ($type, @msg)
		2925
		2926	Sends an ext event to the client.
		2927
		2928	=cut
		2929
		2930	sub cf::client::ext_msg($$@) {
		2931	my ($self, $type, @msg) = @_;
		2932
		2933	if ($self->extcmd == 2) {
		2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2935	} elsif ($self->extcmd == 1) { # TODO: remove
		2936	push @msg, msgtype => "event_$type";
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2938	}
		2939	}
		2940
		2941	=item $client->ext_reply ($msgid, @msg)
		2942
		2943	Sends an ext reply to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_reply($$@) {
		2948	my ($self, $id, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2952	} elsif ($self->extcmd == 1) {
		2953	#TODO: version 1, remove
		2954	unshift @msg, msgtype => "reply", msgid => $id;
		2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2956	}
		2957	}
2001		2958
2002	=item $success = $client->query ($flags, "text", \&cb)	2959	=item $success = $client->query ($flags, "text", \&cb)
2003		2960
2004	Queues a query to the client, calling the given callback with	2961	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>,	2962	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>.	2963	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2964
2008	Queries can fail, so check the return code. Or don't, as queries will become	2965	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2966	become reliable at some point in the future.
2010		2967
2011	=cut	2968	=cut
2012		2969
2013	sub cf::client::query {	2970	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2971	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2979	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2980	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2981
2025	$self->send_packet ($self->{query_queue}[0][0])	2982	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2983	if @{ $self->{query_queue} } == 1;
		2984
		2985	1
2027	}	2986	}
2028		2987
2029	cf::client->attach (	2988	cf::client->attach (
		2989	on_connect => sub {
		2990	my ($ns) = @_;
		2991
		2992	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2993	},
2030	on_reply => sub {	2994	on_reply => sub {
2031	my ($ns, $msg) = @_;	2995	my ($ns, $msg) = @_;
2032		2996
2033	# this weird shuffling is so that direct followup queries	2997	# this weird shuffling is so that direct followup queries
2034	# get handled first	2998	# get handled first
…		…
2046	} else {	3010	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3011	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3012	}
2049	}	3013	}
2050	},	3014	},
		3015	on_exticmd => sub {
		3016	my ($ns, $buf) = @_;
		3017
		3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3019
		3020	if (ref $msg) {
		3021	my ($type, $reply, @payload) =
		3022	"ARRAY" eq ref $msg
		3023	? @$msg
		3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3025
		3026	my @reply;
		3027
		3028	if (my $cb = $EXTICMD{$type}) {
		3029	@reply = $cb->($ns, @payload);
		3030	}
		3031
		3032	$ns->ext_reply ($reply, @reply)
		3033	if $reply;
		3034
		3035	} else {
		3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3037	}
		3038
		3039	cf::override;
		3040	},
2051	);	3041	);
2052		3042
2053	=item $client->async (\&cb)	3043	=item $client->async (\&cb)
2054		3044
2055	Create a new coroutine, running the specified callback. The coroutine will	3045	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3086	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3087	our $safe_hole = new Safe::Hole;
2098		3088
2099	$SIG{FPE} = 'IGNORE';	3089	$SIG{FPE} = 'IGNORE';
2100		3090
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3091	$safe->permit_only (Opcode::opset qw(
		3092	:base_core :base_mem :base_orig :base_math
		3093	grepstart grepwhile mapstart mapwhile
		3094	sort time
		3095	));
2102		3096
2103	# here we export the classes and methods available to script code	3097	# here we export the classes and methods available to script code
2104		3098
2105	=pod	3099	=pod
2106		3100
2107	The following fucntions and emthods are available within a safe environment:	3101	The following functions and methods are available within a safe environment:
2108		3102
2109	cf::object contr pay_amount pay_player map	3103	cf::object
		3104	contr pay_amount pay_player map x y force_find force_add destroy
		3105	insert remove name archname title slaying race decrease split
		3106
2110	cf::object::player player	3107	cf::object::player
2111	cf::player peaceful	3108	player
2112	cf::map trigger	3109
		3110	cf::player
		3111	peaceful
		3112
		3113	cf::map
		3114	trigger
2113		3115
2114	=cut	3116	=cut
2115		3117
2116	for (	3118	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3120	insert remove inv name archname title slaying race
		3121	decrease split destroy)],
2118	["cf::object::player" => qw(player)],	3122	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3123	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3124	["cf::map" => qw(trigger)],
2121	) {	3125	) {
2122	no strict 'refs';	3126	no strict 'refs';
…		…
2193	=back	3197	=back
2194		3198
2195	=cut	3199	=cut
2196		3200
2197	#############################################################################	3201	#############################################################################
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 $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3202	# the server's init and main functions
2271		3203
2272	sub load_faces {	3204	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3205	my ($path) = @_;
2274		3206
		3207	# HACK to clear player env face cache, we need some signal framework
		3208	# for this (global event?)
		3209	%ext::player_env::MUSIC_FACE_CACHE = ();
		3210
		3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3212
2275	warn "loading faces from $path\n";	3213	warn "loading facedata from $path\n";
2276		3214
2277	my $faces;	3215	my $facedata;
2278	0 < aio_load $path, $faces	3216	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3217	or die "$path: $!";
2280		3218
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3219	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3220
		3221	$facedata->{version} == 2
		3222	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3223
		3224	# patch in the exptable
		3225	$facedata->{resource}{"res/exp_table"} = {
		3226	type => FT_RSRC,
		3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3228	};
		3229	cf::cede_to_tick;
		3230
		3231	{
		3232	my $faces = $facedata->{faceinfo};
		3233
2285	while (my ($face, $info) = each %$faces) {	3234	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3236
		3237	cf::face::set_visibility $idx, $info->{visibility};
		3238	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244
		3245	while (my ($face, $info) = each %$faces) {
		3246	next unless $info->{smooth};
		3247
		3248	my $idx = cf::face::find $face
		3249	or next;
		3250
		3251	if (my $smooth = cf::face::find $info->{smooth}) {
		3252	cf::face::set_smooth $idx, $smooth;
		3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3254	} else {
		3255	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
2290	}	3262	{
		3263	my $anims = $facedata->{animinfo};
		3264
		3265	while (my ($anim, $info) = each %$anims) {
		3266	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3267	cf::cede_to_tick;
		3268	}
		3269
		3270	cf::anim::invalidate_all; # d'oh
		3271	}
		3272
		3273	{
		3274	# TODO: for gcfclient pleasure, we should give resources
		3275	# that gcfclient doesn't grok a >10000 face index.
		3276	my $res = $facedata->{resource};
		3277
		3278	while (my ($name, $info) = each %$res) {
		3279	if (defined $info->{type}) {
		3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3281	my $data;
		3282
		3283	if ($info->{type} & 1) {
		3284	# prepend meta info
		3285
		3286	my $meta = $enc->encode ({
		3287	name => $name,
		3288	%{ $info->{meta} || {} },
		3289	});
		3290
		3291	$data = pack "(w/a*)*", $meta, $info->{data};
		3292	} else {
		3293	$data = $info->{data};
		3294	}
		3295
		3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3297	cf::face::set_type $idx, $info->{type};
		3298	} else {
		3299	$RESOURCE{$name} = $info;
		3300	}
		3301
		3302	cf::cede_to_tick;
		3303	}
		3304	}
		3305
		3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3307
2292	1	3308	1
2293	}	3309	}
2294		3310
		3311	cf::global->attach (on_resource_update => sub {
		3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3314
		3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3316	my $sound = $soundconf->{compat}[$_]
		3317	or next;
		3318
		3319	my $face = cf::face::find "sound/$sound->[1]";
		3320	cf::sound::set $sound->[0] => $face;
		3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3322	}
		3323
		3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3325	my $face = cf::face::find "sound/$v";
		3326	cf::sound::set $k => $face;
		3327	}
		3328	}
		3329	});
		3330
		3331	register_exticmd fx_want => sub {
		3332	my ($ns, $want) = @_;
		3333
		3334	while (my ($k, $v) = each %$want) {
		3335	$ns->fx_want ($k, $v);
		3336	}
		3337	};
		3338
		3339	sub load_resource_file($) {
		3340	my $guard = lock_acquire "load_resource_file";
		3341
		3342	my $status = load_resource_file_ $_[0];
		3343	get_slot 0.1, 100;
		3344	cf::arch::commit_load;
		3345
		3346	$status
		3347	}
		3348
		3349	sub reload_regions {
		3350	# HACK to clear player env face cache, we need some signal framework
		3351	# for this (global event?)
		3352	%ext::player_env::MUSIC_FACE_CACHE = ();
		3353
		3354	load_resource_file "$MAPDIR/regions"
		3355	or die "unable to load regions file\n";
		3356
		3357	for (cf::region::list) {
		3358	$_->{match} = qr/$_->{match}/
		3359	if exists $_->{match};
		3360	}
		3361	}
		3362
		3363	sub reload_facedata {
		3364	load_facedata "$DATADIR/facedata"
		3365	or die "unable to load facedata\n";
		3366	}
		3367
		3368	sub reload_archetypes {
		3369	load_resource_file "$DATADIR/archetypes"
		3370	or die "unable to load archetypes\n";
		3371	}
		3372
		3373	sub reload_treasures {
		3374	load_resource_file "$DATADIR/treasures"
		3375	or die "unable to load treasurelists\n";
		3376	}
		3377
2295	sub reload_resources {	3378	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3379	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3380
2298	load_faces	3381	reload_facedata;
2299	or die "unable to load faces\n";#d#	3382	reload_archetypes;
		3383	reload_regions;
		3384	reload_treasures;
		3385
		3386	warn "finished reloading resource files\n";
2300	}	3387	}
2301		3388
2302	sub init {	3389	sub init {
		3390	my $guard = freeze_mainloop;
		3391
2303	reload_resources;	3392	reload_resources;
2304	}	3393	}
2305		3394
2306	sub cfg_load {	3395	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3397	or return;
2309		3398
2310	local $/;	3399	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::Load <$fh>;
2312		3401
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3403
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$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};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2327	sub main {	3416	sub main {
2328	# we must not ever block the main coroutine	3417	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3418	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3420	(async {
2332	Event::one_event;	3421	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3422	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3423	})->prio (Coro::PRIO_MAX);
2334	};	3424	};
2335		3425
2336	cfg_load;	3426	{
		3427	my $guard = freeze_mainloop;
		3428	reload_config;
2337	db_init;	3429	db_init;
2338	load_extensions;	3430	load_extensions;
2339		3431
2340	$TICK_WATCHER->start;	3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433	evthread_start IO::AIO::poll_fileno;
		3434	}
		3435
2341	Event::loop;	3436	EV::loop;
2342	}	3437	}
2343		3438
2344	#############################################################################	3439	#############################################################################
2345	# initialisation and cleanup	3440	# initialisation and cleanup
2346		3441
2347	# install some emergency cleanup handlers	3442	# install some emergency cleanup handlers
2348	BEGIN {	3443	BEGIN {
		3444	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3445	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3446	$SIGWATCHER{$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";	3447	cf::cleanup "SIG$signal";
2357	},
2358	);	3448	};
		3449	}
		3450	}
		3451
		3452	sub write_runtime_sync {
		3453	my $runtime = "$LOCALDIR/runtime";
		3454
		3455	# first touch the runtime file to show we are still running:
		3456	# the fsync below can take a very very long time.
		3457
		3458	IO::AIO::aio_utime $runtime, undef, undef;
		3459
		3460	my $guard = cf::lock_acquire "write_runtime";
		3461
		3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3463	or return;
		3464
		3465	my $value = $cf::RUNTIME + 90 + 10;
		3466	# 10 is the runtime save interval, for a monotonic clock
		3467	# 60 allows for the watchdog to kill the server.
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	# touch it again to show we are up-to-date
		3477	aio_utime $fh, undef, undef;
		3478
		3479	close $fh
		3480	or return;
		3481
		3482	aio_rename "$runtime~", $runtime
		3483	and return;
		3484
		3485	warn "runtime file written.\n";
		3486
2359	}	3487	1
		3488	}
		3489
		3490	our $uuid_lock;
		3491	our $uuid_skip;
		3492
		3493	sub write_uuid_sync($) {
		3494	$uuid_skip ||= $_[0];
		3495
		3496	return if $uuid_lock;
		3497	local $uuid_lock = 1;
		3498
		3499	my $uuid = "$LOCALDIR/uuid";
		3500
		3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3502	or return;
		3503
		3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3505	$uuid_skip = 0;
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	close $fh
		3515	or return;
		3516
		3517	aio_rename "$uuid~", $uuid
		3518	and return;
		3519
		3520	warn "uuid file written ($value).\n";
		3521
		3522	1
		3523
		3524	}
		3525
		3526	sub write_uuid($$) {
		3527	my ($skip, $sync) = @_;
		3528
		3529	$sync ? write_uuid_sync $skip
		3530	: async { write_uuid_sync $skip };
2360	}	3531	}
2361		3532
2362	sub emergency_save() {	3533	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3534	my $freeze_guard = cf::freeze_mainloop;
2364		3535
…		…
2370	# and maps saved/destroyed asynchronously.	3541	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3542	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3543	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3544	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3545	$pl->valid or next;
		3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3547	$pl->save;
2376	}	3548	}
2377	warn "end emergency player save\n";	3549	warn "end emergency player save\n";
2378		3550
2379	warn "begin emergency map save\n";	3551	warn "begin emergency map save\n";
…		…
2385	warn "end emergency map save\n";	3557	warn "end emergency map save\n";
2386		3558
2387	warn "begin emergency database checkpoint\n";	3559	warn "begin emergency database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3560	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3561	warn "end emergency database checkpoint\n";
		3562
		3563	warn "begin write uuid\n";
		3564	write_uuid_sync 1;
		3565	warn "end write uuid\n";
2390	};	3566	};
2391		3567
2392	warn "leave emergency perl save\n";	3568	warn "leave emergency perl save\n";
2393	}	3569	}
2394		3570
…		…
2397		3573
2398	warn Carp::longmess "post_cleanup backtrace"	3574	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3575	if $make_core;
2400	}	3576	}
2401		3577
2402	sub reload() {	3578	sub do_reload_perl() {
2403	# can/must only be called in main	3579	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3580	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3581	warn "can only reload from main coroutine";
2406	return;	3582	return;
2407	}	3583	}
…		…
2409	warn "reloading...";	3585	warn "reloading...";
2410		3586
2411	warn "entering sync_job";	3587	warn "entering sync_job";
2412		3588
2413	cf::sync_job {	3589	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3590	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3591	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
2417		3593
2418	warn "syncing database to disk";	3594	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3595	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3596
2421	# if anything goes wrong in here, we should simply crash as we already saved	3597	# if anything goes wrong in here, we should simply crash as we already saved
2422
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427		3598
2428	warn "flushing outstanding aio requests";	3599	warn "flushing outstanding aio requests";
2429	for (;;) {	3600	for (;;) {
2430	BDB::flush;	3601	BDB::flush;
2431	IO::AIO::flush;	3602	IO::AIO::flush;
2432	Coro::cede;	3603	Coro::cede_notself;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3604	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";	3605	warn "iterate...";
2435	}	3606	}
2436		3607
2437	++$RELOAD;	3608	++$RELOAD;
…		…
2441	%EXT_CORO = ();	3612	%EXT_CORO = ();
2442		3613
2443	warn "removing commands";	3614	warn "removing commands";
2444	%COMMAND = ();	3615	%COMMAND = ();
2445		3616
2446	warn "removing ext commands";	3617	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3618	%EXTCMD = ();
		3619	%EXTICMD = ();
2448		3620
2449	warn "unloading/nuking all extensions";	3621	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3622	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3623	warn "... unloading $pkg";
2452		3624
…		…
2482	Symbol::delete_package "safe::$_"	3654	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3656
2485	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2487		3660
2488	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3662	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3663	#Symbol::delete_package __PACKAGE__;
2491		3664
…		…
2494	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2495	require cf;	3668	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3670
2498	warn "loading config and database again";	3671	warn "loading config and database again";
2499	cf::cfg_load;	3672	cf::reload_config;
2500		3673
2501	warn "loading extensions";	3674	warn "loading extensions";
2502	cf::load_extensions;	3675	cf::load_extensions;
2503		3676
2504	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3681	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3682	reattach $_ for values %PLAYER;
2510		3683
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3684	warn "leaving sync_job";
2515		3685
2516	1	3686	1
2517	} or do {	3687	} or do {
2518	warn $@;	3688	warn $@;
2519	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
2520	exit 1;
2521	};	3690	};
2522		3691
2523	warn "reloaded";	3692	warn "reloaded";
2524	};	3693	};
2525		3694
2526	our $RELOAD_WATCHER; # used only during reload	3695	our $RELOAD_WATCHER; # used only during reload
2527		3696
		3697	sub reload_perl() {
		3698	# doing reload synchronously and two reloads happen back-to-back,
		3699	# coro crashes during coro_state_free->destroy here.
		3700
		3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3702	do_reload_perl;
		3703	undef $RELOAD_WATCHER;
		3704	};
		3705	}
		3706
2528	register_command "reload" => sub {	3707	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3708	my ($who, $arg) = @_;
2530		3709
2531	if ($who->flag (FLAG_WIZ)) {	3710	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3711	$who->message ("reloading server.");
2533		3712	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3713	$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;	3714	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3715	};
2546	}	3716	}
2547	};	3717	};
2548		3718
2549	unshift @INC, $LIBDIR;	3719	unshift @INC, $LIBDIR;
2550		3720
2551	my $bug_warning = 0;	3721	my $bug_warning = 0;
2552		3722
2553	$TICK_WATCHER = Event->timer (	3723	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3724	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3725
2556	prio => 0,	3726	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3727	return if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3728
2559	cb => sub {	3729	my $signal = new Coro::Signal;
		3730	push @WAIT_FOR_TICK, $signal;
		3731	$signal->wait;
		3732	}
		3733
		3734	sub wait_for_tick_begin {
		3735	return if tick_inhibit || $Coro::current == $Coro::main;
		3736
		3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK_BEGIN, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub tick {
2560	if ($Coro::current != $Coro::main) {	3743	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3745	unless ++$bug_warning > 10;
2563	return;	3746	return;
2564	}	3747	}
2565		3748
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3749	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3750
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3753	Coro::async_pool {
		3754	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3755	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	3756	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3757	};
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	},	3758	}
2592	);	3759
		3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3761	$sig->send;
		3762	}
		3763	while (my $sig = shift @WAIT_FOR_TICK) {
		3764	$sig->send;
		3765	}
		3766
		3767	$LOAD = ($NOW - $TICK_START) / $TICK;
		3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3769
		3770	if (0) {
		3771	if ($NEXT_TICK) {
		3772	my $jitter = $TICK_START - $NEXT_TICK;
		3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3774	warn "jitter $JITTER\n";#d#
		3775	}
		3776	}
		3777	}
2593		3778
2594	{	3779	{
2595	BDB::max_poll_time $TICK * 0.1;	3780	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3781
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;	3782	BDB::min_parallel 8;
2605		3783	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3784	$Coro::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		3785
2621	unless ($DB_ENV) {	3786	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3787	$DB_ENV = BDB::db_env_create;
		3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3789	| BDB::LOG_AUTOREMOVE, 1);
		3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3792
2624	cf::sync_job {	3793	cf::sync_job {
2625	eval {	3794	eval {
2626	BDB::db_env_open	3795	BDB::db_env_open
2627	$DB_ENV,	3796	$DB_ENV,
2628	$BDB_ENV_DIR,	3797	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3798	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3799	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3800	0666;
2632		3801
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3802	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	};	3803	};
2638		3804
2639	cf::cleanup "db_env_open(db): $@" if $@;	3805	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3806	};
2641	}	3807	}
		3808
		3809	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3810	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3811	};
		3812	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3814	};
		3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3817	};
2642	}	3818	}
2643		3819
2644	{	3820	{
		3821	# configure IO::AIO
		3822
2645	IO::AIO::min_parallel 8;	3823	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3824	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3825	$Coro::AIO::WATCHER->priority (1);
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	}	3826	}
		3827
		3828	my $_log_backtrace;
		3829
		3830	sub _log_backtrace {
		3831	my ($msg, @addr) = @_;
		3832
		3833	$msg =~ s/\n//;
		3834
		3835	# limit the # of concurrent backtraces
		3836	if ($_log_backtrace < 2) {
		3837	++$_log_backtrace;
		3838	async {
		3839	$Coro::current->{desc} = "abt $msg";
		3840
		3841	my @bt = fork_call {
		3842	@addr = map { sprintf "%x", $_ } @addr;
		3843	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3844	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3845	or die "addr2line: $!";
		3846
		3847	my @funcs;
		3848	my @res = <$fh>;
		3849	chomp for @res;
		3850	while (@res) {
		3851	my ($func, $line) = splice @res, 0, 2, ();
		3852	push @funcs, "[$func] $line";
		3853	}
		3854
		3855	@funcs
		3856	};
		3857
		3858	LOG llevInfo, "[ABT] $msg\n";
		3859	LOG llevInfo, "[ABT] $_\n" for @bt;
		3860	--$_log_backtrace;
		3861	};
		3862	} else {
		3863	LOG llevInfo, "[ABT] $msg\n";
		3864	LOG llevInfo, "[ABT] [suppressed]\n";
		3865	}
		3866	}
		3867
		3868	# load additional modules
		3869	use cf::pod;
2658		3870
2659	END { cf::emergency_save }	3871	END { cf::emergency_save }
2660		3872
2661	1	3873	1
2662		3874

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines